CN107887686B - Vehicle-mounted array radar antanna and car light - Google Patents
Vehicle-mounted array radar antanna and car light Download PDFInfo
- Publication number
- CN107887686B CN107887686B CN201710203752.1A CN201710203752A CN107887686B CN 107887686 B CN107887686 B CN 107887686B CN 201710203752 A CN201710203752 A CN 201710203752A CN 107887686 B CN107887686 B CN 107887686B
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- China
- Prior art keywords
- vehicle
- antanna
- array radar
- mounted array
- media substrate
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
-
- 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
- H01Q1/32—Adaptation for use in or on road or rail vehicles
- H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
-
- 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
- H01Q1/32—Adaptation for use in or on road or rail vehicles
- H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
- H01Q1/3291—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle mounted in or on other locations inside the vehicle or vehicle body
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The application proposes a kind of vehicle-mounted array radar antanna and car light, and for above-mentioned vehicle-mounted array radar antanna in the lampshade of car light, the vehicle-mounted array radar antanna includes microstrip patch antenna array, media substrate and reflecting surface；The microstrip patch antenna array is located at the upper surface of the media substrate, is connected with the upper surface of the media substrate；The reflecting surface is located at the lower surface of the media substrate, is connected with the lower surface of the media substrate.Vehicle-mounted array radar antanna provided by the present application has low section, and structure is simple, facilitates installation, in the lampshade of car light, increases material without additional, and use micro-strip array antenna, can satisfy high-gain, the demand of low-angle.
Description
Technical field
This application involves field of automobile more particularly to a kind of vehicle-mounted array radar antannas and car light.
Background technique
A kind of vehicle-mounted millimeter wave Anticollision Radar antenna system in the prior art, including rear burnt antenna, burnt antenna after above-mentioned
Open end be fixed with lens unit, slot end is fixed with microstrip antenna；Said lens unit includes diversing lens and receives saturating
Mirror, microstrip antenna include transmitting antenna and receiving antenna, the receiving antenna three microband paste feeds arranged side by side by horizontal direction
Irradiate receiving lens；Above-mentioned transmitting antenna is sequentially connected power amplifier, directional coupler, voltage controlled oscillator and linear modulation
Device, receiving antenna are connected with low noise amplifier, low-pass filter and intermediate frequency output unit in turn；Above-mentioned microstrip antenna uses micro-strip
Line feed, micro-strip antenna array is using going here and there and mixed feeding classification is fed.
But the rear burnt antenna in above-mentioned antenna system is actually electromagnetic horn, the gain of electromagnetic horn is higher, but
It is that receiving area is small, the reflection coefficient on the face Qi Kou is smaller, and it is general to be seldom used to directly receive, and after being commonly used for SE secondary emission formula
The feed of receiving paraboloid is presented, and this rear burnt antenna volume is larger, inconvenience installation will increase entire antenna system
Volume causes application environment limited.
Summary of the invention
The purpose of the application is intended to solve at least some of the technical problems in related technologies.
For this purpose, first purpose of the application is to propose a kind of vehicle-mounted array radar antanna.It is provided by the present application vehicle-mounted
Array radar antanna has low section, and structure is simple, facilitates installation, in the lampshade of car light, without additional increase material, and
And micro-strip array antenna is used, it can satisfy high-gain, the demand of low-angle.
Second purpose of the application is to propose a kind of car light.
To achieve the goals above, the vehicle-mounted array radar antanna of the application first aspect embodiment, comprising: described vehicle-mounted
For array radar antanna in the lampshade of car light, the vehicle-mounted array radar antanna includes microstrip patch antenna array, medium base
Material and reflecting surface；The microstrip patch antenna array is located at the upper surface of the media substrate, the upper table with the media substrate
Face is connected；The reflecting surface is located at the lower surface of the media substrate, is connected with the lower surface of the media substrate.
The vehicle-mounted array radar antanna of the embodiment of the present application has low section, and structure is simple, facilitates installation, embedded in car light
In lampshade, increases material without additional, and use micro-strip array antenna, can satisfy high-gain, the demand of low-angle.
To achieve the goals above, the car light of the application second aspect embodiment, comprising: light source, lampshade and as described above
Vehicle-mounted array radar antanna.
The additional aspect of the application and advantage will be set forth in part in the description, and will partially become from the following description
It obtains obviously, or recognized by the practice of the application.
Detailed description of the invention
The application is above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of the vehicle-mounted array radar antanna one embodiment of the application；
Fig. 2 is the side view of micro-strip array antenna in the vehicle-mounted array radar antanna of the application；
Fig. 3 is the structural schematic diagram of bay in the vehicle-mounted array radar antanna of the application；
Fig. 4 is the layout viewing of microstrip patch antenna array in the vehicle-mounted array radar antanna of the application；
Fig. 5 is the schematic diagram of antenna setting area one embodiment in the vehicle-mounted array radar antanna of the application；
Fig. 6 is the vehicle-mounted array radar antanna 3D far-field pattern of the application；
Fig. 7 is the vehicle-mounted array radar antanna 2D far-field pattern of the application.
Specific embodiment
Embodiments herein is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the application, and should not be understood as the limitation to the application.On the contrary, this
The embodiment of application includes all changes fallen within the scope of the spiritual and intension of attached claims, modification and is equal
Object.
Fig. 1 is the structural schematic diagram of the vehicle-mounted array radar antanna one embodiment of the application, as shown in Figure 1, above-mentioned vehicle-mounted
In the lampshade 11 of car light, above-mentioned vehicle-mounted array radar antanna includes microstrip patch antenna array 12, is situated between array radar antanna
Matter substrate 13 and reflecting surface 14；
Wherein, microstrip patch antenna array 12 is located at the upper surface of media substrate 13, the upper surface phase with media substrate 13
Even；
Reflecting surface 14 is located at the lower surface of above-mentioned media substrate 13, is connected with the lower surface of above-mentioned media substrate.
The side view of above-mentioned micro-strip array antenna can be as shown in Fig. 2, Fig. 2 be micro- in the vehicle-mounted array radar antanna of the application
Side view with array antenna.
In the present embodiment, above-mentioned microstrip patch antenna array 12 includes at least two bays, and Fig. 3 is that the application is vehicle-mounted
The structural schematic diagram of bay in array radar antanna, as shown in figure 3, each bay may include radiation element 31, resistance
Resistance parallel operation 32 and microstrip feed line 33；
Wherein, one end of above-mentioned impedance transformer 32 is connect with radiation element 31, and the other end is connect with microstrip feed line 33, is used for
Realize that radiation element 31 arrives the impedance matching of microstrip feed line 33.In the present embodiment, the impedance of above-mentioned microstrip feed line 33 can be
50Ohm。
Referring to Fig. 3, connected between each bay by power division network 34 in above-mentioned at least two bay, use is micro-
Ribbon feeder 33 is fed.
In the present embodiment, the layout viewing of microstrip patch antenna array 12 can with as shown in figure 4, Fig. 4 for the vehicle-mounted battle array of the application
The layout viewing of microstrip patch antenna array in column radar antenna.
It is micro-strip paster antenna from can be seen that the bay in microstrip patch antenna array 12 in Fig. 3 and Fig. 4,
Since the gain of single micro-strip paster antenna is smaller, it is unable to satisfy the performance requirement of vehicle radar antenna, therefore the present embodiment
Using micro-strip paster antenna as the bay of microstrip patch antenna array 12, to increase the gain of vehicle radar antenna, meet
High-gain, the demand of low-angle.
Vehicle-mounted array radar antanna in the present embodiment can also include: radio circuit, and above-mentioned radio circuit and micro-strip are presented
Line 33 connects, and integrally disposed with the electronic control unit of above-mentioned car light；That is, above-mentioned radio circuit can be with above-mentioned vehicle
The electronic control unit of lamp is arranged on same circuit board.
In the present embodiment, above-mentioned vehicle-mounted array radar antanna be can be set at least two regions that above-mentioned lampshade divides
In, pass through the opening and closing of the vehicle-mounted array radar antanna in switching switch control different zones；Above-mentioned switching switch setting
In above-mentioned radio circuit.
Fig. 5 is the schematic diagram of antenna setting area one embodiment in the vehicle-mounted array radar antanna of the application, such as Fig. 5 institute
Show, lampshade can be divided at least two regions, vehicle-mounted array radar antanna is arranged in different regions, and upper
State added in radio circuit switching switch, by switching switch control different zones in vehicle-mounted array radar antanna opening and
It closes, so as to realize the adjustment of directionality.
In Fig. 5, lampshade 4 regions are divided into, a vehicle-mounted array radar antanna has been set in each region, this is only
One example of the present embodiment can determine district location and number of partitions according to actual use situation in actual implementation,
The present embodiment is not construed as limiting this.
In the present embodiment, the material of above-mentioned media substrate 13 can be identical with the material of lampshade 11, thus without additional
Increase material, reduces the requirement to material, facilitate installation, applicability is wider.
Certainly, above-mentioned media substrate 13 can also use the material different from lampshade 11, and the present embodiment is not construed as limiting this,
But it more than the present embodiment states for media substrate 13 uses material identical with lampshade 11 and is illustrated.
In the present embodiment, above-mentioned vehicle-mounted array radar antanna is conformal antenna, the shape of above-mentioned vehicle-mounted array radar antanna
Structure is identical as the contour structures of above-mentioned car light.That is, the vehicle-mounted array radar antanna in the present embodiment is using car light
Arcuate structure.
Existing array radar antanna is mostly planarized structure in the related technology, the vehicle-mounted array thunder in the present embodiment
Conformal antenna can be designed to according to specifically use environment up to antenna, not destroy the contour structures and aerodynamics of carrier,
Compared to planar antenna, conformal antenna design when need in view of antenna shape, distribution the problems such as, to examine in the design
The problems such as considering the polarization and bandwidth of the mutual coupling effect and vehicle-mounted array radar antanna between conformal carrier and bay.
The present embodiment is emulated using performance of the simulation software CST to above-mentioned vehicle-mounted array radar antanna, simulation result
Can be as shown in Figure 6 and Figure 7, Fig. 6 is the vehicle-mounted array radar antanna 3D far-field pattern of the application, and Fig. 7 is the vehicle-mounted battle array of the application
Column radar antenna 2D far-field pattern.
Fig. 6 show phi=0, and when phi=90,3D far-field pattern, maximum gain is up to 21.4dBi at 2.4G.Figure
7 be phi=0, when phi=90,2D far-field pattern, and angular width (3dB)=18.2deg.It can from Fig. 6 and Fig. 7
Out, vehicle-mounted array radar antanna provided by the present application can avoid the interference between other signals in low-angle, meet high increase
Benefit and low-angle requirement.
The application also provides a kind of car light, comprising: the vehicle that light source, lampshade and the application FIG. 1 to FIG. 5 illustrated embodiment provide
Carry array radar antanna.
It should be noted that term " first ", " second " etc. are used for description purposes only in the description of the present application, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present application, unless otherwise indicated, the meaning of " multiple "
It is two or more.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the application includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be by the application
Embodiment person of ordinary skill in the field understood.
It should be appreciated that each section of the application can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array
(Programmable Gate Array；Hereinafter referred to as: PGA), field programmable gate array (Field Programmable
Gate Array；Hereinafter referred to as: FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
In addition, each functional module in each embodiment of the application can integrate in a processing module, it is also possible to
Modules physically exist alone, and can also be integrated in a module with two or more modules.Above-mentioned integrated module
Both it can take the form of hardware realization, can also have been realized in the form of software function module.If the integrated module
In the form of software function module realize and when sold or used as an independent product, also can store can in a computer
It reads in storage medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the application.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although embodiments herein has been shown and described above, it is to be understood that above-described embodiment is example
Property, it should not be understood as the limitation to the application, those skilled in the art within the scope of application can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (4)
1. a kind of vehicle-mounted array radar antanna, which is characterized in that the vehicle-mounted array radar antanna is in the lampshade of car light, institute
Stating vehicle-mounted array radar antanna includes microstrip patch antenna array, media substrate and reflecting surface；
The microstrip patch antenna array is located at the upper surface of the media substrate, is connected with the upper surface of the media substrate；
The reflecting surface is located at the lower surface of the media substrate, is connected with the lower surface of the media substrate；
The microstrip patch antenna array includes at least two bays；
Each bay includes radiation element, impedance transformer and microstrip feed line；
One end of the impedance transformer is connect with the radiation element, and the other end is connect with the microstrip feed line, for realizing institute
State the impedance matching of radiation element to the microstrip feed line；
Further include: radio circuit；
The radio circuit is connect with the microstrip feed line, and integrally disposed with the electronic control unit of the car light；
The vehicle-mounted array radar antanna is arranged at least two regions that the lampshade divides, not by switching switch control
With the opening and closing of the vehicle-mounted array radar antanna in region；The switching switch is arranged in the radio circuit, wherein
The quantity in the region that the lampshade divides is determined according to actual use situation；
The vehicle-mounted array radar antanna is conformal antenna, contour structures and the car light of the vehicle-mounted array radar antanna
Contour structures are identical.
2. vehicle-mounted array radar antanna according to claim 1, which is characterized in that
It is connected between each bay by power division network at least two bay, and is presented using the microstrip feed line
Electricity.
3. vehicle-mounted array radar antanna described in -2 any one according to claim 1, which is characterized in that
The material of the media substrate is identical as the material of the lampshade.
4. a kind of car light characterized by comprising light source, lampshade and vehicle-mounted array as claimed in any one of claims 1-3
Radar antenna.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710203752.1A CN107887686B (en) | 2017-03-30 | 2017-03-30 | Vehicle-mounted array radar antanna and car light |
| PCT/CN2018/075153 WO2018177027A1 (en) | 2017-03-30 | 2018-02-02 | Vehicle-mounted array radar antenna and vehicle lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710203752.1A CN107887686B (en) | 2017-03-30 | 2017-03-30 | Vehicle-mounted array radar antanna and car light |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107887686A CN107887686A (en) | 2018-04-06 |
| CN107887686B true CN107887686B (en) | 2019-02-26 |
Family
ID=61780499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710203752.1A Active CN107887686B (en) | 2017-03-30 | 2017-03-30 | Vehicle-mounted array radar antanna and car light |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107887686B (en) |
| WO (1) | WO2018177027A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI681594B (en) * | 2018-09-04 | 2020-01-01 | 明泰科技股份有限公司 | Array antenna and antenna system with variable sensing direction |
| KR102116183B1 (en) * | 2018-09-28 | 2020-05-28 | 제트카베 그룹 게엠베하 | Lamp for vehicle |
| CN111665472A (en) * | 2019-03-06 | 2020-09-15 | 株式会社小糸制作所 | Vehicle lamp and vehicle |
| CN111660915B (en) * | 2019-03-06 | 2023-10-20 | 株式会社小糸制作所 | Vehicle lamp and vehicle |
| CN114361763B (en) * | 2022-01-19 | 2023-07-25 | 四川大学 | Integrated multi-antenna headlight and vehicle |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5446470A (en) * | 1992-05-19 | 1995-08-29 | Thomson-Csf | Low-cost compact microwave antenna for a transmitter and/or receiver system mounted in a vehicle |
| CN106159413A (en) * | 2015-04-09 | 2016-11-23 | 亿昶祥工业股份有限公司 | It is arranged at the linear formation type antenna of front car light |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6396446B1 (en) * | 1999-02-16 | 2002-05-28 | Gentex Corporation | Microwave antenna for use in a vehicle |
| US7327322B2 (en) * | 2005-06-22 | 2008-02-05 | Delphi Technologies, Inc. | Directional antenna having a selected beam pattern |
| US9470782B2 (en) * | 2014-11-26 | 2016-10-18 | Valeo Radar Systems, Inc. | Method and apparatus for increasing angular resolution in an automotive radar system |
| CN204539552U (en) * | 2015-03-06 | 2015-08-05 | 东莞润赢电力科技有限公司 | A kind of novel intelligent LED |
| CN105811113A (en) * | 2016-05-05 | 2016-07-27 | 桂林电子科技大学 | K-wave band microstrip patch antenna array |
-
2017
- 2017-03-30 CN CN201710203752.1A patent/CN107887686B/en active Active
-
2018
- 2018-02-02 WO PCT/CN2018/075153 patent/WO2018177027A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5446470A (en) * | 1992-05-19 | 1995-08-29 | Thomson-Csf | Low-cost compact microwave antenna for a transmitter and/or receiver system mounted in a vehicle |
| CN106159413A (en) * | 2015-04-09 | 2016-11-23 | 亿昶祥工业股份有限公司 | It is arranged at the linear formation type antenna of front car light |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107887686A (en) | 2018-04-06 |
| WO2018177027A1 (en) | 2018-10-04 |
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