CN209624763U - Millimeter wave antenna structure, microwave rotating radar and moveable platform - Google Patents
Millimeter wave antenna structure, microwave rotating radar and moveable platform Download PDFInfo
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- CN209624763U CN209624763U CN201822027957.1U CN201822027957U CN209624763U CN 209624763 U CN209624763 U CN 209624763U CN 201822027957 U CN201822027957 U CN 201822027957U CN 209624763 U CN209624763 U CN 209624763U
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Abstract
The utility model is provided for providing a kind of millimeter wave antenna structure, microwave rotating radar and moveable platform, the millimeter wave antenna structure includes: substrate, it is formed with mutiple antennas array on the substrate, the multiple aerial array includes at least one transmitting antenna array and multiple receiving antenna arrays, at least one described transmitting antenna array and multiple receiving antenna arrays are parallel to each other and arranged for interval；Each receiving antenna array includes an at least column microband paste unit, and microband paste unit described in each column includes two groups of microband paste units being symmetric；Spacing between the two neighboring receiving antenna array is 6.0mm~15.0mm.Millimeter wave antenna structure, microwave rotating radar and moveable platform according to the present utility model can realize biggish measurable angle range and biggish angle resolution under lesser size, meet the actual needs.
Description
Technical field
The utility model generally relates to antenna structure technical field, relates more specifically to a kind of millimeter wave antenna structure, micro-
Wave rotating radar and moveable platform.
Background technique
With the development of millimetric wave device, millimetre-wave radar can realize miniaturization, integrated, in the identical feelings of antenna aperture
Under condition, millimetre-wave radar can get narrower antenna beam, and angle resolution and the survey of radar can be improved in higher antenna gain
Angular accuracy, and be conducive to Anti-amyloid-β antibody, noise jamming and multipath reflection interference.The existing day for realizing larger range detection
Line scheme the energy centralization that feed is radiated got up to be formed mainly include the following types: 1, lens antenna, using lens one it is sharp
Wave beam is just correspondingly formed the multiple wave beams being pointed in different directions, general feed is when nearby multiple feeds are arranged in lens focus
Electromagnetic horn；2, reflector antenna is similar with lens antenna principle, and the energy of feed is reflected to form one using reflecting surface
Sharp wave beam, reflecting surface near focal point have multiple feeds, and the feed of different location, which can be formed, is directed toward different wave beams 3, phased array
Antenna connects a control unit below each array element, passes through amplitude, the phase of each array element of control, Lai Hecheng designated parties
To wave beam.4, mechanical rotable antenna realizes beam scanning using mechanical rotational structure, using transmitting narrow beam in certain space
Interior scanning improves resolution ratio while realizing big investigative range.5,mimo(Multiple-Input Multiple-
Output) radar form improves angle resolution using multiple-input multiple-output scheme.
However, above scheme has some places that do not comply with one's wishes, such as scheme 1, antenna lens is low-loss, Gao Jie electricity
Constant material, processing difficulties, precision is low, and the size and weight of lens are all quite big；Scheme 2, similar lens antenna, reflecting surface
Section, weight are larger, need to occupy much room；Scheme 3, each array element of phased array are required to T/R (transmitting/reception) group
Part, structure is complicated, and cost is high, generally as military use；For scheme 4, mechanical structure itself is complicated, at high cost, reliability
Low, for scheme 5, the multiple-input multiple-output antenna system of MIMO form is complicated, and transmitting needs timesharing to switch, and corresponding data processing is very
It is complicated.
Utility model content
Propose the utility model at least one of to solve the above-mentioned problems.The utility model provides a kind of millimeter
Wave antenna structure, microwave rotating radar and moveable platform, the antenna structure are real while obtaining preferable angle resolution
Existing biggish measurable angle range, can make radar detection ability cover biggish field angle (FOV), effectively improve the safety of aircraft
Property, while can realize around specific functions such as barriers.
Specifically, the utility model first aspect provides a kind of millimeter wave antenna structure, comprising:
Substrate, is formed with mutiple antennas array in the first side of the substrate, and the multiple aerial array includes extremely
A few transmitting antenna array and multiple receiving antenna arrays, at least one described transmitting antenna array and multiple reception days
Linear array is parallel to each other and arranged for interval；
Each receiving antenna array includes an at least column microband paste unit, microband paste unit packet described in each column
Include two groups of microband paste units being symmetric；
Spacing between the two neighboring receiving antenna array is 6.0mm~15.0mm.
In the utility model one embodiment, spacing between the adjacent receiving antenna array be 6.2mm~
12.5mm。
In the utility model one embodiment, the spacing between the adjacent receiving antenna array is 6.6mm.
In the utility model one embodiment, the transmitting antenna array includes the micro-strip that at least two column are electrically connected to each other
Chip unit, microband paste unit described in each column includes two groups of microband paste units being symmetric.
Each microband paste unit in the utility model one embodiment, in microband paste unit described in each column
Size is mutually the same；Alternatively, the area of each microband paste unit in microband paste unit described in each column is from symmetrically
The heart is sequentially reduced to two sides；Alternatively, the shape of the microband paste unit is rectangle, circle, semicircle or ellipse；Alternatively, every
Group microband paste unit includes 6 or more microband paste units.
In the utility model one embodiment, further includes: feeding network is formed in the first side of the substrate
On, the feeding network includes the multiple microstrip lines being electrically connected respectively with microband paste unit described in each column.
In the utility model one embodiment, microband paste unit described in the microstrip line and each column by and present mode
Connection；And/or the microstrip line is connect with microband paste unit described in each column by series feed mode.
In the utility model one embodiment, further includes: the radio circuit being electrically connected with the feeding network, it is described to penetrate
Frequency circuit includes at least one transmitting chip and two reception chips, and the function point being electrically connected with two reception chips
Device.
In the utility model one embodiment, the radio circuit is formed in the second side of the substrate.
In the utility model one embodiment, be also formed on the substrate respectively with microband paste list described in each column
The multiple via holes or feed probes of the microstrip line electrical connection of member, the feeding network by multiple via holes or feed probes and
The radio circuit connection.
In the utility model one embodiment, multiple microstrip lines are also formed in the second side of the substrate, often
A via hole or feed probes are connected to the radio circuit by the corresponding microstrip line.
In the utility model one embodiment, microband paste unit described in each column is penetrated by coupling feed way with described
Frequency circuit electrical connection.
In the utility model one embodiment, the radio circuit is formed in the first side of the substrate.
In the utility model one embodiment, microband paste unit described in each column is connected to the radio frequency by microstrip line
Circuit.
In the utility model one embodiment, microband paste unit described in the microstrip line and each column in a vertical manner or
Angled manner connection.
In the utility model one embodiment, the substrate is doubling plate, three ply board, four laminates, five laminates or six layers
Plate；And/or the quantity of the receiving antenna array is 8 or more；And/or the substrate include antenna plate, earth plate and
Multiple wiring boards, the aerial array are formed in the antenna plate；The earth plate is located at the lower section of the antenna plate, is used for
It is electrically connected with the ground of the aerial array；The multiple wiring board, positioned at the lower section of the earth plate, for electric with radio circuit
Connection；Wherein, the antenna plate, the earth plate and multiple wiring boards are cascading；And/or the antenna
Array uses horizontal polarization mode or vertical polarization mode.
The utility model second aspect provides a kind of microwave rotating radar, comprising: fixed bracket；
Motor is mounted on the fixed bracket；
Runing rest is mounted on the rotor of the motor, and as the rotor of the motor rotates together；And
According to the millimeter wave antenna structure of the utility model first aspect, it is mounted on the runing rest.
The utility model third aspect provides a kind of moveable platform, comprising:
Fuselage；
Power device is mounted on the fuselage, and provides mobile power for the fuselage；And
According to microwave rotating radar described in the utility model second aspect, it is mounted on the fuselage.
The moveable platform described in the utility model one embodiment is unmanned plane, autonomous driving vehicle or ground remote control
Robot.
The utility model provides a kind of millimeter wave antenna structure, microwave rotating radar and moveable platform, this day knot
Structure realizes big measurable angle range, higher angle resolution, and gain, wave by the way of easy under lesser size
Beam width, minor lobe are able to satisfy actual use demand, greatly reduce cost and system data processing complexity.
Detailed description of the invention
Fig. 1 is the aerial array schematic diagram according to the millimeter wave antenna structure of an embodiment of the present invention；
Fig. 2 is the cross-sectional view according to the millimeter wave antenna structure of an embodiment of the present invention；
Fig. 3 is the antenna and radio-frequency devices connection signal according to the millimeter wave antenna structure of an embodiment of the present invention
Figure；
Fig. 4 is the H surface wave beam scanning directional diagram of millimeter wave antenna structure shown in Fig. 1, shown in figure 7 be respectively directed to-
45 °, -30 °, -15 °, 0 °, 15 °, 30 ° and 45 ° of wave beam；
Fig. 5 is the aerial array schematic diagram according to the millimeter wave antenna structure of another embodiment of the utility model；
Fig. 6 is the aerial array schematic diagram according to the millimeter wave antenna structure of another embodiment of the utility model；
Fig. 7 is the schematic cross sectional view according to the microwave rotating radar of an embodiment of the present invention；
Fig. 8 is the schematic diagram according to the moveable platform of an embodiment of the present invention.
Specific embodiment
In order to enable the purpose of this utility model, technical solution and advantage become apparent, retouch in detail below with reference to accompanying drawings
State example embodiment according to the present utility model.Obviously, described embodiment is only that a part of the utility model is implemented
Example, rather than the whole embodiments of the utility model, it should be appreciated that the utility model is not by the limit of example embodiment described herein
System.Based on the utility model embodiment described in the utility model, those skilled in the art are not being made the creative labor
In the case where obtained all other embodiment should all fall within the protection scope of the utility model.
In the following description, a large amount of concrete details are given more thoroughly to manage in order to provide to the utility model
Solution.It is, however, obvious to a person skilled in the art that the utility model may not need it is one or more of these thin
It saves and is carried out.In other examples, in order to avoid obscuring with the utility model, for more well known in the art
Technical characteristic is not described.
It should be understood that the utility model can be implemented in different forms, and should not be construed as being limited to mention here
Embodiment out.Disclosure will be made thoroughly and complete and the scope of the utility model is complete on the contrary, providing these embodiments
Ground passes to those skilled in the art.
The purpose of term as used herein is only that description specific embodiment and the limitation not as the utility model.In
This is in use, " one " of singular, "one" and " described/should " be also intended to include plural form, unless context understands finger
Other mode out.Be also to be understood that term " composition " and/or " comprising ", when being used in this specification, determine the feature,
The presence of integer, step, operations, elements, and/or components, but it is not excluded for one or more other features, integer, step, behaviour
Make, the presence or addition of component, assembly unit and/or group.Herein in use, term "and/or" includes any of related listed item
And all combinations.
In order to thoroughly understand the utility model, detailed step and detailed structure will be proposed in following description,
So as to illustrate the utility model proposes technical solution.The preferred embodiment of the utility model is described in detail as follows, however in addition to
These detailed descriptions are outer, and the utility model can also have other embodiments.
Fig. 1 is the aerial array schematic diagram according to the millimeter wave antenna structure of an embodiment of the present invention；
Fig. 2 is the cross-sectional view according to the millimeter wave antenna structure of an embodiment of the present invention；Fig. 3 is practical new according to this
The antenna and radio-frequency devices connection schematic diagram of the millimeter wave antenna structure of one embodiment of type.
It please refers to Fig.1 to Fig.3, the millimeter wave antenna structure 100 provided in the utility model embodiment includes substrate
101, it is formed with mutiple antennas array in the first side (i.e. positive) of the substrate 101, the multiple aerial array includes
One transmitting antenna array 1 and eight receiving antenna array 2-9, the transmitting antenna array 1 and the receiving antenna array 2-9
Parallel to each other and arranged for interval.
The transmitting antenna array 1 includes the microband paste unit 11 that two column are electrically connected to each other, microband paste described in each column
Unit 11 includes two groups of microband paste units 11 being symmetric.Illustratively, in the present embodiment, micro-strip described in each column is pasted
Blade unit 11 includes 12 microband paste units 11, which is divided to pastes for two groups of micro-strips being symmetric
Blade unit, every group includes 6 microband paste units 11.
Each receiving antenna array 1 includes a column microband paste unit 11, microband paste unit 11 described in each column
The microband paste unit 11 being symmetric including two groups.Illustratively, in the present embodiment, microband paste unit described in each column
11 include 12 microband paste units 11, which is divided to the microband paste list being symmetric for two groups
Member, every group includes 6 microband paste units 11.
Although should be appreciated that in the present embodiment, microband paste unit 11 described in each column includes 12 microband paste units
11, which is divided to the microband paste unit being symmetric for two groups, and every group includes 6 microband paste lists
Member 11, but in the other embodiments of the utility model, the microband paste list that includes in microband paste unit 11 described in each column
The quantity of member 11 is not limited to 12, can also be less than 12, for example, 10 with extra 12, for example, 14.
Although being also understood that antenna structure 100 includes a transmitting antenna array 1 and eight receptions in the present embodiment
Aerial array 2-9, but the transmitting antenna array and receiving antenna array of millimeter wave antenna structure 100 according to the present utility model
Quantity it is without being limited thereto, such as transmitting antenna array can be 2 or more, receiving antenna array can be less than 8, can also be more
Remaining 8.Also, transmitting antenna array 1 may include a column microband paste unit 11, also may include the micro-strip patch of three column or more
Blade unit 11, and it is not limited to two column microband paste unit 11 shown in FIG. 1.Receiving antenna array 2-9 also may include two column with
On microband paste unit 11.
As shown in Figure 1, in the present embodiment, the size of each chip unit 11 is identical in each column microband paste unit 11,
It and is rectangle.Illustratively, the length A of microband paste unit 11 is 3.1mm, and width B is 4.3mm, i.e. microband paste unit
11 size is 3.1*4.3mm.The spacing C of two neighboring microband paste unit 11 is 7.6mm.Two neighboring microband paste unit
With the distance between one side, example is expressed as two neighboring micro- the two neighboring microband paste unit 11 that 11 spacing C refers to as shown in figure 1
The distance between band 11 left side of chip unit.
It should be appreciated that microband paste unit 11 is big less than phases such as radiation energy, the dielectric constants of microband paste unit 11
Close, size disclosed in the present embodiment is merely exemplary, in other embodiments, microband paste unit 11 can using it is various its
It is suitably sized.
Further, it is determined according to the space D between the two neighboring receiving antenna array 2-9 of the theory of array antenna
The measurable angle range of antenna structure 100, the space D between the two neighboring receiving antenna array 2-9, measurable angle range is bigger, but
Spacing too small coupling increase, gain reduction, directional diagram deterioration between will cause antenna, consider practical application in the present embodiment, phase
Space D between two receiving antenna array 2-9 of neighbour is 6.0mm~15.0mm.Preferably, space D is
6.2mm~12.5mm.More electedly, space D 6.6mm.Wherein, measurable angle range is corresponded to when space D is 6.2mm
It is positive and negative 90 degree, it is positive and negative 70 degree that measurable angle range is corresponded to when space D is 6.6mm, and space D is corresponding to measurable angle range just when being 12.5mm
Minus 30 degree.Wherein, angle, θ=arcsin (λ/2D), the λ=C/f of measurable angle range, wherein C is the light velocity, f=24.15 × 109HZ。
Referring again to Fig. 1, millimeter wave antenna structure 100 further includes feeding network, is formed in the of the substrate 101
On one side, the feeding network includes the multiple microstrip lines 12 being electrically connected respectively with microband paste unit 11 described in each column.And
And in the present embodiment, as shown in Figure 1, the microstrip line 12 and microband paste unit 11 described in each column by and the mode of presenting connect
It connects.And illustratively, microband paste unit 11 is vertical with the microstrip line 12 of feeding network connect.It should be appreciated that the micro-strip
Line 12 can also be connect in an inclined manner with microband paste unit 11 described in each column, and be not limited to connect in a vertical manner.
As shown in Fig. 2, substrate 101 includes antenna plate 102, earth plate 103 and two wiring boards 104, and it is arranged in day
Dielectric-slab 105 between line plate 102, earth plate 103 and multiple wiring boards 104.The antenna plate 102, the earth plate
103 and multiple wiring boards 104 be cascading.Aerial array is formed in antenna plate 102, and antenna plate 102 can be with
It is formed by etching the conductor patch being formed on first medium plate 105A.Earth plate 103 is located under the antenna plate 102
Side, for being electrically connected with the ground of the aerial array.Between earth plate 103 and antenna plate 102 by first medium plate 105A every
From.Wiring board 104 is located at the lower section of the earth plate 103, for being electrically connected with radio circuit.Wiring board 104 and earth plate 103
Between be isolated by second medium plate 105B, be isolated between wiring board 104 by third dielectric-slab 105C.Illustratively, at this
In embodiment, radio circuit is formed in the second side (i.e. the back side) of the substrate 101, namely is formed in third dielectric-slab
In the side of 105C or Fig. 2 on the wiring board 104 of bottom.
Illustratively, in the present embodiment, the length of dielectric-slab 105 is 92mm, width 87mm, with a thickness of 32mil.It is situated between
The dielectric constant of scutum 105 is 3.6.
Although should be appreciated that in the present embodiment, substrate 101 includes antenna plate 102, earth plate 103 and two wiring boards
104, but the utility model is without being limited thereto, millimeter wave antenna structure 100 according to the present utility model, substrate 101 can wrap
A wiring board 104 is included, also may include three or more wiring boards 104, or can not also include wiring board 104, cabling
104 quantity of plate is determined according to the size and antenna and radio circuit of dielectric-slab 105 and the size of line, if be situated between at one
Antenna plate, radio circuit and cabling can be accommodated on the surface of scutum, can not need setting wiring board 104 at this time.That is, at this
In utility model one embodiment, millimeter wave antenna structure 100 according to the present utility model, substrate 101 can be doubling plate
(antenna plate adjunction floor), three ply board (antenna plate, earth plate and a wiring board), four laminates (antenna plate, earth plate and two
Wiring board), five laminates (antenna plate, earth plate and three wiring boards) or six laminates (antenna plate, earth plate and four wiring boards)
Etc. various structures.
Referring again to Fig. 1, millimeter wave antenna structure 100 further include formed substrate 101 on respectively with it is micro- described in each column
Multiple via holes 10 that microstrip line 12 with chip unit 11 is electrically connected, the feeding network by multiple via holes 10 with it is described
Radio circuit connection.Further, multiple microstrip line (not shown), Mei Gesuo are also formed in the second side of substrate 101
It states via hole 10 and the radio circuit is connected to by the microstrip line that corresponding impedance is 50 ohm.That is, in the present embodiment,
Feeding network is coplanar with aerial array (namely radiating element), and feeding network is fed by via hole 10, and via hole 10 passes through substrate 101
50 ohm microstrips at the back side are connect with the radio circuit at 101 back side of substrate.
It should be appreciated that the feeding classification of the feeding network is not limited to above-mentioned via hole feeding classification, it can also be using feed
The modes such as probe, couple feed are fed.Feeding point is located at and presents the center of micro-strip antenna array, i.e. feeding point or so
Respectively there is one group of microband paste unit 11, such aerial array bilateral symmetry can reduce its radiation effect, further be promoted each
The consistency of the radiation direction of microband paste unit 11.
As shown in figure 3, millimeter wave antenna structure 100 provided in this embodiment further includes being electrically connected with the feeding network
Radio circuit, the radio circuit include a transmitting chip 20 and two reception chips 21, and with two reception cores
The power splitter 22 that piece 21 is electrically connected.Transmitting chip 20 is electrically connected with transmitting antenna TX, is received chip 21 and receiving antenna RX and is electrically connected
It connects.In the present embodiment, each reception chip 21 is respectively connected to 4 receiving antennas, i.e., first receives chip 21 and receive day
Line RX1, RX2, RX3 are connected with RX4, and the second reception chip 21 is connect with receiving antenna RX5, RX6, RX7 and RX8.Power splitter 22
It is exported all the way for receiving the reception radiation energy synthesis of chip 21.It should be appreciated that transmitting chip 20, reception chip 21 and power splitter
22 quantity is related to the quantity of transmitting antenna and receiving antenna, and is not limited to quantity shown in Fig. 3.Transmitting chip 20 receives
Chip 21 and power splitter 22 can use various suitable chips, such as power splitter 22 that can use Wilkinson power divider.
Millimeter wave antenna structure 100 provided in this embodiment includes a transmitting antenna array and eight receiving antenna arrays
Column take the DBF algorithm of multicast to realize beam scanning, and it is continuous to form narrow beam progress space by multiple receiving antennas
Scanning.Scan pattern test data is shown in figure as shown in figure 4, detect the object of different directions by the wave beam that is differently directed
7 are respectively directed to -45 °, -30 °, -15 °, 0 °, 15 °, 30 ° and 45 ° of wave beam out, wherein maximum beam angle is 15 °, it is minimum
Beam angle is 12.
Further, since target is strong and weak to radar electromagnetic wave reflection related to antenna polarization, consider different application environment
Take different the Research of Antenna Polarization, for example, very thin horizontal pull the wire in farmland operation environment to the threat of agriculture unmanned plane more
Greatly, millimeter wave antenna structure 100 provided in this embodiment uses horizontal polarization mode at this time, and other are more concerned about vertical target
Scene millimeter wave antenna structure 100 provided in this embodiment uses vertical polarization mode.
For millimeter wave antenna structure 100 provided in this embodiment due to using micro-strip array antenna, occupied space is smaller, and
And structure is relatively easy, cost reduces, and can with biggish measurable angle range, higher angle resolution, gain, beam angle,
Minor lobe is able to satisfy actual use demand.In addition, millimeter wave antenna structure 100 provided in this embodiment using a hair eight due to being received
Micro-strip array antenna, compared with the multiple-input multiple-output antenna of MIMO form, since transmitting switches without timesharing, at corresponding data
Managing complexity reduces.That is, millimeter wave antenna structure 100 provided in this embodiment greatly reduces cost and system data processing is multiple
Miscellaneous degree.
It should be appreciated that above-mentioned only illustrate the millimeter wave antenna structure of the utility model, according to this reality
The structure of various similar above-mentioned principles can also be used with novel millimeter wave antenna structure.
Fig. 5 is the aerial array schematic diagram according to the millimeter wave antenna structure of another embodiment of the utility model.Such as Fig. 5 institute
Show, each microband paste unit 11 in millimeter wave antenna structure and is connected between microstrip line 12 by series feed mode, every at this time group
Each microband paste unit is of different sizes in microband paste unit 11, specifically, in microband paste unit 11 described in each column
The area of each microband paste unit 11 be sequentially reduced from symmetrical centre to two sides namely every group of microband paste unit 11 in
Each 11 area of microband paste unit is sequentially reduced outward from via hole 10.In addition, millimeter wave antenna structure shown in fig. 5 and Fig. 1
Shown in millimeter wave antenna structure the difference is that, millimeter wave antenna structure shown in Fig. 5 further include be located at 10 side of via hole
Phase shifter 13, the connection of phase shifter 13 wherein microband paste unit 11 adjacent thereto in one group of microband paste unit, thus
Ensure the consistency in 11 feed current direction of permutation microband paste unit.Millimeter wave antenna structure shown in fig. 5 uses series feed shape
The array antenna of formula, antenna element feeding classification is simple, and feeder loss is small, and antenna efficiency is high, at this time antenna polarization with and present shape
Formula by via hole with the radio-frequency devices of antarafacial on the contrary, be equally connected.
Fig. 6 is the aerial array schematic diagram according to the millimeter wave antenna structure of another embodiment of the utility model.Such as Fig. 6 institute
Show, each microband paste unit 11 in millimeter wave antenna structure and is connected between microstrip line 12 by series feed mode, every at this time group
Each microband paste unit is of different sizes in microband paste unit 11, specifically, in microband paste unit 11 described in each column
The area of each microband paste unit 11 be sequentially reduced from symmetrical centre to two sides namely every group of microband paste unit 11 in
Each 11 area of microband paste unit is sequentially reduced outward from via hole 10.In addition, millimeter wave antenna structure shown in fig. 6 and Fig. 1
Shown in millimeter wave antenna structure the difference is that, in millimeter wave antenna structure shown in Fig. 6, radio-frequency devices and aerial array
Coplanar, i.e., radio-frequency devices are also disposed in the first side (i.e. positive) of substrate 101, aerial array by microstrip line 12 directly with
Radio-frequency devices are connected, and are no longer connected by the microstrip line at 101 back side of via hole and substrate with radio-frequency devices.Milli shown in fig. 6
Metric wave aerial structural antenna is coplanar with radio-frequency devices, and antenna is directly connect with radio-frequency devices port by microstrip line, reduces by presenting
Loss caused by electric via hole.
Fig. 7 is the schematic cross sectional view according to the microwave rotating radar of an embodiment of the present invention.As shown in fig. 7, In
In the utility model embodiment, microwave rotating radar 200 includes cover 201, and fixed bracket 202, In is provided in cover 201
Motor is installed on fixed bracket 202, motor includes stator 203 and rotor 204, is equipped with runing rest on rotor 204
205, runing rest 205 is rotated together with the rotor 204 of the motor；Millimeter wave antenna is installed on runing rest 205
Structure 206 and antenna controller 207, the specific structure of millimeter wave antenna structure 206 is as previously mentioned, antenna controller 207 is used for
Control the transmitting of millimeter wave antenna structure 206 and receive microwave signal.
Further, in some embodiments, microwave rotating radar 200 further includes angular transducer 208, angle sensor
Device 208 is used to detect the rotational angle of rotor 204.Angular transducer 208 can be in Hall sensor, potentiometer and encoder
One or more.It is appreciated that angular transducer 208 detects the rotational angle of rotor 204, that is, detection microwave rotates thunder
Up to 200 rotational angle.It can be according to the rotational angle of microwave rotating radar 200 come auxiliary using the device of microwave rotating radar 200
The direction of the direction of the launch for judging microwave signal with the microwave signal received is helped, and further disturbance in judgement object and use are micro-
The relative direction of the device of wave rotating radar 200.
Fig. 8 is the schematic block diagram according to the moveable platform of an embodiment of the present invention.Although moveable platform 300
It is depicted as unmanned vehicle, but this description is not intended to restrictive, and the removable of any suitable type can be used
Animal body, such as moveable platform 300 can be unmanned plane, autonomous driving vehicle or ground remote control robot.
As shown in figure 8, moveable platform 300 includes fuselage 301 and microwave rotating radar 200, microwave rotating radar 200 is pacified
On fuselage 301.Specifically, fuselage 301 includes rack 302 and the foot prop 303 being mounted in rack 302.Rack 302 can be made
For the installation carrier of the flight control system of moveable platform 300, processor, video camera, camera etc..Foot prop 303 is mounted on
The lower section of rack 302, microwave rotating radar 200 are mounted on foot prop 303.Foot prop 303 can be used for for the landing of moveable platform 300
When support is provided, in one embodiment, foot prop 303 can also carry water tank, and for being sprayed insecticide by spray head to plant
With fertilizer etc..The structure of microwave rotating radar 200 is as previously mentioned, details are not described herein.
Further, moveable platform 300 further includes the horn 304 extended from fuselage 301, and horn 304 can be used for carrying
Power device 305 is to provide the power of flight for moveable platform 300.Carrying power device 305 may include rotor, spiral
One of paddle, blade, engine, motor, wheel, wheel shaft, magnet or nozzle are a variety of.Moveable platform 300 can have one
It is a or multiple, two or more, three or more or four or more carry power devices 305.Power device 305
It can be all same type.Alternatively, one or more power devices 305 can be different types of power device 305.It is dynamic
Any suitable device can be used to be mounted on moveable platform 300 in power device 305.
Although describing example embodiment by reference to attached drawing here, it should be understood that above example embodiment are only exemplary
, and be not intended to the scope of the utility model limited to this.Those of ordinary skill in the art can carry out various wherein
Change and modify, without departing from the scope of the utility model and spirit.All such changes and modifications are intended to be included in appended
Within the scope of the utility model required by claim.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the utility model.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, apparatus embodiments described above are merely indicative, for example, the division of the unit, only
Only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components can be tied
Another equipment is closed or is desirably integrated into, or some features can be ignored or not executed.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that the utility model
Embodiment can be practiced without these specific details.In some instances, be not been shown in detail well known method,
Structure and technology, so as not to obscure the understanding of this specification.
Similarly, it should be understood that in order to simplify the utility model and help to understand one in each utility model aspect
Or it is multiple, in the description to the exemplary embodiment of the utility model, each feature of the utility model is divided together sometimes
Group is into single embodiment, figure or descriptions thereof.However, the method for the utility model should not be construed to reflect
Following to be intended to: the requires of the utility model i.e. claimed is more more than feature expressly recited in each claim
Feature.More precisely, practical novel point is can be with less than some as corresponding claims reflect
The features of all features of disclosed single embodiment solves corresponding technical problem.Therefore, it then follows specific embodiment
Thus claims are expressly incorporated in the specific embodiment, wherein each claim itself is as the utility model
Separate embodiments.
It will be understood to those skilled in the art that any combination pair can be used other than mutually exclusive between feature
All features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed any method
Or all process or units of equipment are combined.Unless expressly stated otherwise, this specification (is wanted including adjoint right
Ask, make a summary and attached drawing) disclosed in each feature can be replaced by providing identical, equivalent, or similar purpose alternative features.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is practical new in this
Within the scope of type and form different embodiments.For example, in detail in the claims, embodiment claimed it is any
One of can in any combination mode come using.
The various component embodiments of the utility model can be implemented in hardware, or on one or more processors
The software module of operation is realized, or is implemented in a combination thereof.It will be understood by those of skill in the art that can be in practice
It is realized using microprocessor or digital signal processor (DSP) according to some of some modules of the utility model embodiment
Or repertoire.The utility model is also implemented as executing some or all of method as described herein
Program of device (for example, computer program and computer program product).Such program for realizing the utility model can store
On a computer-readable medium, it or may be in the form of one or more signals.Such signal can be from internet
Downloading obtains on website, is perhaps provided on the carrier signal or is provided in any other form.
The utility model is limited it should be noted that above-described embodiment illustrates rather than the utility model,
And those skilled in the art can be designed alternative embodiment without departing from the scope of the appended claims.In right
In it is required that, any reference symbol between parentheses should not be configured to limitations on claims.The utility model can be with
By means of including the hardware of several different elements and being realized by means of properly programmed computer.Listing several dresses
In the unit claim set, several in these devices, which can be, to be embodied by the same item of hardware.Word
One, second and the use of third etc. do not indicate any sequence.These words can be construed to title.
Above description is only a specific implementation of the present invention or to the explanation of specific embodiment, this is practical new
The protection scope of type is not limited thereto, the technology model that anyone skilled in the art discloses in the utility model
In enclosing, it can easily think of the change or the replacement, should be covered within the scope of the utility model.The protection of the utility model
Range should be subject to the protection scope in claims.
Claims (19)
1. a kind of millimeter wave antenna structure characterized by comprising
Substrate, is formed with mutiple antennas array on the substrate, and the multiple aerial array includes at least one transmitting antenna
Array and multiple receiving antenna arrays, at least one described transmitting antenna array and multiple receiving antenna arrays are parallel to each other
And arranged for interval；
Each receiving antenna array includes an at least column microband paste unit, and microband paste unit described in each column includes two
The microband paste unit that group is symmetric；
Spacing between the two neighboring receiving antenna array is 6.0mm~15.0mm.
2. millimeter wave antenna structure according to claim 1, which is characterized in that between the adjacent receiving antenna array
Spacing is 6.2mm~12.5mm.
3. millimeter wave antenna structure according to claim 1, which is characterized in that between the adjacent receiving antenna array
Spacing is 6.6mm.
4. millimeter wave antenna structure according to claim 1 to 3, which is characterized in that the transmitting antenna array
Including the microband paste unit that at least two column are electrically connected to each other, microband paste unit described in each column includes two groups and is symmetric
Microband paste unit.
5. millimeter wave antenna structure according to claim 4, which is characterized in that each in microband paste unit described in each column
A microband paste cell size is mutually the same；
Alternatively, the area of each microband paste unit in microband paste unit described in each column from symmetrical centre to two sides according to
Secondary reduction；
Alternatively, the shape of the microband paste unit is rectangle, circle, semicircle or ellipse；
Alternatively, every group of microband paste unit includes 6 or more microband paste units.
6. millimeter wave antenna structure according to claim 4, which is characterized in that further include:
Feeding network is formed in the first side of the substrate, the feeding network include respectively with micro-strip described in each column
Multiple microstrip lines of chip unit electrical connection.
7. millimeter wave antenna structure according to claim 6, which is characterized in that micro-strip described in the microstrip line and each column is pasted
Blade unit by and the mode of presenting connect；
And/or the microstrip line is connect with microband paste unit described in each column by series feed mode.
8. millimeter wave antenna structure according to claim 7, which is characterized in that further include: it is electrically connected with the feeding network
The radio circuit connect, the radio circuit include at least one transmitting chip and two reception chips, and with connect described in two
Receive the power splitter of chip electrical connection.
9. millimeter wave antenna structure according to claim 8, which is characterized in that the radio circuit is formed in the substrate
Second side on.
10. millimeter wave antenna structure according to claim 9, which is characterized in that be also formed with difference on the substrate
The multiple via holes or feed probes being electrically connected with the microstrip line of microband paste unit described in each column, the feeding network pass through multiple
The via hole or feed probes are connect with the radio circuit.
11. millimeter wave antenna structure according to claim 10, which is characterized in that in the second side of the substrate also
It is formed with multiple microstrip lines, each via hole or feed probes are connected to the radio frequency electrical by the corresponding microstrip line
Road.
12. millimeter wave antenna structure according to claim 9, which is characterized in that microband paste unit described in each column passes through
Coupling feed way is electrically connected with the radio circuit.
13. millimeter wave antenna structure according to claim 8, which is characterized in that the radio circuit is formed in the base
In the first side of plate.
14. millimeter wave antenna structure according to claim 12, which is characterized in that microband paste unit described in each column passes through
Microstrip line is connected to the radio circuit.
15. millimeter wave antenna structure according to claim 7, which is characterized in that micro-strip described in the microstrip line and each column
Chip unit is in a vertical manner or angled manner connects.
16. millimeter wave antenna structure according to claim 1, which is characterized in that the substrate be doubling plate, three ply board,
Four laminates, five laminates or six laminates；
And/or the quantity of the receiving antenna array is 8 or more；
And/or the substrate includes antenna plate, earth plate and multiple wiring boards, the aerial array is formed in the antenna
On plate；The earth plate is located at the lower section of the antenna plate, for being electrically connected with the ground of the aerial array；The multiple cabling
Plate, positioned at the lower section of the earth plate, for being electrically connected with radio circuit；Wherein, the antenna plate, the earth plate and more
A wiring board is cascading；
And/or the aerial array uses horizontal polarization mode or vertical polarization mode.
17. a kind of microwave rotating radar characterized by comprising
Fixed bracket；
Motor is mounted on the fixed bracket；
Runing rest is mounted on the rotor of the motor, and as the rotor of the motor rotates together；And
Millimeter wave antenna structure described in one of claim 1 to 16, is mounted on the runing rest.
18. a kind of moveable platform characterized by comprising
Fuselage；
Power device is mounted on the fuselage, and provides mobile power for the fuselage；And
Microwave rotating radar described in claim 17, is mounted on the fuselage.
19. moveable platform according to claim 18, which is characterized in that the moveable platform is unmanned plane, automatically
Driving or ground remote control robot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822027957.1U CN209624763U (en) | 2018-12-04 | 2018-12-04 | Millimeter wave antenna structure, microwave rotating radar and moveable platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822027957.1U CN209624763U (en) | 2018-12-04 | 2018-12-04 | Millimeter wave antenna structure, microwave rotating radar and moveable platform |
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| Publication Number | Publication Date |
|---|---|
| CN209624763U true CN209624763U (en) | 2019-11-12 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822027957.1U Expired - Fee Related CN209624763U (en) | 2018-12-04 | 2018-12-04 | Millimeter wave antenna structure, microwave rotating radar and moveable platform |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110972417A (en) * | 2019-12-23 | 2020-04-07 | Oppo广东移动通信有限公司 | Wave-transparent shell assembly, preparation method thereof, antenna assembly and electronic equipment |
| CN111162371A (en) * | 2019-12-31 | 2020-05-15 | Oppo广东移动通信有限公司 | Electronic device |
| CN111316499A (en) * | 2018-12-04 | 2020-06-19 | 深圳市大疆创新科技有限公司 | Millimeter wave antenna structure, microwave rotary radar and movable platform |
| CN111987442A (en) * | 2020-08-10 | 2020-11-24 | 超讯通信股份有限公司 | Radiation patch array and planar microstrip array antenna |
| CN113316867A (en) * | 2020-03-18 | 2021-08-27 | 华为技术有限公司 | Antenna structure, radar and terminal |
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2018
- 2018-12-04 CN CN201822027957.1U patent/CN209624763U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111316499A (en) * | 2018-12-04 | 2020-06-19 | 深圳市大疆创新科技有限公司 | Millimeter wave antenna structure, microwave rotary radar and movable platform |
| CN110972417A (en) * | 2019-12-23 | 2020-04-07 | Oppo广东移动通信有限公司 | Wave-transparent shell assembly, preparation method thereof, antenna assembly and electronic equipment |
| CN110972417B (en) * | 2019-12-23 | 2021-05-14 | Oppo广东移动通信有限公司 | Wave-transparent shell assembly, preparation method thereof, antenna assembly and electronic equipment |
| CN111162371A (en) * | 2019-12-31 | 2020-05-15 | Oppo广东移动通信有限公司 | Electronic device |
| CN111162371B (en) * | 2019-12-31 | 2021-06-25 | Oppo广东移动通信有限公司 | Electronic device |
| CN113316867A (en) * | 2020-03-18 | 2021-08-27 | 华为技术有限公司 | Antenna structure, radar and terminal |
| CN111987442A (en) * | 2020-08-10 | 2020-11-24 | 超讯通信股份有限公司 | Radiation patch array and planar microstrip array antenna |
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Granted publication date: 20191112 |