CN200969392Y - Multi-frequency antenna - Google Patents
Multi-frequency antenna Download PDFInfo
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- CN200969392Y CN200969392Y CN 200620121272 CN200620121272U CN200969392Y CN 200969392 Y CN200969392 Y CN 200969392Y CN 200620121272 CN200620121272 CN 200620121272 CN 200620121272 U CN200620121272 U CN 200620121272U CN 200969392 Y CN200969392 Y CN 200969392Y
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- plane
- multifrequency antenna
- electronic installation
- antenna
- coupling assembling
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Abstract
The utility model is a multi-frequency antenna arranged on the shell of electronic device for transferring radio signal. The multi-frequency antenna includes a radiation component, a grounding component, a connecting component and a parasitic component, the connecting component connects the radiation component and the grounding component. The grounding component includes a first plane, a second plane and a third plane, and the third plane is perpendicularly connected to the first plane and the second plane. The surface area of the second plane is larger than the surface area of the first plane, so the grounding area of the multi-frequency is increased. The parasitic component is arranged on the end of the first plane in the multi-frequency antenna, and the parasitic component is perpendicularly connected to the first plane, so the bandwidth of the multi-frequency antenna is increased.
Description
Technical field
The utility model is about a kind of multifrequency antenna, particularly relevant for a kind of multifrequency antenna that has parasitic element and enlarge contact area.
Background technology
Along with the development of wireless communication technique, many electronic installations that wireless communication function is provided have appearred now on the market.And except the product of mobile communication such as mobile phone and notebook, desktop PC also extensively utilizes wireless communication technique to come transmission information.Simultaneously, have wireless communication function in order to make these electronic installations, prior art openly has been applicable to the antenna of these electronic installations.Formerly in the middle of the technology, this electronic installation usually can be external as devices such as wireless network cards, is used as the usefulness of transmitting wireless signals, but when the user will use wireless network communication thus, will bear an extra-pay and purchase wireless network card.
Prior art also discloses a kind of relevant antenna.Below please refer to the antenna 90 of Figure 1A about prior art, it has a radiation assembly 91, a coupling assembling 92 and a grounding assembly 93.Wherein, coupling assembling 92 has one first end 921 and one second end 922; And first end 921 of coupling assembling 92 is connected to radiation assembly 91, the second ends 922 and is connected to grounding assembly 93.
Then, please refer to the usefulness of the different frequency that Figure 1B measured about the antenna 90 of foundation prior art.As shown in Figure 1B, when low frequency 2.4GHz～2.5GHz, the usefulness of the antenna 90 of prior art is about 50%, and when high frequency 5.15GHz～5.85GHz, the usefulness of the antenna 90 of prior art then only is about 40%.
Therefore, if can design a kind of antenna that has than the better usefulness of prior art, and with this antenna applications on electronic installations such as desktop PC, so can save and set up the required cost of wireless telecommunication system.
The utility model content
Main purpose of the present utility model is to provide a kind of multifrequency antenna and application thereof, makes this multifrequency antenna can promote frequency range and radiation efficiency.
For reaching above-mentioned purpose, the utility model provides a kind of multifrequency antenna, and it comprises:
One radiation assembly;
One grounding assembly, it comprises one first plane, one second plane and one the 3rd plane;
One coupling assembling comprises one first end and one second end, and this first end is connected to this radiation assembly, and this second end is connected to this first plane; It is characterized in that,
Second plane is vertical is connected with this first plane and this respectively on described the 3rd plane, so that a cross section of this grounding assembly is a ㄈ font, and this antenna also comprises
One parasitic element is arranged on the end on this first plane, and first plane is vertical is connected with this.
Because grounding assembly presents crooked shape, make radiation assembly increase, and make multifrequency antenna of the present utility model promote usefulness to the height between second plane.
In addition, the surface area on second plane of the present utility model is greater than the surface area on first plane, in order to increase the contact area of multifrequency antenna.The utility model is connected with first plane is vertical in the parasitic element of the end setting on first plane in addition, has increased the frequency range of multifrequency antenna.
Another purpose of the present utility model provides a kind of electronic installation, comprising:
One wireless signal module; And
One multifrequency antenna, it comprises:
One radiation assembly;
One grounding assembly comprises one first plane, one second plane and one the 3rd plane;
One coupling assembling comprises one first end and one second end, and this first end is connected to this radiation assembly, and this second end is connected to this first plane; It is characterized in that,
Second plane is vertical is connected with this first plane and this respectively on wherein said the 3rd plane, so that a cross section of this grounding assembly is a ㄈ font, and this antenna also comprises
One parasitic element is arranged on the end on this first plane, and first plane is vertical is connected with this.
In addition, multifrequency antenna of the present utility model can directly or indirectly be arranged on the metal flat, utilizes second plane and metal flat chimeric, with the contact area of increase multifrequency antenna, and then the frequency range of increase multifrequency antenna.Moreover second plane can wait other chimeric mode to combine with metal flat with screw or welding.
Moreover in embodiment of the present utility model, multifrequency antenna can be arranged on the housing of electronic equipment, utilizes the earth terminal of the housing of electronic equipment as multifrequency antenna.Present embodiment also can or reduce the quantity of multifrequency antenna or the installation position of change multifrequency antenna according to different increases in demand.
The utility model structure is novel, can provide on the industry and utilize, and truly have the effect of promoting effect.
Description of drawings
Figure 1A is the antenna stereogram of prior art.
Figure 1B is according to Figure 1A, shows its usefulness at different frequency.
Fig. 2 A is a multifrequency antenna stereogram of the present utility model
Fig. 2 B is according to Fig. 2 A, shows that its voltage standing wave ratio at different frequency changes.
Fig. 3 A is that multifrequency antenna of the present utility model is not set directly at the schematic diagram on the metal flat.
Fig. 3 B is according to Fig. 3 A, shows its usefulness at different frequency.
Fig. 4 A is that multifrequency antenna of the present utility model is set directly at the schematic diagram on the metal flat.
Fig. 4 B is according to Fig. 4 A, shows its usefulness at different frequency
Fig. 5 is arranged on the schematic diagram in housing the place ahead of electronic installation for multifrequency antenna of the present utility model.
Fig. 6 is arranged on the schematic diagram of the housing top of electronic installation for multifrequency antenna of the present utility model.
Fig. 7 A, Fig. 7 B and Fig. 7 C are the embodiment according to Fig. 5, show the radiation pattern on its x-z, z-y and x-y plane when low frequency.
Fig. 8 A, Fig. 8 B and Fig. 8 C are the embodiment according to Fig. 5, show the radiation pattern on its x-z, z-y and x-y plane when high frequency.
Fig. 9 is system's block schematic diagram of electronic installation of the present utility model.
The explanation of assembly conventional letter
92 coupling assemblings, 93 grounding assemblies
921 first ends, 922 second ends
10 multifrequency antennas, 21 radiation assemblies
22 grounding assemblies, 221 first planes
The 3rd plane, 222 second planes 223
23 coupling assemblings, 231 first ends
232 second ends, 233 load points
31 parasitic element, 41 metal flats
42 plastic surfaces, 50 electronic installations
51 housings, 52 wireless signal modules
Embodiment
For above and other objects of the present invention, feature and advantage can be become apparent, the embodiment of multifrequency antenna cited below particularly and multifrequency antenna are applied to the embodiment of electronic installation, and conjunction with figs., are described in detail below.
Please refer to Fig. 2 A about multifrequency antenna 10 of the present utility model.Shown in Fig. 2 A, multifrequency antenna 10 of the present utility model is a kind of dull and stereotyped inverted F shaped antenna (PIFA).Multifrequency antenna 10 comprises radiation assembly (radiating element) 21, grounding assembly (grounding element) 22, coupling assembling (connecting element) 23 and parasitic element (parasitic element) 31.Wherein coupling assembling 23 comprises first end 231 and second end 232.Grounding assembly 22 comprises first plane 221, second plane 222 and the 3rd plane 223, and the 3rd plane 223 respectively with first plane 221 and 222 vertical being connected of second plane, make the truncation surface essence of grounding assembly 22 integral body slightly be the stereochemical structure of a ㄈ font.And the surface area on second plane 222 is greater than the surface area on first plane 221, in order to increase the contact area of multifrequency antenna 10.Radiation assembly 21 can be the metallic plate of strip, and when current fed, radiation assembly 21 can pass through electric current exciting radiation energy.
Shown in Fig. 2 A, first end 231 of coupling assembling 23 electrically connects radiation assembly 21, and second end 232 electrically connects first plane 221 of grounding assembly 22.In addition, first end 231 is perpendicular to one another with radiation assembly 21 and is connected, and second end 232 is perpendicular to one another with first plane 221 and is connected, so that multifrequency antenna 10 forms a three-dimensional structure.And because the curved shape of grounding assembly 22, make that the height between radiation assembly 21 to second planes 222 increases to some extent compared to the prior art of Figure 1A, and can make multifrequency antenna 10 promote radiation efficiencies.Coupling assembling 23 comprises a load point (feedingpoint) 233, and it omits evagination in first end 231 of coupling assembling 23.By load point 233, a feed-in line (figure does not show) can be electrically connected to load point 233, with the feed-in electric current, and make radiation assembly 21, for example the wireless signal of reception or about 2.4GHz of tranmitting frequency and 5GHz by electric current exciting radiation energy.Multifrequency antenna 10 end on first plane 221 in addition is provided with parasitic element 31, this parasitic element 31 and 221 vertical being connected of first plane.Parasitic element 31 can increase the frequency range of multifrequency antenna 10, and its relevant frequency range measurement result please refer to Fig. 2 B, and Fig. 2 B shows that the multifrequency antenna 10 according to Fig. 2 A changes in the voltage standing wave ratio (VSWR) of different frequency.
In addition, multifrequency antenna 10 of the present utility model can be arranged on the housing of an electronic installation, and enlarges the contact area of multifrequency antenna 10, so that multifrequency antenna 10 promotes usefulness.Be arranged on the antenna performance difference that is produced on the housing of electronic installation in order to compare multifrequency antenna 10, following spy enumerates two related embodiment comparative descriptions respectively.
At first, please refer to Fig. 3 A, Fig. 3 A is the schematic diagram on the metal flat 41 of the multifrequency antenna 10 of the present utility model housing that is not set directly at electronic installation.In the present embodiment, multifrequency antenna 10 directly is not connected with metal flat 41, but utilize its second plane 222 to be connected with an intermediate layer (a for example plastic surface 42), plastic surface 42 is connected with metal flat 41 again, and its mode that is connected can be used screw or alternate manner combination.Be noted that Fig. 3 A just illustrates multifrequency antenna 10 of the present utility model directly not to be connected with metal flat 41, so the connected mode of multifrequency antenna 10 by plastic surface 42 can other indirect connected mode replace also.Fig. 3 B shows the usefulness of the multifrequency antenna 10 of the indirect connected mode of this kind.Shown in Fig. 3 B, in the present embodiment, the usefulness of multifrequency antenna 10 when low frequency 2.4GHz～2.5GHz is about 54%, and the usefulness when high frequency 5.15GHz～5.85GHz is about 40%.Compared to the antenna 90 of the prior art of Figure 1B, the usefulness when multifrequency antenna 10 of the present utility model is connected to metal flat 41 indirectly slightly is better than the usefulness of the antenna 90 of prior art.
Then, please refer to Fig. 4 A, Fig. 4 A is that multifrequency antenna of the present utility model is set directly at the schematic diagram on the metal flat 41.In the present embodiment, multifrequency antenna 10 is set directly on the metal flat 41, and utilizes second plane 222 and metal flat 41 chimeric contact areas with expansion multifrequency antenna 10, and then increases the frequency range of multifrequency antenna 10.Be noted that herein second plane 222 can combine with metal flat 41 with modes such as screw or welding, the utility model does not limit it must utilize chimeric mode.Fig. 4 B shows the usefulness of the multifrequency antenna 10 of the direct connected mode of this kind.Shown in Fig. 4 B, it is about 60% that the usefulness of multifrequency antenna 10 when low frequency 2.4GHz～2.5GHz is about, and the usefulness when high frequency 5.15GHz～5.85GHz is about 50%.Usefulness when multifrequency antenna 10 is connected with metal flat 41 indirectly in the antenna 90 of the prior art of Figure 1B and Fig. 3 B, multifrequency antenna 10 of the present invention directly contacts measured usefulness with metal flat 41 and is better than the multifrequency antenna 90 of prior art and the usefulness of multifrequency antenna 10 and metal flat 41 indirect contacts significantly.
Then, please refer to the embodiment that multifrequency antenna 10 of the present utility model is applied to electronic installation.Please refer to Fig. 5 and Fig. 6 are arranged on the housing 51 of electronic installation 50 about multifrequency antenna 10 of the present utility model embodiment.In this embodiment, electronic installation 50 is a desktop PC, but the utility model is not as limit.As Fig. 5 and shown in Figure 6, multifrequency antenna 10 utilizes second plane 222 to be embedded on the housing 51, is the part of multifrequency antenna 10 earth terminals and housing 51 is used as, and with the contact area of expansion multifrequency antenna 10, thereby increases usefulness.
As Fig. 5 and shown in Figure 6, multifrequency antenna 10 of the present utility model can be arranged on the place ahead (as shown in Figure 5) or the top (as shown in Figure 6) of housing 51 according to situation.In addition, can be again on the housing 51 cover multifrequency antenna 10 with other device construction (figure does not show).Moreover present embodiment also can or reduce the quantity of multifrequency antenna 10 or change the installation position of multifrequency antenna 10 according to different increases in demand, so the utility model does not exceed with the quantity and the installation position of Fig. 5 and multifrequency antenna 10 shown in Figure 6.Fig. 7 A to Fig. 7 C and Fig. 8 A to Fig. 8 C promptly show the embodiment according to Fig. 5, the radiation pattern on multifrequency antenna 10 of the present utility model x-z, z-y and x-y plane when low frequency and during high frequency.
At last, please refer to Fig. 9, it is system's block schematic diagram of electronic installation 50 of the present utility model.As shown in Figure 9, after multifrequency antenna 10 is fixed on the housing 51, the utility model can utilize a feed-in line to electrically connect multifrequency antenna 10 (for example the feed-in electric current is to load point 233) and wireless signal module 52, to handle the signal of multifrequency antenna 10 by wireless signal module 52, for example launch or received signal.Thus, electronic installation 50 just can receive or transmit the device (figure do not show) of wireless signal to other by multifrequency antenna 10, to reach the purpose of wireless telecommunications.
In sum, no matter the utility model is with regard to purpose, means and effect, show that all it is different from the feature of conventional art, it should be noted, above-mentioned many embodiment only give an example for convenience of explanation, the interest field that the utility model is advocated should be as the criterion so that claims are described certainly, but not only limits to the foregoing description.
Claims (16)
1. multifrequency antenna comprises:
One radiation assembly;
One grounding assembly, it comprises one first plane, one second plane and one the 3rd plane;
One coupling assembling comprises one first end and one second end, and this first end is connected to this radiation assembly, and this second end is connected to this first plane; It is characterized in that,
Second plane is vertical is connected with this first plane and this respectively on described the 3rd plane, so that a cross section of this grounding assembly is a ㄈ font, and this antenna also comprises
One parasitic element is arranged on the end on this first plane, and first plane is vertical is connected with this.
2. multifrequency antenna according to claim 1 is characterized in that the surface area on this second plane is greater than the surface area on this first plane.
3. multifrequency antenna according to claim 1 is characterized in that, this multifrequency antenna is arranged on the housing of an electronic installation, and utilizes this second plane of this grounding assembly to be connected with this housing.
4. multifrequency antenna according to claim 3 is characterized in that, this second plane is connected with a metal flat of this housing.
5. multifrequency antenna according to claim 3 is characterized in that, this electronic installation is a desktop PC.
6. multifrequency antenna according to claim 1 is characterized in that, this radiation assembly is perpendicular to one another with first end of this coupling assembling and is connected.
7. multifrequency antenna according to claim 1 is characterized in that, this first plane is perpendicular to one another with second end of this coupling assembling and is connected.
8. multifrequency antenna according to claim 1 is characterized in that this coupling assembling comprises a load point, and this load point omits evagination in first end of this coupling assembling.
9. electronic installation comprises:
One wireless signal module; And
One multifrequency antenna, it comprises:
One radiation assembly;
One grounding assembly comprises one first plane, one second plane and one the 3rd plane;
One coupling assembling comprises one first end and one second end, and this first end is connected to this radiation assembly, and this second end is connected to this first plane; It is characterized in that,
Second plane is vertical is connected with this first plane and this respectively on wherein said the 3rd plane, so that a cross section of this grounding assembly is a ㄈ font, and this antenna also comprises
One parasitic element is arranged on the end on this first plane, and first plane is vertical is connected with this.
10. electronic installation according to claim 9 is characterized in that the surface area on this second plane is greater than the surface area on this first plane.
11. electronic installation according to claim 9 is characterized in that, this multifrequency antenna is arranged on the housing of this electronic installation, and utilizes this second plane to be connected with this housing.
12. electronic installation according to claim 11 is characterized in that, this second plane is connected with a metal flat of this housing.
13. electronic installation according to claim 9 is characterized in that, this electronic installation is a desktop PC.
14. electronic installation according to claim 9 is characterized in that, this radiation assembly is perpendicular to one another with first end of this coupling assembling and is connected.
15. electronic installation according to claim 9 is characterized in that, this first plane is perpendicular to one another with second end of this coupling assembling and is connected.
16. electronic installation according to claim 9 is characterized in that, this coupling assembling comprises a load point, and this load point omits evagination in first end of this coupling assembling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620121272 CN200969392Y (en) | 2006-07-25 | 2006-07-25 | Multi-frequency antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620121272 CN200969392Y (en) | 2006-07-25 | 2006-07-25 | Multi-frequency antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200969392Y true CN200969392Y (en) | 2007-10-31 |
Family
ID=38968969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620121272 Expired - Fee Related CN200969392Y (en) | 2006-07-25 | 2006-07-25 | Multi-frequency antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200969392Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340050A (en) * | 2010-07-16 | 2012-02-01 | 富士康(昆山)电脑接插件有限公司 | Multi-frequency antenna and multi-frequency antenna array |
| CN103811853A (en) * | 2012-11-14 | 2014-05-21 | 仁宝电脑工业股份有限公司 | multi-frequency antenna |
-
2006
- 2006-07-25 CN CN 200620121272 patent/CN200969392Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340050A (en) * | 2010-07-16 | 2012-02-01 | 富士康(昆山)电脑接插件有限公司 | Multi-frequency antenna and multi-frequency antenna array |
| CN103811853A (en) * | 2012-11-14 | 2014-05-21 | 仁宝电脑工业股份有限公司 | multi-frequency antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20071031 |