CN204857946U - Small -size dual -frenquency microstrip antenna - Google Patents
Small -size dual -frenquency microstrip antenna Download PDFInfo
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- CN204857946U CN204857946U CN201520420217.8U CN201520420217U CN204857946U CN 204857946 U CN204857946 U CN 204857946U CN 201520420217 U CN201520420217 U CN 201520420217U CN 204857946 U CN204857946 U CN 204857946U
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- rectangular channel
- gap
- microstrip antenna
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- dielectric
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Abstract
The application discloses small -size dual -frenquency microstrip antenna, including the dielectric plate, formed at the radiation paster on dielectric plate no. 1 surface, formed at another surperficial ground connection portion of dielectric plate and connection are in coaxial probe between radiation paster and the ground connection portion, the gap has been seted up on the paster in the radiation, this gap include the symmetric distribution in first gap and second gap on the radiation paster, first gap include first rectangular channel and with the terminal intercommunication of first rectangular channel just is the second rectangular channel of 75 contained angles with first rectangular channel, the second gap include the third rectangular channel and with the terminal intercommunication of third rectangular channel just is the fourth rectangular channel of 75 contained angles with the third rectangular channel, first rectangular channel and third rectangular channel are parallel. The utility model discloses the antenna has the dual -frenquency characteristic, and the size is little moreover.
Description
Technical field
The application belongs to wireless communication technology field, particularly relates to a kind of small sized double frequency microstrip antenna.
Background technology
Wireless domain is worked out for the different market demands and application model different standards, as being applied to the IEEE802.16 standard of WLAN, also known as micro-wave access global inter communication (WorldInteroperabilityforMicrowaveAccess, WiMAX).Wherein, the mobile WiMAX in IEEE802.16e comprises 2.3GHz and 2.7GHz frequency range.
In recent years, the requirement of wireless communication system to antenna is more and more higher, and the microstrip antenna of advantages such as having thin profile, volume is little, quality is little, be easy of integration obtains research and apply widely.Meanwhile, often require that multiple working frequency range coexists in modern wireless communication systems, the wireless communication system working in double frequency or multiband is an important directions of development at present.
Utility model content
The purpose of this utility model is to provide a kind of small sized double frequency microstrip antenna, to overcome deficiency of the prior art.
For achieving the above object, the utility model provides following technical scheme:
The embodiment of the present application discloses a kind of small sized double frequency microstrip antenna, comprise dielectric-slab, be formed at the radiation patch on described dielectric-slab one surface, be formed at the grounding parts on described another surface of dielectric-slab, and the coaxial probe be connected between described radiation patch and grounding parts, described radiation patch offers gap, this gap comprises and is symmetrically distributed in the first gap in described radiation patch and the second gap, described first gap comprises the first rectangular channel, and to be communicated with described first rectangular channel end and to be the second rectangular channel of 75 ° of angles with the first rectangular channel, described second gap comprises the 3rd rectangular channel, and to be communicated with described 3rd rectangular channel end and to be the 4th rectangular channel of 75 ° of angles with the 3rd rectangular channel, described first rectangular channel is parallel with the 3rd rectangular channel.
Preferably, in above-mentioned small sized double frequency microstrip antenna, described coaxial probe is between described first rectangular channel and the 3rd rectangular channel.
Preferably, in above-mentioned small sized double frequency microstrip antenna, described second rectangular channel and the 4th rectangular channel bending in opposite directions.
Preferably, in above-mentioned small sized double frequency microstrip antenna, the material of described dielectric-slab is polytetrafluoroethylene.
Compared with prior art, the utility model has the advantage of: the utility model antenna has dual frequency characteristics, and size is little.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Figure 1 shows that the vertical view of the middle-size and small-size double-frequency micro-strip antenna of the utility model specific embodiment;
Figure 2 shows that the end view of the middle-size and small-size double-frequency micro-strip antenna of the utility model specific embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be described in detail the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
Shown in ginseng Fig. 1 and Fig. 2, small sized double frequency microstrip antenna, comprise dielectric-slab 1, be formed at the radiation patch 2 on dielectric-slab one surface, be formed at the grounding parts 3 on another surface of dielectric-slab, and the coaxial probe 4 be connected between radiation patch and grounding parts, radiation patch offers gap 5, this gap comprises the first gap 51 and the second gap 52 be symmetrically distributed in radiation patch, first gap comprises the first rectangular channel 511, and to be communicated with the first rectangular channel end and to be the second rectangular channel 512 of 75 ° of angles with the first rectangular channel, second gap comprises the 3rd rectangular channel 521, and to be communicated with the 3rd rectangular channel end and to be the 4th rectangular channel 522 of 75 ° of angles with the 3rd rectangular channel, first rectangular channel is parallel with the 3rd rectangular channel.
Further, coaxial probe is between the first rectangular channel and the 3rd rectangular channel.
Further, the second rectangular channel and the 4th rectangular channel bending in opposite directions.
Further, the material of dielectric-slab is polytetrafluoroethylene.
The utility model antenna has dual frequency characteristics, and size is little.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only the embodiment of the application; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the application's principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the protection range of the application.
Claims (4)
1. a small sized double frequency microstrip antenna, it is characterized in that, comprise dielectric-slab, be formed at the radiation patch on described dielectric-slab one surface, be formed at the grounding parts on described another surface of dielectric-slab, and the coaxial probe be connected between described radiation patch and grounding parts, described radiation patch offers gap, this gap comprises and is symmetrically distributed in the first gap in described radiation patch and the second gap, described first gap comprises the first rectangular channel, and to be communicated with described first rectangular channel end and to be the second rectangular channel of 75 ° of angles with the first rectangular channel, described second gap comprises the 3rd rectangular channel, and to be communicated with described 3rd rectangular channel end and to be the 4th rectangular channel of 75 ° of angles with the 3rd rectangular channel, described first rectangular channel is parallel with the 3rd rectangular channel.
2. small sized double frequency microstrip antenna according to claim 1, is characterized in that: described coaxial probe is between described first rectangular channel and the 3rd rectangular channel.
3. small sized double frequency microstrip antenna according to claim 1, is characterized in that: described second rectangular channel and the 4th rectangular channel bending in opposite directions.
4. small sized double frequency microstrip antenna according to claim 1, is characterized in that: the material of described dielectric-slab is polytetrafluoroethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520420217.8U CN204857946U (en) | 2015-06-17 | 2015-06-17 | Small -size dual -frenquency microstrip antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520420217.8U CN204857946U (en) | 2015-06-17 | 2015-06-17 | Small -size dual -frenquency microstrip antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204857946U true CN204857946U (en) | 2015-12-09 |
Family
ID=54748470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520420217.8U Expired - Fee Related CN204857946U (en) | 2015-06-17 | 2015-06-17 | Small -size dual -frenquency microstrip antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204857946U (en) |
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2015
- 2015-06-17 CN CN201520420217.8U patent/CN204857946U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20160617 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |