CN204834878U - Dual -frenquency microstrip antenna - Google Patents
Dual -frenquency microstrip antenna Download PDFInfo
- Publication number
- CN204834878U CN204834878U CN201520421026.3U CN201520421026U CN204834878U CN 204834878 U CN204834878 U CN 204834878U CN 201520421026 U CN201520421026 U CN 201520421026U CN 204834878 U CN204834878 U CN 204834878U
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- annular slot
- ring
- rectangular
- rectangular aperture
- double
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Abstract
The application discloses dual -frenquency microstrip antenna, including the dielectric plate, formed at the metal grounding plate of dielectric plate one side and formed at the microstrip feeder of dielectric plate another side, last first ring gap and the second ring gap of seting up concentric setting of metal grounding plate, be connected with 4 first rectangle gaps between first ring gap and the second ring gap, these 4 the first equidistant ring array in rectangle gap distribute. The utility model discloses a two frequency channels of height are realized in two ring gaps, through 4 the rectangle gaps of 4 connections between two ring gaps, can improve its bandwidth so that the energy from the excircle loop coupling to interior ring, through second rectangle gap and third rectangle gap, can improve the frequency characteristic of low -frequency range.
Description
Technical field
The application belongs to wireless communication technology field, particularly relates to a kind of double-frequency micro-strip 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 double-frequency micro-strip 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 double-frequency micro-strip antenna, comprise dielectric-slab, be formed at the metal ground plate of described dielectric-slab one side and be formed at the microstrip feed line of described dielectric-slab another side, described metal ground plate offers the first annular slot and the second annular slot that arrange with one heart, 4 the first rectangular apertures are connected with, the equidistant annular array distribution of these 4 the first rectangular apertures between described first annular slot and the second annular slot.
Preferably, in above-mentioned double-frequency micro-strip antenna, the diameter of described first annular slot is less than the diameter of described second annular slot, be provided with 2 parallel the second rectangular apertures in the circular space that described first annular slot surrounds, the end of the two ends of described each second rectangular aperture first rectangular aperture described with 2 is respectively connected.
Preferably, in above-mentioned double-frequency micro-strip antenna, be connected with the 3rd rectangular aperture between described 2 the second rectangular apertures, the 3rd rectangular aperture is vertical with the second rectangular aperture.
Preferably, in above-mentioned double-frequency micro-strip antenna, described 3rd rectangular aperture is connected to the middle part of described second rectangular aperture.
Preferably, in above-mentioned double-frequency micro-strip antenna, the rectangular shape of described microstrip feed line.
Preferably, in above-mentioned double-frequency micro-strip antenna, the material of described dielectric-slab is polytetrafluoroethylene.
Compared with prior art, the utility model has the advantage of: the utility model realizes height two frequency ranges by two annular slots, 4 rectangular apertures between two annular slots are connected to by 4, energy can be made to be coupled to interior annulus from outer toroid, by the second rectangular aperture and the 3rd rectangular aperture, the frequency characteristic of low-frequency range can be improved, improve its bandwidth.
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 structural representation of double-frequency micro-strip antenna in 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, double-frequency micro-strip antenna, comprise dielectric-slab 1, be formed at the metal ground plate 2 of described dielectric-slab one side and be formed at the microstrip feed line of described dielectric-slab another side, described metal ground plate 2 offers the first annular slot 21 and the second annular slot 22 arranged with one heart, 4 the first rectangular apertures 23 are connected with, the equidistant annular array distribution of these 4 the first rectangular apertures between described first annular slot 21 and the second annular slot 22.
Further, the diameter of described first annular slot 21 is less than the diameter of described second annular slot 22, be provided with 2 parallel the second rectangular apertures 24 in the circular space that described first annular slot 21 surrounds, the end of the two ends of described each second rectangular aperture 24 first rectangular aperture 23 described with 2 is respectively connected.
Further, the 3rd rectangular aperture the 25, three rectangular aperture 25 is connected with between described 2 the second rectangular apertures 24 vertical with the second rectangular aperture 24.
Further, described 3rd rectangular aperture 25 is connected to the middle part of described second rectangular aperture 24.
Further, the rectangular shape of described microstrip feed line.
Further, the material of described dielectric-slab is polytetrafluoroethylene.
The utility model realizes height two frequency ranges by two annular slots, 4 rectangular apertures between two annular slots are connected to by 4, energy can be made to be coupled to interior annulus from outer toroid, by the second rectangular aperture and the 3rd rectangular aperture, the frequency characteristic of low-frequency range can be improved, improve its bandwidth.
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 (6)
1. a double-frequency micro-strip antenna, it is characterized in that, comprise dielectric-slab, be formed at the metal ground plate of described dielectric-slab one side and be formed at the microstrip feed line of described dielectric-slab another side, described metal ground plate offers the first annular slot and the second annular slot that arrange with one heart, 4 the first rectangular apertures are connected with, the equidistant annular array distribution of these 4 the first rectangular apertures between described first annular slot and the second annular slot.
2. double-frequency micro-strip antenna according to claim 1, it is characterized in that: the diameter of described first annular slot is less than the diameter of described second annular slot, be provided with 2 parallel the second rectangular apertures in the circular space that described first annular slot surrounds, the end of the two ends of described each second rectangular aperture first rectangular aperture described with 2 is respectively connected.
3. double-frequency micro-strip antenna according to claim 2, is characterized in that: be connected with the 3rd rectangular aperture between described 2 the second rectangular apertures, the 3rd rectangular aperture is vertical with the second rectangular aperture.
4. double-frequency micro-strip antenna according to claim 3, is characterized in that: described 3rd rectangular aperture is connected to the middle part of described second rectangular aperture.
5. double-frequency micro-strip antenna according to claim 1, is characterized in that: the rectangular shape of described microstrip feed line.
6. double-frequency micro-strip 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 |
|---|---|---|---|
| CN201520421026.3U CN204834878U (en) | 2015-06-17 | 2015-06-17 | Dual -frenquency microstrip antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520421026.3U CN204834878U (en) | 2015-06-17 | 2015-06-17 | Dual -frenquency microstrip antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204834878U true CN204834878U (en) | 2015-12-02 |
Family
ID=54692441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520421026.3U Expired - Fee Related CN204834878U (en) | 2015-06-17 | 2015-06-17 | Dual -frenquency microstrip antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204834878U (en) |
-
2015
- 2015-06-17 CN CN201520421026.3U patent/CN204834878U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20160617 |