CN101217214B - A stereo wide frequency aerial and corresponding wireless communication device - Google Patents
A stereo wide frequency aerial and corresponding wireless communication device Download PDFInfo
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- CN101217214B CN101217214B CN2007100018166A CN200710001816A CN101217214B CN 101217214 B CN101217214 B CN 101217214B CN 2007100018166 A CN2007100018166 A CN 2007100018166A CN 200710001816 A CN200710001816 A CN 200710001816A CN 101217214 B CN101217214 B CN 101217214B
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Abstract
A broadband antenna comprises a base plate, a radiator, a signal feed-in component and a ground component. The radiator comprises a first sub-radiator and a second sub-radiator. The first sub-radiator and the second sub-radiator respectively comprise a first end and a second end. The signal feed-in component is connected between the base plate and the first end of the first sub-radiator. The ground component is connected between the base plate and the first end of the second sub-radiator; wherein, the first sub-radiator and the second sub-radiator are arranged on the base plate with representing a shape of reversed V.
Description
Technical field
The present invention relates to a kind of three-dimensional wide frequency antenna and corresponding wireless communication device thereof, particularly relate to and a kind ofly be arranged at three-dimensional wide frequency antenna and corresponding wireless communication device thereof on the substrate with an inverted V-shaped sheet metal.
Background technology
Along with the flourish of wireless telecommunications and trend that mobile communication product is microminiaturized, the ornaments position and the space of antenna are compressed, and relatively cause the difficulty in the design, the miniature antenna that some are embedded thereby be suggested.Generally speaking, more general at present employed miniature antenna has antenna component (ChipAntenna) and planar antenna (Planar Antenna) etc., and this type antenna all has the little characteristics of volume.The planar antenna design also has many, for example microstrip antenna (microstrip antenna), printing type aerial (printed antenna) and planar inverted F-shape antenna (Planar Inverted F Antenna, PIFA) etc., these antenna widely is applied to wireless terminal devices such as GSM, DCS, UMTS, WLAN and bluetooth, for example mobile phone, WLAN or the like.
Along with the speed lifting of wireless telecommunication system transfer of data, multiband or wide frequency antenna have become the basic demand of communication system.How to dwindle antenna size, promote antenna performance and save cost of manufacture, promptly become the important problem in this field.The cost of existing wide frequency antenna can't effectively reduce, and the radiation field shape and the operation frequency range of wide frequency antenna are wayward, thereby limits its range of application.
Summary of the invention
The present invention discloses a kind of three-dimensional wide frequency antenna.This wide frequency antenna comprises a substrate, a radiant body, a signal feed-in assembly and a grounding assembly.Comprise a signal load point and an earth point on this substrate.This radiant body comprises one first sub-radiant body and one second sub-radiant body.This first sub-radiant body comprises one first end and one second end.This second sub-radiant body comprises one first end and one second end, and second end of this second sub-radiant body is second end that is connected in this first sub-radiant body.This signal feed-in assembly is connected between first end of this signal load point and this first sub-radiant body.This grounding assembly is connected between first end of this earth point and this second sub-radiant body.Wherein, this first sub-radiant body and this second sub-radiant body present an inverted V-shaped and are arranged on this substrate.This first sub-radiant body is roughly a gradually wide formula plane, and the width of first end of this first sub-radiant body is less than the width of second end of this first sub-radiant body.This second sub-radiant body is roughly a gradually wide formula plane, and the width of first end of this second sub-radiant body is less than the width of second end of this second sub-radiant body.Wherein, this first sub-radiant body and this second sub-radiant body are along the bending of the diagonal of a diamond-type metal sheet and form.
The present invention discloses a kind of wireless communication apparatus that uses three-dimensional wide frequency antenna.This wireless communication apparatus comprises a circuit system and a plurality of wide frequency antenna.These a plurality of wide frequency antennas are connected in this circuit system.Wherein each wide frequency antenna comprises a substrate, a radiant body, a signal feed-in assembly and a grounding assembly.Comprise a signal load point and an earth point on this substrate.This radiant body comprises one first sub-radiant body and one second sub-radiant body.This first sub-radiant body comprises one first end and one second end.This second sub-radiant body comprises one first end and one second end, and second end of this second sub-radiant body is connected in second end of this first sub-radiant body.This signal feed-in assembly is connected between first end of this signal load point and this first sub-radiant body.This grounding assembly is connected between first end of this earth point and this second sub-radiant body.Wherein, this first sub-radiant body and this second sub-radiant body present an inverted V-shaped and are arranged on this substrate.This first sub-radiant body is roughly a gradually wide formula plane, and the width of first end of this first sub-radiant body is less than the width of second end of this first sub-radiant body.This second sub-radiant body is roughly a gradually wide formula plane, and the width of first end of this second sub-radiant body is less than the width of second end of the second sub-radiant body.Wherein, this first sub-radiant body and this second sub-radiant body bend and form along the diagonal of a diamond-type metal sheet.Wherein this wireless communication apparatus is a wireless network memory access.The quantity of this wide frequency antenna is three.The arrangement mode of this three wide frequency antenna in this wireless communication apparatus is to constitute a triangle for the line of the central point of this three wide frequency antenna.The arrangement mode of this three wide frequency antenna in this wireless communication apparatus is to constitute a straight line for the line of the central point of this three wide frequency antenna.
Description of drawings
Fig. 1 is the schematic diagram of the three-dimensional wide frequency antenna of one embodiment of the invention.
Fig. 2 is the schematic diagram of radiant body of the wide frequency antenna of Fig. 1.
Fig. 3 is the schematic diagram of voltage standing wave ratio of the wide frequency antenna of Fig. 1.
Fig. 4 is the schematic diagram of voltage standing wave ratio of the wide frequency antenna of Fig. 1.
Fig. 5 is the schematic diagram of the three-dimensional wide frequency antenna of another embodiment of the present invention.
Fig. 6 is the schematic diagram of voltage standing wave ratio of the wide frequency antenna of Fig. 5.
Fig. 7 is the schematic diagram of the three-dimensional wide frequency antenna of another embodiment of the present invention.
Fig. 8 is the schematic diagram of voltage standing wave ratio of the wide frequency antenna of Fig. 7.
Fig. 9 is the schematic diagram of the three-dimensional wide frequency antenna of another embodiment of the present invention.
Figure 10 is the schematic diagram of voltage standing wave ratio of the wide frequency antenna of Fig. 9.
Figure 11 is the schematic diagram of the three-dimensional wide frequency antenna of another embodiment of the present invention.
Figure 12 is the schematic diagram of voltage standing wave ratio of the wide frequency antenna of Figure 11.
Figure 13 is the schematic diagram of the three-dimensional wide frequency antenna of another embodiment of the present invention.
Figure 14 is the schematic diagram of voltage standing wave ratio of the wide frequency antenna of Figure 13.
Figure 15 is the schematic diagram of the three-dimensional wide frequency antenna of another embodiment of the present invention.
Figure 16 is the schematic diagram of voltage standing wave ratio of the wide frequency antenna of Figure 15.
Figure 17 is a radiation pattern figure of the wide frequency antenna of Fig. 1.
Figure 18 is for indicating maximum and the position of minimum value and the schematic diagram of numerical value among Figure 17.
Figure 19 is a radiation pattern figure of the wide frequency antenna of Fig. 1.
Figure 20 is for indicating maximum and the position of minimum value and the schematic diagram of numerical value among Figure 19.
Figure 21 uses the schematic diagram of the wireless communication apparatus of three-dimensional wide frequency antenna for the present invention one.
Figure 22 is a radiation pattern figure of first wide frequency antenna of Figure 21.
Figure 23 is a radiation pattern figure of first wide frequency antenna of Figure 21.
Figure 24 uses the schematic diagram of the wireless communication apparatus of three-dimensional wide frequency antenna for the present invention one.
Figure 25 is a radiation pattern figure of first wide frequency antenna of Figure 24.
Figure 26 is a radiation pattern figure of first wide frequency antenna of Figure 24.
The reference numeral explanation
10,20,30,40,50,60,70 wide frequency antennas
12 substrates
122 signal load points
124 earth points
14,24,34,44,54,64,74 radiant bodies
15,25,35,45,55,65,75 first sub-radiant bodies
16,26,36,46,56,66,76 second sub-radiant bodies
152,162,252,352,452,562 first ends
154,164,254,354,454,564 second ends
17 signal feed-in assemblies
18 grounding assemblies
19 signal line
Θ
1First angle
h
1First height
Φ
1First interior angle
Φ
2Second interior angle
148,149 diagonal
L
1First length
h
2Second height
X, Y, Z reference axis
210,240 wireless communication apparatus
212,242 first wide frequency antennas
212,243214,244 second wide frequency antennas
216,246 the 3rd wide frequency antennas
A1, B1 part
Embodiment
Please refer to Fig. 1.Fig. 1 is the schematic diagram of the three-dimensional wide frequency antenna of one embodiment of the invention 10.Wide frequency antenna 10 comprises a substrate 12, a radiant body 14, a signal feed-in assembly 17 and a grounding assembly 18.Comprise a signal load point 122 and an earth point 124 on the substrate 12.Radiant body 14 comprises one first sub-radiant body 15 and one second sub-radiant body 16.The first sub-radiant body 15 comprises one first end 152 and one second end 154.Second end 164 that the second sub-radiant body 16 comprises one first end 162 and one second end, 164, the second sub-radiant bodies 16 is connected in second end 154 of the first sub-radiant body 15.Signal feed-in assembly 17 is connected between first end 152 of the signal load point 122 and the first sub-radiant body 15.Grounding assembly 18 is connected between first end 162 of the earth point 124 and the second sub-radiant body 16.Signal feed-in assembly 17 is connected to a signal line 19 in order to receive an input signal.Preferably, the first sub-radiant body 15 and the second sub-radiant body 16 are to be made with same sheet metal.In the present embodiment, the first sub-radiant body 15 and the second sub-radiant body 16 are along the bending of the diagonal of a diamond-type metal sheet and form, and make win sub-radiant body 15 and the second sub-radiant body 16 present an inverted V-shaped and are arranged on the substrate 12.First end 152 of the first sub-radiant body 15 is one first angle Θ with the angle of substrate 12
1, second end 154 of the first sub-radiant body 15 is one first height h with the distance of substrate 12
1The present invention can be by changing the first angle Θ
1Reach the first height h
1Adjust the operation frequency range and the radiation field shape of wide frequency antenna 10, will in after described in detail.Wherein, substrate 12 is made of dielectric material, and be electrically connected to one systematically the end, preferably, substrate 12 is a sheet metal.Wide frequency antenna 10 is located in the wireless communication apparatus, as a wireless network memory access (Wireless Access Point, WAP).
Please refer to Fig. 2 and Fig. 1.Fig. 2 is the schematic diagram of the radiant body 14 among Fig. 1.Radiant body 14 is a diamond-type metal sheet, and the first sub-radiant body 15 and the second sub-radiant body 16 bend and form along the diagonal 148 of diamond-type metal sheet.Therefore, the first sub-radiant body 15 and the second sub-radiant body 16 are roughly gradually wide formula (Tapered Width) plane, the width of first end 152 of the first sub-radiant body 15 is less than the width of second end 154 of the first sub-radiant body 15, and the width of first end 162 of the second sub-radiant body 16 is less than the width of second end 164 of the second sub-radiant body 16.The length of side of diamond-type metal sheet is one first length L
1, one first interior angle Φ
1Be that dual-side by the first sub-radiant body 15 is formed one second interior angle Φ
2Formed by a side of the first sub-radiant body 15 and a side of the second sub-radiant body 16.In present embodiment, the first interior angle Φ
1Less than 90 degree and the second interior angle Φ
2Greater than 90 degree.First length L
1Be approximately a resonance mode that wide frequency antenna 10 produced the signal wavelength 1/4th.
Please refer to Fig. 3 and Fig. 1.Fig. 3 is the schematic diagram of voltage standing wave ratio of the wide frequency antenna 10 of Fig. 1.Transverse axis is represented frequency (GHz), and between 2GHz to 6GHz, the longitudinal axis is represented voltage standing wave ratio VSWR.Fig. 3 is for working as the first angle Θ
1Between 10 the degree to 30 the degree between (10 °＜Θ
1＜30 °) time, the schematic diagram of the voltage standing wave ratio of wide frequency antenna 10.Voltage standing wave ratio VSWR approximately less than 2 situation under, this moment wide frequency antenna 10 frequency range be about 2GHz.
Please refer to Fig. 4 and Fig. 1.Fig. 4 is the schematic diagram of voltage standing wave ratio of the wide frequency antenna 10 of Fig. 1.Transverse axis represents it is frequency (GHz), and between 2GHz to 6GHz, the longitudinal axis is represented voltage standing wave ratio VSWR.Fig. 4 is for working as the first angle Θ
1Greater than 35 degree (Θ
135 °) time, the schematic diagram of the voltage standing wave ratio of wide frequency antenna 10.Voltage standing wave ratio VSWR approximately less than 2 situation under, this moment wide frequency antenna 10 frequency range be about 4GHz, good than the VSWR of Fig. 3.
Wide frequency antenna 10 shown in Figure 1 is embodiments of the invention, and those skilled in the art can do suitable variation according to this, for example, forms a plurality of bendings respectively on the first sub-radiant body 15 and the second sub-radiant body 16.Please refer to Fig. 5 and Fig. 6.Fig. 5 is the schematic diagram of the three-dimensional wide frequency antenna of the embodiment of the invention 20, and Fig. 6 is the schematic diagram of voltage standing wave ratio of the wide frequency antenna 20 of Fig. 5.The framework of wide frequency antenna 20 and the wide frequency antenna of Fig. 1 10 are similar, are the distortion of wide frequency antenna 10.It should be noted that one first sub-radiant body 25 and one second sub-radiant body 26 that both differences are that a radiant body 24 of wide frequency antenna 20 is comprised respectively are formed with several bendings.If one first end 252 of the first sub-radiant body 25 still is the first angle Θ with the angle of substrate 12
1, because the first sub-radiant body 25 and the second sub-radiant body 26 respectively comprise a plurality of bendings, the distance of second end 254 of the first sub-radiant body 25 and substrate 12 (one second h highly then
2) can be less than the height of first among Fig. 1 h
1In Fig. 6, transverse axis is represented frequency (GHz), and between 2GHz to 6GHz, the longitudinal axis is represented voltage standing wave ratio VSWR.Wide frequency antenna 20 is the distortion of wide frequency antenna 10, and the distance of second end 254 of the first sub-radiant body 25 and substrate 12 is less than the height of first among Fig. 1 h
1, therefore, voltage standing wave ratio shown in Figure 6 is different from Fig. 3 and voltage standing wave ratio shown in Figure 4, can be applicable to different system requirements.
Certainly, the bending on the first sub-radiant body 25 and the second sub-radiant body 26 is not limited to specific quantity or shape.
Please refer to Fig. 7 and Fig. 8.Fig. 7 is the schematic diagram of the three-dimensional wide frequency antenna of another embodiment of the present invention 30, and Fig. 8 is the schematic diagram of voltage standing wave ratio of the wide frequency antenna 30 of Fig. 7.The framework of wide frequency antenna 30 and the wide frequency antenna of Fig. 1 10 are similar, are the distortion of wide frequency antenna 10.It should be noted that one first sub-radiant body 35 and one second sub-radiant body 36 that both differences are that a radiant body 34 of wide frequency antenna 30 is comprised respectively form a bending, its bending number differs from the bending number of wide frequency antenna 20.Suppose that one first end 352 of the first sub-radiant body 35 and the angle of substrate 12 still are the first angle Θ
1, because the first sub-radiant body 35 and the second sub-radiant body 36 respectively form a bending, then second end 354 of the first sub-radiant body 35 can be less than the height of first among Fig. 1 h with the distance of substrate 12
1In Fig. 8, that transverse axis is represented is frequency (GHz), and between 2GHz to 6GHz, that the longitudinal axis is represented is voltage standing wave ratio VSWR.Wide frequency antenna 30 is the distortion of wide frequency antenna 10, and the distance of second end 354 of the first sub-radiant body 35 and substrate 12 is less than the height of first among Fig. 1 h
1, therefore, voltage standing wave ratio shown in Figure 8 is different from Fig. 3 and voltage standing wave ratio shown in Figure 4, can be applicable to different system requirements.And because the bending number that wide frequency antenna 30 is comprised is different from the bending number that wide frequency antenna 20 is comprised, voltage standing wave ratio shown in Figure 8 also is different from voltage standing wave ratio shown in Figure 6.
Please refer to Fig. 9 and Figure 10.Fig. 9 is the schematic diagram of the three-dimensional wide frequency antenna of another embodiment of the present invention 40.The framework of wide frequency antenna 40 and the wide frequency antenna of Fig. 1 10 are similar, are the distortion of wide frequency antenna 10.It should be noted that, both differences are that one first sub-radiant body 45 and one second sub-radiant body 46 that a radiant body 44 of wide frequency antenna 40 is comprised respectively form several bendings, and its bending number and bending shape differ from the bending number and the bending shape of wide frequency antenna 20 and 30.Suppose that one first end 452 of the first sub-radiant body 45 and the angle of substrate 12 still are the first angle Θ
1, because the first sub-radiant body 45 and the second sub-radiant body 46 respectively form several bendings, then second end 454 of the first sub-radiant body 45 can be less than the height of first among Fig. 1 h with the distance of substrate 12
1In Figure 10, that transverse axis is represented is frequency (GHz), and between 2GHz to 6GHz, that the longitudinal axis is represented is voltage standing wave ratio VSWR.Wide frequency antenna 40 is the distortion of wide frequency antenna 10, and therefore, voltage standing wave ratio shown in Figure 10 is different from Fig. 3 and voltage standing wave ratio shown in Figure 4, can be applicable to different system requirements.And because the bending number of wide frequency antenna 40 and bending number and the bending shape that bending shape is different from wide frequency antenna 20 and 30, voltage standing wave ratio shown in Figure 10 also is different from Fig. 6 and voltage standing wave ratio shown in Figure 8.
Please refer to Figure 11.Figure 11 is the schematic diagram of the three-dimensional wide frequency antenna of another embodiment of the present invention 50.One radiant body 54 of wide frequency antenna 50 comprises one first sub-radiant body 55 and one second sub-radiant body 56, be with wide frequency antenna 10 differences of Fig. 1, one second sub-radiant body 56 of wide frequency antenna 50 is roughly a rectangle, and the width of one first end 562 and the width of one second end 564 do not limit.Certainly, present embodiment only is used as example explanation of the present invention, and the shape of the second sub-radiant body 56 is not limited to rectangle, also can be other shape.
Please refer to Figure 12 and Figure 11.Figure 12 is the schematic diagram of voltage standing wave ratio of the wide frequency antenna 50 of Figure 11.That transverse axis is represented is frequency (GHz), and between 2GHz to 6GHz, that the longitudinal axis is represented is voltage standing wave ratio VSWR.Wide frequency antenna 50 is the distortion of wide frequency antenna 10, and therefore, voltage standing wave ratio shown in Figure 12 is different from Fig. 3 and voltage standing wave ratio shown in Figure 4, can be applicable to different system requirements.
Please refer to Figure 13.Figure 13 is the schematic diagram of the three-dimensional wide frequency antenna of another embodiment of the present invention 60.One radiant body 64 of wide frequency antenna 60 comprises one first sub-radiant body 65 and one second sub-radiant body 66, be with wide frequency antenna 10 differences of Fig. 1, one second sub-radiant body 66 of wide frequency antenna 60 be one the conduction patch, with one first sub-radiant body 65 be not to be made by same sheet metal.Certainly, present embodiment only is used as example explanation of the present invention, and shape, the material of the second sub-radiant body 66 are not limited thereto, and also can use other shape, material.
Please refer to Figure 14 and Figure 13.Figure 14 is the schematic diagram of voltage standing wave ratio of the wide frequency antenna 60 of Figure 13.That transverse axis is represented is frequency (GHz), and between 2GHz to 6GHz, that the longitudinal axis is represented is voltage standing wave ratio VSWR.Wide frequency antenna 60 is the distortion of wide frequency antenna 10, and therefore, voltage standing wave ratio shown in Figure 14 is different from Fig. 3 and voltage standing wave ratio shown in Figure 4, can be applicable to different system requirements.
Please refer to Figure 15, Fig. 1 and Fig. 2.Figure 15 is the schematic diagram of the three-dimensional wide frequency antenna of another embodiment of the present invention 70.One radiant body 74 of wide frequency antenna 70 comprises one first sub-radiant body 75 and one second sub-radiant body 76, be with wide frequency antenna 10 differences of Fig. 1, the first sub-radiant body 75 of wide frequency antenna 70 and the second sub-radiant body 76 are to form along another diagonal 149 bendings of this diamond-type metal sheet, at this moment, the first interior angle Φ
1Greater than 90 degree and the second interior angle Φ
2Less than 90 degree.Certainly, present embodiment only is used as example explanation of the present invention, the first interior angle Φ
1With the second interior angle Φ
2Angle be not limited to fixed numeric values.
Please refer to Figure 16 and Figure 15.Figure 16 is the schematic diagram of voltage standing wave ratio of the wide frequency antenna 70 of Figure 15.That transverse axis is represented is frequency (GHz), and between 2GHz to 6GHz, that the longitudinal axis is represented is voltage standing wave ratio VSWR.Wide frequency antenna 70 is the distortion of wide frequency antenna 10, and therefore, voltage standing wave ratio shown in Figure 16 is different from Fig. 3 and voltage standing wave ratio shown in Figure 4, can be applicable to different system requirements.
Please refer to Figure 17 and Figure 18.Figure 17 is a radiation pattern figure of the wide frequency antenna 10 of Fig. 1.Figure 17 is the measurement of wide frequency antenna 10 in the XZ plane, and its operation frequency range is 2GHz.Figure 18 is for indicating maximum and the position of minimum value and the schematic diagram of numerical value among Figure 17.As Figure 17 and shown in Figure 180, peaked position is approximately dropped near (45 °), and its numerical value is approximately 3.92dB～4.31dB.The position of minimum value is approximately dropped near (175 °), and its numerical value is approximately (17dB).By measurement as can be known, (+60 °～-60 °) have the field pattern of higher radiation efficiency to wide frequency antenna 10 on the XZ plane, can satisfy the operational requirements of WLAN system.
Please refer to Figure 19 and Figure 20.Figure 19 is a radiation pattern figure of the wide frequency antenna 10 of Fig. 1.Figure 19 is the measurement of wide frequency antenna 10 in the XZ plane, and its operation frequency range is 5GHz.Figure 20 is for indicating maximum and the position of minimum value and the schematic diagram of numerical value among Figure 19.As Figure 19 and shown in Figure 20, peaked position is approximately dropped near (45 °) and (3 °), and its numerical value is approximately 4.45dB～5.64dB.The position of minimum value is approximately dropped near (150 °～-180 °) and (132 °～177 °), and its numerical value is approximately (20dB).By measurement as can be known, (+60 °～-60 °) have the field pattern of higher radiation efficiency to wide frequency antenna 10 on the XZ plane, can satisfy the operational requirements of WLAN system.
By the above embodiments as can be known, the present invention can be by changing the first angle Θ
1Reach the first height h
1Adjust the operation frequency range and the radiation field shape of wide frequency antenna 10.In addition, wide frequency antenna 10 can comprise different distortion, as increasing bending, the shape that changes the second sub-radiant body 16 or material etc., to change the operation frequency range and the radiation field shape of wide frequency antenna 10.
Please refer to Figure 21.Figure 21 uses the schematic diagram of the wireless communication apparatus 210 of three-dimensional wide frequency antenna for the present invention one.Wireless communication apparatus 210 comprises a circuit system (not indicating), one first wide frequency antenna 212, one second wide frequency antenna 214 and one the 3rd wide frequency antenna 216.First wide frequency antenna 212, second wide frequency antenna 214 and wideband triantennary 216 are connected in this circuit system, and each wide frequency antenna is one of above-mentioned wide frequency antenna 10 or its distortion.Wherein, first wide frequency antenna 212, second wide frequency antenna 214 and the arrangement mode of the 3rd wide frequency antenna 216 in wireless communication apparatus 210 constitute a triangle for the line of the central point of this three wide frequency antenna.Wireless communication apparatus 210 be a wireless network memory access (Wireless Access Point, WAP).
Please refer to Figure 22 and Figure 23.Figure 22 and Figure 23 are respectively a radiation pattern figure of first wide frequency antenna 212 of Figure 21.Wherein, Figure 22 be first wide frequency antenna 212 in the measurement on ZX plane, Figure 23 is that first wide frequency antenna 212 is in the measurement on XY plane.By measurement as can be known, radiation pattern is very big in the covering scope on ZX plane, its major part drops between (75 °～75 °) and (can adjust according to user's demand), and the radiation field shape on XY plane be characterized as a dolly dimple, as being denoted as the part of A1 among the figure.
Please refer to Figure 24.Figure 24 uses the schematic diagram of the wireless communication apparatus 240 of three-dimensional wide frequency antenna for the present invention one.Wireless communication apparatus 240 comprises a circuit system (not indicating), one first wide frequency antenna 242, one second wide frequency antenna 244 and one the 3rd wide frequency antenna 246.First wide frequency antenna 242, second wide frequency antenna 244 and the 3rd wide frequency antenna 246 are connected in this circuit system, and each wide frequency antenna is one of above-mentioned wide frequency antenna 10 or its distortion.It should be noted that, wireless communication apparatus 240 is that with wireless communication apparatus 210 differences first wide frequency antenna 242, second wide frequency antenna 244 and the arrangement mode of wideband triantennary 246 in wireless communication apparatus 240 constitute a straight line for the line of the central point of this three wide frequency antenna.Wireless communication apparatus 240 be a wireless network memory access (WirelessAccess Point, WAP).
Please refer to Figure 25 and Figure 26.Figure 25 and Figure 26 are respectively a radiation pattern figure of first wide frequency antenna 242 of Figure 24.Wherein, Figure 25 be first wide frequency antenna 242 in the measurement on ZX plane, Figure 26 is that first wide frequency antenna 242 is in the measurement on XY plane.By measurement as can be known, radiation pattern is very big in the covering scope on ZX plane, its major part drops between (75 °～75 °) and (can adjust according to user's demand), and the radiation field shape on XY plane be characterized as no dolly dimple, as being denoted as the part of B1 among the figure.By the extrusion effect of second wide frequency antenna 244 and the 3rd wide frequency antenna 246 metal bodies, and the wide frequency antenna 242 of winning is disappeared in the dolly dimple of the radiation field shape on XY plane.
Above-described embodiment only is used for illustrating the present invention, does not limit to category of the present invention.The wide frequency antenna of being mentioned in the literary composition 10 can comprise various deformation, such as wide frequency antenna 20,30 and 40 is the bending numbers that increase by the first sub-radiant body 15 and the second sub-radiant body 16; Wide frequency antenna 50 is the shapes that change the second sub-radiant body 56; Wide frequency antenna 60 is the materials that change the second sub-radiant body 66.Thus, the operation frequency range of wide frequency antenna 10 and radiation field shape also can be along with changes.Yet wide frequency antenna 10-70 only is used as example explanation of the present invention, is not limited thereto.Moreover, can be by changing the first angle Θ
1, first the height h
1Reach the second height h
2Adjust the operation frequency range and the radiation field shape of wide frequency antenna 10.The first angle Θ that is mentioned in the literary composition
1, first the height h
1, second the height h
2, first length L
1, the first interior angle Φ
1With the second interior angle Φ
2Be not limited to fixed numeric values, visual user's demand and adjusting.In addition, wireless communication apparatus 210 is not limited to three with the antenna number that wireless communication apparatus 240 is comprised, and also can be other quantity.
As from the foregoing, the invention provides a kind of three-dimensional wide frequency antenna 10-70 and corresponding wireless communication device 210,240 thereof, utilize a diamond-type metal sheet (with and distortion) present an inverted V-shaped attitude and be arranged on the substrate, and adjust voltage standing wave ratio, operation frequency range and the radiation field shape of wide frequency antenna by parameters such as changing the first angle Θ 1, the first height h1, the second height h2, first length L 1, the first interior angle Φ 1 and the second interior angle Φ 2.By the wide frequency antenna that the present invention uncovered, radiation field shape that not only can control antenna and operation frequency range can also effectively be saved cost of manufacture to meet the application of wireless telecommunication system.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (30)
1. three-dimensional wide frequency antenna includes:
One substrate comprises a signal load point and an earth point on this substrate;
One radiant body is arranged on this substrate, and this radiant body comprises:
One first sub-radiant body, it comprises one first end and one second end; And
One second sub-radiant body, it comprises one first end and one second end, and second end of this second sub-radiant body is connected in second end of this first sub-radiant body;
One signal feed-in assembly is connected between first end of this signal load point and this first sub-radiant body; And
One grounding assembly is connected between first end of this earth point and this second sub-radiant body;
Wherein, this first sub-radiant body and this second sub-radiant body present an inverted V-shaped and are arranged on this substrate.
2. wide frequency antenna as claimed in claim 1, wherein this substrate is made of dielectric material.
3. wide frequency antenna as claimed in claim 1, wherein this substrate be electrically connected on one systematically the end.
4. wide frequency antenna as claimed in claim 1, wherein this first sub-radiant body is roughly a gradually wide formula plane, and the width of first end of this first sub-radiant body is less than the width of second end of this first sub-radiant body.
5. wide frequency antenna as claimed in claim 1, wherein this first sub-radiant body comprises a plurality of bendings.
6. wide frequency antenna as claimed in claim 1, wherein this second sub-radiant body is roughly a gradually wide formula plane, and the width of first end of this second sub-radiant body is less than the width of second end of this second sub-radiant body.
7. wide frequency antenna as claimed in claim 1, wherein this second sub-radiant body is roughly a rectangle.
8. wide frequency antenna as claimed in claim 1, wherein this second sub-radiant body is a conduction patch.
9. wide frequency antenna as claimed in claim 1, wherein this second sub-radiant body comprises a plurality of bendings.
10. wide frequency antenna as claimed in claim 1, wherein this first sub-radiant body and this second sub-radiant body are to be made with same sheet metal.
11. wide frequency antenna as claimed in claim 1, wherein this first sub-radiant body and this second sub-radiant body are along the bending of the diagonal of a diamond-type metal sheet and form.
12. wide frequency antenna as claimed in claim 11, wherein the length of side of this diamond-type metal sheet be approximately a resonance mode that this wide frequency antenna produces the signal wavelength 1/4th.
13. wide frequency antenna as claimed in claim 1, it is located in the wireless communication apparatus.
14. wide frequency antenna as claimed in claim 13, wherein this wireless communication apparatus is a wireless network memory access.
15. a wireless communication apparatus that uses three-dimensional wide frequency antenna includes:
One circuit system; And
A plurality of wide frequency antennas are connected in this circuit system, and wherein this each wide frequency antenna comprises:
One substrate comprises a signal load point and an earth point on this substrate;
One radiant body is arranged on this substrate, and this radiant body comprises:
One first sub-radiant body, it comprises one first end and one second end; And
One second sub-radiant body, it comprises one first end and one second end, and second end of this second sub-radiant body is connected in second end of this first sub-radiant body;
One signal feed-in assembly is connected between first end of this signal load point and this first sub-radiant body; And
One grounding assembly is connected between first end of this earth point and this second sub-radiant body;
Wherein, this first sub-radiant body and this second sub-radiant body present an inverted V-shaped and are arranged on this substrate.
16. wireless communication apparatus as claimed in claim 15, wherein this substrate is made of dielectric material.
17. wireless communication apparatus as claimed in claim 15, wherein this substrate be electrically connected on one systematically the end.
18. wireless communication apparatus as claimed in claim 15, wherein this first sub-radiant body is roughly a gradually wide formula plane, and the width of first end of this first sub-radiant body is less than the width of second end of this first sub-radiant body.
19. wireless communication apparatus as claimed in claim 15, wherein this first sub-radiant body comprises a plurality of bendings.
20. wireless communication apparatus as claimed in claim 15, wherein this second sub-radiant body is roughly a gradually wide formula plane, and the width of first end of this second sub-radiant body is less than the width of second end of this second sub-radiant body.
21. wireless communication apparatus as claimed in claim 15, wherein this second sub-radiant body is roughly a rectangle.
22. wireless communication apparatus as claimed in claim 15, wherein this second sub-radiant body is a conduction patch.
23. wireless communication apparatus as claimed in claim 15, wherein this second sub-radiant body comprises a plurality of bendings.
24. wireless communication apparatus as claimed in claim 15, wherein this first sub-radiant body and this second sub-radiant body are to be made with same sheet metal.
25. wireless communication apparatus as claimed in claim 15, wherein this first sub-radiant body and this second sub-radiant body are along the bending of the diagonal of a diamond-type metal sheet and form.
26. wireless communication apparatus as claimed in claim 25, wherein the length of side of this diamond-type metal sheet be approximately a resonance mode that this wide frequency antenna produces the signal wavelength 1/4th.
27. wireless communication apparatus as claimed in claim 15, wherein this wireless communication apparatus is a wireless network memory access.
28. wireless communication apparatus as claimed in claim 15, wherein the quantity of this wide frequency antenna is three.
29. wireless communication apparatus as claimed in claim 28, it comprises one first wide frequency antenna, one second wide frequency antenna and one the 3rd wide frequency antenna, and this first wide frequency antenna, this second wide frequency antenna and the arrangement mode of the 3rd wide frequency antenna in this wireless communication apparatus constitute a triangle for the line of the central point of this three wide frequency antenna.
30. wireless communication apparatus as claimed in claim 28, it comprises one first wide frequency antenna, one second wide frequency antenna and one the 3rd wide frequency antenna, and this first wide frequency antenna, this second wide frequency antenna and the arrangement mode of the 3rd wide frequency antenna in this wireless communication apparatus constitute a straight line for the line of the central point of this three wide frequency antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100018166A CN101217214B (en) | 2007-01-05 | 2007-01-05 | A stereo wide frequency aerial and corresponding wireless communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100018166A CN101217214B (en) | 2007-01-05 | 2007-01-05 | A stereo wide frequency aerial and corresponding wireless communication device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101217214A CN101217214A (en) | 2008-07-09 |
| CN101217214B true CN101217214B (en) | 2011-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100018166A Active CN101217214B (en) | 2007-01-05 | 2007-01-05 | A stereo wide frequency aerial and corresponding wireless communication device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101217214B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101944652A (en) * | 2009-07-08 | 2011-01-12 | 连展科技电子（昆山）有限公司 | Broadband antenna |
| WO2015131320A1 (en) * | 2014-03-03 | 2015-09-11 | 华为终端有限公司 | Antenna and wireless terminal |
| CN106105126B (en) * | 2014-03-05 | 2019-07-19 | 华为技术有限公司 | Frame transmission, frame detection method, sending ending equipment and receiving device |
| CN103996902A (en) * | 2014-06-15 | 2014-08-20 | 熊保清 | Mobile phone antenna |
| JP6422547B1 (en) * | 2017-09-28 | 2018-11-14 | 株式会社ヨコオ | Patch antenna and antenna device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4511898A (en) * | 1983-06-22 | 1985-04-16 | Timetco Corporation | Terminated inverted V antenna with matching transformer |
| US5200756A (en) * | 1991-05-03 | 1993-04-06 | Novatel Communications Ltd. | Three dimensional microstrip patch antenna |
| CN2829118Y (en) * | 2005-08-01 | 2006-10-18 | 启碁科技股份有限公司 | Broadband antenna and electronic device with broadband antenna |
-
2007
- 2007-01-05 CN CN2007100018166A patent/CN101217214B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4511898A (en) * | 1983-06-22 | 1985-04-16 | Timetco Corporation | Terminated inverted V antenna with matching transformer |
| US5200756A (en) * | 1991-05-03 | 1993-04-06 | Novatel Communications Ltd. | Three dimensional microstrip patch antenna |
| CN2829118Y (en) * | 2005-08-01 | 2006-10-18 | 启碁科技股份有限公司 | Broadband antenna and electronic device with broadband antenna |
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| Publication number | Publication date |
|---|---|
| CN101217214A (en) | 2008-07-09 |
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