CN107112623A - Antenna module and unmanned vehicle - Google Patents
Antenna module and unmanned vehicle Download PDFInfo
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- CN107112623A CN107112623A CN201680003538.5A CN201680003538A CN107112623A CN 107112623 A CN107112623 A CN 107112623A CN 201680003538 A CN201680003538 A CN 201680003538A CN 107112623 A CN107112623 A CN 107112623A
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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
- H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
- H01Q1/285—Aircraft wire antennas
-
- 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
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
- H01Q21/293—Combinations of different interacting antenna units for giving a desired directional characteristic one unit or more being an array of identical aerial elements
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
A kind of antenna module and unmanned vehicle, antenna module are used to be arranged on unmanned vehicle, and antenna module includes：Circuit substrate and the multiple array elements being arranged on the circuit substrate, wherein, the array element spacing between the adjacent array element is more than 1/2nd wavelength of the antenna module at the operating frequencies, so that the antenna module produces the wave beam of multiple preset directions.Antenna module and unmanned vehicle that the present invention is provided, by the way that the array element spacing between adjacent array element is set greater than into 1/2nd wavelength of antenna module at the operating frequencies, so that antenna module produces the wave beam of multiple preset directions, have effectively achieved can produce the wave beam of different directions by an antenna module, simple in construction, easily realize, cost is low, and the space taken is smaller, is effectively guaranteed the practicality of the antenna module, is conducive to the popularization and application in market.
Description
Technical field
The present invention relates to vehicle technology field, more particularly to a kind of antenna module and unmanned vehicle.
Background technology
With the development of millimetric wave device, millimetre-wave radar can realize miniaturization, integrated, in antenna aperture identical feelings
Under condition, millimetre-wave radar can obtain narrower antenna beam, and higher antenna gain can improve angular resolution and the angle measurement of radar
Precision, and be conducive to Anti-amyloid-β antibody, noise jamming and multipath reflection interference.The phases such as same ultrasonic wave, infrared and laser radar
Than, millimeter wave penetrate cigarette, mist, dust ability it is stronger, the characteristics of with round-the-clock round-the-clock, thus millimetre-wave radar extensively should
For the various industries such as automobile, traffic, security protection, industry, unmanned plane and smart machine.
With the variation of application scenarios, the testing the speed of single radar, angle measurement, ranging can not have been met compared with complex environment
The demand of the equipment of work, multitask, multifunction demand increasingly increase, except the complication of radar Back end data processing, go back
Need radar antenna that there is flexible beam position；The existing scheme for realizing multi-beam has：1st, lens antenna, utilizes lens handle
The energy centralization that feed is radiated gets up to be formed a sharp wave beam, when setting multiple feeds near lens focus, just corresponding shape
Into the multiple wave beams being pointed in different directions, general feed is electromagnetic horn；2nd, reflector antenna, it is similar with lens antenna principle,
Using energy reflected formation one sharp wave beam of the reflecting surface feed, reflecting surface near focal point has multiple feeds, diverse location
Feed can be formed and point to different wave beams；3rd, a control unit is connected below phased array antenna, each array element, is passed through
Amplitude, the phase of each array element are controlled, to synthesize the wave beam of assigned direction.
However, during the technical program is implemented, it is found that prior art has following defect：For scheme 1,
Antenna lens is low-loss, high dielectric constant material, and processing difficulties, precision is low, and the size and weight of lens are all quite big；It is right
For scheme 2, similar lens antenna, reflecting surface section, weight are larger, it is necessary to occupy much room；And for scheme 3
Speech, each array element of phased array is required to T/R components, complicated, and cost is high.
The content of the invention
For above-mentioned in the prior art or other potential problems, the invention provides a kind of antenna module and unmanned flight
Device.
The first aspect of the invention is to provide for a kind of antenna module of unmanned vehicle, including：Circuit substrate and
Multiple array elements on the circuit substrate are arranged at, wherein, the array element spacing between the adjacent array element is more than the antenna sets
/ 2nd wavelength of part at the operating frequencies, so that the antenna module produces the wave beam of multiple preset directions.
The second aspect of the invention is to provide for a kind of antenna module of unmanned vehicle, including：Circuit substrate and
It is arranged at multiple antenna submatrixs for producing different specific direction wave beams on the circuit substrate, each antenna submatrix
Each array element included in multiple array elements being connected at least one described antenna submatrixs is connected to each other by micro-strip delay line, with
Make to produce phase difference between each array element at least one described antenna submatrix.
The third aspect of the invention is to provide for a kind of unmanned vehicle, including：Body and antenna module, the day
Line component is installed on the body, and the antenna module includes：Circuit substrate and be arranged at it is multiple on the circuit substrate
Array element, wherein, the array element spacing between the adjacent array element is more than 1/2nd ripples of the antenna module at the operating frequencies
It is long, so that the antenna module produces the wave beam of multiple preset directions.
The fourth aspect of the invention is to provide for a kind of unmanned vehicle, including：Body and antenna module, the day
Line component is installed on the body, and the antenna module includes：Circuit substrate and it is arranged at being used on the circuit substrate
Multiple antenna submatrixs of different specific direction wave beams are produced, each antenna submatrix includes multiple array elements being connected, extremely
Each array element in a few antenna submatrix is connected to each other by micro-strip delay line, so that at least one described antenna submatrix
Each array element between produce phase difference.
Antenna module and unmanned vehicle that the present invention is provided, by the way that the array element spacing between adjacent array element is set to greatly
In 1/2nd wavelength of antenna module at the operating frequencies, so that antenna module produces the wave beam of multiple preset directions,
Have effectively achieved can produce the wave beam of different directions by an antenna module, simple in construction, easily realize, cost is low,
And the space taken is smaller, is effectively guaranteed the practicality of the antenna module, is conducive to the popularization and application in market.
Brief description of the drawings
Fig. 1 is a kind of structural representation of antenna module provided in an embodiment of the present invention；
Fig. 2 is the H faces directional diagram of antenna in Fig. 1；
A kind of structural representation for antenna module that Fig. 3 provides for another embodiment of the present invention；
Fig. 4 be Fig. 3 in a submatrix E faces direction schematic diagram；
Fig. 5 be Fig. 3 in another submatrix E faces direction schematic diagram；
Fig. 6 be Fig. 3 in another submatrix E faces direction schematic diagram；
Fig. 7 is a kind of structural representation of unmanned vehicle provided in an embodiment of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the present invention, the term such as term " installation ", " connection ", " fixation " is broadly understood, for example, " connection " can be with
It is to be fixedly connected or be detachably connected, or is integrally connected.For the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
It should be noted that in the description of the invention, term " first ", " second " are only used for the different portion of convenient description
Part, and it is not intended that indicating or implying ordinal relation, relative importance or the implicit number for indicating indicated technical characteristic
Amount.Thus, " first " is defined, at least one this feature can be expressed or be implicitly included to the feature of " second ".
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
Below in conjunction with the accompanying drawings, some embodiments of the present invention are elaborated.Do not conflict between each embodiment
In the case of, the feature in following embodiments and embodiment can be mutually combined.
Embodiment one
Fig. 1 is a kind of structural representation of antenna module provided in an embodiment of the present invention；Knowable to refer to the attached drawing 1, this implementation
Example provides a kind of antenna module, and the antenna module is used to be arranged on unmanned vehicle, and can produce multiple default sides
To wave beam, specifically, the antenna module includes：Circuit substrate and the multiple array elements being arranged on circuit substrate, wherein, it is adjacent
Array element spacing between array element is more than 1/2nd wavelength of antenna module at the operating frequencies, so that antenna module generation is multiple
The wave beam of preset direction.
Wherein, the concrete shape structure for circuit substrate is not limited, and those skilled in the art can be according to specific
Design requirement is configured, for example, circuit substrate can be set into rectangular slab or square plate etc., as long as ensure that battle array
Member is stably arranged on circuit substrate；In addition, the specific number for array element is not limited, those skilled in the art can
To be configured according to specific design requirement, for example, the number of array element is set into 5,6 or 8 etc., as long as energy
Enough ensure the signal emissive porwer and less space-consuming of antenna, will not be repeated here.
In addition, the concrete numerical value scope for the array element spacing between adjacent array element is not limited, those skilled in the art
It can be configured according to specific design requirement, as long as enabling to the array element spacing between above-mentioned adjacent array element to be more than
/ 2nd wavelength of antenna module at the operating frequencies；Also, in specific design, in order to be further ensured that antenna sets
The signal emissive porwer of part, it is more preferred, the array element spacing between adjacent array element can be set greater than antenna module in work
A wavelength under working frequency.
In addition, the present embodiment is not limited for the working frequency of antenna module, those skilled in the art can be according to tool
The design requirement of body is configured, for example, can be set to the working frequency of antenna module：18GHz、24GHz、60GHz、
77GHz etc., it is relatively conventional, the working frequency of antenna module can be set to 24-24.25GHz；In addition, for antenna
The type of component is not limited, and those skilled in the art can be configured according to specific design requirement, for example, can be by day
Line is set to slot antenna, printed dipole antenna, microwave radar antenna etc., will not be repeated here.
When it is implemented, in order that the wave beam of multiple preset directions, the adjacent array element of control can be produced by obtaining the antenna module
Between array element spacing be more than 1/2nd wavelength of antenna module at the operating frequencies；Now, it will be produced in the wave beam of antenna
Graing lobe, in order to realize that antenna module produces the wave beam of multiple preset directions, can be realized, specifically by adjusting array element spacing
, the main lobe in wave beam is related with the size of array element spacing to the angle angle of secondary lobe, therefore, can be with by increasing array element spacing
Realize and produce specific direction and the secondary lobe suitable with main lobe energy, so that antenna module can produce multiple preset directions
Wave beam；Certain, the technical program is not limited for the specific number of produced wave beam, and those skilled in the art can root
It is configured according to specific design requirement, for example, the number of wave beam can be set to include 3,4 or 5 etc..
The antenna module that the present embodiment is provided, by the way that the array element spacing between adjacent array element is set greater than into antenna module
/ 2nd wavelength at the operating frequencies, so that antenna module produces the wave beam of multiple preset directions, are effectively realized
The wave beam of different directions can be produced by an antenna module, it is simple in construction, easily realize, cost is low, and take
Space is smaller, is effectively guaranteed the practicality of the antenna module, is conducive to the popularization and application in market.
Embodiment two
On the basis of above-described embodiment, understood with continued reference to accompanying drawing 1, concrete shape structure of the present embodiment for array element
Do not limit, those skilled in the art can be configured according to specific design requirement, more preferred, and multiple array elements are set
Be set to including：Multiple the array member 4 being connected and the multiple submatrix members 5 being connected being arranged in array member 4, multiple array members
4 are connected by main feeder 2, and the branch feeder line 3 that the multiple submatrix members 5 being arranged in each array member 4 are stretched out by main feeder 2 connects
Connect, array element spacing includes：The submatrix member spacing between column pitch and adjacent submatrix member 5 between each array member 4.
Wherein, the present embodiment is not limited for the concrete shape structure of multiple array members 4 of setting, people in the art
Member can be configured according to specific design requirement, for example, multiple array members 4 can be set into identical structure or difference
Structure；It is more preferred, multiple array members 4 are set to identical structure, it is so convenient that antenna module is controlled；In addition,
The present embodiment is not limited for first 5 numbers of submatrix set in array member 4, for example, can be set to the number of submatrix member 5
4,5 or 6 etc..
Multiple array members 4 are connected in order to realize, multiple arrays member 4 is connected with main feeder 2, has been achieved in that many
Individual array member 4 is connected by main feeder 2；Because array member 4 includes multiple submatrix members 5, for the ease of being carried out to antenna module
Effectively control, more preferred, the center section that main feeder 2 is set into each array member 4 is connected；Further, submatrix
Member 5 is connected by branch feeder line 3, and branch feeder line 3 is connected with main feeder 2, and then is realized multiple submatrix members 5 and passed through branch feeder line
3 are connected and then constitute array member 4, the structure that each array member 4 is connected by main feeder 2, now, because array element includes
Array member 4 and submatrix member 5, therefore, array element spacing also include column pitch and submatrix member spacing, as illustrated, column pitch is in figure
B shown in, submatrix member spacing be figure in A shown in, above-mentioned submatrix member spacing A and column pitch B be all higher than antenna module work
/ 2nd wavelength under frequency；The reliability of array element connection is so effectively guaranteed, so as to improve antenna module
The reliability of work.
Embodiment three
On the basis of above-described embodiment, understood with continued reference to accompanying drawing 1, multiple default sides are produced in order to improve antenna module
To wave beam work stability and reliability, multiple impedance converter units 1,7, impedance converter unit 1,7 will be provided with array member 4
Amplitude for making multiple array elements obeys Taylor's distribution and the resistance value of antenna module is matched into preset value.
Wherein, impedance converter unit 1 is arranged between multiple submatrix members 5 in array member 4, and impedance converter unit 7 is set
It is placed between multiple array members 4；In addition, the present embodiment is not limited for the specific number of impedance converter unit 1,7, this area
Technical staff can be configured according to the number of submatrix member 5, for example, the number of impedance converter unit 1,7 can be set into 4
Individual, 5 or 6 etc., it is more preferred, 4 impedance converter units 1 will be provided with each array member 4；In addition, this reality
The concrete structure feature applied for impedance converter unit 1,7 is not limited, and those skilled in the art can be according to specific design
Demand is configured, multiple impedance converter units 1,7 can be designed as antenna module quarter-wave at the operating frequencies,
3/4ths wavelength, 5/4ths wavelength etc., it is more preferred, multiple impedance converter units 1,7 are designed as antenna module and existed
Quarter-wave under working frequency；It can so have effectively achieved by above-mentioned impedance converter unit 1,7 so that array element
Amplitude obey Taylor's distribution, and the resistance value of antenna module can be caused to be matched to preset value, wherein, preset value can root
Pre-set according to specific design requirement；The secondary lobe in addition to specific direction wave beam, Jin Eryou can be so effectively reduced
The energy intensity of specific direction wave beam is ensure that to effect, and then improves antenna module and sends signal and receives the intensity of signal,
Further increase the reliability of antenna module work.
Example IV
Fig. 2 is the H faces directional diagram of antenna in Fig. 1；On the basis of above-described embodiment, understood with continued reference to accompanying drawing 1-2,
When being operated using the antenna module, in order to realize produced by synchronization can be while receive the antenna module
Multiple preset directions wave beam, will be provided between multiple micro-strip delay lines 8, two neighboring array member 4 and pass through on main feeder 2
Micro-strip delay line 8 makes have identical phase under the array element spacing of multiple array elements in the present embodiment.
Wherein, the concrete shape structure for micro-strip delay line 8 is not limited, and those skilled in the art can be with specific
Design requirement is configured, for example, micro-strip delay line 8 can be set to square-wave form or S type structures etc., as long as can
So that there is no acuter angles in the micro-strip delay line 8, it can so reduce the radiation that micro-strip delay line 8 externally produces and do
Disturb, and then the reliability of antenna module work can be ensured；Each adjacent row is caused by the micro-strip delay line 8 of setting
The submatrix member 5 of array element 4 has identical phase under array element spacing, so that can detect the antenna sets in synchronization
The wave beam of multiple preset directions produced by part, in fig 2, generates the wave beam of at least three different directions, and then improve
The convenient and reliable property that the antenna module is used.
Embodiment five
On the basis of above-described embodiment, understood with continued reference to accompanying drawing 1-2, in order to realize the transmission signal of the antenna module
With reception semiotic function, via 6 will be provided with circuit substrate, antenna module is fed by via 6, via 6 is with being arranged at electricity
The radio circuit of base board opposite side is connected.
Generally, radio circuit is arranged at the top layer of circuit substrate, therefore, and via 6 is set to by microstrip line
It is connected with radio circuit；Wherein, radio circuit is used to receive the signal received by the antenna module, it is possible to the signal
Analyzed and processed；In addition, radio circuit can be also used for controlling the outside transmission signal of antenna module, and then realize antenna
Receive signal and transmission signal function.
The present embodiment is not limited for the concrete shape of via 6 and position, and those skilled in the art can be according to specific
Design requirement be configured, for example, via 6 can be provided in round, and by via 6 be arranged at antenna module side or
In the middle part of person's antenna module etc., it is more preferred, via 6 is arranged between multiple array members 4, the connection of such edge circuit
It with the layout of component, and then ensure that antenna module is simple in construction, easily realize.
Embodiment six
On the basis of above-described embodiment, understood with continued reference to accompanying drawing 1-2, ripple of the present embodiment for multiple preset directions
Beam number is not limited, and those skilled in the art can be configured according to specific design requirement, more preferred, by wave beam
It is set to include：First wave beam, the second wave beam and the 3rd wave beam；In the same plane, the first wave beam and the second Wave beam forming
One default angle, the 3rd wave beam and the second Wave beam forming second preset angle.
Wherein, the first default angle and the second default angle are pre-set, and those skilled in the art can be according to tool
The design requirement of body is configured, for example, the first default angle can be set into 30 °, 45 °, 60 ° or 90 ° etc., similarly
, the second default angle can be set to 30 °, 45 °, 60 ° or 90 ° etc., it is more preferred, by the first default angle and
Second default angle is disposed as 45 °, and the 3rd wave beam and the first wave beam are perpendicular.
By the way that the first default angle and the second default angle are disposed as into 45 degree, and the first wave beam mutually hangs down with the 3rd wave beam
Directly, in the same plane so that the antenna module can realize 0 ° of angle wave beam, -45° angle wave beam and+45° angle wave beam, now, if
When the antenna module is tilted into 45° angle on unmanned vehicle, the antenna being arranged on the unmanned vehicle can be caused
Component, which is realized, tilts 45° angle wave beam, horizontal direction wave beam and vertical direction wave beam, so for unmanned vehicle, passes through
The horizontal direction wave beam can be realized carries out detection of obstacles to the horizontal direction of unmanned vehicle, can by vertical direction wave beam
To realize that the vertical direction to unmanned vehicle carries out detection of obstacles, nobody is flown by tilting 45° angle wave beam and can realize
Detection of obstacles is carried out on the incline direction of row device, the letter of three different directions can be realized by an antenna module of setting
Breath detection function, is effectively improved the detection range of the antenna module, further increases the practicality of the antenna module, have
Beneficial to the popularization and application in market.
During concrete application, understood with continued reference to accompanying drawing 1-2, antenna module can be set to cover 24-24.25GHz's
Working frequency range, and antenna module is set to can be while produce the wave beam of three different directions, and above-mentioned beam direction point
Wei not be 0 °, -45 ° and+45 °.
In order to realize the wave beam for producing above three different directions, circuit substrate is set to four laminates, length be 84mm,
Width is that 50mm, thickness are 32mil；Array member 4 is micro-strip paster antenna form, and submatrix 5 sizes of member are 3.1*4.3mm, submatrix
First spacing A is that 7.4mm, column pitch B are 16.8mm, and micro-strip delay line 8 ensure that the spacing and phase of the submatrix member 5 of each array member 4
Position, impedance converter unit 1,7 is a quarter of working frequency range medium wavelength, and impedance converter unit 1,7 realizes each array element width
Degree is distributed and by Antenna Impedance Matching to 50 ohm, and antenna module is fed eventually through via 6, and via 6 passes through substrate back
50 ohm microstrips are connected with the radio circuit at the circuit substrate back side, and now maximum gain 15dB, the 3dB wave beam of antenna module is wide
14 ° of degree, secondary lobe -15dB, at this point it is possible to effectively ensure that the antenna module can produce 0 °, -45 ° and+45 ° three direction
Wave beam.
By the way that adjacent submatrix member spacing A and column pitch B are disposed as to be more than two of antenna module at the operating frequencies
/ mono- wavelength, so that so that three wave beams of 0 °, -45 ° and+45 ° of antenna module generation, have effectively achieved by a day
Line component can produce the wave beam of three different directions, and ensure that the transmitting of the signal on above three direction and receive strong
Degree, improves the reliability that the antenna module is used, and this is simple in construction, easily realizes, cost is low, and take
Space is smaller, is effectively improved the market competitiveness of the antenna module, is conducive to the popularization and application in market.
Embodiment seven
A kind of structural representation for antenna module that Fig. 3 provides for another embodiment of the present invention；Knowable to refer to the attached drawing 3, this
Embodiment provides another antenna module, for installed in unmanned vehicle, specifically, the antenna module includes：Circuit
Substrate and the multiple antenna submatrixs for producing different specific direction wave beams being arranged on circuit substrate, each antenna submatrix are equal
Including multiple array elements being connected, each array element at least one antenna submatrix is connected to each other by micro-strip delay line, so that extremely
Phase difference is produced between each array element in a few antenna submatrix.
Wherein, the concrete shape structure for circuit substrate is not limited, and those skilled in the art can be according to specific
Design requirement is configured, for example, circuit substrate can be set into rectangular slab or square plate etc., as long as ensure that battle array
Member is stably arranged on circuit substrate；In addition, the present embodiment is not limited for the specific number of antenna submatrix, ability
Field technique personnel can set the number of antenna submatrix according to the direction of required generation wave beam, for example, if desired producing two
The wave beam of individual different directions, then can be set to two by the number of antenna submatrix；If desired the ripple of three different directions is produced
Beam, then can be set to three by the number of antenna submatrix, it should be noted that each antenna submatrix may only produce some
The wave beam of specific direction, therefore, the number of antenna submatrix are identical with produced wave beam number；In addition, for the specific of array element
Number is not limited, and those skilled in the art can be configured according to specific design requirement, for example, the number of array element is set
10,20,30 or 40 etc. are set to, as long as ensure that the signal emissive porwer and less space-consuming of antenna
, will not be repeated here.
Further, when producing the wave beam of specific direction using each antenna submatrix, for wave beam produced by ensureing
Array element spacing between adjacent array element in each antenna submatrix, can be set smaller than antenna submatrix in work frequency by energy intensity
/ 2nd wavelength under rate or so, wherein, it is more preferred, array element spacing in each antenna submatrix can be set to antenna
2/to three/3rd wavelength of submatrix at the operating frequencies；The radiation efficiency produced by antenna module can now be caused
Height and secondary lobe size quality preferably, and then improve the reliability that antenna module is used.
In addition, the present embodiment is not limited for the working frequency of antenna module, those skilled in the art can be according to tool
The design requirement of body is configured, for example, can be set to the working frequency of antenna module：18GHz、24GHz、60GHz、
77GHz etc., it is relatively conventional, the working frequency of antenna module can be set to 24-24.25GHz；In addition, for antenna
The type of component is not limited, and those skilled in the art can be configured according to specific design requirement, for example, can be by day
Line is set to slot antenna, printed dipole antenna, microwave radar antenna etc., will not be repeated here.
When it is implemented, in order to ensure that each antenna submatrix produces the reliability of wave beam, by each antenna submatrix
Array element spacing between adjacent array element is set smaller than 1/2nd wavelength of antenna submatrix at the operating frequencies；Can so have
Secondary lobe produced by effect ground reduction antenna submatrix；And then ensure that the main lobe energy produced by each antenna submatrix.
The antenna module that the present embodiment is provided, is used to produce different specific direction wave beams by integrated on circuit substrate
Multiple antenna submatrixs, and each array element at least one antenna submatrix is set to be connected to each other by micro-strip delay line, from
And so as to produce phase difference between each array element at least one antenna submatrix；And then realize antenna module can produce it is multiple
The wave beam of preset direction, further, by the way that the array element spacing between adjacent array element in each antenna submatrix is set smaller than
/ 2nd wavelength of antenna submatrix at the operating frequencies or so, significantly reduce the secondary lobe produced by each antenna submatrix,
Main lobe energy is ensure that, the reception emissive porwer of each antenna submatrix signal is improved, so as to have effectively achieved by one
Antenna module can produce the wave beam of different directions, simple in construction, easily realize, cost is low, and the space taken is smaller, has
The practicality of the antenna module is ensure that to effect, is conducive to the popularization and application in market.
Embodiment eight
On the basis of above-described embodiment, understood with continued reference to accompanying drawing 3, concrete shape structure of the present embodiment for array element
Do not limit, those skilled in the art can be configured according to specific design requirement, more preferred, and array element is set to
Including multiple arrays member and the multiple submatrix members 12 being connected being arranged in each array member；Array element spacing includes：Each row
The submatrix member spacing between column pitch and adjacent submatrix member 12 between array element.
Wherein, the present embodiment is not limited for the concrete shape structure of multiple arrays member of setting, due to each antenna
Submatrix is used to produce different specific direction wave beams, therefore, and the array element structure in each antenna submatrix is different, and then causes what is set
The structure of array member is also differed, and those skilled in the art can be according to the wave beam of the produced specific direction knot first to array
Structure is configured；In addition, the present embodiment is not limited for first 12 numbers of submatrix set in array member, for example, can be by son
The number of array element 12 is set to 10,12 or 14 etc.；Multiple submatrix members 12 have been connected to form array member.
Also include column pitch and submatrix member spacing because array element includes array member and submatrix member 12, therefore, array element spacing, such as
Shown in figure, column pitch is shown in the D in figure, and submatrix member spacing is shown in the C in figure, and above-mentioned submatrix member spacing C and column pitch D are equal
Less than 1/2nd wavelength of antenna module at the operating frequencies；So it is effectively guaranteed each antenna submatrix and produces wave beam
Stability, so as to improve the reliability of antenna module work.
Embodiment nine
On the basis of above-described embodiment, understood with continued reference to accompanying drawing 3, specific number of the present embodiment for antenna submatrix
Do not limit, those skilled in the art can be configured according to specific design requirement, more preferred, and antenna submatrix is set
It is set to including the first submatrix 9, the second submatrix 10 and three sub-array 11, the first submatrix 9 is used to produce the first wave beam, the second submatrix 10
For producing the second wave beam, three sub-array 11 is used to produce the 3rd wave beam；
In the same plane, the first wave beam and the second Wave beam forming the 3rd preset angle, the 3rd wave beam and the second wave beam shape
Into the 4th default angle.
Wherein, the 3rd default angle and the 4th default angle are pre-set, and those skilled in the art can be according to tool
The design requirement of body is configured, for example, the 3rd default angle can be set into 30 °, 45 °, 60 ° or 90 ° etc., similarly
, the 4th default angle can be set to 30 °, 45 °, 60 ° or 90 ° etc., it is more preferred, by the 3rd default angle and
4th default angle is disposed as 45 °, and the 3rd wave beam and the first wave beam are perpendicular.
By the way that the 3rd default angle and the 4th default angle are disposed as into 45 degree, and the first wave beam mutually hangs down with the 3rd wave beam
Directly, in the same plane so that the antenna module can realize 0 ° of angle wave beam, -45° angle wave beam and+45° angle wave beam, now, if
When the antenna module is tilted into 45° angle on unmanned vehicle, the antenna being arranged on the unmanned vehicle can be caused
Component, which is realized, tilts 45° angle wave beam, horizontal direction wave beam and vertical direction wave beam, so for unmanned vehicle, passes through
The horizontal direction wave beam can be realized carries out detection of obstacles to the horizontal direction of unmanned vehicle, can by vertical direction wave beam
To realize that the vertical direction to unmanned vehicle carries out detection of obstacles, nobody is flown by tilting 45° angle wave beam and can realize
Detection of obstacles is carried out on the incline direction of row device, the letter of three different directions can be realized by an antenna module of setting
Breath detection function, is effectively improved the detection range of the antenna module, further increases the practicality of the antenna module, have
Beneficial to the popularization and application in market.
Embodiment ten
Fig. 4 be Fig. 3 in a submatrix E faces direction schematic diagram；Fig. 5 shows for the E faces direction of another submatrix in Fig. 3
It is intended to；Fig. 6 be Fig. 3 in another submatrix E faces direction schematic diagram；On the basis of above-described embodiment nine, with continued reference to attached
Fig. 3-6 understands that the present embodiment is not limited for the concrete shape structure of the first submatrix 9, the second submatrix 10 and three sub-array 11,
Those skilled in the art can be configured according to specific design requirement, more preferred, by the first submatrix 9 and three sub-array
11 to be set to structure identical, and the second submatrix 10 is arranged between the first submatrix 9 and three sub-array 11.
In order to improve the good appearance degree of antenna module, the first submatrix 9 and three sub-array 11 are arranged with respect to
The specular of two submatrix 10；Because the first submatrix 9 is identical with the structure of three sub-array 11, then by the first submatrix 9 and three sub-array
11, which are arranged with respect to the second submatrix 10, is poised for battle, further, for the ease of ensureing the reliability of antenna module work,
It will be connected between submatrix member 12 between submatrix member 12 in first submatrix 9 and on three sub-array 11 by micro-strip delay line 13
Connect；It can cause to deposit between the first submatrix 9, the second submatrix 10 and the array element of three sub-array 11 by the micro-strip delay line 13 of setting
In certain phase difference, and then the antenna module is caused to produce the wave beam of a certain specific direction in synchronization, specifically
Refer to shown in accompanying drawing 4-6；The present embodiment is not limited for the concrete shape structure of micro-strip delay line 13, people in the art
Member can be configured according to specific design requirement, more preferred, and micro-strip delay line 13 is set into S-shaped structure；So
So that the first submatrix 9 and three sub-array 11 are controlled；Cause that the structure of antenna module is neat simultaneously, further increase antenna
The market competitiveness of component.
During concrete application, understood with continued reference to accompanying drawing 3-6, antenna module can be set to cover 24-24.25GHz's
Working frequency range, and antenna module is set to produce the wave beam of three different directions, still, in synchronization, it can only produce
The wave beam in some raw direction, above-mentioned beam direction is respectively 0 °, -45 ° and+45 °.
In order to realize the wave beam for producing above three different directions, aerial array is set to by beam position different directions
The first submatrix 9, the second submatrix 10 and three sub-array 11 constitute, beam position is respectively：Three sub-array 11 points to -45 °, second
Submatrix 10 points to 0 °, and the first submatrix 9 points to+45 °；Further, circuit substrate is set into four laminates, length is 84mm, width
For 50mm, thickness is 32mil；Submatrix member 12 is micro-strip paster antenna, and size is 3.1mm*4.3mm, wherein the second submatrix 10 refers to
To 0 °, it is generic array antenna, repeats no more, the first submatrix 9, the second submatrix 10 and three sub-array 11 employs Taylor point
Cloth, can effectively reduce secondary lobe.
Wherein, the main lobe width of the second submatrix 10 is 9.7 °, secondary lobe -20dB, gain 17dBi；First submatrix 9 and the 3rd son
11 structures of battle array are identical, and two towards on the contrary, the first submatrix 9 points to+45 °, and three sub-array 11 then points to -45 °, wherein, the
Micro-strip delay line 13 is provided with three sub-array 11, by feeder line do S-shaped bending come cause each array element of three sub-array 11 from left to right according to
Secondary 140 ° of difference, while S-shaped feeder line can make compact conformation, reduces area, radiation loss, thus finally make array beamses point to-
45 °, the first submatrix 9, the main lobe width of three sub-array 11 are 14 °, gain 14dBi, secondary lobe -15dBi；At this point it is possible to effectively
Ensure that the antenna module can realize the wave beam in 0 °, -45 ° and+45 ° three direction.
By the way that adjacent submatrix member spacing C and column pitch D are disposed as to be less than two of antenna module at the operating frequencies
/ mono- wavelength so that so that the first submatrix 9, the second submatrix 10 and three sub-array 11 on antenna module can produce 0 ° ,-
45 ° and+45 ° of three wave beams, have effectively achieved can produce the wave beam of three different directions by an antenna module, and
And ensure that the transmitting of the signal on above three direction and receiving intensity, improve that the antenna module uses is reliable and stable
Property, and this is simple in construction, easily realizes, and cost is low, and the space taken is smaller, is effectively improved the antenna module
The market competitiveness, is conducive to the popularization and application in market.
Embodiment 11
Fig. 7 is a kind of structural representation of unmanned vehicle provided in an embodiment of the present invention；Knowable to refer to the attached drawing 7, this reality
Example is applied there is provided a kind of unmanned vehicle, including：Body 100 and antenna module, antenna module are installed on body 100, antenna
Component includes：Circuit substrate and the multiple array elements being arranged on circuit substrate, wherein, the array element spacing between adjacent array element is more than
/ 2nd wavelength of antenna module at the operating frequencies, so that antenna module produces the wave beam of multiple preset directions.
The present embodiment is not limited for the concrete shape structure of body 100, and those skilled in the art can be according to specific
Design requirement be configured, for example, body 100 can be set to include undercarriage, and then antenna module can be installed
On undercarriage.
In addition, the concrete structure of antenna module in the present embodiment, annexation, implementation process and realize effect with it is above-mentioned
The concrete structure of antenna module in embodiment one, annexation, implementation process and realize that effect is identical, specifically refer to
Those set forth is stated, be will not be repeated here.
The unmanned vehicle that the present embodiment is provided, by the antenna module being arranged on unmanned vehicle, can be produced many
The wave beam of individual preset direction, have effectively achieved can produce the wave beam of different directions by an antenna module, simple in construction,
Easily realize, cost is low, and the space taken is smaller, is effectively guaranteed the practicality of the unmanned vehicle, is conducive to city
The popularization and application of field.
Embodiment 12
On the basis of above-described embodiment, understand that the present embodiment is for the array element in antenna module with continued reference to accompanying drawing 7
Concrete shape structure is not limited, and those skilled in the art can be configured according to specific design requirement, more preferred,
Multiple array elements are set to include：Multiple array members being connected and the multiple submatrix members being connected being arranged in array member,
Multiple array members are connected by main feeder, the branch feeder line that the multiple submatrixs member being arranged in each array member is stretched out by main feeder
Connection, array element spacing includes：The submatrix member spacing between column pitch and adjacent submatrix member between each array member.
Array member, the specific connected mode of submatrix member in the present embodiment, implementation process and realize effect and above-described embodiment
Specific connected mode, the implementation process of array member, submatrix member in two are identical with effect is realized, specifically refer in above statement
Hold, will not be repeated here.
Embodiment 13
On the basis of above-described embodiment, understood with continued reference to accompanying drawing 7, multiple default sides are produced in order to improve antenna module
To wave beam work stability and reliability, multiple impedance converter units will be provided with array member, impedance converter unit is used to make
The amplitude of multiple array elements obeys Taylor's distribution and the resistance value of antenna module is matched into preset value.
Specifically, multiple impedance converter units can be set into the quarter-wave of antenna module at the operating frequencies
It is long.
The specific connected mode of the present embodiment middle impedance converter unit, implementation process and realize effect and above-described embodiment three
In impedance converter unit specific connected mode, implementation process it is identical with effect is realized, specifically refer to above statement content,
It will not be repeated here.
Embodiment 14
On the basis of above-described embodiment, understood with continued reference to accompanying drawing 7, when being operated using the antenna module, be
Can realize can be while the wave beams of multiple preset directions produced by receiving the antenna module, by main feed in synchronization
Be provided with line between multiple micro-strip delay lines, two neighboring array member makes multiple array elements in array element spacing by micro-strip delay line
There is down identical phase.
The specific connected mode of micro-strip delay line, implementation process and realized in the present embodiment in effect and above-described embodiment four
Micro-strip delay line specific connected mode, implementation process it is identical with effect is realized, specifically refer to above statement content, herein
Repeat no more.
Embodiment 15
On the basis of above-described embodiment, with continued reference to accompanying drawing 7 understand, in order to realize the antenna module transmission signal and
Semiotic function is received, via will be provided with circuit substrate, antenna module is fed by via, via is with being arranged at circuit substrate
The radio circuit of opposite side is connected.
Generally, radio circuit is arranged at the top layer of circuit substrate, therefore, by via be set to by microstrip line with
Radio circuit is connected.
The present embodiment is not limited for the concrete shape of via and position, and those skilled in the art can be according to specific
Design requirement is configured, for example, can be provided in round via, and via is arranged to the side or day of antenna module
In the middle part of line component etc., it is more preferred, via is arranged between multiple array elements, the connection of such edge circuit and component
Layout, and then ensure that antenna module is simple in construction, easily realize.
Embodiment 16
On the basis of above-described embodiment, understood with continued reference to accompanying drawing 7, wave beam of the present embodiment for multiple preset directions
Number is not limited, and those skilled in the art can be configured according to specific design requirement, more preferred, and wave beam is set
Be set to including：First wave beam, the second wave beam and the 3rd wave beam；In the same plane, the first wave beam and the second Wave beam forming first
Default angle, the 3rd wave beam and the second Wave beam forming second preset angle.
Further, the first default angle and the second default angle can be disposed as to 45 °, the 3rd wave beam and first wave
Beam is perpendicular.
First wave beam in the present embodiment, the setting relation of the second wave beam and the 3rd wave beam, implementation process and realize effect with
The first wave beam, the setting relation of the second wave beam and the 3rd wave beam in above-described embodiment six, implementation process are identical with effect is realized,
Above statement content is specifically referred to, be will not be repeated here.
Embodiment 17
Fig. 7 is a kind of structural representation of unmanned vehicle provided in an embodiment of the present invention；Knowable to refer to the attached drawing 7, this reality
Example is applied there is provided another unmanned vehicle, including：Body 100 and antenna module, antenna module are installed on body 100, day
Line component includes：Circuit substrate and of multiple antennas for producing different specific direction wave beams being arranged on circuit substrate
Battle array, each array element that each antenna submatrix is included in multiple array elements being connected, at least one antenna submatrix is postponed by micro-strip
Line is connected to each other, so as to produce phase difference between each array element at least one antenna submatrix.
Further, when producing the wave beam of specific direction using each antenna submatrix, for wave beam produced by ensureing
Array element spacing between adjacent array element in each antenna submatrix, can be set smaller than antenna submatrix in work frequency by energy intensity
/ 2nd wavelength under rate or so, wherein, it is more preferred, array element spacing in each antenna submatrix can be set to antenna
2/to three/3rd wavelength of submatrix at the operating frequencies；The radiation efficiency produced by antenna module can now be caused
Height and secondary lobe size quality preferably, and then improve the reliability that antenna module is used.
The present embodiment is not limited for the concrete shape structure of body 100, and those skilled in the art can be according to specific
Design requirement be configured, for example, body 100 can be set to include undercarriage, and then antenna module can be installed
On undercarriage.
In addition, the concrete structure of antenna module in the present embodiment, annexation, implementation process and realize effect with it is above-mentioned
The concrete structure of antenna module in embodiment seven, annexation, implementation process and realize that effect is identical, specifically refer to
Those set forth is stated, be will not be repeated here.
The unmanned vehicle that the present embodiment is provided, is arranged at the antenna module on unmanned vehicle, and nobody can be caused to fly
Row device produces the wave beam of multiple specific directions, specifically, each array element at least one antenna submatrix is set to by micro-strip
Delay line is connected to each other, so that producing phase difference between each array element at least one antenna submatrix, and then realizes day
Line component can produce the wave beam of multiple preset directions, further, by by phase in each antenna submatrix in antenna module
Array element spacing between adjacent array element is set smaller than 1/2nd wavelength of antenna submatrix at the operating frequencies or so, effectively drops
Secondary lobe produced by low each antenna submatrix, it is ensured that main lobe energy, improves the reception transmitting of each antenna submatrix signal
Intensity, so that have effectively achieved can produce the wave beam of different directions by an antenna module, it is simple in construction, it is easily real
Existing, cost is low, and the space taken is smaller, is effectively guaranteed the practicality of the unmanned vehicle, is conducive to pushing away for market
Extensively with application.
Embodiment 18
On the basis of above-described embodiment, understood with continued reference to accompanying drawing 7, concrete shape structure of the present embodiment for array element
Do not limit, those skilled in the art can be configured according to specific design requirement, more preferred, and array element is set to
Including multiple arrays member and the multiple submatrix members being connected being arranged in each array member；Array element spacing includes：Each array
The submatrix member spacing between column pitch and adjacent submatrix member between member.
Array member, the specific connected mode of submatrix member in the present embodiment, implementation process and realize effect and above-described embodiment
Specific connected mode, the implementation process of array member, submatrix member in eight are identical with effect is realized, specifically refer in above statement
Hold, will not be repeated here.
Embodiment 19
On the basis of above-described embodiment, understood with continued reference to accompanying drawing 7, specific number of the present embodiment for antenna submatrix
Do not limit, those skilled in the art can be configured according to specific design requirement, more preferred, and antenna submatrix is set
It is set to including the first submatrix, the second submatrix and three sub-array, the first submatrix is used to produce the first wave beam, and the second submatrix is used to produce
Second wave beam, three sub-array is used to produce the 3rd wave beam；
In the same plane, the first wave beam and the second Wave beam forming the 3rd preset angle, the 3rd wave beam and the second wave beam shape
Into the 4th default angle；Further, the 3rd default angle and the 4th default angle can be disposed as 45 °, the 3rd wave beam
It is perpendicular with the first wave beam.
First submatrix in the present embodiment, the setting relation of the second submatrix and three sub-array, implementation process and realize effect with
The first submatrix, the second submatrix in above-described embodiment nine is identical with effect is realized with setting relation, the implementation process of three sub-array,
Above statement content is specifically referred to, be will not be repeated here.
Embodiment 20
On the basis of above-described embodiment, understand that the present embodiment is for the first submatrix, the second submatrix with continued reference to accompanying drawing 7
Do not limited with the concrete shape structure of three sub-array, those skilled in the art can be set according to specific design requirement
Put, it is more preferred, the first submatrix and three sub-array are set to structure identical, and the second submatrix be arranged at the first submatrix with
Between three sub-array.
In order to improve the good appearance degree of antenna module, the first submatrix and three sub-array are arranged with respect to the second son
Battle array specular；Because the first submatrix is identical with three sub-array structure, then the first submatrix and three sub-array are set to relatively
It is poised for battle in the second submatrix, further, for the ease of ensureing the reliability of antenna module work, by the first submatrix
It is connected between submatrix member between submatrix member and on three sub-array by micro-strip delay line；Pass through the micro-strip delay line of setting
There is certain phase difference between the array element that the first submatrix, the second submatrix and three sub-array can be caused, and then cause the antenna
Component can only produce the wave beam of a certain specific direction in synchronization, specifically refer to shown in accompanying drawing 4-6；The present embodiment for
The concrete shape structure of micro-strip delay line is not limited, and those skilled in the art can be set according to specific design requirement
Put, it is more preferred, micro-strip delay line is set to S-shaped structure；So the first submatrix and three sub-array are controlled；Together
When make it that the structure of antenna module is neat, further increase the market competitiveness of antenna module.
Concrete application embodiment implements process and realizes the tool in effect and above-described embodiment ten in the present embodiment
Body Application Example to implement process identical with effect is realized, specifically refer to above statement content, will not be repeated here.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (34)
1. a kind of antenna module of unmanned vehicle, it is characterised in that including：Circuit substrate and it is arranged on the circuit substrate
Multiple array elements, wherein, array element spacing between the adjacent array element is more than two points of the antenna module at the operating frequencies
One of wavelength so that the antenna module produces the wave beam of multiple preset directions.
2. antenna module according to claim 1, it is characterised in that the multiple array element includes：Multiple row being connected
Array element is connected with the multiple submatrix members being connected being arranged in the array member, multiple array members by main feeder, if
The branch feeder line that the multiple submatrix members being placed in each described array member are stretched out by the main feeder is connected, between the array element
Away from including：The submatrix member spacing between column pitch and adjacent submatrix member between each array member.
3. antenna module according to claim 2, it is characterised in that multiple impedance conversion are provided with the array member single
Member, the impedance converter unit is used to make the amplitude of multiple array elements to obey Taylor's distribution and by the resistance of the antenna module
Value is matched to preset value.
4. antenna module according to claim 3, it is characterised in that multiple impedance converter units are the antenna sets
The quarter-wave of part at the operating frequencies.
5. antenna module according to claim 2, it is characterised in that multiple micro-strip delays are provided with the main feeder
Multiple array elements are made to have under the array element spacing by the micro-strip delay line between line, the two neighboring array member
Identical phase.
6. antenna module according to claim 1, it is characterised in that via, the day are provided with the circuit substrate
Line component is fed by the via, and the via is connected with being arranged at the radio circuit of the circuit substrate opposite side.
7. antenna module according to claim 6, it is characterised in that the via passes through microstrip line and the radio circuit
It is connected.
8. the antenna module according to any one in claim 1-7, it is characterised in that the wave beam includes：First wave
Beam, the second wave beam and the 3rd wave beam；In the same plane, first wave beam and the default folder of second Wave beam forming first
Angle, the 3rd wave beam presets angle with second Wave beam forming second.
9. antenna module according to claim 8, it is characterised in that the described first default angle and the second default folder
Angle is 45 °, and the 3rd wave beam and first wave beam are perpendicular.
10. a kind of antenna module of unmanned vehicle, it is characterised in that including：Circuit substrate and it is arranged at the circuit substrate
On be used for produce multiple antenna submatrixs of different specific direction wave beams, each antenna submatrix includes multiple be connected
Each array element in array element, at least one described antenna submatrix is connected to each other by micro-strip delay line, so that at least one described day
Phase difference is produced between each array element in line submatrix.
11. antenna module according to claim 10, it is characterised in that array element spacing is the day in each antenna submatrix
2/to three/3rd wavelength of line submatrix at the operating frequencies.
12. antenna module according to claim 10, it is characterised in that the antenna submatrix includes the first submatrix, second
Submatrix and three sub-array, first submatrix are used to produce the first wave beam, and second submatrix is used to produce the second wave beam, described
Three sub-array is used to produce the 3rd wave beam；
In the same plane, first wave beam presets angle, the 3rd wave beam and institute with second Wave beam forming the 3rd
State the second Wave beam forming the 4th and preset angle.
13. antenna module according to claim 12, it is characterised in that the described 3rd default angle and the described 4th is preset
Angle is 45 °, and the 3rd wave beam and first wave beam are perpendicular.
14. antenna module according to claim 12, it is characterised in that first submatrix and the three sub-array structure
It is identical, and second submatrix is arranged between first submatrix and the three sub-array.
15. antenna module according to claim 14, it is characterised in that first submatrix is relative with the three sub-array
In the second submatrix specular.
16. antenna module according to claim 14, it is characterised in that between the submatrix member in first submatrix and institute
State on three sub-array submatrix member between be connected by the micro-strip delay line.
17. antenna module according to claim 16, it is characterised in that the micro-strip delay line is S-shaped.
18. a kind of unmanned vehicle, it is characterised in that including：Body and antenna module, the antenna module are installed on the machine
On body, the antenna module includes：Circuit substrate and the multiple array elements being arranged on the circuit substrate, wherein, it is adjacent described
Array element spacing between array element is more than 1/2nd wavelength of the antenna module at the operating frequencies, so that the antenna module
Produce the wave beam of multiple preset directions.
19. unmanned vehicle according to claim 18, it is characterised in that the multiple array element includes：It is multiple to be connected
Array member and multiple submatrixs members being connected for being arranged in array member, multiple arrays are first to be connected by main feeder
Connect, the branch feeder line that the multiple submatrix members being arranged in each described array member are stretched out by the main feeder is connected, described
Array element spacing includes：The submatrix member spacing between column pitch and adjacent submatrix member between each array member.
20. unmanned vehicle according to claim 19, it is characterised in that be provided with multiple impedances in the array member and become
Change unit, the impedance converter unit is used to making the amplitude of multiple array elements to obey Taylor's distribution and by the antenna module
Resistance value is matched to preset value.
21. unmanned vehicle according to claim 20, it is characterised in that multiple impedance converter units are the day
The quarter-wave of line component at the operating frequencies.
22. unmanned vehicle according to claim 19, it is characterised in that multiple micro-strips are provided with the main feeder and are prolonged
Multiple array elements are made to have under the array element spacing by the micro-strip delay line between slow line, the two neighboring array member
There is identical phase.
23. unmanned vehicle according to claim 18, it is characterised in that via, institute are provided with the circuit substrate
State antenna module to feed by the via, the via is connected with being arranged at the radio circuit of the circuit substrate opposite side
Connect.
24. unmanned vehicle according to claim 23, it is characterised in that the via passes through microstrip line and the radio frequency
Circuit is connected.
25. the unmanned vehicle according to any one in claim 18-24, it is characterised in that the wave beam includes：The
One wave beam, the second wave beam and the 3rd wave beam；In the same plane, first wave beam is preset with second Wave beam forming first
Angle, the 3rd wave beam presets angle with second Wave beam forming second.
26. unmanned vehicle according to claim 25, it is characterised in that the described first default angle and described second pre-
If angle is 45 °, the 3rd wave beam and first wave beam are perpendicular.
27. a kind of unmanned vehicle, it is characterised in that including：Body and antenna module, the antenna module are installed on the machine
On body, the antenna module includes：Circuit substrate produces different specific direction ripples with being used on the circuit substrate is arranged at
Multiple antenna submatrixs of beam, each antenna submatrix includes multiple array elements being connected, at least one described antenna submatrix
In each array element be connected to each other by micro-strip delay line, so as to produce phase between each array element at least one described antenna submatrix
Potential difference.
28. unmanned vehicle according to claim 27, it is characterised in that array element spacing is described in each antenna submatrix
2/to three/3rd wavelength of antenna submatrix at the operating frequencies.
29. unmanned vehicle according to claim 27, it is characterised in that the antenna submatrix includes the first submatrix, the
Two submatrixs and three sub-array, first submatrix are used to produce the first wave beam, and second submatrix is used to produce the second wave beam, institute
State three sub-array be used for produce the 3rd wave beam；
In the same plane, first wave beam presets angle, the 3rd wave beam and institute with second Wave beam forming the 3rd
State the second Wave beam forming the 4th and preset angle.
30. unmanned vehicle according to claim 29, it is characterised in that the described 3rd default angle and described 4th pre-
If angle is 45 °, the 3rd wave beam and first wave beam are perpendicular.
31. unmanned vehicle according to claim 29, it is characterised in that first submatrix and the three sub-array knot
Structure is identical, and second submatrix is arranged between first submatrix and the three sub-array.
32. unmanned vehicle according to claim 31, it is characterised in that first submatrix and the three sub-array phase
For the second submatrix specular.
33. unmanned vehicle according to claim 31, it is characterised in that between the submatrix member in first submatrix and
It is connected between submatrix member on the three sub-array by the micro-strip delay line.
34. unmanned vehicle according to claim 33, it is characterised in that the micro-strip delay line is S-shaped.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/107145 WO2018094660A1 (en) | 2016-11-24 | 2016-11-24 | Antenna assembly and unmanned aerial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107112623A true CN107112623A (en) | 2017-08-29 |
Family
ID=59676531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680003538.5A Pending CN107112623A (en) | 2016-11-24 | 2016-11-24 | Antenna module and unmanned vehicle |
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| WO (1) | WO2018094660A1 (en) |
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| CN109193179A (en) * | 2018-09-20 | 2019-01-11 | 苏州大学 | The horizontal airspace division array antenna of narrow beam, Wide measuring range |
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