CN110311211A - A kind of Microstrip Receiving Antenna, transmitting antenna and vehicle-mounted phased array antenna - Google Patents
A kind of Microstrip Receiving Antenna, transmitting antenna and vehicle-mounted phased array antenna Download PDFInfo
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- CN110311211A CN110311211A CN201910537791.4A CN201910537791A CN110311211A CN 110311211 A CN110311211 A CN 110311211A CN 201910537791 A CN201910537791 A CN 201910537791A CN 110311211 A CN110311211 A CN 110311211A
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- 229910052751 metal Inorganic materials 0.000 claims description 24
- 239000002184 metal Substances 0.000 claims description 24
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- 238000003384 imaging method Methods 0.000 abstract description 8
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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
- 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
- H01Q1/3233—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems
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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
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
- H01Q21/0075—Stripline fed arrays
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- Radar, Positioning & Navigation (AREA)
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Abstract
The invention discloses a kind of Microstrip Receiving Antenna, transmitting antenna and vehicle-mounted phased array antenna, by the way that different the first radiation patch of rectangle of size, the second radiation patch are arranged in the outermost surfaces of multiplayer microwave plate, and setting coupling gap, feed strip line in plate, bottom microstrip feed line is set on another outer surface, and setting connection feeds the first telltale hole of strip line and bottom microstrip feed line and obtains receiving antenna in plate；Upper layer radiation patch is set in the outermost surfaces of multiplayer microwave plate, lower layer's radiation patch of setting covering upper layer radiation patch in plate, and bottom micro-strip is set on another outer surface, setting connects the second signal hole of lower layer's radiation patch and bottom micro-strip and obtains transmitting antenna in plate.Transmitting antenna and receiving antenna are mounted in same microwave board and obtain phased array dual-mode antenna.The Antenna Operation has both miniaturization and two-dimensional imaging function in millimeter wave high band, has the technical effect for improving vehicle-mounted phased-array radar scanning accuracy.
Description
Technical field
The present invention relates to millimeter wave frequency band antenna technical fields, more particularly to a kind of Microstrip Receiving Antenna, transmitting antenna
And vehicle-mounted phased array antenna.
Background technique
Wireless wave used by radar scanning technic specifically includes that far infrared/near-infrared, ultrasonic, millimeter wave etc. at present,
In practical application, far infrared/near-infrared light waves are easy to be influenced by the variation of weather environment, rainy or dense fog evil is encountered
Its penetration capacity is deteriorated when bad weather, and while meeting with extreme weather results even in far infrared/near-infrared light waves radar and can not make
With；And the slow many of ultrasonic spread speed for electromagnetic wave, when automobile highway with hundred kilometers when driving, surpass
Scanning result error is big when sound wave causes ultrasonic radar in vehicular applications because that can not pull up to running speed, meanwhile, Supersonic
Wave radar also has that directionality is poor, the angle of divergence is big, causes resolving power to decline because energy loss is serious during diverging, easily nearly
The vehicle in lane or the object in roadside be mistakenly considered measurement target, thus cause ultrasonic radar in vehicular applications scanning accuracy into
The consequence that one step reduces；Millimetre-wave radar have wavelength is short, directive property is high, strong along straight line penetration capacity, can not only detect mesh
Target distance, opposite bit rate and orientation are highly suitable to be applied for Vehicular radar system the advantages that being also imaged.
Currently, the one-dimensional linear that automobile-used millimetre-wave radar antenna on the market is usually made of the series fed antenna in a small number of channels
Array is realized, therefore only has the function of one-dimensional scanning, it can be achieved that ranging, testing the speed, the function of anticollision, but do not have imaging function.
Meanwhile the same side of pcb board is usually arranged in all kinds of processing chips and antenna array by traditional automobile-used millimetre-wave radar antenna,
Cause the spatial area of automobile-used millimetre-wave radar antenna larger；Meanwhile traditional high frequency antenna generallys use the realization of LTCC technique,
Production cost is higher.
As it can be seen that vehicle-mounted millimeter wave radar antenna, which exists in the prior art, does not have that imaging function, volume be larger, production cost
Higher technical problem.
Summary of the invention
The application provides a kind of Microstrip Receiving Antenna, transmitting antenna and vehicle-mounted phased array antenna, to solve the prior art
In there is vehicle-mounted millimeter wave radar antenna do not have that imaging function, volume be larger, the higher technical problem of production cost.
The application first aspect provides a kind of multi-layer board Microstrip Receiving Antenna, comprising:
Receive multiplayer microwave plate；
First radiation patch, the second radiation patch, setting are micro- in outermost first in the reception multiplayer microwave plate
On the outer surface of wave plate, first radiation patch and second radiation patch are rectangle, and first radiation patch with
The size of second radiation patch is different；
Gap is coupled, is arranged in the second microwave board in the reception multiplayer microwave plate, and be located at first radiation
Patch and second radiation patch are in the drop shadow spread of second microwave board；
Strip line is fed, is arranged in the third microwave board in the reception multiplayer microwave plate, and couple gap with described
Connection；
The outer surface that the reception multiplayer microwave plate is in outermost 4th microwave board is arranged in bottom microstrip feed line
On, the 4th microwave board is different from first microwave board；
First telltale hole, is arranged in the reception multiplayer microwave plate and the connection feed strip line and the bottom are micro-
Ribbon feeder.
Optionally, the receiving antenna further include:
At least two layers of first metal ground layers, it is micro- that the internal layer for receiving multiplayer microwave plate is arranged in first metal ground layer
On the surface of wave plate, to be grounded；
First ground hole is arranged in the reception multiplayer microwave plate, and connects two layers of first metal ground layers.
Optionally, the receiving antenna further include:
At least two first shield openings are arranged in the reception multiplayer microwave plate, and surround the feed strip line,
In, at least two first shield opening surrounds the first shielding cavity.
Optionally, first telltale hole, first ground hole and first shield opening is axial parallel, and institute
It states axial vertical with the reception plate face of multiplayer microwave plate.
Optionally, the quantity of first radiation patch and second radiation patch is even number, wherein first spoke
It penetrates patch and second radiation patch is symmetrically arranged both with respect to same straight line.
The embodiment of the present application second aspect provides a kind of multi-layer board micro-strip transmitting antenna, comprising:
Emit multiplayer microwave plate；
Upper layer radiation patch is arranged in the transmitting multiplayer microwave plate and is on the outer surface of outermost first laminate；
Lower layer's radiation patch is arranged on the second laminate in the transmitting multiplayer microwave plate, the upper layer radiation patch
Positioned at lower layer's radiation patch in the drop shadow spread of first laminate；
Bottom micro-strip is arranged in the transmitting multiplayer microwave plate and is on the outer surface of outermost third laminate, described
Third laminate is different from first laminate；
Second signal hole is arranged in the transmitting multiplayer microwave plate, and connects lower layer's radiation patch and the bottom
Layer micro-strip.
Optionally, the transmitting antenna further include:
At least two layers of second metal ground layers, the internal layer that the transmitting multiplayer microwave plate is arranged in second metal ground layer are micro-
On the surface of wave plate, to be grounded；
Second ground hole is arranged in the transmitting multiplayer microwave plate, and connects two layers of second metal ground layers.
Optionally, the second signal hole, the axial direction of second ground hole are parallel, and the axial direction and the reception are more
The plate face of layer microwave board is vertical.
Optionally, the upper layer radiation patch is rectangle, and when the quantity of the upper layer radiation patch is at least two,
The linear arrangement of at least two upper layer radiation patch.
The application third aspect provides a kind of vehicle-mounted phased array dual-mode antenna, comprising:
The reception front of receiving antenna composition as described in relation to the first aspect, all receiving antennas received in front
Reception multiplayer microwave plate is the same first multiplayer microwave plate；
The transmitting front of transmitting antenna composition as described in second aspect, all transmitting antennas in the transmitting front
Transmitting multiplayer microwave plate is the same second multiplayer microwave plate；
Wherein, in all first radiation patch received in front, the second radiation patch and the transmitting front
All upper layer radiation patch are located on the same surface of same microwave laminate, it is described receive front in all feed strip lines with
All lower layer's radiation patch in the transmitting front are located on the same surface of same microwave laminate；In the reception front
All bottom micro-strips in all bottom microstrip feed lines and the transmitting front are located on the same surface of same microwave laminate；And
The first multiplayer microwave plate is identical as the thickness of the second multiplayer microwave plate.
Optionally, the knot of structuring the formation of first radiation patch, second radiation patch and the upper layer radiation patch
Structure is Thinned arrays structure.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
Technical solution in the embodiment of the present application is different by the way that size is arranged in the outermost surfaces of multiplayer microwave plate
The first radiation patch of rectangle, the second radiation patch, and design coupling gap, feed strip line in plate, in another outer surface
Upper setting bottom microstrip feed line, and setting connection feeds the first telltale hole of strip line and bottom microstrip feed line and obtains in plate
Microstrip Receiving Antenna；Upper layer radiation patch is set in the outermost surfaces of multiplayer microwave plate, and setting can cover upper layer in plate
Lower layer's radiation patch of radiation patch, and bottom micro-strip is set on another outer surface, the setting connection lower layer radiation in plate
The second signal hole of patch and bottom micro-strip and obtain micro-strip transmitting antenna.Micro-strip transmitting antenna and Microstrip Receiving Antenna are installed
Vehicle-mounted phased array dual-mode antenna is obtained on same multiplayer microwave plate.The Antenna Operation has both small-sized in millimeter wave high band
Change and two-dimensional imaging function have the technical effect for improving vehicle-mounted phased-array radar scanning accuracy.
Detailed description of the invention
Fig. 1 is a kind of sectional structure chart of multi-layer board Microstrip Receiving Antenna provided in an embodiment of the present invention；
Fig. 2 is a kind of three-dimensional structure diagram of multi-layer board Microstrip Receiving Antenna provided in an embodiment of the present invention；
Fig. 3 is a kind of sectional structure chart of multi-layer board micro-strip transmitting antenna provided in an embodiment of the present invention；
Fig. 4 is a kind of three-dimensional structure diagram of multi-layer board micro-strip transmitting antenna provided in an embodiment of the present invention；
Fig. 5 is a kind of front structure chart of vehicle-mounted phased array dual-mode antenna provided in an embodiment of the present invention；
Fig. 6 is a kind of layout structure figure of the receiving antenna submatrix of Thinned arrays structure provided in an embodiment of the present invention.
Specific embodiment
The application provides a kind of Microstrip Receiving Antenna, transmitting antenna and vehicle-mounted phased array antenna, to solve the prior art
In there is vehicle-mounted millimeter wave radar antenna do not have that imaging function, volume be larger, the higher technical problem of production cost.
Technical solution in the embodiment of the present application is in order to solve the above technical problems, general thought is as follows:
Technical solution in the embodiment of the present application is different by the way that size is arranged in the outermost surfaces of multiplayer microwave plate
The first radiation patch of rectangle, the second radiation patch, and design coupling gap, feed strip line in plate, in another outer surface
Upper setting bottom microstrip feed line, and setting connection feeds the first telltale hole of strip line and bottom microstrip feed line and obtains in plate
Microstrip Receiving Antenna；Upper layer radiation patch is set in the outermost surfaces of multiplayer microwave plate, and setting can cover upper layer in plate
Lower layer's radiation patch of radiation patch, and bottom micro-strip is set on another outer surface, the setting connection lower layer radiation in plate
The second signal hole of patch and bottom micro-strip and obtain micro-strip transmitting antenna.Micro-strip transmitting antenna and Microstrip Receiving Antenna are installed
Vehicle-mounted phased array dual-mode antenna is obtained on same multiplayer microwave plate.The Antenna Operation has both small-sized in millimeter wave high band
Change and two-dimensional imaging function have the technical effect for improving vehicle-mounted phased-array radar scanning accuracy.
Technical scheme is described in detail below by attached drawing and specific embodiment, it should be understood that the application
Specific features in embodiment and embodiment are the detailed description to technical scheme, rather than to present techniques
The restriction of scheme, in the absence of conflict, the technical characteristic in the embodiment of the present application and embodiment can be combined with each other.
The terms "and/or", only a kind of incidence relation for describing affiliated partner, indicates that there may be three kinds of passes
System, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.In addition, herein
Middle character "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or".
Embodiment one
Fig. 1, Fig. 2 are please referred to, the embodiment of the present application one provides a kind of multi-layer board Microstrip Receiving Antenna, comprising:
Receive multiplayer microwave plate；
First radiation patch 101, the second radiation patch 102, setting are in outermost in the reception multiplayer microwave plate
On the outer surface of first microwave board, first radiation patch 101 and second radiation patch 102 are rectangle, and described the
One radiation patch 101 is different from the size of second radiation patch 102；It should be pointed out that the ruler in the embodiment of the present application
Very little difference can refer to that first radiation patch 101 and the length and width of second radiation patch 102 have one respectively
Thus difference can be respectively formed two different resonance frequencies.Meanwhile first radiation patch 101 and described second
The length and width of radiation patch 102 is corresponding with the working frequency of the Microstrip Receiving Antenna, thus may make first spoke
It penetrates patch 101 and the received unlimited wave frequency of second radiation patch 102 belongs to the working frequency of the receiving antenna
Section, that is, millimeter wave high band.
Gap 103 is coupled, is arranged in the second microwave board in the reception multiplayer microwave plate, and be located at first spoke
Patch 101 and second radiation patch 102 are penetrated in the drop shadow spread of second microwave board；
Feed strip line 104, be arranged in it is described reception multiplayer microwave plate in third microwave board on, and with the coupling slot
Gap 103 connects；
The appearance that the reception multiplayer microwave plate is in outermost 4th microwave board is arranged in bottom microstrip feed line 105
On face, the 4th microwave board is different from first microwave board；
First telltale hole 106 is arranged in the receptions multiplayer microwave plate and connects the feed strip line 104 and described
Bottom microstrip feed line 105.
In practical operation, high frequency can be received with second radiation patch 102 by first radiation patch 101
Then section millimeter-wave signal couples a signal to feed strip line 104 by coupling gap 103, then passes through the first telltale hole 106
It is defeated to arrive bottom microstrip feed line 105, late-class circuit is finally transferred to by bottom microstrip feed line 105.Meanwhile in the embodiment of the present application
Radio frequency processing chip will not be set in microwave plate surface where its radiation patch of receiving antenna, it is possible thereby to which it is whole horizontal to reduce antenna
Sectional area has the technical effect of the miniaturization so that millimeter wave high band microstrip antenna more becomes.
Further, the receiving antenna in the embodiment of the present application further include:
At least two layers of first metal ground layers 1071, first metal ground layer 1071 are arranged in the reception multiplayer microwave plate
Internal layer microwave board surface on, to be grounded；
First ground hole 1072 is arranged in the reception multiplayer microwave plate, and connects two layers of first metal ground layers 1071.
That is, the first metal ground layer 1071 in the embodiment of the present application can be two layers or two layers or more of quantity,
First ground hole 1072 or one or more quantity, each first ground hole 1072 connect two layers of first metals
Stratum 1071 is separately connected which two layers of first metal ground layer, 1071 user can according to need as each first ground hole 1072
And self-setting, it is possible thereby to improve the applicability and scalability of the embodiment of the present application receiving antenna.
Still further, the receiving antenna further include:
At least two first shield openings 108 are arranged in the reception multiplayer microwave plate, and surround the feed strip line
104, wherein at least two first shield opening 108 surrounds the first shielding cavity.
It should be pointed out that first shield opening 108 can be to be arranged in feed the micro- of 104 place of strip line with described
In wave plate, it is also possible in two layers of microwave board for abutting the feed strip line 104, as long as surrounding the feed strip line
104 position.Meanwhile closest microwave board can surround institute with these the first shield openings 108 with feed strip line 104
State the first shielding cavity.
In the embodiment of the present application technical solution, it can be formed by first shielding cavity different from the first radiation patch
101 and second radiation patch 102 formed resonance point, thus can further widen the bandwidth of the receiving antenna；Meanwhile it is described
First shielding cavity also has the function of coupling influence between reduction bay, antenna array performance caused by can avoid because of close coupling
Decline, therefore the technical solution in the embodiment of the present application also has the technical effect for further promoting antenna communication performance.
Still further, first telltale hole 106, first ground hole 1072 and first shield opening 108
It is axial parallel, to constitute similar axle construction to reach the transfer function to radiofrequency signal.Also, in the embodiment of the present application
In technical solution, the relative distance between first ground hole 1072 and the first telltale hole 106 is pre-determined distance, it is possible thereby to
So that the impedance of the similar axle construction is default impedance, so as to further promote the communication performance of receiving antenna and be applicable in
Property.Also, the axial direction of first telltale hole 106, first ground hole 1072 and first shield opening 108 with it is described
Receive multiplayer microwave plate plate face it is vertical, it is possible thereby to make first telltale hole 106, first ground hole 1072 and
First shield opening, the 108 real space volume reaches minimum, on the one hand can save processing raw material, on the other hand may be used also
Difficulty is processed to reduce.
Still further, the quantity of first radiation patch 101 and second radiation patch 102 is even number, wherein
First radiation patch 101 and second radiation patch 102 are symmetrically arranged both with respect to same straight line.
The same straight line can be any straight line in radiation patch, such as can be face where radiation patch
On a middle line, a diagonal line, a vertical line, or even can also be first radiation patch 101 or described second
Line in radiation patch 102 etc..Certainly, first radiation patch 101 and second radiation patch 102 can be with
It is arranged symmetrically for being respectively relative to a plurality of straight line simultaneously, it is possible thereby to form the antenna magnetic field of different mode to meet different need
It wants.
In the embodiment of the present application, the quantity of first radiation patch 101 is four, second radiation patch 102
Quantity be two, first radiation patch 101 and second radiation patch 102 be not only with respect to one of radiation patch
Middle line is symmetrical, and second radiation patch 102 is also pair with center line of two the first radiation patch 101 where common
Claim.Certainly, the setting that can also have other similar in practical operation, the embodiment of the present application technical solution do not limit further
System.
Embodiment two
Please refer to Fig. 3, Fig. 4, the embodiment of the present application two provides a kind of multi-layer board micro-strip transmitting antenna and includes:
Emit multiplayer microwave plate；
The outer surface that the transmitting multiplayer microwave plate is in outermost first laminate is arranged in upper layer radiation patch 201
On；
Lower layer's radiation patch 202 is arranged on the second laminate in the transmitting multiplayer microwave plate, the upper layer radiation patch
Piece 201 is located at lower layer's radiation patch 202 in the drop shadow spread of first laminate；It is pointed out that the upper layer
The quantity of radiation patch 201 and lower layer's radiation patch 202 can be one or more.In the embodiment of the present application, described
Lower layer's radiation patch 202 is that multiple radiation patch piece together to form monolith lower layer radiation patch 202.Pass through the upper layer radiation patch
201 from the setting of lower layer's radiation patch 202 resonance frequency that can to form two different, to widen the micro-strip transmitting
The bandwidth of antenna.
Bottom micro-strip 203 is arranged in the transmitting multiplayer microwave plate and is on the outer surface of outermost third laminate, institute
It is different from first laminate to state third laminate；
Second signal hole 204 is arranged in the transmitting multiplayer microwave plate, and connects 202 He of lower layer's radiation patch
The bottom micro-strip 203.
When practical operation, radiofrequency signal can be inputted by the bottom micro-strip 203, and pass through the second signal hole 204
It is transferred to lower layer's radiation patch 202, is then fed into upper layer radiation patch 201 through the radiation of lower layer's radiation patch 202 again, most
Space is radiated outside by upper layer radiation patch 201 afterwards.It is similar with the receiving antenna of embodiment one kind, the embodiment of the present application
In transmitting antenna its radiation patch where radio frequency processing chip will not be set in microwave plate surface, equally can be it is possible thereby to subtract
Miniature antenna overall cross sectional area has the technical effect of the miniaturization so that millimeter wave high band microstrip antenna more becomes.
Further, the transmitting antenna further include:
At least two layers of second metal ground layers 2051, second metal ground layer 2051 are arranged in the transmitting multiplayer microwave plate
Internal layer microwave board surface on, to be grounded；
Second ground hole 2052 is arranged in the transmitting multiplayer microwave plate, and connects two layers of second metal ground layers 2051.
Likewise, the second metal ground layer 2051 or two layers or two layers or more of quantity in the embodiment of the present application,
Second ground hole 2052 or one or more quantity, each second ground hole 2052 connect two layers of second metals
Stratum 2051 is separately connected which two layers of second metal ground layer, 2051 user can according to need as each second ground hole 2052
And self-setting, it is possible thereby to improve the applicability and scalability of the embodiment of the present application receiving antenna.
Further, the second signal hole 204, second ground hole 2052 it is axial parallel, and the axial direction with
The plate face of the transmitting multiplayer microwave plate is vertical.It is similar with the receiving antenna in embodiment one, the second signal hole 204, institute
The axial parallel of the second ground hole 2052 is stated, to constitute similar axle construction to reach the transfer function to radiofrequency signal.Also,
Relative distance in technical solution in the embodiment of the present application, between second ground hole 2052 and second signal hole 204
For preset distance, it is possible thereby to the impedance of the similar axle construction in the transmitting antenna is made to be predetermined impedance, so as into
The communication performance and applicability of one step promotion transmitting antenna.
Still further, the upper layer radiation patch 201 is rectangle, and it is in the quantity of the upper layer radiation patch 201
When at least two, the linear arrangement of at least two upper layer radiation patch 201.
Embodiment three
Fig. 5, Fig. 6 are please referred to, the embodiment of the present application three provides a kind of vehicle-mounted phased array dual-mode antenna, comprising:
The reception front 301 of receiving antenna composition as described in embodiment one, all receptions received in front 301
The reception multiplayer microwave plate of antenna is the same first multiplayer microwave plate；
The transmitting front 302 of transmitting antenna composition as described in embodiment two, all transmittings emitted in front 302
The transmitting multiplayer microwave plate of antenna is the same second multiplayer microwave plate；
Wherein, all first radiation patch 101 received in front 301, the second radiation patch 102 and the transmitting
All upper layer radiation patch 201 in front 302 are located on the same surface of same microwave laminate, in the reception front 301
All feed strip lines 104 and it is described transmitting front 302 in all lower layer's radiation patch 202 be located at same microwave laminate
On same surface；All bottoms in all bottom microstrip feed lines 105 received in front 301 and the transmitting front 302
Layer micro-strip 203 is located on the same surface of same microwave laminate；And the first multiplayer microwave plate and second multiplayer microwave
The thickness of plate is identical.
It can make the vehicle-mounted phased array dual-mode antenna product in the embodiment of the present application, receiving antenna by above-mentioned setting
It realizes and is compatible with transmitting antenna, so as to complete whole dual-mode antenna under minimum production cost and product space volume conditions
Design and producing.
Further in the embodiment of the present application, the knot of structuring the formation for receiving the multi-layer board Microstrip Receiving Antenna in front 301
Structure is that (all small squares are that the multi-layer board micro-strip in embodiment one receives day to Thinned arrays structure as shown in FIG. 6 in Fig. 6
Line), that is to say, that the Thinned arrays structure composition in Fig. 6 such as can be used to receive day the multi-layer board Microstrip Receiving Antenna in Fig. 2
Line submatrix, then the receiving antenna submatrix in Fig. 6 is formed into the reception front 301 in Fig. 5, front cloth can be greatly saved in this way
Office space, is conducive to back side chip array；And the array structure of the multi-layer board micro-strip transmitting antenna can be sequence arrangement knot
Structure, so that the arrangement mode of the upper layer radiation patch 201 is similarly linear transmitting front 302 as shown in Figure 5.By this
The kind mode of structuring the formation can make antenna array structure more regular, facilitate design and chip layout；Meanwhile it can also further incite somebody to action
Multi-layer board Microstrip Receiving Antenna and multi-layer board micro-strip transmitting antenna in multiple the embodiment of the present application carry out a group battle array layout, so as to
High minor lobe caused by structuring the formation using rule is solved the problems, such as by the weighting of full battle array amplitude-phase, so that the vehicle-mounted phased array antenna is realized
Phased array two-dimensional scanning further realizes radar imagery function.
It can be seen that the technical solution in the embodiment of the present application is by being arranged ruler in the outermost surfaces of multiplayer microwave plate
Very little different the first radiation patch of rectangle, the second radiation patch, and design coupling gap, feed strip line in plate, another
Bottom microstrip feed line is set on outer surface, and setting connection feeds the first signal of strip line and bottom microstrip feed line in plate
Hole and obtain Microstrip Receiving Antenna；Upper layer radiation patch is set in the outermost surfaces of multiplayer microwave plate, energy is set in plate
Lower layer's radiation patch of upper layer radiation patch is covered, and bottom micro-strip is set on another outer surface, connection is set in plate
The second signal hole of lower layer's radiation patch and bottom micro-strip and obtain micro-strip transmitting antenna.Micro-strip transmitting antenna and micro-strip are received
Antenna is mounted on same multiplayer microwave plate and obtains vehicle-mounted phased array dual-mode antenna.The Antenna Operation in millimeter wave high band,
Miniaturization and two-dimensional imaging function are had both, there is the technical effect for improving vehicle-mounted phased-array radar scanning accuracy.
Although the preferred embodiment of the application has been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the application range.
Obviously, those skilled in the art can carry out various modification and variations without departing from the essence of the application to the application
Mind and range.Further, each method and step in technical scheme can overturn, and convert sequencing and still fall
Enter in the invention scope that the application is covered.In this way, if these modifications and variations of the application belong to the claim of this application
And its within the scope of equivalent technologies, then the application is also intended to include these modifications and variations.
Claims (11)
1. a kind of multi-layer board Microstrip Receiving Antenna characterized by comprising
Receive multiplayer microwave plate；
First radiation patch, the second radiation patch are arranged and are in outermost first microwave board in the reception multiplayer microwave plate
Outer surface on, first radiation patch and second radiation patch are rectangle, and first radiation patch with it is described
The size of second radiation patch is different；
Gap is coupled, is arranged in the second microwave board in the reception multiplayer microwave plate, and be located at first radiation patch
And second radiation patch is in the drop shadow spread of second microwave board；
Strip line is fed, is arranged in the third microwave board in the reception multiplayer microwave plate, and connect with the coupling gap；
Bottom microstrip feed line is arranged in the reception multiplayer microwave plate and is on the outer surface of outermost 4th microwave board, institute
It is different from first microwave board to state the 4th microwave board；
First telltale hole is arranged in the reception multiplayer microwave plate and connects the feed strip line and bottom micro-strip feedback
Line.
2. receiving antenna as described in claim 1, which is characterized in that the receiving antenna further include:
The internal layer microwave board for receiving multiplayer microwave plate is arranged at least two layers of first metal ground layers, first metal ground layer
Surface on, to be grounded；
First ground hole is arranged in the reception multiplayer microwave plate, and connects two layers of first metal ground layers.
3. receiving antenna as claimed in claim 2, which is characterized in that the receiving antenna further include:
At least two first shield openings are arranged in the reception multiplayer microwave plate, and surround the feed strip line, wherein
At least two first shield opening surrounds the first shielding cavity.
4. receiving antenna as claimed in claim 3, which is characterized in that first telltale hole, first ground hole and institute
The axial parallel of the first shield opening is stated, and the axial direction is vertical with the reception plate face of multiplayer microwave plate.
5. receiving antenna as described in claim 1, which is characterized in that first radiation patch and second radiation patch
Quantity be even number, wherein first radiation patch and second radiation patch are symmetrically arranged both with respect to same straight line
Column.
6. a kind of multi-layer board micro-strip transmitting antenna characterized by comprising
Emit multiplayer microwave plate；
Upper layer radiation patch is arranged in the transmitting multiplayer microwave plate and is on the outer surface of outermost first laminate；
Lower layer's radiation patch is arranged on the second laminate in the transmitting multiplayer microwave plate, and the upper layer radiation patch is located at
Lower layer's radiation patch is in the drop shadow spread of first laminate；
Bottom micro-strip is arranged in the transmitting multiplayer microwave plate and is on the outer surface of outermost third laminate, the third
Laminate is different from first laminate；
Second signal hole is arranged in the transmitting multiplayer microwave plate, and connection lower layer's radiation patch and the bottom are micro-
Band.
7. transmitting antenna as claimed in claim 6, which is characterized in that the transmitting antenna further include:
The internal layer microwave board of the transmitting multiplayer microwave plate is arranged at least two layers of second metal ground layers, second metal ground layer
Surface on, to be grounded；
Second ground hole is arranged in the transmitting multiplayer microwave plate, and connects two layers of second metal ground layers.
8. transmitting antenna as claimed in claim 7, which is characterized in that the second signal hole, second ground hole axis
To parallel, and the axial direction is vertical with the transmitting plate face of multiplayer microwave plate.
9. transmitting antenna as described in claim 1, which is characterized in that the upper layer radiation patch is rectangle, and on described
When the quantity of layer radiation patch is at least two, the linear arrangement of at least two upper layer radiation patch.
10. a kind of vehicle-mounted phased array dual-mode antenna characterized by comprising
The reception front of receiving antenna as claimed in claims 1-5 composition, it is described to receive all receiving antennas in front
Reception multiplayer microwave plate is the same first multiplayer microwave plate；
The transmitting front of transmitting antenna composition as described in claim 6-9, all transmitting antennas in the transmitting front
Transmitting multiplayer microwave plate is the same second multiplayer microwave plate；
Wherein, all in all first radiation patch received in front, the second radiation patch and the transmitting front
Upper layer radiation patch is located on the same surface of same microwave laminate, it is described receive front in all feed strip lines with it is described
All lower layer's radiation patch in transmitting front are located on the same surface of same microwave laminate；It is all in the reception front
All bottom micro-strips in bottom microstrip feed line and the transmitting front are located on the same surface of same microwave laminate；And it is described
First multiplayer microwave plate is identical as the thickness of the second multiplayer microwave plate.
11. phased array dual-mode antenna as claimed in claim 10, which is characterized in that first radiation patch, described second
The array structure of radiation patch and the upper layer radiation patch is Thinned arrays structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910537791.4A CN110311211A (en) | 2019-06-20 | 2019-06-20 | A kind of Microstrip Receiving Antenna, transmitting antenna and vehicle-mounted phased array antenna |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910537791.4A CN110311211A (en) | 2019-06-20 | 2019-06-20 | A kind of Microstrip Receiving Antenna, transmitting antenna and vehicle-mounted phased array antenna |
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| CN110311211A true CN110311211A (en) | 2019-10-08 |
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|---|---|---|---|
| CN201910537791.4A Pending CN110311211A (en) | 2019-06-20 | 2019-06-20 | A kind of Microstrip Receiving Antenna, transmitting antenna and vehicle-mounted phased array antenna |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111273116A (en) * | 2020-04-03 | 2020-06-12 | 南京容测检测技术有限公司 | Travelling wave type electromagnetic compatibility test device in shielding room |
| CN113054446A (en) * | 2021-03-17 | 2021-06-29 | 中国人民解放军海军潜艇学院 | Ku frequency channel series feed antenna design system |
| CN118263683A (en) * | 2024-04-17 | 2024-06-28 | 淮阴师范学院 | Microstrip antenna using asymmetric strip line for feeding |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4761654A (en) * | 1985-06-25 | 1988-08-02 | Communications Satellite Corporation | Electromagnetically coupled microstrip antennas having feeding patches capacitively coupled to feedlines |
| US5005019A (en) * | 1986-11-13 | 1991-04-02 | Communications Satellite Corporation | Electromagnetically coupled printed-circuit antennas having patches or slots capacitively coupled to feedlines |
| US20050054317A1 (en) * | 2003-09-09 | 2005-03-10 | Haeng-Sook Ro | Microstrip patch antenna having high gain and wideband |
| US20080074338A1 (en) * | 2006-09-26 | 2008-03-27 | Honeywell International Inc. | Dual band antenna aperature for millimeter wave synthetic vision systems |
| CN107394382A (en) * | 2017-07-18 | 2017-11-24 | 成都天锐星通科技有限公司 | A kind of bay |
| CN108987911A (en) * | 2018-06-08 | 2018-12-11 | 西安电子科技大学 | A kind of millimeter wave wave beam forming micro-strip array antenna and design method based on SIW |
| CN109449583A (en) * | 2018-10-31 | 2019-03-08 | 安徽四创电子股份有限公司 | A kind of 5G Millimeter Wave Phased Array Antenna |
| CN208889845U (en) * | 2018-09-18 | 2019-05-21 | 成都天锐星通科技有限公司 | A kind of microstrip antenna |
| CN208889846U (en) * | 2018-09-18 | 2019-05-21 | 成都天锐星通科技有限公司 | A kind of phased array antenna mechanism |
| CN210516980U (en) * | 2019-06-20 | 2020-05-12 | 成都天锐星通科技有限公司 | Microstrip receiving antenna, transmitting antenna and vehicle-mounted phased array antenna |
-
2019
- 2019-06-20 CN CN201910537791.4A patent/CN110311211A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4761654A (en) * | 1985-06-25 | 1988-08-02 | Communications Satellite Corporation | Electromagnetically coupled microstrip antennas having feeding patches capacitively coupled to feedlines |
| US5005019A (en) * | 1986-11-13 | 1991-04-02 | Communications Satellite Corporation | Electromagnetically coupled printed-circuit antennas having patches or slots capacitively coupled to feedlines |
| US20050054317A1 (en) * | 2003-09-09 | 2005-03-10 | Haeng-Sook Ro | Microstrip patch antenna having high gain and wideband |
| US20080074338A1 (en) * | 2006-09-26 | 2008-03-27 | Honeywell International Inc. | Dual band antenna aperature for millimeter wave synthetic vision systems |
| CN107394382A (en) * | 2017-07-18 | 2017-11-24 | 成都天锐星通科技有限公司 | A kind of bay |
| CN108987911A (en) * | 2018-06-08 | 2018-12-11 | 西安电子科技大学 | A kind of millimeter wave wave beam forming micro-strip array antenna and design method based on SIW |
| CN208889845U (en) * | 2018-09-18 | 2019-05-21 | 成都天锐星通科技有限公司 | A kind of microstrip antenna |
| CN208889846U (en) * | 2018-09-18 | 2019-05-21 | 成都天锐星通科技有限公司 | A kind of phased array antenna mechanism |
| CN109449583A (en) * | 2018-10-31 | 2019-03-08 | 安徽四创电子股份有限公司 | A kind of 5G Millimeter Wave Phased Array Antenna |
| CN210516980U (en) * | 2019-06-20 | 2020-05-12 | 成都天锐星通科技有限公司 | Microstrip receiving antenna, transmitting antenna and vehicle-mounted phased array antenna |
Non-Patent Citations (1)
| Title |
|---|
| 徐俊珺等: "Ku波段宽频带微带贴片天线的单元设计", 桂林电子科技大学学报, vol. 26, no. 04, 25 August 2006 (2006-08-25), pages 264 - 267 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111273116A (en) * | 2020-04-03 | 2020-06-12 | 南京容测检测技术有限公司 | Travelling wave type electromagnetic compatibility test device in shielding room |
| CN113054446A (en) * | 2021-03-17 | 2021-06-29 | 中国人民解放军海军潜艇学院 | Ku frequency channel series feed antenna design system |
| CN118263683A (en) * | 2024-04-17 | 2024-06-28 | 淮阴师范学院 | Microstrip antenna using asymmetric strip line for feeding |
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