CN209515983U - A kind of wearable arc medium resonator antenna of the TM mode of conformal feed - Google Patents
A kind of wearable arc medium resonator antenna of the TM mode of conformal feed Download PDFInfo
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- CN209515983U CN209515983U CN201920469338.XU CN201920469338U CN209515983U CN 209515983 U CN209515983 U CN 209515983U CN 201920469338 U CN201920469338 U CN 201920469338U CN 209515983 U CN209515983 U CN 209515983U
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- dielectric resonator
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- feeder line
- medium substrate
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Abstract
The utility model discloses a kind of wearable arc medium resonator antennas of the TM mode of conformal feed, comprising: dielectric resonator, floor, medium substrate and feeder line；The floor and dielectric resonator are conformal, and dielectric resonator is fixed among medium substrate outer surface, and feeder line is located at medium substrate upper surface, and it is conformal with dielectric resonator to extend to dielectric resonator side；Medium substrate inner and outer surfaces are bonded floor and dielectric resonator respectively；The antenna is fed by feeder line, and then electromagnetic wave energy is conducted by feeder line to dielectric resonator.Utility model has the advantages that substrate is cyclic structure, belong to wearable structure, application field is extensive and application scenarios are flexible；Conformal structure, when regulating floor size, not will increase additional section size, can obtain high-gain/broad beam characteristic；It compares microstrip antenna and possesses broader bandwidth；Conformal feed line has assembly alignment effect concurrently on substrate and dielectric resonator, so that production handling ease.
Description
Technical field
The utility model relates to conformal wearable antenna technical field, in particular to a kind of TM mode of conformal feed can be worn
Wear arc medium resonator antenna.
Background technique
With the fast development of wireless communication technique, the communication such as Internet of Things, unlimited body area network emerging technology is obtained increasingly
More concerns, people are also higher and higher to the portability requirements of wireless telecom equipment, and various wearable devices emerge one after another, this is just
Wireless telecom equipment is promoted to develop towards conformalization direction.
At present both at home and abroad, the research for wearable antenna is mostly based on microstrip antenna, mainly such as using flexible base board
The organic flexibles such as acid imide, printing paper, polylactic acid medium or flexible textile material are made, metal patch application flexibility copper foil
Or conductive fabric.Such antenna generally has lesser volume and low section, is mostly attached on clothing, and can be compared with
Good and human body keeps conformal；
And compared to microstrip antenna, medium resonator antenna possesses wide bandwidth, high polarization purity, high design freedom, more
Many advantages, such as radiation mode, can requirement with the conformal system of further satisfaction to antenna performance, still, medium resonator antenna
Be not applied to that arc is conformal and wearable device in.
Utility model content
The utility model in view of the drawbacks of the prior art, provides a kind of wearable arc medium of TM mode of conformal feed
Resonant aerial can effectively solve the above-mentioned problems of the prior art.
In order to realize that the above purpose of utility model, the technical solution that the utility model is taken are as follows:
A kind of wearable arc medium resonator antenna of the TM mode of conformal feed, comprising: dielectric resonator 1, feeder line 2,
Medium substrate 3 and floor 4；
The floor 4 and dielectric resonator 1 are conformal, and dielectric resonator 1 is fixed among 3 outer surface of medium substrate, floor
4 materials are copper foil；
3 inner and outer surfaces of medium substrate fit over floor 4 and dielectric resonator 1 respectively；
The antenna is fed by feeder line 2, and feeder line 2 is located at 3 upper surface of medium substrate, and extends to 1 side of dielectric resonator
Conformal with dielectric resonator 1, electromagnetic wave energy is conducted by feeder line 2 to dielectric resonator 1.
The medium substrate 3 is made of ceramics, and the relative dielectric constant of medium substrate 3 is 5.8, and medium substrate 3 is to close
Cyclization shape is dressed for arm.
Further, dielectric resonator 1 is made of alumina ceramic material, relative dielectric constant 12.3, and internal diameter is
40mm, with a thickness of 10mm, radian is 60 degree, width 27mm.
Further, medium substrate 3 is with a thickness of 2mm, internal diameter 38mm, width 60mm.
Further, 4 width of floor and annular medium substrate 3 are consistent as 60mm, and radian is 80 degree.
Further, feeder line 2 be copper microstrip line, feeder line 2 divide on medium substrate 3 and dielectric resonator 1 on two parts；It is situated between
2 partial width of feeder line is 5.64mm, a length of 16.5mm on matter substrate 3, and feeder line 2 partial width conformal with dielectric resonator 1 is
5.00mm is highly 9.52mm.
Compared with prior art utility model has the advantages that
1. being suitable for wearable device using the closed annular medium substrate for being suitble to human body wrist size.
2. floor, dielectric resonator are all conformal with medium substrate, curved surface can be applied to, conformal structure do not increasing
In the case where adding additional section size, broad beam requirement, low episternites, the property such as high-gain can be realized by regulating floor size
It can require thus method to adjust.
3. antenna makes feeder line be divided into two parts when feeding, medium substrate surface feeding line portion has assembly alignment school concurrently
Quasi- effect, so that production processing becomes easy.
4. the antenna is designed based on medium resonator antenna, overall structure is succinct, floor, medium substrate and dielectric resonator
It is involved in radiation, compared to traditional microstrip antenna, possesses broader bandwidth.
Detailed description of the invention
Fig. 1 is the global view of the example of the utility model antenna；
Fig. 2 is the top view of the example of the utility model antenna；
Fig. 3 is the side view of the example of the utility model antenna；
Fig. 4 is that the example of the utility model antenna obtains low episternites, broad beam and height under different floor radian sizes respectively
Port reflection coefficient chart when gain performance；
Fig. 5 is that the example of the utility model antenna obtains low episternites, broad beam and high-gain under different floor radian sizes
When performance, in the face E (width to) directional diagram of resonance frequency point；
Fig. 6 is that the example of the utility model antenna obtains low episternites, broad beam and high-gain under different floor radian sizes
When performance, in the face H (radian to) directional diagram of resonance frequency point；
Fig. 7 is the example of the utility model antenna in the face E of resonance frequency point (the 2.45GHz)/face H Direction Pattern Simulation result；
Fig. 8 is the example of the utility model antenna at resonance frequency point (2.45GHz), and Distribution of Magnetic Field is overlooked in dielectric resonator
Figure.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to attached drawing to this reality
It is described in further details with novel.
As shown in Figures 1 to 3, a kind of wearable arc medium resonator antenna of the TM mode of conformal feed, comprising: medium is humorous
Shake device 1, feeder line 2, medium substrate 3 and floor 4；
The floor 4 and dielectric resonator 1 are conformal, and dielectric resonator 1 is fixed among 3 outer surface of medium substrate, floor
4 materials are copper foil；
3 inner and outer surfaces of medium substrate fit over floor 4 and dielectric resonator 1 respectively；
The antenna is fed by feeder line 2, and feeder line 2 is located at 3 upper surface of medium substrate, and extends to 1 side of dielectric resonator,
Electromagnetic wave energy is conducted by feeder line 2 to dielectric resonator 1.
Further, dielectric resonator 1 is made of alumina ceramic material, relative dielectric constant 12.3, and internal diameter is
40mm, with a thickness of 10mm, radian is 60 degree, width 27mm.
Further, medium substrate 3 uses ceramic material, and the relative dielectric constant of medium substrate 3 is 5.8, with a thickness of
2mm, medium substrate 3 are closed hoop, internal diameter 38mm, width 60mm.
Further, 4 width of floor and annular medium substrate 3 are consistent as 60mm, floor about XOZ in face of symmetrical,
Radian is Phig=80 degree.
Further, feeder line 2 be copper microstrip line, feeder line 2 divide on medium substrate 3 and dielectric resonator 1 on two parts；It is situated between
2 partial width of feeder line is n=5.64mm, a length of m=16.5mm, feeder line 2 part conformal with dielectric resonator 1 on matter substrate 3
Width x width is w=5.00mm, is highly l=9.52mm.To make the antenna and feed structure matched well, work in it
TM mode.
Fig. 4 is the comparison diagram of port S parameter curve of the example of the utility model antenna in different floor radian sizes,
Resonance frequency point is 2.45GHz；It can see that, the wearable arc medium resonator antenna of the conformal feed is in differently board size
Under, all there is wider bandwidth.
Fig. 5 and Fig. 6 is the example of the utility model antenna respectively in base plate size difference, the face the E (width of resonance frequency point
To) and the face H (radian to) directional diagram.It can see that, antenna main radiation direction when Phig=250 is spent is 6.662dBi, together
Sample can be by adjusting ground board size, to meet the requirement of broad beam or low episternites.
Fig. 7 is the example of the utility model antenna in the face E of the resonance frequency point/face H directional diagram, it can be seen that the antenna have compared with
Good linear polarization performance, cross polarization level are lower.
Fig. 8 is the example of the utility model antenna at resonance frequency point (2.45GHz), Distribution of Magnetic Field figure in dielectric resonator,
It can be seen that Antenna Operation is in TMX 11δMode.
The example of the utility model is by the way that dielectric resonator to be bonded on the medium substrate of closed hoop, and in dielectric resonance
The conformal feed line in one side surface of device is combined with feed line connection on medium substrate, so that the antenna and feed structure matched well
Meanwhile having the function of assembly alignment concurrently；Floor is conformal with medium substrate, so that in the case where additionally not increasing antenna section, ground
Board size still has very big adjustment space, to obtain the requirement such as high-gain or broad beam.
Those of ordinary skill in the art will understand that the above is the preferred embodiment of the utility model, meaning
The utility model in further explanation, rather than it is defined, it should be understood that the protection scope of the utility model not office
It is limited to such specific embodiments and embodiments.Those skilled in the art can be according to these skills disclosed by the utility model
Various other specific variations and combinations without departing from the essence of the present invention are made in art enlightenment, and these variations and combinations should all
It is within the protection scope of the present utility model.
Claims (4)
1. a kind of wearable arc medium resonator antenna of the TM mode of conformal feed characterized by comprising dielectric resonator
(1), feeder line (2), medium substrate (3) and floor (4)；
The floor (4) and dielectric resonator (1) are conformal, and dielectric resonator (1) is fixed among medium substrate (3) outer surface,
Floor (4) material is copper foil；
Medium substrate (3) inner and outer surfaces fit over floor (4) and dielectric resonator (1) respectively；
The antenna is fed by feeder line (2), and feeder line (2) is located at medium substrate (3) upper surface, and extends to dielectric resonator (1)
Side and dielectric resonator (1) are conformal, and electromagnetic wave energy is conducted by feeder line (2) to dielectric resonator (1)；
The medium substrate (3) is made of ceramics, and the relative dielectric constant of medium substrate (3) is 5.8, and medium substrate (3) is
Closed hoop is dressed for arm.
2. a kind of wearable arc medium resonator antenna of TM mode of conformal feed according to claim 1, feature
Be: dielectric resonator (1) is made of alumina ceramic material, relative dielectric constant 12.3, internal diameter 40mm, with a thickness of
10mm, radian are 60 degree, width 27mm.
3. a kind of wearable arc medium resonator antenna of TM mode of conformal feed according to claim 2, feature
Be: medium substrate 3 is with a thickness of 2mm, internal diameter 38mm, width 60mm.
4. a kind of wearable arc medium resonator antenna of TM mode of conformal feed according to claim 3, feature
Be: feeder line (2) is copper microstrip line, and feeder line (2) is divided on medium substrate (3) and two parts on dielectric resonator (1)；Medium base
Feeder line (2) partial width is 5.64mm, a length of 16.5mm on plate (3), and feeder line (2) part conformal with dielectric resonator (1) is wide
Degree is 5.00mm, is highly 9.52mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920469338.XU CN209515983U (en) | 2019-04-09 | 2019-04-09 | A kind of wearable arc medium resonator antenna of the TM mode of conformal feed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920469338.XU CN209515983U (en) | 2019-04-09 | 2019-04-09 | A kind of wearable arc medium resonator antenna of the TM mode of conformal feed |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888465A (en) * | 2019-04-09 | 2019-06-14 | 成都北斗天线工程技术有限公司 | A kind of wearable arc medium resonator antenna of the TM mode of conformal feed |
| CN110729551A (en) * | 2019-10-31 | 2020-01-24 | 电子科技大学 | Concave conformal wide-beam high-gain dual-frequency dielectric resonator antenna and working method |
| CN112952386A (en) * | 2021-01-29 | 2021-06-11 | 北京邮电大学 | Wearable antenna |
-
2019
- 2019-04-09 CN CN201920469338.XU patent/CN209515983U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888465A (en) * | 2019-04-09 | 2019-06-14 | 成都北斗天线工程技术有限公司 | A kind of wearable arc medium resonator antenna of the TM mode of conformal feed |
| CN110729551A (en) * | 2019-10-31 | 2020-01-24 | 电子科技大学 | Concave conformal wide-beam high-gain dual-frequency dielectric resonator antenna and working method |
| CN110729551B (en) * | 2019-10-31 | 2021-04-09 | 电子科技大学 | Concave conformal wide-beam high-gain dual-frequency dielectric resonator antenna and working method |
| CN112952386A (en) * | 2021-01-29 | 2021-06-11 | 北京邮电大学 | Wearable antenna |
| CN112952386B (en) * | 2021-01-29 | 2023-04-14 | 北京邮电大学 | Wearable antenna |
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