CN209544606U - A kind of integrated antennas applied to lora frequency range - Google Patents
A kind of integrated antennas applied to lora frequency range Download PDFInfo
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- CN209544606U CN209544606U CN201920675497.5U CN201920675497U CN209544606U CN 209544606 U CN209544606 U CN 209544606U CN 201920675497 U CN201920675497 U CN 201920675497U CN 209544606 U CN209544606 U CN 209544606U
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- 230000005855 radiation Effects 0.000 claims abstract description 53
- 230000008878 coupling Effects 0.000 claims abstract description 48
- 238000010168 coupling process Methods 0.000 claims abstract description 48
- 238000005859 coupling reaction Methods 0.000 claims abstract description 48
- 230000005404 monopole Effects 0.000 claims abstract description 42
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Abstract
The utility model provides a kind of integrated antennas applied to lora frequency range, and including substrate and the radiation ontology, fed microstrip, grounding assembly and the coupling body that are set on substrate, the radiation ontology is connect with fed microstrip and coupling body respectively；The radiation ontology includes the first monopole radiation arm and the second monopole radiation arm, and the first monopole radiation arm is serpentine configuration, and serpentine configuration gap generates resonance；Second monopole radiation arm is set in the snakelike gap of the first monopole radiation arm.The utility model is by the way of monopolar form and coupled resonance, assign the bandwidth of operation that antenna has wider range, adaptability and stability are ideal, have the advantages that antenna structure is simple, small and exquisite portable, can mass production with guarantee performance stablize, sufficiently meet the growth requirement of antenna industry and the demand of user.
Description
Technical field
The utility model relates to wireless technical fields, and in particular to a kind of integrated antennas applied to lora frequency range.
Background technique
Antenna is one of the critical component for realizing radio application, and with communication, the fast development of electronics industry, antenna is
The important component indispensable as wireless device.Since the application range of wireless technology is increasingly extensive, to antenna
Demand it is increasing, it is higher and higher to the quality requirements of antenna.Lora is the low-power consumption local area network of semtech company creation
Wireless standard, feature with: compared to other wireless modes, propagation distance is farther under identical consumption conditions, than pass
The twireless radio-frequency communication distance of system expands 3~5 times, realizes low-power consumption and at a distance unification.
Existing lora band antenna is various informative, but in the presence of structure is complicated, more difficult to process, narrower bandwidth, radiation efficiency have
The general disadvantage of limit, electric property effect.In view of user to antenna appearance property require it is increasingly harsh, antenna industry just towards
Miniaturization, bandwidth, function admirable direction develop, therefore, there is an urgent need to research and develop a kind of novel lora band antenna, compare
In existing product, there is apparent competitive advantage.
Suffer from higher, tighter requirement.Miniaturization, with wide, function admirable is one of present industry trend.Coupling
Box-like antenna form can effectively improve the performance of antenna, promote the beamwidth of antenna, at the same time, antenna becomes smaller
It is skilful portable.
Summary of the invention
The utility model in view of the deficiencies of the prior art, provides a kind of manifold type day applied to lora frequency range
Line, with unique feeding classification and simple foundation structure, using monopolar form and coupled resonance mode generate compared with
Wide working band, function admirable.
The utility model is achieved through the following technical solutions purpose:
A kind of integrated antennas applied to lora frequency range, including substrate and the radiation ontology being set on substrate, feedback
Electric micro-strip, grounding assembly and coupling body, the radiation ontology are connect with fed microstrip and coupling body respectively；The radiation
Ontology includes the first monopole radiation arm and the second monopole radiation arm, and the first monopole radiation arm is serpentine configuration, snakelike
Structure gap generates resonance；Second monopole radiation arm is set in the snakelike gap of the first monopole radiation arm
Further, the coupling body includes multiple coupling pieces, and the coupling piece is serpentine configuration, serpentine configuration seam
Gap generates resonance.
Further, multiple coupling pieces are divided into two groups, and first group of coupling piece and first monopole radiate
Arm is connected, and second group of coupling piece is connected with the second monopole radiation arm.
Further, first group of coupling piece is to be arranged in parallel, and the position of two groups of coupling pieces is one by one with second group of coupling piece
It is corresponding.
Further, it is formed between the first monopole radiation arm and second group of coupling piece and couples gap D1.
Further, it is formed between the second monopole radiation arm and first group of coupling piece and couples gap D2.
Further, the radio frequency band of the antenna is 400~470MHz.
The utility model has the beneficial effects that
1, the integrated antennas of the utility model is applied to lora frequency range, using the side of monopolar form and coupled resonance
Formula, assigns the bandwidth of operation that antenna has wider range, and adaptability and stability are ideal；
2, the integrated antennas structure of the utility model is simple, small and exquisite portable, sufficiently meets the growth requirement of antenna industry；
3, the integrated antennas of the utility model can make of printing plate, simple processing and cheap, can batch metaplasia
It produces to guarantee that performance is stablized, is easily received by the majority of consumers.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of integrated antennas in embodiment.
Fig. 2 is the connection schematic diagram that ontology and coupling body are radiated in embodiment.
Fig. 3 is the return loss plot of integrated antennas in embodiment.
Fig. 4 is the standing wave pattern of integrated antennas in embodiment.
Fig. 5 is the radiation pattern figure of integrated antennas in the two-dimensional direction in embodiment.
Wherein, appended drawing reference is as follows:
1: substrate, 2: radiation ontology, 3: fed microstrip, 4: the first groups of coupling pieces, 5: the second groups of coupling pieces, 21: the first is single
Extremely sub- radiation arm, 22: the second monopole radiation arms.
Specific embodiment
The utility model is carried out more below in conjunction with attached drawing and specific embodiment for the ease of understanding the utility model,
Comprehensive description.The better embodiment of the utility model is given in attached drawing.But the utility model can be with many differences
Form realize, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making pair
The disclosure of the utility model understands more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
It reads herein for convenience, therefore points out "upper", "lower", "left", "right" with reference to the accompanying drawings, the purpose is to point out each member
Reference relative position between part, rather than to limit the application.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
Embodiment
A kind of integrated antennas is present embodiments provided, suitable for the various terminals based on lora system, the antenna
Radio frequency band is 400~470MHz, belongs to the low frequency band high effective antenna of wider bandwidth.The antenna has simple and compact knot
Structure and unique feeding classification, electric property is ideal, meets the use demand of client.
As depicted in figs. 1 and 2, the integrated antennas of the present embodiment includes substrate 1 and the radiation sheet being set on substrate 1
Body 2, fed microstrip 3, grounding assembly and coupling body, wherein substrate 1 uses pcb board, and fed microstrip 3 is electrically believed to feed-in
Number, grounding assembly as integrated antennas ground connection to be used.Fed microstrip 3 is transmission line form, and itself and radiation ontology 2
It is connected；In addition, fed microstrip 3 increases longerly, so that the antenna obtains more preferably electricity in effective bandwidth of operation
Gas performance.
Radiating ontology 2 includes the first monopole radiation arm 21 and the second monopole radiation arm 22, wherein the first monopole spoke
Penetrating arm 21 is serpentine configuration, and serpentine configuration gap generates resonance.Second monopole radiation arm 22 is linear structure, and the second monopole
Sub- radiation arm 22 is set in the snakelike gap of the first monopole radiation arm 21.
The coupling body of the present embodiment includes dividing two rows of first group of coupling piece 4 and second group of coupling piece 5 being arranged in parallel, and every group
5 coupling pieces are respectively provided with, and every group of each coupling piece position corresponds, the coupling piece is similarly serpentine configuration, snake
Shape structure gap generates resonance.First group of coupling piece 4 is connected with the first monopole radiation arm 21, and first group of coupling piece 4 is located at
The corner of the snakelike cabling of first monopole radiation arm 21；The end phase of second group of coupling piece 5 and the second monopole radiation arm 22
Even, so that the second monopole radiation arm 22 is located exactly between the corresponding coupling piece in two positions, it is also at the first monopole
In the snakelike gap of radiation arm 21.It is formed between first monopole radiation arm 21 and second group of coupling piece 5 and couples gap D1, and the
It is formed between two monopole radiation arms 22 and first group of coupling piece 4 and couples gap D2.It is snakelike by the first monopole radiation arm 21
Gap, D1, D2, coupling piece serpentine structure gap between line generate resonance, are imitated using Ansoft HFSS the antenna
It really analyzes, establish model, by calculating fine tuning resonance frequency harmony vibration input impedance, obtain suitable for the antenna resonant frequency
It is practical, to realize antenna performance.
Change day by adjusting the size of the first monopole radiation arm 21, the second monopole radiation arm 22 and coupling piece
The resonance frequency of line adjusts the impedance of antenna by adjusting serpentine configuration gap, D1 and the D2 of the first monopole radiation arm 21
Matching, to reach the requirement of lora band communication.First monopole radiation arm 21, the second monopole radiation arm 22 and coupling
The size of piece obtains actual physical size by calculating and being included in edge effect.
As shown in Figures 3 to 5, the integrated antennas performance of the present embodiment is ideal, in the operating RF frequency of 400~470MHz
Duan Zhong, the return loss of the antenna are 10~﹣ of ﹣ 39dB, and corresponding VSWR is 1.0~2.0, and energy is concentrated.
The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all
The equivalent structure transformation done using the utility model specification and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field is also included in the patent protection scope of the utility model.
Claims (7)
1. a kind of integrated antennas applied to lora frequency range, which is characterized in that including substrate and the spoke being set on substrate
Ontology, fed microstrip, grounding assembly and coupling body are penetrated, the radiation ontology is connect with fed microstrip and coupling body respectively；
The radiation ontology includes the first monopole radiation arm and the second monopole radiation arm, and the first monopole radiation arm is snakelike
Structure, serpentine configuration gap generate resonance；Second monopole radiation arm is set in the snakelike gap of the first monopole radiation arm.
2. being applied to the integrated antennas of lora frequency range according to claim 1, which is characterized in that the coupling body includes
Multiple coupling pieces, the coupling piece are serpentine configuration, and serpentine configuration gap generates resonance.
3. being applied to the integrated antennas of lora frequency range according to claim 2, which is characterized in that multiple coupling pieces
It is divided into two groups, first group of coupling piece is connected with the first monopole radiation arm, second group of coupling piece and second list
Extremely sub- radiation arm is connected.
4. being applied to the integrated antennas of lora frequency range according to claim 3, which is characterized in that first group of coupling piece and the
Two groups of coupling pieces are to be arranged in parallel, and the position of two groups of coupling pieces corresponds.
5. being applied to the integrated antennas of lora frequency range according to claim 3, which is characterized in that the first monopole spoke
It penetrates to be formed between arm and second group of coupling piece and couples gap D1.
6. being applied to the integrated antennas of lora frequency range according to claim 3, which is characterized in that the second monopole spoke
It penetrates to be formed between arm and first group of coupling piece and couples gap D2.
7. being applied to the integrated antennas of lora frequency range described in -6 any one according to claim 1, which is characterized in that described
The radio frequency band of antenna is 400~470MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920675497.5U CN209544606U (en) | 2019-05-13 | 2019-05-13 | A kind of integrated antennas applied to lora frequency range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920675497.5U CN209544606U (en) | 2019-05-13 | 2019-05-13 | A kind of integrated antennas applied to lora frequency range |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209544606U true CN209544606U (en) | 2019-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920675497.5U Active CN209544606U (en) | 2019-05-13 | 2019-05-13 | A kind of integrated antennas applied to lora frequency range |
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| Country | Link |
|---|---|
| CN (1) | CN209544606U (en) |
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2019
- 2019-05-13 CN CN201920675497.5U patent/CN209544606U/en active Active
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Effective date of registration: 20240109 Address after: Room 301, floor 3, unit 1, building 13, courtyard 3, gaolizhang Road, Haidian District, Beijing 100095 Patentee after: BEIJING JIUTAIN LIJIAN INFORMATION TECHNOLOGY Co.,Ltd. Address before: 213000 Hongchuang Building, 11 Qingyang North Road, Tianning District, Changzhou City, Jiangsu Province, 9th Floor Patentee before: CHANGZHOU RENQIAN ELECTRICAL TECHNOLOGY CO.,LTD. |