CN206098699U - Antenna - Google Patents
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- CN206098699U CN206098699U CN201621141657.0U CN201621141657U CN206098699U CN 206098699 U CN206098699 U CN 206098699U CN 201621141657 U CN201621141657 U CN 201621141657U CN 206098699 U CN206098699 U CN 206098699U
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- antenna
- copper clad
- clad layers
- minor matters
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
Abstract
The utility model provides an antenna for the biomedical telemetering measurement, include: first dielectric layer and second dielectric layer, it covers the copper layer to set up the floor between first dielectric layer and the second dielectric layer, the floor is covered and is set up cross coupling slot on the copper layer, one side of first dielectric layer sets up first radiation paster and covers the copper layer, one side of second dielectric layer sets up two minor matters feeds and covers the copper layer. Through the utility model discloses, it covers the technical problem that the frequency channel is single and the interference killing feature is weak to have solved the biomedical telemetering measurement antenna in the correlation technique.
Description
Technical field
The utility model is related to the communications field, in particular to a kind of antenna.
Background technology
More and more close with have received the problems such as the improvement of people's living standards, medical treatment and health supervision
Note.In order to improve diagnosis and medical level, medical expenses, the health problem of real-time monitoring people, it is proposed that tele-medicine are reduced
Technology, by wireless communication system long distance monitoring is completed so that the whole medical procedure degree of accuracy is higher more perfect.Remotely curing
In treatment system, implanted antenna becomes one of core component of data transmission system, for realizing nothing and external device between
Line communicates, and the quality of antenna performance will directly affect the accuracy of enforcement and the diagnosis of whole medical procedure.Due to applied environment
Particularity, implantable Antenna Design needs to consider several factors that such as tissue is that Inhomogeneous Anisotropic has consumption
The electrical quantitys such as dispersion ature of coal, the electrical conductivity and dielectric constant of tissue be with the change of frequency, temperature, institutional framework etc. no
Together, implant site space is also restricted, biological capacitive character etc., meanwhile, electromagenetic wave radiation boundary condition can be with human motion
Change etc..Compared with traditional antenna, implantation for the ease of antenna and the biocompatible of human body is avoided, human body implantation type antenna
All there is tightened up requirement：Miniaturization, multiband, broadband, circular polarisation, bio-compatibility and security etc..
Circular polarized antenna in correlation technique refers to that the direction in the electric field that antenna radiated and magnetic field and size are not fixed
, change in a plane, when their direction vector is orthogonal into 90 degree, just form pure circle polarised direction figure.
For linear polarization, rotation direction reverse can occur when circularly polarised wave incides symmetric targets, multi-path jamming can be eliminated, circle
Polarized wave can also reduce the loss that polarization mismatch is caused, while reducing the requirement placed to aerial position and be aligned.
In correlation technique medical treatment implantation communication service include ISM, centre frequency be 915MHz frequency ranges and medical treatment (ISM,
2.4-2.5GHz) frequency range, in being implanted into the antenna technology of human body, great majority design is all simple function, such as circular polarized antenna, line
Polarization dual-band antenna etc., these technologies all Shortcomings, herein mainly for being applied to the various of biomedical implantation antenna
A kind of demand, it is proposed that dual-band dual-circular polarization broad-band antenna for biomedical telemetry, using circular polarization microstrip antenna, has
It is low section, easily conformal, the features such as lightweight, small volume.
Being used for the circular polarized antenna of medical communication in correlation technique has several：First, presented by differing the dual-port of 180 degree
Electricity；2nd, the corner cut on oscillator；3rd, by carrying out coaxial feed etc. in drift angle.For the antenna of double frequency, to have radiation patch to open various
The groove of shape, using defect ground structure, fluting etc. on floor.Correlation technique has the disadvantage that or problem：Major defect is
Relatively simple, typically all single-frequency circular polarized antenna can not thus cover all frequency ranges of medical system, and what is adopted in addition is double
The stopband rejection ability of frequency antenna is not strong, easily by other band interferences；The bandwidth of dual-band antenna is uncontrolled, narrower.
For the problems referred to above present in correlation technique, at present it is not yet found that the solution of effect.
Utility model content
The utility model embodiment provides a kind of antenna, at least to solve the biomedical telemetry antenna in correlation technique
Cover the technical problem that frequency range is single and antijamming capability is weak.
According to one embodiment of the present utility model, there is provided a kind of antenna, first medium layer and second dielectric layer are described
Floor copper clad layers are set between first medium layer and second dielectric layer, cross coupling slot, institute are set in the floor copper clad layers
The side for stating first medium layer arranges the first radiation patch copper clad layers, and the side of the second dielectric layer arranges double minor matters feeds and covers
Layers of copper.
Optionally, arc excitation minor matters are loaded with the first radiation patch copper clad layers.
Optionally, the first radiation patch copper clad layers are shaped as square.
Optionally, the quantity of the cross coupling slot is two.
Optionally, described pair of minor matters feed copper clad layers are loaded with controllable impedance and/or tunable capacitor,
Optionally, adjustable-width is provided with described pair of minor matters feed copper clad layers covers steel structure, by covering described in regulation
The width of steel structure is so as to adjusting the size of electric capacity and/or inductance value.
Optionally, described pair of minor matters feed copper clad layers include long-armed and galianconism, and described long-armed and described galianconism micro-strip is used for
Double frequency passband is produced by feed.
Optionally, the size of described long-armed and described galianconism respectively with four points corresponding to two different operating frequencies of antenna
One of wavelength correspondence.
Optionally, the medium substrate of the first medium layer adopts the material of high-k, and/or, described second is situated between
The medium substrate of matter layer adopts the material of high-k.
Optionally, the quantity of the arc excitation minor matters is two.
By the utility model, antenna, for biomedical telemetry, including：First medium layer and second dielectric layer, it is described
Floor copper clad layers are set between first medium layer and second dielectric layer, cross coupling slot, institute are set in the floor copper clad layers
The side for stating first medium layer arranges the first radiation patch copper clad layers, and the side of the second dielectric layer arranges double minor matters feeds and covers
Layers of copper.Solve the covering technology that frequency range is single and antijamming capability is weak of the biomedical telemetry antenna in correlation technique to ask
Topic.
Description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application,
Schematic description and description of the present utility model is used to explain the utility model, does not constitute to of the present utility model improper
Limit.In the accompanying drawings：
The top view of the double frequency round polarized broad-band antenna that Fig. 1 is provided for the present embodiment；
The side view of the double frequency round polarized broad-band antenna that Fig. 2 is provided for the present embodiment；
The top layer schematic diagram of the double frequency round polarized broad-band antenna that Fig. 3 is provided for the present embodiment；
The intermediate layer schematic diagram of the double frequency round polarized broad-band antenna that Fig. 4 is provided for the present embodiment；
The bottom schematic diagram of the double frequency round polarized broad-band antenna that Fig. 5 is provided for the present embodiment.
Specific embodiment
Below with reference to accompanying drawing and in conjunction with the embodiments describing the utility model in detail.It should be noted that not rushing
In the case of prominent, the feature in embodiment and embodiment in the application can be mutually combined.
It should be noted that specification and claims of the present utility model and the term " first " in above-mentioned accompanying drawing,
" second " etc. is the object for distinguishing similar, without being used to describe specific order or precedence.
Embodiment 1
The utility model provides a kind of antenna, for biomedical telemetry, including：First medium layer and second medium
Layer, arranges floor copper clad layers between the first medium layer and second dielectric layer, in the floor copper clad layers cross coupling is arranged
Groove is closed, the side of the first medium layer arranges the first radiation patch copper clad layers, and the side of the second dielectric layer arranges double branches
Section feed copper clad layers.
Optionally, circular excitation minor matters, the i.e. arc of two a quarters is loaded in the first radiation patch copper clad layers to swash
Encourage minor matters.
Optionally, the first radiation patch copper clad layers are shaped as square, naturally it is also possible to be other shapes.
Optionally, the quantity of the cross coupling slot is two.
Optionally, described pair of minor matters feed copper clad layers are loaded with controllable impedance and/or tunable capacitor, cover in double minor matters feed
Adjustable-width is provided with layers of copper covers steel structure, by covering the width of steel structure so as to adjust electric capacity and/or electricity described in regulation
The size of inductance value.
Optionally, described pair of minor matters feed copper clad layers include long-armed and galianconism, the long-armed micro-strip and the galianconism
Micro-strip is used to produce double frequency passband by feed.The size of described long-armed and described galianconism is respectively with two different operatings of antenna frequently
Quarter-wave correspondence corresponding to rate.
The first medium layer and second medium laminar substrate are to adopt high dielectric constant material, the Gao Jie described in the present embodiment
The material that permittivity material is dielectric constant more than 8, or material of the dielectric constant more than 9, e.g., R03210, it is relative to be situated between
Electric constant is 10.2.
Optionally, the quantity of the arc excitation minor matters is two.
The utility model provides a kind of double frequency of the double minor matters right-angled intersection couple feed structures based on new loading double circles
Polarization broad-band antenna, can realize that double frequency, circular polarisation and wide-band combine, and axle is than easy to control, with the new structure
Antenna structure it is simple, the features such as with low section, lightweight, small volume.
The utility model is related to a kind of dual-band dual-circular polarization broad-band antenna for biomedical telemetry, including：First is situated between
Matter layer and second dielectric layer, the side of the first medium layer arranges radiation patch copper clad layers, in the radiation patch copper clad layers
Two arc excitation minor matters are loaded with, floor copper clad layers, the floor are set between the first medium layer and second dielectric layer
Two cross coupling slots are set in copper clad layers, and the opposite side of the second dielectric layer is set to the double minor matters feeds of new loading and covers
Layers of copper, is loaded with controllable impedance or electric capacity.
Alternatively, the opposite side of the first medium layer arranges radiation patch copper clad layers, in the radiation patch copper clad layers
The circular excitation minor matters of two a quarters of loading.
Alternatively, the radiation patch copper clad layers are square.
Alternatively, two cross coupling slots are set in the floor copper clad layers.
Alternatively, the double minor matters feed structures of the new loading are loaded with adjustable inductance or electric capacity, can cover copper, lead to
The width for covering copper is overregulated so as to realize corresponding perception or capacitive.
Alternatively, the double minor matters feed structures of the new loading, long-armed and galianconism size is respectively depending on Antenna Operation
Two frequency ranges frequency corresponding to quarter-wave.
Alternatively, the first medium layer and second medium laminar substrate are using high dielectric constant material R03210.
Antenna of the present utility model can be a kind of dual-band dual-circular polarization broad-band antenna for biomedical telemetry, adopt
Double minor matters micro-strips of new loaded cable or electric capacity are fed, and produce double frequency passband, are coupled by right-angled intersection groove, produce circle
Polarized wave, the circular excitation minor matters of a quarter that drift angle loading is run into after electromagnetic wave to top layer produce again circularly polarised wave.This reality
The antenna size of applying example is little, easy of integration, control with wide, axle ratio, strong antijamming capability, can work under double frequency, with life
Thing compatibility, it is adaptable to biomedical sector.Solve biomedical telemetry antenna in correlation technique cover frequency range it is single with
And the technical problem that antijamming capability is weak.
It is described in detail below in conjunction with the accompanying drawings：
The top view of the double frequency round polarized broad-band antenna that Fig. 1 is provided for the present embodiment, the double frequency that Fig. 2 is provided for the present embodiment
The side view of circularly-polarizedwideband wideband antenna, the top layer schematic diagram of the double frequency round polarized broad-band antenna that Fig. 3 is provided for the present embodiment, Fig. 4
The intermediate layer schematic diagram of the double frequency round polarized broad-band antenna provided for the present embodiment, the double frequency entelechy that Fig. 5 is provided for the present embodiment
Change the bottom schematic diagram of broad-band antenna.Label in each figure is specially：
1 is radiation patch；
2A, 2B are the circular excitation minor matters of two a quarters loaded in radiation patch copper clad layers；
3A, 3B are the cross fluting on floor；
4A, 5A are that high frequency feeds minor matters；
4B, 5B, 6B are that low frequency feeds minor matters；
7 is the controllable impedance or electric capacity of loading；
8 is T-shaped feed minor matters；
9 is floor；
10A is ground floor medium；
10B is second layer medium.
As depicted in figs. 1 and 2, the embodiment of the present application provides a kind of small size, broadband, the antenna of dual-band dual-circular polarization.Bag
Include：First medium layer 10A and second dielectric layer 10B, the side of the first medium layer 10A arranges radiation patch copper clad layers, institute
State and circular excitation minor matters 2A of two a quarters and 2B are loaded with radiation patch copper clad layers；The first medium layer 10A and
Floor copper clad layers 9 are set between second medium layer 10B, two cross coupling slot 3A and 3B are provided with the floor copper clad layers 9；
The opposite side of second dielectric layer 10B is set to the double minor matters feed copper clad layers of new loading, is loaded with controllable impedance or electric capacity
7。
Wherein, the excitation minor matters are that a quarter circle paster encourages minor matters 2A, 2B；The radiation patch 1 is pros
Shape.The double minor matters feed structures of the new loading, the long-armed and corresponding low frequency of galianconism and high frequency size are respectively depending on antenna work
Quarter-wave corresponding to the frequency of two frequency ranges made.
The medium substrate is the R03210 of one piece of foursquare high-k, and its relative dielectric constant is 10.2.Should
Antenna arrives double minor matters feed structures of new loading using the T-shaped feed of micro-strip, and micro-strip uses 50 ohm of feeds, by adjustable
Loaded cable or electric capacity, can cause micro-strip for it is pure resistance transmission, so as to realize the matching completely of signal link, the bandwidth of antenna
It is wider.
In addition, in order to make antenna compatible with human-body biological, needing plated film outer to antenna, material adopts aluminum oxide, relative to be situated between
Electric constant is 9.2, and coating film thickness is 0.02mm, not only with biocompatibility, while having insulating properties.
Two minor matters of double minor matters feed structures that the T-shaped feed minor matters 8 of micro-strip pass through new loading (feed branch including high frequency
Section 4A, 5A, low frequency frequency feed minor matters 4B, 5B, 6B), the length of two minor matters, its length is a quarter of operating frequency
Wavelength, two minor matters are loaded with controllable impedance or electric capacity, and by adjusting the value of inductance or electric capacity pure resistance transmission, electromagnetism are realized
Ripple reaches the cross type groove in intermediate layer, is coupled to the square fluting radiation patch on top layer, circularly polarised wave is produced, due to being pushed up
The excitation of a quarter circle paster that angle adds, upsets the surface electric field distribution of square groove, so as to encourage entelechy again
Change ripple.Circular polarization ratio is adjusted by the radius of the circular paster of the length and a quarter that adjust cross coupling slot, is realized
3dB axles ratio.
Embodiment 2
System architecture embodiment, present embodiment discloses a kind of double minor matters right-angled intersection couple feeds based on new loading
The dual-band dual-circular polarization broad-band antenna of structure, with reference to Fig. 1.The two-layered medium substrate of the high-k that antenna is selected, material is
R03210, its relative dielectric constant is 10.2.Give antenna outer plated film, material adopts aluminum oxide, and relative dielectric constant is 9.2, plating
Film thickness is 0.02mm, not only with biocompatibility, while having insulating properties.The overall dimensions of antenna are 16mm*16mm, thick
Spend for 2mm, need to be operated in 915MHz and 2.45GHz, the T-shaped feed minor matters 8 of antenna are plus the low of double minor matters length of feed
Again and again minor matters 4B, 5B, 6B and high frequency feed minor matters 4A are fed, 5A is respectively 25.6mm and 9.6mm, a quarter circle paster
Radius is 3mm, and the both arms of cross type groove are isometric, since it is desired that producing circularly polarised wave, its length is adjusted according to frequency.The day
The feed of line is 50 ohm, a width of 1.8mm of feeder line, the inductance or electric capacity of the double minor matters loadings of feed, is substituted with copper is covered, according to work
Bandwidth adjustment cover the width of copper, realize that feed port is matched completely.
Using dual-band dual-circular polarization broad-band antenna of the present utility model, with following distinguishing feature：Antenna size is little, easily collection
Into；The band of the antenna is wide, is disturbed little；The antenna axial ratio is controlled；The Antenna Operation is under double frequency pattern；The antenna has
Biocompatibility, it is adaptable to biomedical sector.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of antenna, it is characterised in that for biomedical telemetry, including：
First medium layer and second dielectric layer, arrange floor copper clad layers between the first medium layer and second dielectric layer, described
Cross coupling slot is set in the copper clad layers of floor, and the side of the first medium layer arranges the first radiation patch copper clad layers, described
The side of second dielectric layer arranges double minor matters feed copper clad layers.
2. antenna according to claim 1, it is characterised in that arc is loaded with the first radiation patch copper clad layers and is swashed
Encourage minor matters.
3. antenna according to claim 2, it is characterised in that the first radiation patch copper clad layers are shaped as pros
Shape.
4. antenna according to claim 1, it is characterised in that the quantity of the cross coupling slot is two.
5. antenna according to claim 1, it is characterised in that described pair of minor matters feed copper clad layers are loaded with controllable impedance
And/or tunable capacitor.
6. antenna according to claim 5, it is characterised in that be provided with adjustable-width in described pair of minor matters feed copper clad layers
Cover steel structure, by covering the width of steel structure so as to adjust the size of electric capacity and/or inductance value described in adjusting.
7. antenna according to claim 1, it is characterised in that described pair of minor matters feed copper clad layers include long-armed and galianconism,
Described long-armed and described galianconism is used to produce double frequency passband by feed.
8. antenna according to claim 7, it is characterised in that the size of described long-armed and described galianconism respectively with antenna two
Quarter-wave correspondence corresponding to individual different operating frequency.
9. antenna according to claim 1, it is characterised in that the medium substrate of the first medium layer is normal using high dielectric
Several materials, and/or, the medium substrate of the second dielectric layer adopts the material of high-k.
10. antenna according to claim 2, it is characterised in that the quantity of the arc excitation minor matters is two.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621141657.0U CN206098699U (en) | 2016-10-20 | 2016-10-20 | Antenna |
| PCT/CN2017/107148 WO2018072752A1 (en) | 2016-10-20 | 2017-10-20 | Antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621141657.0U CN206098699U (en) | 2016-10-20 | 2016-10-20 | Antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206098699U true CN206098699U (en) | 2017-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621141657.0U Active CN206098699U (en) | 2016-10-20 | 2016-10-20 | Antenna |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206098699U (en) |
| WO (1) | WO2018072752A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018072752A1 (en) * | 2016-10-20 | 2018-04-26 | 中兴通讯股份有限公司 | Antenna |
| CN114243270A (en) * | 2021-12-13 | 2022-03-25 | 西南技术物理研究所 | Miniaturized flexible antenna loaded with high-magnetic-medium material |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969304B (en) * | 2020-08-18 | 2023-04-25 | 维沃移动通信有限公司 | Antenna structure and electronic equipment |
| CN114464994A (en) * | 2022-02-07 | 2022-05-10 | 浙江海通通讯电子股份有限公司 | Mobile phone antenna |
| CN114843762B (en) * | 2022-04-20 | 2023-05-16 | 电子科技大学 | MIMO antenna with reconfigurable frequency |
| CN116632526B (en) * | 2023-07-24 | 2023-10-31 | 上海英内物联网科技股份有限公司 | Circularly polarized microstrip patch antenna with miniaturized ground plane |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6924773B1 (en) * | 2004-09-30 | 2005-08-02 | Codman Neuro Sciences Sarl | Integrated dual band H-field shielded loop antenna and E-field antenna |
| DE102005010894B4 (en) * | 2005-03-09 | 2008-06-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Planar multiband antenna |
| CN202633509U (en) * | 2012-03-31 | 2012-12-26 | 深圳市金溢科技有限公司 | Microstrip antenna, electronic device, and OBU of ETC system |
| CN103367920B (en) * | 2012-03-31 | 2016-08-03 | 深圳市金溢科技股份有限公司 | The OBU of microstrip antenna, electronic equipment and ETC system |
| CN203871464U (en) * | 2014-04-08 | 2014-10-08 | 北京遥测技术研究所 | Broadband dual circularly polarized microstrip antenna |
| EP3241256A4 (en) * | 2014-12-31 | 2018-08-01 | Micron Devices LLC | Patch antenna assembly |
| CN105024155B (en) * | 2015-07-24 | 2018-04-27 | 华南理工大学 | A kind of circular polarized antenna of loading complementary openings ring applied to biomedical telemetry |
| CN206098699U (en) * | 2016-10-20 | 2017-04-12 | 中兴通讯股份有限公司 | Antenna |
-
2016
- 2016-10-20 CN CN201621141657.0U patent/CN206098699U/en active Active
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2017
- 2017-10-20 WO PCT/CN2017/107148 patent/WO2018072752A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018072752A1 (en) * | 2016-10-20 | 2018-04-26 | 中兴通讯股份有限公司 | Antenna |
| CN114243270A (en) * | 2021-12-13 | 2022-03-25 | 西南技术物理研究所 | Miniaturized flexible antenna loaded with high-magnetic-medium material |
| CN114243270B (en) * | 2021-12-13 | 2023-07-18 | 西南技术物理研究所 | Miniaturized flexible antenna loaded with high-magnetic dielectric material |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018072752A1 (en) | 2018-04-26 |
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