CN204375944U - A kind of resonant ring structure and antenna - Google Patents
A kind of resonant ring structure and antenna Download PDFInfo
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- CN204375944U CN204375944U CN201520038283.9U CN201520038283U CN204375944U CN 204375944 U CN204375944 U CN 204375944U CN 201520038283 U CN201520038283 U CN 201520038283U CN 204375944 U CN204375944 U CN 204375944U
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- resonant ring
- medium substrate
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- resonant
- ring structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
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Abstract
The utility model embodiment discloses a kind of resonant ring structure and antenna, and described resonant ring structure comprises the slotted ring in the radiation patch being positioned at medium substrate side and is attached at least one resonant ring of medium substrate opposite side.
Description
Technical field
The utility model relates to microwave technology, particularly relates to a kind of resonant ring structure and antenna.
Background technology
Cordless communication network develops into present 3G full range and LTE full range, even more wide-band from original 2G.In order to meet the demand of existing various wireless communication network, most of Wireless Telecom Equipment all adopts multifrequency antenna and multiband filter.
At present, the method realizing multifrequency antenna is included in groove radiation patch being opened various shape, introduces electromagnetic field band gap (Electromagnetic Band Gap, EBG) structure, or adopts defect ground structure to slot on ground plate; The common method realizing multifrequency stop-band filter is included in original filter basis and adds band resistance unit, compound left/right hand transmission of materials line is used to replace traditional microstrip transmission line to produce stopband characteristic, use the step electric impedance resonator on two rank or three rank to design band stop filter, or adopt split ring resonator (Split Ring Resonators, SRR) resonant ring structure etc.
But all there is following open defect in the above-mentioned various method realizing multifrequency antenna or multifrequency stop-band filter: 1) bandwidth of rejection is narrower and uncontrollable; 2) stopband rejection ability is not strong, is difficult to realize many stopband characteristics; 3) processing is comparatively complicated, size is large, is not easy to expansion.
Utility model content
In view of this, the utility model embodiment is expected to provide a kind of resonant ring structure and antenna, and structure is simple, is convenient to expansion, can meet antenna or filter to multifrequency, miniature requirement while, make the Out-of-band rejection ability that antenna or filter reach stronger.
For achieving the above object, the technical scheme of the utility model embodiment is achieved in that
The utility model embodiment provides a kind of resonant ring structure, and described resonant ring structure comprises: be positioned at the slotted ring in the radiation patch of medium substrate side and at least one resonant ring being attached at medium substrate opposite side.
In such scheme, described in be attached at medium substrate opposite side at least one resonant ring comprise two resonant rings.
In such scheme, described resonant ring is complementary openings resonant ring.
In such scheme, the shape of described resonant ring is any one in square, rectangle, hexagon, triangle or circle.
The utility model embodiment also provides a kind of antenna, and described antenna comprises: the radiation patch of medium substrate, medium substrate side, be deployed in medium substrate top layer microstrip feed line, for the short circuit post that connects microstrip feed line and radiation patch and the resonant ring structure be made up of the slotted ring be positioned in radiation patch and at least one resonant ring of being attached at medium substrate opposite side.
In such scheme, the shape of described radiation patch is any one in rhombus, triangle, rectangle or circle.
The resonant ring structure that the utility model embodiment provides and antenna, described resonant ring structure comprises the slotted ring in the radiation patch being positioned at medium substrate side and is attached at least one resonant ring of medium substrate opposite side.So, not only structure is simple, is convenient to expansion; And, different coupling effects can be produced by the distance described in reasonable adjusting between slotted ring and resonant ring and respective length, thus meet antenna or filter to multifrequency, miniaturized demand, the Out-of-band rejection ability that simultaneously antenna or filter can also be made to reach stronger.
Accompanying drawing explanation
Fig. 1 is the composition structural representation of the utility model embodiment resonant ring structure;
Fig. 2 is the composition structural representation of the utility model embodiment antenna;
Fig. 3 is the fabric schematic diagram of the utility model embodiment antenna;
Fig. 4 is the top level structure schematic diagram of the utility model embodiment antenna;
Fig. 5 is the vertical view of the utility model embodiment antenna.
Embodiment
In the utility model embodiment, resonant ring structure comprises the slotted ring in the radiation patch being positioned at medium substrate side and is attached at least one resonant ring of medium substrate opposite side.
Wherein, the structure of described slotted ring is by magnetic excitation, that is: under suitable magnetic excitation pattern, described slotted ring can present negative effective permeability near resonance frequency; And described resonant ring is excited by electric field, that is: under suitable electric field excitation pattern, described resonant ring can present negative effective permeability near resonance frequency.Like this, by adjusting described slotted ring and resonant ring electrical length separately, when both electrical length just equal the half-wavelength of required frequency, will resonance be produced, obtaining second resonance frequency except natural resonance frequency; Again by the described slotted ring of adjustment and resonant ring distance between the two, when the distance when between the two constantly changes, also can be coupled out the 3rd resonance frequency, the stopband that generation one is new simultaneously.
Further, described in be attached at medium substrate opposite side at least one resonant ring comprise two resonant rings, that is: be attached at another resonant ring of extending out near a resonant ring of medium substrate opposite side.Like this, when the close together of described two resonant rings, bandwidth of rejection can be increased; When the distance of described two resonant rings is slightly far away, the 4th resonance frequency can be coupled out, produces the stopband that another is new simultaneously.In addition, bandwidth of rejection and Out-of-band rejection ability can be regulated according to the stiffness of coupling between described two resonant rings.
So, compared with the common resonant ring structure that can only produce a resonance frequency, described in the utility model embodiment, resonant ring structure is under identical size, four resonance frequencys can be produced as required, and the bandwidth of resonance band can be regulated well, therefore, it is possible to realize specific electrical length in less physical length, the unwanted frequency range of filtering.If when described resonant ring structure being applied in the design of antenna or filter, the size of antenna or filter can be effectively reduced, meet antenna or filter to the demand of multiband; Meanwhile, interference problem between the frequency range brought when can solve other data services of successive bands transmitting, thus improve Out-of-band rejection ability.
Below in conjunction with drawings and the specific embodiments, the utility model is further described in more detail.
Fig. 1 is the composition structural representation of the utility model embodiment resonant ring structure, as shown in Figure 1, described resonant ring structure comprises: be positioned at the slotted ring 11 in the radiation patch 22 of medium substrate 21 side and the resonant ring 12 being attached at medium substrate 21 opposite side.
Further, in one embodiment, as shown in Figure 1, described resonant ring structure also comprises another resonant ring 13 being attached at medium substrate 21 opposite side.
Wherein, described resonant ring 12 and resonant ring 13 can be set to complementary openings resonant ring.Like this, utilize resonant ring structure as shown in Figure 1, when the electrical length of both described slotted ring 11 and resonant ring 12 just equals the half-wavelength of required frequency, will resonance be produced, obtain second resonance frequency except natural resonance frequency; Again by the described slotted ring 11 of adjustment and resonant ring 12 distance between the two, when the distance when between the two constantly changes, also can be coupled out the 3rd resonance frequency, the stopband that generation one is new simultaneously.When the close together of described resonant ring 12 and resonant ring 13, bandwidth of rejection can be increased; When the distance of described resonant ring 12 and resonant ring 13 is slightly far away, the 4th resonance frequency can be coupled out, produces the stopband that another is new simultaneously.In addition, bandwidth of rejection and Out-of-band rejection ability can be regulated according to the stiffness of coupling between described resonant ring 12 and resonant ring 13.
Here, the shape of described resonant ring 12 and resonant ring 13 can be any one in square, rectangle, hexagon, triangle or circle.
Fig. 2 is the composition structural representation of the utility model embodiment antenna, as shown in Figure 2, described antenna comprises: the radiation patch 22 of medium substrate 21, medium substrate 21 side, be deployed in medium substrate 21 top layer microstrip feed line 23, for the short circuit post 24 that connects microstrip feed line 23 and radiation patch 22 and the resonant ring structure be made up of the slotted ring 11 be positioned in radiation patch 22 and a resonant ring 12 being attached at medium substrate 21 opposite side.
In one embodiment, as shown in Figure 2, described resonant ring structure also comprises another resonant ring 13 being attached at medium substrate 21 opposite side.
Wherein, described resonant ring 12 and resonant ring 13 can be set to complementary openings resonant ring.
Here, the shape of described resonant ring 12 and resonant ring 13 can be any one in square, rectangle, hexagon, triangle or circle; The shape of described radiation patch 22 can be any one in rhombus, triangle, rectangle or circle; The material of described medium substrate 21 can be any one in polytetrafluoroethylene fibre glass plate or epoxy-fiberglass plate.
It should be noted that, in order to embody the structure of described antenna better, will the end (bottom) layer of medium substrate 21 side as antenna of radiation patch 22 be pasted with, and be illustrated in figure 3 the fabric schematic diagram of described antenna; To top (top) layer of medium substrate 21 opposite side as antenna of resonant ring 12 and resonant ring 13 be pasted with, be illustrated in figure 4 the top level structure schematic diagram of described antenna.In addition, Figure 5 shows that the vertical view of described antenna.
Like this, as shown in Figure 2, described antenna arrives radiation patch 22 from microstrip feed line 23 through short circuit post 24, the coupling capacitance of the inductance of described short circuit post 24 self and microstrip feed line 23 and radiation patch 22 generation, and the coupling capacitance that the fluting between the ground plate 8 of radiation patch 22 and antenna place wireless terminal 9 produces offsets, thus extend bandwidth; In radiation patch 22, slotted ring 11 constitutes described resonant ring structure jointly with the resonant ring 12 being attached at medium substrate 21 opposite side.Wherein, the length that described slotted ring 11 is respective with resonant ring 12 and distance are between the two adjustable, so can obtain required frequency range by the coupling between described slotted ring 11 and resonant ring 12.
In an application example, the material of described medium substrate 21 is polytetrafluoroethylene, dielectric constant is 4.2, the overall dimensions of antenna is 25mm*15mm, the frequency range of whole Antenna Operation can from low frequency 1.5GHz to high frequency 5GHz, wherein, described slotted ring 11 and the respective length of described resonant ring 12 equal 18mm and 10mm respectively, distance is between the two 4.5mm, like this, the frequency range that Antenna Operation is requiring can be made, thus filtering such as WLAN (Wireless Local Area Networks, WLAN) other network is to the interference of wireless terminal 9 belonging to described antenna.
In actual applications, the resonant ring structure shown in Fig. 1 can be applied in filter, and in this case, described filter, except comprising self original basic structure part, also comprises the composition of resonant ring structure as shown in Figure 1.Like this, by resonant ring structure described in the utility model embodiment is applied to filter, effectively can reduce the size of filter, meet the demand of filter to multiband; Meanwhile, interference problem between the frequency range brought when can solve other data service of successive bands transmitting, thus improve Out-of-band rejection ability.
The above, be only preferred embodiment of the present utility model, is not intended to limit protection range of the present utility model.
Claims (9)
1. a resonant ring structure, is characterized in that, described resonant ring structure comprises: be positioned at the slotted ring in the radiation patch of medium substrate side and at least one resonant ring being attached at medium substrate opposite side.
2. resonant ring structure according to claim 1, is characterized in that, described in be attached at medium substrate opposite side at least one resonant ring comprise two resonant rings.
3. resonant ring structure according to claim 1 and 2, is characterized in that, described resonant ring is complementary openings resonant ring.
4. resonant ring structure according to claim 1 and 2, is characterized in that, the shape of described resonant ring is any one in square, rectangle, hexagon, triangle or circle.
5. an antenna, it is characterized in that, described antenna comprises: the radiation patch of medium substrate, medium substrate side, be deployed in medium substrate top layer microstrip feed line, for the short circuit post that connects microstrip feed line and radiation patch and the resonant ring structure be made up of the slotted ring be positioned in radiation patch and at least one resonant ring of being attached at medium substrate opposite side.
6. antenna according to claim 5, is characterized in that, the shape of described radiation patch is any one in rhombus, triangle, rectangle or circle.
7. antenna according to claim 5, is characterized in that, described in be attached at medium substrate opposite side at least one resonant ring comprise two resonant rings.
8. the antenna according to any one of claim 5 to 7, is characterized in that, described resonant ring is complementary openings resonant ring.
9. the antenna according to any one of claim 5 to 7, is characterized in that, the shape of described resonant ring is any one in square, rectangle, hexagon, triangle or circle.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520038283.9U CN204375944U (en) | 2015-01-20 | 2015-01-20 | A kind of resonant ring structure and antenna |
| PCT/CN2015/082188 WO2016115822A1 (en) | 2015-01-20 | 2015-06-24 | Ring resonator structure and antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520038283.9U CN204375944U (en) | 2015-01-20 | 2015-01-20 | A kind of resonant ring structure and antenna |
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| Publication Number | Publication Date |
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| CN204375944U true CN204375944U (en) | 2015-06-03 |
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| CN201520038283.9U Active CN204375944U (en) | 2015-01-20 | 2015-01-20 | A kind of resonant ring structure and antenna |
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| CN (1) | CN204375944U (en) |
| WO (1) | WO2016115822A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016115822A1 (en) * | 2015-01-20 | 2016-07-28 | 中兴通讯股份有限公司 | Ring resonator structure and antenna |
| CN106602256A (en) * | 2016-12-13 | 2017-04-26 | 广东工业大学 | Circularly polarized patch antenna for medical detection |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994321B (en) * | 2017-11-07 | 2020-02-18 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | Double-frequency dipole antenna with split resonant ring |
| CN116231314B (en) * | 2023-04-27 | 2023-08-15 | 北京智芯微电子科技有限公司 | Electromagnetic environment measuring antenna combined with two-dimensional material |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201149898Y (en) * | 2008-01-18 | 2008-11-12 | 东南大学 | Multiple stop band ultra-broadband disc antenna |
| CN203339305U (en) * | 2013-04-11 | 2013-12-11 | 中国计量学院 | Annular double-frequency micro-strip antenna with slot-type back |
| CN104466399B (en) * | 2013-09-22 | 2019-03-05 | 中兴通讯股份有限公司 | Method, the mobile terminal of a kind of microstrip antenna and its filtering interference signals |
| CN204375944U (en) * | 2015-01-20 | 2015-06-03 | 中兴通讯股份有限公司 | A kind of resonant ring structure and antenna |
-
2015
- 2015-01-20 CN CN201520038283.9U patent/CN204375944U/en active Active
- 2015-06-24 WO PCT/CN2015/082188 patent/WO2016115822A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016115822A1 (en) * | 2015-01-20 | 2016-07-28 | 中兴通讯股份有限公司 | Ring resonator structure and antenna |
| CN106602256A (en) * | 2016-12-13 | 2017-04-26 | 广东工业大学 | Circularly polarized patch antenna for medical detection |
Also Published As
| Publication number | Publication date |
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| WO2016115822A1 (en) | 2016-07-28 |
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