CN201018480Y - Dual-frequency veneer symmetrical antenna and device with the wireless network - Google Patents
Dual-frequency veneer symmetrical antenna and device with the wireless network Download PDFInfo
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- CN201018480Y CN201018480Y CNU2007200027353U CN200720002735U CN201018480Y CN 201018480 Y CN201018480 Y CN 201018480Y CN U2007200027353 U CNU2007200027353 U CN U2007200027353U CN 200720002735 U CN200720002735 U CN 200720002735U CN 201018480 Y CN201018480 Y CN 201018480Y
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- radiant body
- network device
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Abstract
An antenna applicable to a wireless network device comprises a pedestal and a two antenna elements. Wherein, each antenna element is composed of an earth electrode, a radiation element and a signal element. The earth electrode of these two antenna elements is connected on a same pedestal. The radiation element is connected with the earth electrode and is parallel with the pedestal. In addition, the radiation element is provided with a first radiation element and a second radiation element. An external arm of the first radiation element is extended to an external edge of the second radiation element and is separate from the second radiation element. The signal element is connected with the radiation element to make the first radiation element and the second radiation element respectively arranged on two sides. A free end of the signal element is separate from the pedestal. The antenna is a single element made from a conducting metal sheet through pressing, thus ensuring easy and quick production, bringing convenient assembling onto a base plate of the wireless network device and increasing vertical gains of high and low frequency of the wireless network device.
Description
Technical field
The utility model relates to a kind of antenna, particularly a kind of one-body molded and symmetrical double frequency spring-piece type inverted F shaped antenna (Plated Inverted-F Antenna that is applicable on the radio network device; Be called for short PIFA), and the radio network device with described antenna.
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 11 inside 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 aerial signal receiving and transmitting part 14 of the other end of connector portion 13.Generally, the shell of described aerial signal receiving and transmitting part 14 is constituted with non-metallic material, and when radio network device 10 was connected on the extraneous main frame, described aerial signal receiving and transmitting part 14 need be exposed to the outside of extraneous main frame so that transmitting/receiving wireless signal effectively.
As shown in Figure 2, have internal circuit device 20 schematic diagrames now for one of radio network device.The existing internal circuit device 20 of described 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.In existing antenna element 24 shown in Figure 2, be to include one first antenna 241 and one second antenna 242 respectively at 21 liang of sides of substrate.Because the Antenna Design of this existing internal circuit device 20 all designs on substrate 21 in printing type monopole antenna (Printed Monopole Antenna) mode.And this type of printing type aerial is owing to the difference in height that is subject on its vertical direction, only can be by difform described first antenna 241 and described second antenna 242 of design, on X-Y plane (on the horizontal direction), obtain better radiation pattern and higher gain to reach, but in almost the have no way of space of improving of the gain of vertical Z direction.Yet, now for the designer trends of radio network device, be towards " vertical type (VerticleStand) " design, feel in apparent modern sense and science and technology with the radio network device product that takies, improves simultaneously that reduces the space.Obviously, the existing bad gain of printing type aerial on the vertical Z direction can't be satisfied the demand of vertical type radio network device.
For example, as shown in Figure 3, it is first antenna of existing printing type aerial unit 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 described first antenna 241 on vertical direction (Vertical) has only-15.89dBi, its value be starkly lower than the consumer the patient lowest limit (the general yield value that requires should be higher than at least-more than the 10dBi), this is for the requirement of open market for high-effect Antenna Design, and the space of obviously further improveing in addition.
Summary of the invention
First purpose of the present utility model is to be to provide a kind of double frequency veneer symmetry spring-piece type antenna, and it forms the structural design of two side antenna parts simultaneously by the integrated punching moulding, in order to making and reducing cost.
Second purpose of the present utility model is to be to provide a kind of antenna that is applicable on the radio network device, it is to set the formula Antenna Design, can be assembled fast on radio network device, and all has preferable aerial radiation field pattern in low frequency and frequency applications frequency band range, to improve the vertical gain value and to reduce the dead angle.
In order to achieve the above object, a preferred embodiment of double frequency veneer symmetry spring-piece type antenna of the present utility model is to include: a pedestal and two antenna parts.Each antenna part also includes a Department of Radiation, a signal body and an earth electrode.Described earth electrode is to be incorporated on the described pedestal, and perpendicular with described pedestal substantially; And described Department of Radiation its be to be connected with described earth electrode, and parallel with described pedestal substantially, described Department of Radiation has one first radiant body and one second radiant body, and an outer arm body of described first radiant body extends to the outer rim of described second radiant body, and is separated with described second radiant body.It is to be connected with described Department of Radiation for described signal body, and described first radiant body and described second radiant body are located at two sides respectively, and a free end of described signal body is to be separated with described pedestal.
Antenna of the present utility model by this is on being used in radio network device the time, and this radio network device includes: a substrate, a control circuit, a grounding parts, at least one feed-in line.Described substrate is made of dielectric material, and has two perforates on the described substrate.Described control circuit is arranged on the described substrate, and the wireless network transmissions function can be provided.It is a part of zone that is covered in described substrate electrical ground and at least for described grounding parts.It is to be connected by described grounding parts and with control circuit for described feed-in line.When described antenna assemblies is on described radio network device, the free end of described signal body is connected with described perforate contraposition, and described pedestal is posted by the upper surface of described substrate, described earth electrode is connected with described grounding parts simultaneously, and described signal body is connected with described feed-in line with described free end.And radiation pattern and higher vertical direction gain that this radio network device is more lived, and can significantly improve antenna performance.
The advantage that the utlity model has: antenna of the present utility model not only can provide on vertical direction certainly than prior art more good wireless signal communication quality and efficiency of transmission, and more form the structural design of two side antenna parts simultaneously, and can sharply make and reduce cost by the integrated punching moulding.
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 radio network device;
Fig. 3 is first antenna of existing antenna element is as shown in Figure 2 tested gained on X-Y plane radiation pattern figure;
Fig. 4 A is the preferred embodiment perspective view of the utility model double frequency veneer symmetrical expression antenna;
Fig. 4 B is the preferred embodiment plan structure schematic diagram of the utility model double frequency veneer symmetrical expression antenna;
Fig. 5 is the structural representation of a preferred embodiment with radio network device of the utility model antenna;
Fig. 6 A is the antenna part in as shown in Figure 5 the utility model antenna is tested gained on the X-Y plane of low frequency applications frequency band range (2.45GHz) radiation pattern figure;
Fig. 6 B is the antenna part in as shown in Figure 5 the utility model antenna is tested gained on the X-Y plane of frequency applications frequency band range (5.75GHz) radiation pattern figure;
Fig. 7 turns back for the test of the antenna part in the utility model antenna as shown in Figure 5 and loses the figure of gained.
Description of reference numerals: 10～radio network device; 11～body; 12～internal circuit device; 13～connector portion; 14～aerial signal receiving and transmitting part; 20～existing internal circuit device; 21～substrate; 22～control circuit; 23～grounding parts; 24～antenna element; 241～the first antennas; 242～the second antennas; 5～antenna; 51～pedestal; 52,53～antenna part; 521～earth electrode; 522～signal body; 523～Department of Radiation; 524～the first radiant bodies; 525～the second radiant bodies; 526～outer arm body; 527～free end; 6～radio network device; 61～substrate; 611～perforate; 62～control circuit; 63～grounding parts; 64～feed-in line; H～highly; S～spacing; T～thickness; D～distance.
Embodiment
Veneer symmetrical expression antenna of the present utility model and have the cardinal principle of the radio network device of described antenna, mainly be that double frequency spring-piece type inverted F shaped antenna (PIFA) is formed the structural design of two side antenna parts simultaneously with the integrated punching moulding, and antenna is assembled fast on the substrate of radio network device.Not only can obtain higher vertical direction gain, and, also more save cost making and using and make up facility more.
See also shown in Fig. 4 A and Fig. 4 B, it is preferred embodiment stereochemical structure and the plan structure schematic diagram that is respectively the utility model double frequency veneer symmetrical expression antenna.The single component that double frequency veneer symmetrical expression antenna 5 of the present utility model is bent to form by the one-body molded processing procedure of punching press for the sheet metal (for example copper, iron, aluminium etc.) with conductivity.Therefore, except that the turnover bending part, almost all has an identical thickness t.And the antenna 5 of described single component is to include: a pedestal 51 and two antenna parts 52,53.In this preferred embodiment, because two antenna parts 52,53 come down to be located at respectively in symmetrical mode two sides of described pedestal 51, and the shape of two antenna parts 52,53 comes down to mutual correspondence.Therefore, below the general only is described with regard to the structure of single antenna portion 52, and repeats no more the formation of another antenna part 53.
Described antenna part 52 more includes an earth electrode 521, a signal body 522 and a Department of Radiation 523.Described earth electrode 521 is to be incorporated on the described pedestal 51, forms by the described pedestal 51 of bending, and perpendicular with described pedestal 51 substantially.And described Department of Radiation 523 is to be connected with described earth electrode 521, parallels with described pedestal 51, and makes described Department of Radiation 523 and described pedestal 51 that a height h be arranged apart; In present embodiment, described height h is for being preferable between 3～4.5mm.
Described Department of Radiation 523 has one first radiant body 524 and one second radiant body 525 of being located at described signal body 522 2 sides respectively, in this preferred embodiment, the dimensions length of described first radiant body 524 is the dimensions length greater than described second radiant body 525, and described first radiant body 524 has the outer rim that an outer arm body 526 extends to described second radiant body 525, and described outer arm body 526 parallels with described second radiant body 525 substantially, make with described second radiant body 525 and be separated, have one apart apart from d, by the coupled modes of described first radiant body 524 with described second radiant body 525, produce the effect that double frequency uses, more, change frequency range or frequency band that it uses frequency band with the reservation shape and the size of described first radiant body 524 with described second radiant body 525.Described signal body 522 is to be connected with radiant body 523.Described signal body 522 is incorporated on the described Department of Radiation 523, and is perpendicular with described pedestal 51 substantially, and is separated with described earth electrode 521, and a distance s is apart arranged.Described signal body 522 has more a free end 527, and described free end 527 and described pedestal 51 are for being separated.
See also shown in Figure 5ly, it is to have in the radio network device of the utility model antenna, the schematic diagram of a preferred embodiment of its internal circuit device.Radio network device 6 of the present utility model is to include: a substrate 61, a control circuit 62, a grounding parts 63, at least one feed-in line 64 and antenna of the present utility model 5.Described substrate 61 is made of dielectric material, and is the substrate 61 that slightly is the flattened rectangular shape substantially.Described substrate 61 is to have two perforates 611.Described control circuit 62 is to be arranged on the substrate 61, and it includes circuit layout, some integrated circuit packages and some electronic building bricks, and the wireless network transmissions function can be provided.Because this described control circuit 62 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 63 is (GND) and be covered in a part of zone of described substrate 61 at least electrical ground.In this preferred embodiment, because the assembly of described antenna 5 major parts is the same as or similar to previous embodiment, therefore identical assembly will directly give identical title and numbering.Because in the described antenna 5, the described free end 527 of each signal body 522 is that corresponding one by one described perforate 611 is provided with and carries out mutual contraposition and connect, make described pedestal 51 be posted by described substrate 61 upper surfaces, and the described earth electrode 521 of each antenna part 52,53 is to recline on the described grounding parts 63 so that function electrical ground to be provided, and the free end 527 of described signal body 522 then is connected with described feed-in line 64 so that the function of signal transmission to be provided.
See also shown in Fig. 6 A and Fig. 6 B, on the X-Y plane of low frequency applications frequency band range (2.45GHz) and frequency applications frequency band range (5.75GHz), test the radiation pattern figure of gained for the antenna part in the utility model antenna as shown in Figure 5.By among the described radiation pattern figure of Fig. 6 A as can be known, left side of the present utility model antenna part 53 is when low frequency applications frequency band range (2.45GHz), the yield value on its vertical direction (Vatical) can be up to-4.24dBi; And among the described radiation pattern figure of Fig. 6 B as can be known, the utility model antenna part 52 is when frequency applications frequency band range (5.75GHz), yield value on its vertical direction (Vatical) can be up to-0.36dBi, its gain effect obviously than as shown in Figures 2 and 3 prior art-15.89dBi is high.
Consult shown in Figure 7ly again, be the turn back figure of loss gained of the antenna part in the utility model antenna as shown in Figure 5 test.By among the figure of Fig. 7 as can be known, the utility model antenna in the loss of turning back of frequency ranges such as 2.4GHz, 2.5GHz, 5.15GHz and 5.85GHz all less than-10dB, with of the requirement of enough open markets for high-effect Antenna Design.Well imagine, antenna 5 of the present utility model not only can provide on vertical direction certainly than prior art more good wireless signal communication quality and efficiency of transmission, and more form the structural design of two side antenna parts simultaneously, and can sharply make and reduce cost by the integrated punching moulding.
But above-described embodiment shall not be applied to restriction range of application of the present utility model.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. a double frequency veneer symmetrical expression antenna is characterized in that, includes:
One pedestal; And
Two antenna parts, each antenna part also includes:
One earth electrode, it is to be incorporated on the described pedestal;
One Department of Radiation, it is to be connected with described earth electrode, and parallels with described pedestal, and described Department of Radiation has one first radiant body and one second radiant body, and an outer arm body of described first radiant body extends to the outer rim of described second radiant body, and is separated with described second radiant body; And
One signal body, it is to be connected with described Department of Radiation, described first radiant body and described second radiant body are located at two sides respectively, and a free end of described signal body is to be separated with described pedestal.
2. double frequency veneer symmetrical expression antenna as claimed in claim 1 is characterized in that, described antenna is to have the single component that the sheet metal of conductivity is constituted with the integrated punching moulding.
3. double frequency veneer symmetrical expression antenna as claimed in claim 1 is characterized in that the dimensions length of described first radiant body is the dimensions length greater than described second radiant body; And described signal body and described earth electrode are perpendicular with described pedestal respectively, and the two is separated.
4. double frequency veneer symmetrical expression antenna as claimed in claim 1 is characterized in that described antenna is to be embedded on the substrate, more is provided with on the described substrate to comprise:
At least one perforate, it is corresponding with the free end of described signal body for the position of described perforate, when the free end of described signal body was inserted and is connected in described perforate, it was the upper surface that is posted by described substrate for the pedestal of described antenna, and the signal body is electrically connected with described control circuit;
One control circuit provides the wireless network transmissions function;
At least one feed-in line, it is to connect described control circuit and described perforate; And,
One grounding parts, it is to be electrically connected electrical ground and with pedestal.
5. the radio network device with double frequency veneer symmetrical expression antenna is characterized in that, includes:
One substrate is made of dielectric material, and described substrate is to have two perforates;
One control circuit is arranged on the described substrate, and the wireless network transmissions function is provided;
One grounding parts, it is a part of zone that is covered in described substrate electrical ground and at least;
At least one feed-in line, it is to be connected by described grounding parts and with control circuit; And
One antenna, described antenna more includes:
One pedestal; And
Two antenna parts, each antenna part has a Department of Radiation, an earth electrode and a signal body, described earth electrode is to be incorporated on the described pedestal, described Department of Radiation is to be connected with described earth electrode, parallel with described pedestal, and described signal body is connected with described Department of Radiation, first radiant body and second radiant body are located at two sides respectively, and an outer arm body of described first radiant body extends to the outer rim of described second radiant body, and be separated with described second radiant body, described signal body has a free end and is connected with described perforate.
6. the radio network device with double frequency veneer symmetrical expression antenna as claimed in claim 5 is characterized in that described antenna is constituted with the integrated punching moulding by the sheet metal with conductivity.
7. the radio network device with double frequency veneer symmetrical expression antenna as claimed in claim 5 is characterized in that the dimensions length of described first radiant body is the dimensions length greater than described second radiant body; And described signal body and described earth electrode are perpendicular with described pedestal respectively, and the two is separated.
8. the radio network device with double frequency veneer symmetrical expression antenna as claimed in claim 5 is characterized in that, the free end of described signal body is to be separated with described pedestal.
9. the radio network device with double frequency veneer symmetrical expression antenna as claimed in claim 5 is characterized in that, the described earth electrode described grounding parts that reclines.
10. the radio network device with double frequency veneer symmetrical expression antenna as claimed in claim 5 is characterized in that, described feed-in line is to be connected with described perforate, and described signal body is electrically connected with described control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200027353U CN201018480Y (en) | 2007-02-01 | 2007-02-01 | Dual-frequency veneer symmetrical antenna and device with the wireless network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200027353U CN201018480Y (en) | 2007-02-01 | 2007-02-01 | Dual-frequency veneer symmetrical antenna and device with the wireless network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201018480Y true CN201018480Y (en) | 2008-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200027353U Expired - Fee Related CN201018480Y (en) | 2007-02-01 | 2007-02-01 | Dual-frequency veneer symmetrical antenna and device with the wireless network |
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|---|---|
| CN (1) | CN201018480Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780071A (en) * | 2011-05-10 | 2012-11-14 | 鸿富锦精密工业（深圳）有限公司 | Three-dimensional antenna |
| CN102881992A (en) * | 2011-07-12 | 2013-01-16 | 智易科技股份有限公司 | Inverted f antenna structure |
-
2007
- 2007-02-01 CN CNU2007200027353U patent/CN201018480Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780071A (en) * | 2011-05-10 | 2012-11-14 | 鸿富锦精密工业（深圳）有限公司 | Three-dimensional antenna |
| TWI469441B (en) * | 2011-05-10 | 2015-01-11 | Hon Hai Prec Ind Co Ltd | Solid antenna |
| CN102881992A (en) * | 2011-07-12 | 2013-01-16 | 智易科技股份有限公司 | Inverted f antenna structure |
| CN102881992B (en) * | 2011-07-12 | 2015-12-02 | 智易科技股份有限公司 | Inverted F shaped antenna structure |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080206 Termination date: 20140201 |