CN2919568Y - Plate antenna suitable for wireless network device - Google Patents
Plate antenna suitable for wireless network device Download PDFInfo
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- CN2919568Y CN2919568Y CN 200620001889 CN200620001889U CN2919568Y CN 2919568 Y CN2919568 Y CN 2919568Y CN 200620001889 CN200620001889 CN 200620001889 CN 200620001889 U CN200620001889 U CN 200620001889U CN 2919568 Y CN2919568 Y CN 2919568Y
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Abstract
A panel antenna for wireless network device comprises a base plate, a grounding part, a first antenna, a second antenna and a third antenna. The base plate is made from dielectric materials, a first and a second mutual vertical direction is defined on a surface of the base plate. The grounding part is GND and covers at least one section of the surface of the base plate. The first antenna is a dipole antenna and the extension set of the grounding part towards the first direction. The second antenna is a monopole antenna and the extension set of the grounding part towards the second direction. The third antenna is a monopole antenna and the extension set of the grounding part towards the second direction, wherein the second antenna and the third antenna is respectively positioned at two relative sides of the first antenna substantially.
Description
Technical field
The utility model relates to a kind of plate aerial, particularly a kind of plate aerial that is applicable to the MIMO radio network device.
Background technology
Seeing also Fig. 1, is the stereo appearance figure of a typical wireless network device 10.Described radio network device 10 generally is to have to comprise: a body 11, be positioned at body interior an internal circuit device 12, be positioned at body 11 1 ends a connector portion 13 its be to be used for connecting an extraneous main frame (not shown) and to be positioned on the body 11 and with respect to an antenna signal receiving/transmission portion 14 of the other end of connector portion 12.Generally, the shell of described antenna signal receiving/transmission portion 14 is constituted with non-metallic material, and when radio network device 10 was connected on the extraneous main frame, described antenna signal receiving/transmission portion 14 need be exposed to the outside of extraneous main frame so that transmitting/receiving wireless signal effectively.And for general user's operating habit, X-Y plane as shown in Figure 1 is to need most the plane with higher wireless signal transmission usefulness.So, Antenna Design for radio network device 10, research and development emphasis now, also mostly is that how to focus on can be improving isolation (Isolation) between each antenna, and the dead angle that reduces the aerial radiation field pattern on the direction of X-Y plane, with the transmitting-receiving ability of efficient hardening antenna on X-Y plane.
As shown in Figure 2, have internal circuit device 20 schematic diagrames now for one of MIMO radio network device.The existing internal circuit device 20 of described MIMO radio network device is to include: a substrate 21, a control circuit 22 are positioned on the described substrate 21, a grounding parts 23 is covered in a presumptive area on the substrate 21 and an antenna element 24 its be to be electrically connected on described control circuit 22.
For the Antenna Design of the radio network device that meets the MIMO specification, be to use three antennas to constitute three emissions, two antenna elements that receive.For example, in existing MIMO antenna element 24 shown in Figure 2, be to include one to be positioned at the first middle antenna 241 and difference one second antenna 242 and a third antenna 243 at 241 liang of sides of first antenna.Described three antennas 241,242,243 are adjacent setting and all are (that is, towards the right side x direction of Fig. 2) unipole antennas (Monopole Antenna) of extending in the same direction.These three antennas 241,242,243 are worn (striding) by first, second and third feed-in line 251,252,253 respectively and are crossed grounding parts 23 and be connected to control circuit 22 and be driven by it and control.One important disappearance of this kind MIMO antenna element 24, be to be its three unipole antennas the 241,242, the 243rd, the mode of adopting extension in the same way and neighbour setting designs, so the isolation between its adjacent antenna (for example first antenna 241 and second antenna 242) is relatively poor.In addition, described first antenna 241 is the designs that adopt unipole antenna, makes that also its radiation pattern (Radiation Pattern) dead angle on X-Y plane is bigger.For example, as shown in Figure 3, it is first antenna 241 of existing MIMO antenna element 24 is as shown in Figure 2 tested gained on X-Y plane radiation pattern figure.By among the described radiation pattern figure of Fig. 3 as can be known, the maxgain value of first antenna 241 on horizontal direction (Horizontal) has only-0.79dBi, just almost without any gain function.In addition, more as shown in Figure 4, it be that it is to test isolation (Isolation) curve chart of gained in as shown in Figure 2 the existing MIMO antenna element 24 between first antenna 241 and second antenna 242.By the isolation curve chart of Fig. 4 as can be known, in the application frequency band range in about 2.4GHz～2.5GHz, isolation value between its first antenna 241 and second antenna 242 is about-6.01dB, this numerical value still need be lower than-requirement of 10dB for its isolation value of high-effect Antenna Design greater than the open market, and obviously also has the further space of improvement.
Summary of the invention
The purpose of this utility model is to be to provide a kind of plate aerial, and it can have preferable aerial radiation field pattern improving yield value and to reduce the dead angle, and the isolation between two adjacent two antennas is preferable to avoid interference and to improve antenna performance.
Another purpose of the present utility model provides a kind of plate aerial, and it cooperates its both sides that one unipole antenna respectively is set respectively by a dipole antenna, and is applicable on the MIMO radio network device with the triantennary design that constitutes three emissions, two receptions.And the bearing of trend of its adjacent two antennas is towards being vertical direction setting, and can promote the isolation effect between its adjacent two antennas.
In order to achieve the above object, the utility model provides a kind of plate aerial that is applicable on the radio network device, it is characterized in that, include: a substrate, be that definition has an orthogonal first direction and a second direction on an aspect of described substrate, and described substrate and have one first edge vertical with described first direction and one second edge vertical with described second direction at least; One grounding parts, it is a part of zone that is covered in described substrate aspect electrical ground and at least, and described grounding parts is in being to be separated by one first at interval and be to be separated by one second at interval with second edge with described first edge on described second direction on the described first direction; One first antenna is to extend setting and be positioned at described first at interval towards described first edge from grounding parts; One second antenna is to extend setting and be positioned at described second at interval towards described second edge from grounding parts.
More include a third antenna, it is to be positioned at the opposite side of grounding parts with respect to second antenna, and making second antenna and third antenna is to be subjected to grounding parts to isolate, and the shape of described third antenna comes down to the shape corresponding to second antenna.Described first antenna is to be a dipole antenna, and described second antenna is to be a unipole antenna.Described substrate is to have one first relative aspect and one second aspect, on described two aspects, be to be provided with grounding parts respectively, and the zone that grounding parts is covered on two aspects is that mutual correspondence and profile phase are same, and described first and second antenna is to be arranged on first aspect.
Described first antenna is to be a T type dipole antenna, it more includes: a T type radiant body, it is to be positioned on second aspect of substrate and is to comprise: a body its be from grounding parts extend to along first direction vicinity, contiguous first edge, a long and narrow ditch be formed in the middle of the body and be from the end at nearer first edge of body along first direction towards grounding parts extend a predetermined length and two extensions its be respectively from about the end at nearer first edge of body two sides extend a predetermined length along being parallel to second direction; One microstrip line, it is to be positioned on first aspect of substrate and the position of contiguous long and narrow ditch, and described microstrip line is to have to comprise: one first long and narrow it be that to extend to vicinity, contiguous first edge, a turning point one end be to be connected in first long and narrow one end and be to extend across described long and narrow ditch and second long and narrow one end is to be connected in the other end of turning point and is to extend to grounding parts along the direction that is parallel to long and narrow ditch along second direction along the direction that is parallel to long and narrow ditch from grounding parts.
The length of two extensions of described T type radiant body is the quarter-wave that is respectively the application frequency band of described first antenna, and the shape of described two extensions is symmetrical.The length of the long and narrow ditch of described T type radiant body is the quarter-wave for the application frequency band of described first antenna.The long and narrow portion of first and second of described microstrip line is respectively the quarter-wave that one 50 ohm microstrip and its length are respectively the application frequency band of described first antenna, the length of described turning point is then shorter relatively, therefore comes down to make that the total length of described microstrip line equals 1/2nd wavelength of the application frequency band of described first antenna.
Described second antenna is to have to comprise: an end section portion one end is to abut in grounding parts and is towards a bit of length of second direction projection, one first bending segment one end is to connect the other end of described end section portion and along first direction and towards extend one first length away from the direction at first edge, one second bending segment one end be connect the other end of first bending segment and along second direction towards extend one second length near the direction at second edge, one the 3rd bending segment one end be connect the other end of second bending segment and along first direction towards extend one the 3rd length near the direction at first edge, and one the 4th bending segment one end be connect the other end of the 3rd bending segment and along second direction towards extend one the 4th length away from the direction at second edge.
Come down to form a resonance surface of second antenna between first and second bending segment of described second antenna and the described grounding parts, and, come down to form a resonant cavity of second antenna between the described the 3rd and the 4th bending segment and first and second bending segment; And the length of described first and second bending segment adds up to 1/8th wavelength of the application frequency band of described second antenna, and the length of the described the 3rd and the 4th bending segment adds up to 1/8th wavelength of the application frequency band that also is described second antenna.
The advantage that the utlity model has: the yield value of first antenna of the utility model plate aerial on horizontal direction (Horizontal) can be up to 3.59dBi, its gain effect obviously than prior art-0.79dBi is high.Well imagine that plate aerial of the present utility model can provide certainly than prior art more good wireless signal communication quality and efficiency of transmission.In the application frequency band range in about 2.4GHz～2.5GHz, first antenna of plate aerial of the present utility model and the isolation value between second antenna can be hanged down Da Yue-13.42dB.This isolation value of the utility model not only is much better than prior art-6.01dB, and more be lower than the open market and need be lower than-requirement of 10dB, obviously significantly improve the existing shortcoming that Antenna Design is bad and usefulness is not good for its isolation value of high-effect Antenna Design.
Description of drawings
Fig. 1 is the stereo appearance figure of typical wireless network device;
Fig. 2 is an existing internal circuit device schematic diagram of MIMO radio network device;
Fig. 3 is first antenna 241 of existing MIMO antenna element is as shown in Figure 2 tested gained on X-Y plane radiation pattern figure;
Fig. 4 is in as shown in Figure 2 the existing MIMO antenna element, and it is with the isolation curve chart of test gained between first antenna and second antenna;
Fig. 5 has in the radio network device of the utility model plate aerial, the circuit unit side figure of a preferred embodiment of its internal circuit device;
Fig. 6 has in the radio network device of the utility model plate aerial, the scolding tin side figure of a preferred embodiment of its internal circuit device;
Fig. 7 is as in Fig. 5 and the radio network device shown in Figure 6, the enlarged diagram of its plate aerial part of the present utility model;
Fig. 8 is the radiation pattern figure that tests gained as first antenna in Fig. 5 and the utility model plate aerial shown in Figure 6 on X-Y plane;
Fig. 9 is as in Fig. 5 and the utility model plate aerial shown in Figure 6, with the isolation curve chart of test gained between first antenna and second antenna.
Description of reference numerals: 10～radio network device; 11～body; 12～internal circuit device; 13～connector portion; 14～antenna signal receiving/transmission portion; 20～existing internal circuit device; 21～substrate; 22～control circuit; 23～grounding parts; 24～antenna element; 241～the first antennas; 242～the second antennas; 243～third antenna; 251,252,253～feed-in line; 50～radio network device; 51～substrate; 511～the first aspects; 512～the second aspects; 513～the first edges; 514～the second edges; 515～the 3rd edges; 52～control circuit; 53～grounding parts; 531～leading edge; 532～the first lateral margins; 533～the second lateral margins; 534～the first trailing edges; 535～the second trailing edges; 541,542,543～feed-in line; 60～plate aerial; 61～the first antennas; 611～radiant body; 612～microstrip line; 613,613a～body; 614～long and narrow ditch; 615,616～extension; 617～the first long and narrow portions; 618～turning point; 619～the second long and narrow portions; 62～the second antennas; 621～end section portion; 622～the first bending segments; 623～the second bending segments; 624～the 3rd bending segments: 625～the 4th bending segments; 63～third antenna.
Embodiment
See also Fig. 5 to Fig. 7, its exposure has plate aerial 60 of the present utility model and has a preferred embodiment of the radio network device 50 of described plate aerial 60.Wherein, Fig. 5 and Fig. 6 are respectively in the radio network device 50 with the utility model plate aerial 60, the circuit unit side of a preferred embodiment of its internal circuit device (Component Side) figure and scolding tin side (Solder Side) figure.Fig. 7 is for as in Fig. 5 and the radio network device 50 shown in Figure 6, the enlarged diagram of its plate aerial 60 parts of the present utility model.
As shown in Figure 5, the preferred embodiment with radio network device 50 of the utility model plate aerial 60 is to include: a substrate 51, a control circuit 52, a grounding parts 53, an and plate aerial 60.
Described substrate 51 is made of dielectric material, and is the substrate 51 that is the flattened rectangular shape.In a preferred embodiment, described substrate 51 can be a FR4 circuit board.On substrate 51 be have one the circuit unit side surface (following first aspect 511 or the upper surface that also be called) of most electric circuitry packages is set and have most bumps the scolding tin side surface (following second aspect 512 or the lower surface that also be called, as shown in Figure 6).Be that definition has an orthogonal first direction (directions X) and a second direction (Y direction) on first aspect 511 of described substrate 51 (with second aspect 512), and described substrate 51 also has one first edge 513 vertical with described first direction and one second edge 514 and one three edge 515 vertical with described second direction at least, and described second edge 514 and the 3rd edge 515 are two ends that are connected to first edge 513.
Described control circuit 52 is to be arranged on first aspect 511 of described substrate 51, and it includes some integrated circuit packages and most electronic building brick, and the wireless network transmissions function can be provided.Because this described control circuit 52 can select for use prior art to use and non-major technique feature of the present utility model, thus below will not give unnecessary details its detailed formation.
Described grounding parts 53 is (GND) and be covered in a part of zone of first and second aspect 511,512 of described substrate 51 at least electrical ground, especially is covered in the zone of first aspect 511 and contiguous the utility model plate aerial 60 and second aspect 512 that extensively is covered in and removes corresponding to other major part plate aerial 60 positions regional.Described grounding parts 53 except can provide function electrical ground, the function of frequency resonance also can be provided with the utility model plate aerial 60.In a preferred embodiment of the present utility model, described grounding parts 53 on described first direction (directions X) is and described first edge 513 one first at interval (unnumbered) of being separated by, and on described second direction (Y direction) be with second edge 514 be separated by one second at interval (unnumbered) and with the 3rd edge 515 one the 3rd (unnumbered) at interval of being separated by.And, near the location contiguous plate aerial 60, the zone that grounding parts 53 is covered on two aspects 511,512 is that mutual correspondence and profile phase are same.
Described plate aerial 60 is to be arranged on the substrate 51 and not to be grounded locating that portion 53 covered, and described plate aerial 60 is to be connected so that the wireless signal transmission-receiving function to be provided with control circuit 52 by some feed-in lines 541,542,543.In a preferred embodiment of the present utility model, described plate aerial 60 is more to include: one first antenna 61, one second antenna 62 and a third antenna 63.Described first antenna 61 is to extend setting and be positioned at described first at interval towards first edge 513 from a leading edge 531 of grounding parts 53, second antenna 62 is to extend towards second edge 514 from one first lateral margin 532 of grounding parts 53 to be provided with and to be positioned at described second at interval, and third antenna 63 is that one second lateral margin 533 from grounding parts 53 extends towards the 3rd edge 515 and is provided with and is positioned at the described the 3rd at interval.Described grounding parts 53 on first aspect 511 also has from described first lateral margin, 532 tail ends and extends to first trailing edge 534 at 514 places, second edge and second trailing edge 535 that extends to 515 places, the 3rd edge from described second lateral margin, 533 tail ends.As shown in Figure 5, the more described edge 531～535 by grounding parts 53 comes down to constitute a similar step structure.And at two sides of grounding parts 53 leading edges 531, be to form respectively by first lateral margin 532 and first trailing edge 534 and the square shape zone that is not grounded that defined by second lateral margin 533 and second trailing edge 535, described second antenna 62 and third antenna 63 then are that the position is not grounded the zone and by second lateral margin 533 and second trailing edge, 535 defined not being grounded in the zone aforementioned by first lateral margin 532 and first trailing edge 534 are defined respectively.Thus, come down to suffer not only that grounding parts 53 isolates between second antenna 62 and the third antenna 63, and also can provide some isolation effects between first antenna 61 and second antenna 62 (or third antenna 63) by grounding parts 53.
As Fig. 5 and shown in Figure 6, described first antenna 61 is for a T type dipole antenna (T-DipoleAntenna) and is more to include: a T type radiant body 611 and a microstrip line 612.Described T type radiant body 611 is to be positioned on second aspect 512 of substrate 51 and is to have to comprise: a body 613, one long and narrow ditch 614 and two extensions 615,616.Described body 613 is to extend to 513 vicinity, contiguous first edge from grounding parts 53 along first direction.Described long and narrow ditch 614 is to be formed in the middle of the body 613 and is that end from body 613 nearer first edges 513 extends a predetermined length along first direction towards grounding parts 53.Described two extensions the 615, the 616th, two sides extend a predetermined length along being parallel to second direction from about the end at body 613 nearer first edges 513 respectively.The body 613 of described T type radiant body 611 is to be connected with grounding parts 53 on second aspect 512.On first aspect 511 and the location around the contiguous microstrip line 612, and be provided with another body 613a corresponding with the body 53 of second aspect 512 and that appearance profile is identical.Described another body 53 be be positioned at first aspect 511 on grounding parts 53 be connected.
Described microstrip line 612 is to be positioned on first aspect 511 of substrate 51 and the position of contiguous long and narrow ditch 614.Described microstrip line 612 is to have to comprise: one first long and narrow 617, a turning point 618 and one second long and narrow 619.Described first long and narrow 617 is to extend to 513 vicinity, contiguous first edge from grounding parts 53 along the direction that is parallel to long and narrow ditch 614.One end of described turning point 618 is to be connected in first long and narrow 617 1 end and is to extend across described long and narrow ditch 614 along second direction.An end of described second long and narrow 619 is to be connected in the other end of turning point 618 and is to extend to grounding parts 53 along the direction that is parallel to long and narrow ditch 614.Is the shape that constitute a similar T word to the extension 615,616 that two sides extend in visually owing to described body 613 and from its end, microstrip line 612 with then can have dipole antenna (Dipole Antenna) characteristic cooperating of T type radiant body 611, therefore what claim is T type dipole antenna.
Please consult Fig. 5 once more, in this preferred embodiment, because described second antenna 62 and third antenna 63 come down to be located at respectively in symmetrical mode relative two sides of first antenna 61, and described second antenna 62 comes down to mutual corresponding with the shape of third antenna 63.Therefore, below the general only is described with regard to the structure of second antenna 26, and repeats no more the formation of third antenna 63.
In this preferred embodiment, described second antenna 62 is to have to comprise: an end section portion 621, one first bending segment 622, one second bending segment 623, one the 3rd bending segment 624, and one the 4th bending segment 625.One end of described end section portion 621 is to abut in first lateral margin 532 of grounding parts 53 and is towards a bit of length of second direction projection.One end of first bending segment 622 is other ends of the described end section of connection portion 621 and is along first direction and towards extend one first length away from the direction at first edge 513.One end of second bending segment 623 is to connect the other end of first bending segment 622 and is towards extend one second length near the direction at second edge 514 along second direction.One end of described the 3rd bending segment 624 is to connect the other end of second bending segment 623 and is towards extend one the 3rd length near the direction at first edge 513 along first direction.One end of the 4th bending segment 625 is to connect the other end of the 3rd bending segment 624 and is towards extend one the 4th length away from the direction at second edge 514 substantially along second direction.By as can be known shown in Figure 5, can constitute the antenna structure of a similar D type by first to fourth bending segment 622～625 of described second antenna 62.Wherein, come down to form a resonance surface of second antenna 62 between first lateral margin 532 of first and second bending segment 622,623 of described second antenna 62 and described grounding parts 53 and first trailing edge 534.The described D type zone that is constituted between the described the 3rd and the 4th bending segment 624,625 and first and second bending segment 622,623 is in fact then being a resonant cavity that forms second antenna 62, so that good antenna performance to be provided.
See also shown in Figure 7ly, plate aerial 60 of the present utility model can change frequency range or frequency band that it uses frequency band by adjusting the length or the bending mode of each antenna 61,62,63 different parts.For example, the length of being extended by the long and narrow ditch 614 of adjusting first antenna 61, can determine first antenna 61 to use the frequency range size depth of frequency band, simultaneously, first long and narrow 617 and second long and narrow 619 length of the microstrip line 612 by adjusting first antenna 61 then can be changed the frequency band of the application frequency band of first antenna 61.And for example, the length of first and second bending segment 622,623 by adjusting second antenna 62 (or third antenna 63), can be used to determine the frequency range of the application frequency band of second antenna 62 (or third antenna 63), then can be used to adjust the frequency band that it uses frequency band as for the length and the position of its 3rd bending segment 624.
If the radio network device 50 that is suitable for the WLAN (WLAN) that meets the 802.1g standard is an example, then the application frequency band of its plate aerial 60 need drop in the scope of 2.4GHz～2.5GHz.In a preferred embodiment, the length and the relative position of each antenna 61,62,63 in the plate aerial 60 of the present utility model can design according to following manner: 1. the length of two extensions 615,616 of the T type radiant body 611 of described first antenna 61 (from long and narrow ditch 614 looking somebody up and down) is the quarter-wave that is about the application frequency band of described first antenna 61 respectively, and the shape of described two extensions 615,616 is symmetrical.
2. the total length of the long and narrow ditch 614 of the T type radiant body 611 of described first antenna 61 is the quarter-waves that are about the application frequency band of described first antenna 61.
3. long and narrow 617, the 619th of first and second of the microstrip line 612 of described first antenna 61 is respectively the quarter-wave that one 50 ohm microstrip and its length are about the application frequency band of described first antenna 61 respectively, the length of described turning point 618 is then shorter relatively, therefore comes down to make that the total length of described microstrip line 612 approximates 1/2nd wavelength of the application frequency band of described first antenna 61.
4. the tie point of feed-in line 542,543 and second antenna 62 and third antenna 63 is the load points that are called second antenna 62 and third antenna 63, and the load point of first antenna 61 then is the position strides across long and narrow ditch 614 in its turning point 618 position.At this moment, the distance between the load point of the load point of first antenna 61 and second antenna 62 is about the quarter-wave of the application frequency band of described first antenna 61.
5. in second antenna 62, the length of described first and second bending segment 622,623 adds up to 1/8th wavelength of the application frequency band that is about described second antenna 62, and the length of the described the 3rd and the 4th bending segment 624,625 adds up to 1/8th wavelength of the application frequency band that also is about described second antenna 62.
In addition, in a preferred embodiment of the present utility model, described some feed-in lines the 541,542, the 543rd can use 50 ohm microstrip, to obtain preferable power transfer function.
To shown in Figure 7,, will make that second antenna 62 is to be subjected to grounding parts 53 to isolate with third antenna 63 as Fig. 5 by the unique design of plate aerial 60 of the present utility model.And the radiant body 611 of described first antenna 61 (T type dipole antenna) itself, and the grounding parts of position between first antenna 61 and second antenna 62 also all will improve good isolation effect between its two adjacent antenna 61,62.In addition, the design of two unipole antennas that the utility model adopts T type dipole antenna (first antenna 61) to cooperate the both sides not extend in the same way (second with third antenna 62,63), also can on X-Y plane, obtain better radiation pattern and higher gain, and can significantly improve antenna performance.
See also Fig. 8 and shown in Figure 9, wherein, Fig. 8 is for test the radiation pattern figure of gained on X-Y plane as first antenna 61 in Fig. 5 and the utility model plate aerial 60 shown in Figure 6; And Fig. 9 is for as in Fig. 5 and the utility model plate aerial 60 shown in Figure 6, with isolation (Isolation) curve chart of test gained between first antenna 61 and second antenna 62.
By among the described radiation pattern figure of Fig. 8 as can be known, the yield value of first antenna 61 on horizontal direction (Horizontal) of the utility model plate aerial 60 can be up to 3.59dBi, its gain effect obviously such as prior art shown in Figure 2-0.79dBi is high.Well imagine that plate aerial 60 of the present utility model can provide certainly than located by prior art more good wireless signal communication quality and efficiency of transmission.By the isolation curve chart of Fig. 9 as can be known, in the application frequency band range in about 2.4GHz～2.5GHz, first antenna 61 of plate aerial 60 of the present utility model and the isolation value between second antenna 62 can be hanged down Da Yue-13.42dB again.This isolation value of the utility model not only is much better than as shown in Figure 2 located by prior art-6.01dB, and more be lower than the open market and need be lower than-requirement of 10dB, obviously significantly improve and commonly use the shortcoming that Antenna Design is bad and usefulness is not good for its isolation value of high-effect Antenna Design.
But only above-described embodiment shall not be applied to restriction range of application of the present utility model.For example, first antenna 61 of the present utility model is not limited to above-mentioned T type dipole antenna, and it also can be dipole antenna or the unipole antenna or the antenna of PIFA form of other form.And for example, of the present utility model second with third antenna 62,63 also be not limited to unipole antenna, it can also be the antenna of PIFA form.So protection range of the present utility model should be based on claim content institute's definition techniques spirit of the present utility model and the impartial scope that is included that changes thereof.Promptly the equalization of being done according to the utility model claim generally changes and modifies, and will not lose main idea of the present utility model place, does not also break away from spirit and scope of the present utility model, and the former capital should be considered as further enforcement situation of the present utility model.
Claims (10)
1. one kind is applicable to the plate aerial on the radio network device, it is characterized in that, includes:
One substrate is that definition has an orthogonal first direction and a second direction on an aspect of described substrate, and described substrate and have one first edge vertical with described first direction and one second edge vertical with described second direction at least;
One grounding parts, it is a part of zone that is covered in described substrate aspect electrical ground and at least, and described grounding parts is in being to be separated by one first at interval and be to be separated by one second at interval with second edge with described first edge on described second direction on the described first direction;
One first antenna is to extend setting and be positioned at described first at interval towards described first edge from grounding parts;
One second antenna is to extend setting and be positioned at described second at interval towards described second edge from grounding parts.
2. the plate aerial that is applicable on the radio network device as claimed in claim 1, it is characterized in that: more include a third antenna, it is to be positioned at the opposite side of grounding parts with respect to second antenna, making second antenna and third antenna is to be subjected to grounding parts to isolate, and the shape of described third antenna comes down to the shape corresponding to second antenna.
3. the plate aerial that is applicable on the radio network device as claimed in claim 1 is characterized in that: described first antenna is to be a dipole antenna, and described second antenna is to be a unipole antenna.
4. the plate aerial that is applicable on the radio network device as claimed in claim 3, it is characterized in that: described substrate is to have one first relative aspect and one second aspect, on described two aspects, be to be provided with grounding parts respectively, and the zone that grounding parts is covered on two aspects is that mutual correspondence and profile phase are same, and described first and second antenna is to be arranged on first aspect.
5. the plate aerial that is applicable on the radio network device as claimed in claim 4 is characterized in that: described first antenna is to be a T type dipole antenna, and it more includes:
One T type radiant body, it is to be positioned on second aspect of substrate and is to comprise: a body its be from grounding parts extend to along first direction vicinity, contiguous first edge, a long and narrow ditch be formed in the middle of the body and be from the end at nearer first edge of body along first direction towards grounding parts extend a predetermined length and two extensions its be respectively from about the end at nearer first edge of body two sides extend a predetermined length along being parallel to second direction;
One microstrip line, it is to be positioned on first aspect of substrate and the position of contiguous long and narrow ditch, and described microstrip line is to have to comprise: one first long and narrow it be that to extend to vicinity, contiguous first edge, a turning point one end be to be connected in first long and narrow one end and be to extend across described long and narrow ditch and second long and narrow one end is to be connected in the other end of turning point and is to extend to grounding parts along the direction that is parallel to long and narrow ditch along second direction along the direction that is parallel to long and narrow ditch from grounding parts.
6. the plate aerial that is applicable on the radio network device as claimed in claim 5, it is characterized in that: the length of two extensions of described T type radiant body is the quarter-wave that is respectively the application frequency band of described first antenna, and the shape of described two extensions is symmetrical.
7. the plate aerial that is applicable on the radio network device as claimed in claim 5 is characterized in that: the length of the long and narrow ditch of described T type radiant body is the quarter-wave for the application frequency band of described first antenna.
8. the plate aerial that is applicable on the radio network device as claimed in claim 5, it is characterized in that: the long and narrow portion of first and second of described microstrip line is respectively the quarter-wave that one 50 ohm microstrip and its length are respectively the application frequency band of described first antenna, the length of described turning point is then shorter relatively, therefore comes down to make that the total length of described microstrip line equals 1/2nd wavelength of the application frequency band of described first antenna.
9. the plate aerial that is applicable on the radio network device as claimed in claim 3 is characterized in that: described second antenna is to have to comprise: an end section portion one end is to abut in grounding parts and is towards a bit of length of second direction projection, one first bending segment one end is to connect the other end of described end section portion and along first direction and towards extend one first length away from the direction at first edge, one second bending segment one end be connect the other end of first bending segment and along second direction towards extend one second length near the direction at second edge, one the 3rd bending segment one end be connect the other end of second bending segment and along first direction towards extend one the 3rd length near the direction at first edge, and one the 4th bending segment one end be connect the other end of the 3rd bending segment and along second direction towards extend one the 4th length away from the direction at second edge.
10. the plate aerial that is applicable on the radio network device as claimed in claim 9, it is characterized in that: a resonance surface that comes down to form second antenna between first and second bending segment of described second antenna and the described grounding parts, and, come down to form a resonant cavity of second antenna between the described the 3rd and the 4th bending segment and first and second bending segment; And the length of described first and second bending segment adds up to 1/8th wavelength of the application frequency band of described second antenna, and the length of the described the 3rd and the 4th bending segment adds up to 1/8th wavelength of the application frequency band that also is described second antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620001889 CN2919568Y (en) | 2006-01-26 | 2006-01-26 | Plate antenna suitable for wireless network device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620001889 CN2919568Y (en) | 2006-01-26 | 2006-01-26 | Plate antenna suitable for wireless network device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2919568Y true CN2919568Y (en) | 2007-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620001889 Expired - Fee Related CN2919568Y (en) | 2006-01-26 | 2006-01-26 | Plate antenna suitable for wireless network device |
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| Country | Link |
|---|---|
| CN (1) | CN2919568Y (en) |
Cited By (8)
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| CN102570629A (en) * | 2010-11-23 | 2012-07-11 | 苹果公司 | Wireless power utilization in a local computing environment |
| CN102804496A (en) * | 2011-03-16 | 2012-11-28 | 松下电器产业株式会社 | Antenna device |
| CN102804503A (en) * | 2010-06-10 | 2012-11-28 | 松下电器产业株式会社 | Antenna device and display device |
| CN105337050A (en) * | 2014-06-12 | 2016-02-17 | 索尼公司 | Antenna structure, communication apparatus and electronic equipment |
| US9466989B2 (en) | 2009-11-17 | 2016-10-11 | Apple Inc. | Wireless power utilization in a local computing environment |
| CN106207455A (en) * | 2009-03-06 | 2016-12-07 | 汤姆森许可贸易公司 | Compact Antenna System |
| WO2020010636A1 (en) * | 2018-07-13 | 2020-01-16 | 华为技术有限公司 | Sum and difference mode antenna and communication product |
| CN110970708A (en) * | 2018-09-28 | 2020-04-07 | 启碁科技股份有限公司 | Antenna system and antenna structure thereof |
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- 2006-01-26 CN CN 200620001889 patent/CN2919568Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106207455A (en) * | 2009-03-06 | 2016-12-07 | 汤姆森许可贸易公司 | Compact Antenna System |
| US9466989B2 (en) | 2009-11-17 | 2016-10-11 | Apple Inc. | Wireless power utilization in a local computing environment |
| US10199873B2 (en) | 2009-11-17 | 2019-02-05 | Apple Inc. | Wireless power utilization in a local computing environment |
| CN102804503A (en) * | 2010-06-10 | 2012-11-28 | 松下电器产业株式会社 | Antenna device and display device |
| US8947309B2 (en) | 2010-06-10 | 2015-02-03 | Panasonic Intellectual Property Management Co., Ltd. | Antenna device and display device |
| CN105162264A (en) * | 2010-11-23 | 2015-12-16 | 苹果公司 | Wireless power utilization in a local computing environment |
| CN102570629A (en) * | 2010-11-23 | 2012-07-11 | 苹果公司 | Wireless power utilization in a local computing environment |
| CN102570629B (en) * | 2010-11-23 | 2015-07-22 | 苹果公司 | Wireless power utilization in a local computing environment |
| CN102804496B (en) * | 2011-03-16 | 2014-05-07 | 松下电器产业株式会社 | Antenna device |
| CN102804496A (en) * | 2011-03-16 | 2012-11-28 | 松下电器产业株式会社 | Antenna device |
| CN105337050A (en) * | 2014-06-12 | 2016-02-17 | 索尼公司 | Antenna structure, communication apparatus and electronic equipment |
| WO2020010636A1 (en) * | 2018-07-13 | 2020-01-16 | 华为技术有限公司 | Sum and difference mode antenna and communication product |
| CN110970708A (en) * | 2018-09-28 | 2020-04-07 | 启碁科技股份有限公司 | Antenna system and antenna structure thereof |
| CN110970708B (en) * | 2018-09-28 | 2022-03-15 | 启碁科技股份有限公司 | Antenna system and antenna structure thereof |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070704 Termination date: 20140126 |