CN206180126U - Antenna module and unmanned vehicles - Google Patents
Antenna module and unmanned vehicles Download PDFInfo
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- CN206180126U CN206180126U CN201621266530.1U CN201621266530U CN206180126U CN 206180126 U CN206180126 U CN 206180126U CN 201621266530 U CN201621266530 U CN 201621266530U CN 206180126 U CN206180126 U CN 206180126U
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Abstract
The utility model provides an antenna module and unmanned vehicles, antenna module are used for installing at unmanned vehicles, and the antenna module includes: circuit board with set up being used for on circuit board and produce different a plurality of antenna bay of specific direction beam, every antenna bay all includes a plurality of array elements that are connected, at least one each array element among the antenna bay is passed through the microstrip delay line and is connected each other, so that at least one produce the phase difference between each array element among the antenna bay. The utility model provides an antenna module and unmanned vehicles is through at least one each array element among the antenna bay is passed through the microstrip delay line and is connected each other to realized effectively can producing not equidirectional beam through an antenna module, simple structure realizes easily, and is with low costs, has guaranteed the practicality of this antenna module effectively.
Description
Technical field
The utility model is related 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, it is integrated, in antenna aperture identical feelings
Under condition, millimetre-wave radar can obtain narrower antenna beam, and antenna gain higher can improve angular resolution and the angle measurement of radar
Precision, and be conducive to Anti-amyloid-β antibody, noise jamming and multipath reflection to disturb.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, range finding can not be met under compared with complex environment
The demand of the equipment of work, multitask, multifunction demand increasingly increase, and except the complication of radar Back end data treatment, go back
Needing radar antenna has flexible beam position；The existing scheme for realizing multi-beam has：1st, lens antenna, using lens handle
The energy centralization that feed is radiated gets up to be formed a sharp wave beam, when multiple feed is set 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,
A sharp wave beam is formed the energy of feed is reflected using reflecting surface, and reflecting surface near focal point has multiple feeds, diverse location
Feed can be formed and point to different wave beams；3rd, phased array antenna, connects a control unit below each array element, pass through
The amplitude of each array element, phase is 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, lens antenna is similar to, 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, and complex structure, cost is high.
Utility model content
The utility model provides a kind of antenna module and unmanned vehicle, for solve it is above-mentioned present in prior art or
Person other potential problems.
One side of the present utility model provides a kind of antenna module of unmanned vehicle, including：Circuit substrate and setting
In the multiple antenna submatrixs for producing different specific direction wave beams on the circuit substrate, each described antenna submatrix is wrapped
Multiple array elements being connected are included, multiple array elements are connected by feeder line；Wherein, it is each in antenna submatrix described at least one
Array element is connected to each other by micro-strip delay line, so as to produce phase difference between each array element in antenna submatrix described at least one.
Further, in each antenna submatrix array element spacing be the antenna submatrix at the operating frequencies 1/3rd to
2/3rds wavelength.
Further, the antenna submatrix includes the first submatrix, the second submatrix and three sub-array, and first submatrix is used for
The first wave beam is produced, second submatrix is used to produce the second wave beam, and the three sub-array is for producing the 3rd wave beam；
In the same plane, first wave beam presets angle, the 3rd wave beam with second Wave beam forming the 3rd
Angle is preset with second Wave beam forming the 4th.
Further, the described 3rd default angle and the 4th default angle are 45 °, the 3rd wave beam with it is described
First wave beam is perpendicular.
Further, first submatrix is identical with the three sub-array structure, and second submatrix is arranged at institute
State between the first submatrix and the three sub-array.
Further, first submatrix with the three sub-array relative to the second submatrix specular.
Further, pass through between the submatrix unit between the submatrix unit in first submatrix and on the three sub-array
The micro-strip delay line is connected.
Further, the micro-strip delay line is S-shaped.
Another aspect of the present utility model provides a kind of unmanned vehicle, including：Body and antenna module, the antenna
Component is installed on the body, and the antenna module includes：Circuit substrate and the multiple use being arranged on the circuit substrate
In the antenna submatrix for producing specific direction wave beam, each described antenna submatrix includes multiple array elements being connected, multiple described
Array element is connected by feeder line；Wherein, each array element in antenna submatrix described at least one is connected to each other by micro-strip delay line,
So as to produce phase difference between each array element in antenna submatrix described at least one.
Further, in each antenna submatrix array element spacing be the antenna submatrix at the operating frequencies 1/3rd to
2/3rds wavelength.
Further, the antenna submatrix includes the first submatrix, the second submatrix and three sub-array, and first submatrix is used for
The first wave beam is produced, second submatrix is used to produce the second wave beam, and the three sub-array is for producing the 3rd wave beam；
In the same plane, first wave beam presets angle, the 3rd wave beam with second Wave beam forming the 3rd
Angle is preset with second Wave beam forming the 4th.
Further, the described 3rd default angle and the 4th default angle are 45 °, the 3rd wave beam with it is described
First wave beam is perpendicular.
Further, first submatrix is identical with the three sub-array structure, and second submatrix is arranged at institute
State between the first submatrix and the three sub-array.
Further, first submatrix with the three sub-array relative to the second submatrix specular.
Further, pass through between the submatrix unit between the submatrix unit in first submatrix and on the three sub-array
The micro-strip delay line is connected.
Further, the micro-strip delay line is S-shaped.
Antenna module and unmanned vehicle that the utility model is provided, by integrated for producing not on circuit substrate
With multiple antenna submatrixs of specific direction wave beam, by each array element in antenna submatrix described at least one by micro-strip delay line that
This connection, and then cause to produce phase difference between each array element at least one antenna submatrix, pass through so as to have effectively achieved
One antenna module can produce the wave beam of different directions, simple structure, easily realize, low cost, and the space for taking compared with
It is small, the practicality of the antenna module is effectively guaranteed, be 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 E faces direction schematic diagram of a submatrix in Fig. 1；
Fig. 3 is the E faces direction schematic diagram of another submatrix in Fig. 1；
Fig. 4 is the E faces direction schematic diagram of another submatrix in Fig. 1；
Fig. 5 is a kind of structural representation of unmanned vehicle provided in an embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Example is used to illustrate the utility model, but is not limited to scope of the present utility model.
In the utility model, the term such as term " installation ", " connection ", " fixation " is broadly understood, for example, " connection "
Can be fixedly connected, or be detachably connected, or be integrally connected.For the ordinary skill in the art,
Concrete meaning of the above-mentioned term in the utility model can as the case may be understood.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", the finger such as " outward "
The orientation or position relationship for showing be based on orientation shown in the drawings or position relationship, be for only for ease of description the utility model and
Simplified description, must be with specific orientation, with specific azimuth configuration rather than the device or element for indicating or imply meaning
And operation, therefore it is not intended that to limitation of the present utility model.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In description of the present utility model, " multiple " is meant that at least two, example
Such as two, three etc., unless otherwise expressly limited specifically.
Embodiment one
A kind of structural representation of antenna module that Fig. 1 is provided for the utility model embodiment；Knowable to refer to the attached drawing 1, this
Embodiment provides a kind of antenna module, for installed in unmanned vehicle, specifically, the antenna module includes：Circuit base
Plate and the multiple antenna submatrixs for producing different specific direction wave beams being arranged on circuit substrate, each antenna submatrix are wrapped
Multiple array elements being connected are included, multiple array elements are connected by feeder line；Wherein, it is each in antenna submatrix described at least one
Array element is connected to each other by micro-strip delay line, so as to produce phase difference between each array element at least one 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 to rectangular slab or square plate etc., as long as ensure that battle array
Unit 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 three ripples of different directions are 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 is identical with produced wave beam number；Additionally, specific for 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
2,20,30 or 40 etc. are set to, as long as ensure that the signal emissive porwer of antenna and less take up room
, will not be repeated here.
Further, when the wave beam of specific direction is produced using each antenna submatrix, in order to ensure produced wave beam
Energy intensity, can be set smaller than antenna submatrix in work frequency by the array element spacing between adjacent array element in each antenna submatrix
/ 2nd wavelength under rate or so, wherein, more preferably, array element spacing in each antenna submatrix can be set to antenna
Submatrix 2/1sts to three/3rd wavelength 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.
Additionally, 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.
During specific implementation, 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 antenna submatrix 1/2nd wavelength at the operating frequencies；Can so have
Effect ground reduces the secondary lobe produced by antenna submatrix；And then ensure that the main lobe energy produced by each antenna submatrix.
The antenna module that the present embodiment is provided, by integrated for producing different specific direction wave beams 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 cause to produce phase difference between each array element at least one antenna submatrix；And then realize antenna module and can produce multiple
The wave beam of preset direction, further, is set smaller than by by the array element spacing between adjacent array element in each antenna submatrix
Antenna submatrix 1/2nd wavelength 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 improve, so as to have effectively achieved by one
Antenna module can produce the wave beam of different directions, and simple structure is easily realized, low cost, and the space for taking is smaller, has
The practicality of the antenna module is ensure that to effect, 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 preferably, array element is set to
Including the submatrix unit 4 that multiple arrays unit is connected with the multiple being arranged in each array unit；Array element spacing includes：Each array
Submatrix unit spacing between column pitch and adjacent submatrix unit 4 between unit.
Wherein, the concrete shape structure of multiple arrays unit of the present embodiment for setting is not limited, due to each antenna
Submatrix is used to produce different specific direction wave beams, therefore, the array element structure in each antenna submatrix is different, and then causes what is set
The structure of array unit 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；Additionally, the present embodiment is not limited for 4 numbers of submatrix unit of setting in array unit, for example, can be by submatrix
The number of unit 4 is set to 2,4 or 14 etc.；Multiple submatrix units 4 have been connected to form array unit.
Because array element includes array unit and submatrix unit 4, therefore, array element spacing also includes column pitch and submatrix unit spacing, such as
Shown in figure, column pitch is that shown in the D in figure, submatrix unit spacing is that shown in the C in figure, above-mentioned submatrix unit spacing C and column pitch D is equal
Less than antenna module 1/2nd wavelength 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 three
On the basis of above-described embodiment, understood with continued reference to accompanying drawing 1, 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 preferably, antenna submatrix is set
It is set to including the first submatrix 1, the second submatrix 2 and three sub-array 3, the first submatrix 1 is used to produce the first wave beam, and the second submatrix 2 is used
It is used to produce the 3rd wave beam in the second wave beam, three sub-array 3 is produced；
In the same plane, the first wave beam and the default angle of the second Wave beam forming the 3rd, 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 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 to 30 °, 45 °, 60 ° or 2 ° etc., similarly
, the 4th default angle can be set to 30 °, 45 °, 60 ° or 2 ° etc., more preferably, by the 3rd default angle and
4th default angle is disposed as 45 °, and the 3rd wave beam is perpendicular with the first wave beam.
45 degree are disposed as by by the 3rd default angle and the 4th default angle, 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
The antenna module is inclined into 45° angle to be arranged on when on unmanned vehicle, the antenna being arranged on the unmanned vehicle can be caused
Component is realized inclining 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 carrying 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, can realize flying nobody by inclining 45° angle wave beam
Detection of obstacles is carried out on the incline direction of row device, three letters of different directions can be realized by the antenna module for setting
Breath detection function, is effectively improved the detection range of the antenna module, further increases the practicality of the antenna module, has
Beneficial to the popularization and application in market.
Example IV
Fig. 2 is the E faces direction schematic diagram of a submatrix in Fig. 1；Fig. 3 is that the E faces direction of another submatrix in Fig. 1 shows
It is intended to；Fig. 4 is the E faces direction schematic diagram of another submatrix in Fig. 1；On the basis of above-described embodiment nine, with continued reference to attached
Fig. 1-4 understands that the present embodiment is not limited for the concrete shape structure of the first submatrix 1, the second submatrix 2 and three sub-array 3, this
Art personnel can be configured according to specific design requirement, more preferably, by the first submatrix 1 and three sub-array 3
It is set to structure identical, and the second submatrix 2 is arranged between the first submatrix 1 and three sub-array 3.
In order to improve the good appearance degree of antenna module, the first submatrix 1 and three sub-array 3 are arranged with respect to second
The specular of submatrix 2；Because the first submatrix 1 is identical with the structure of three sub-array 3, then the first submatrix 1 and three sub-array 3 are set
It is to be poised for battle relative to the second submatrix 2, further, for the ease of ensureing the reliability of antenna module work, by first
It is connected by micro-strip delay line 5 between submatrix unit 4 between submatrix unit 4 in submatrix 1 and on three sub-array 3；By setting
The micro-strip delay line 5 put can cause there is certain phase between the first submatrix 1, the second submatrix 2 and the array element of three sub-array 3
Difference, and then cause that the antenna module can only produce the wave beam of a certain specific direction in synchronization, specifically refer to accompanying drawing 1-4
It is shown；The present embodiment is not limited for the concrete shape structure of micro-strip delay line 5, and those skilled in the art can be according to specific
Design requirement be configured, more preferably, micro-strip delay line 5 is set to S-shaped structure；So cause the He of the first submatrix 1
Three sub-array 3 is controlled；Cause that the structure of antenna module is neat simultaneously, further increase the market competition of antenna module
Power.
During concrete application, understood with continued reference to accompanying drawing 1-4, antenna module can be set to cover 24-24.25GHz's
Working frequency range, and antenna module is set to produce three wave beams of different directions, but, in synchronization, can only produce
The wave beam in raw some direction, above-mentioned beam direction is respectively 0 °, -45 ° and+45 °.
In order to realize producing the wave beam of above three different directions, aerial array is set to by beam position different directions
The first submatrix 1, the second submatrix 2 and three sub-array 3 constitute, beam position is respectively：Three sub-array 3 points to -45 °, the second son
Battle array 2 points to 0 °, and the first submatrix 1 points to+45 °；Further, circuit substrate is set into four laminates, length is 84mm, and width is
50mm, thickness is 32mil；Submatrix unit 4 is micro-strip paster antenna, and size is 3.1mm*4.3mm, wherein the second submatrix 2 points to 0 °,
It is generic array antenna, repeats no more, the first submatrix 1, the second submatrix 2 and three sub-array 3 employs Taylor's distribution, can be effective
Reduce secondary lobe.
Wherein, the main lobe width of the second submatrix 2 is 1.7 °, secondary lobe -20dB, gain 17dBi；First submatrix 1 and the 3rd son
3 structures of battle array are identical, and two towards conversely, the first submatrix 1 points to+45 °, and three sub-array 3 then points to -45 °, wherein, the 3rd
Micro-strip delay line 5 is provided with submatrix 3, feeder line is done into S-shaped bending come so that each array element of three sub-array 3 is differed successively from left to right
140 °, while S-shaped feeder line can make compact conformation, reduce area, radiation loss, so that finally make -45 ° of array beamses sensing, the
The main lobe width of one submatrix 1, three sub-array 3 is 14 °, gain 14dBi, secondary lobe -15dBi；At this point it is possible to effectively ensure the day
Line component can realize 0 °, -45 ° and+45 ° three wave beams in direction.
By by adjacent submatrix unit spacing C and column pitch D be disposed as less than antenna module at the operating frequencies two
/ mono- wavelength, so that so that the first submatrix 1, the second submatrix 2 and three sub-array 3 on antenna module can produce 0 °, -45 °
Three wave beams with+45 °, have effectively achieved can produce three wave beams of different directions by an antenna module, and
Signal transmitting and receiving intensity on above three direction are ensure that, the reliability that the antenna module is used is improve,
And the simple structure, easily realizes, low cost, and the space for taking is smaller, is effectively improved the city of the antenna module
Field competitiveness, is conducive to the popularization and application in market.
Embodiment five
A kind of structural representation of unmanned vehicle that Fig. 5 is provided for the utility model embodiment；Knowable to refer to the attached drawing 5,
A kind of unmanned vehicle is present embodiments provided, including：Body 100 and antenna module, antenna module are installed on body 100,
Antenna module includes：Circuit substrate and of the multiple antennas for producing different specific direction wave beams being arranged on circuit substrate
Battle array, each antenna submatrix includes multiple array elements being connected, and multiple array elements are connected by feeder line；Wherein, at least one
Each array element in the individual antenna submatrix is connected to each other by micro-strip delay line, so that each in antenna submatrix described at least one
Phase difference is produced between array element.
Further, when the wave beam of specific direction is produced using each antenna submatrix, in order to ensure produced wave beam
Energy intensity, can be set smaller than antenna submatrix in work frequency by the array element spacing between adjacent array element in each antenna submatrix
/ 2nd wavelength under rate or so, wherein, more preferably, array element spacing in each antenna submatrix can be set to antenna
Submatrix 2/1sts to three/3rd wavelength 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.
Additionally, in the present embodiment the concrete structure of antenna module, annexation, implementation process and realize effect with it is above-mentioned
The concrete structure of the 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, is arranged at the antenna module on body 100, can cause unmanned vehicle
The wave beam of multiple specific directions is produced, specifically, each array element at least one antenna submatrix is set to postpone by micro-strip
Line is connected to each other, so that producing phase difference between each array element in antenna submatrix described at least one, and then realizes day
Line component can produce the wave beam of multiple preset directions, further, by by phase in each the antenna submatrix in antenna module
Array element spacing between adjacent array element is set smaller than antenna submatrix 1/2nd wavelength 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, the wave beam of different directions can be produced so as to have effectively achieved by an antenna module, and simple structure is easily real
It is existing, low cost, and the space for taking is smaller, is effectively guaranteed the practicality of the unmanned vehicle, is conducive to pushing away for market
Extensively with application.
Embodiment six
On the basis of above-described embodiment, understood with continued reference to accompanying drawing 5, 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 preferably, array element is set to
Including the submatrix unit that multiple arrays unit is connected with the multiple being arranged in each array unit；Array element spacing includes：Each array
Submatrix unit spacing between column pitch and adjacent submatrix unit between unit.
Array unit, the specific connected mode of submatrix unit in the present embodiment, implementation process and realize effect and above-described embodiment
Array unit, the specific connected mode of submatrix unit, implementation process in two are specifically referred in above statement with to realize effect identical
Hold, will not be repeated here.
Embodiment seven
On the basis of above-described embodiment, understood with continued reference to accompanying drawing 5, 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 preferably, 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 default angle of the second Wave beam forming the 3rd, 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.
In the present embodiment the first submatrix, 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 three and the setting relation of three sub-array, implementation process and to realize effect identical,
Above statement content is specifically referred to, be will not be repeated here.
Embodiment eight
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 5
Concrete shape structure with three sub-array is not limited, and those skilled in the art can be set according to specific design requirement
Put, more preferably, the first submatrix and three sub-array be 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 by micro-strip delay line between submatrix unit between submatrix unit and on three sub-array；By the micro-strip delay line for setting
Can cause there is certain phase difference between the first submatrix, the second submatrix and the array element of three sub-array, 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 4-5；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, more preferably, micro-strip delay line is set to S-shaped structure；So cause that the first submatrix and three sub-array are controlled；Together
When cause 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 four in the present embodiment
Body Application Example implement process and to realize effect identical, specifically refer to above statement content, will not be repeated here.
Finally it should be noted that：Various embodiments above is only used to illustrate the technical solution of the utility model, rather than it is limited
System；Although being described in detail to the utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (16)
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
The multiple antenna submatrixs for producing different specific direction wave beams, each described antenna submatrix includes multiple battle arrays being connected
Unit, multiple array elements are connected by feeder line；Wherein, each array element in antenna submatrix described at least one is postponed by micro-strip
Line is connected to each other, so as to produce phase difference between each array element in antenna submatrix described at least one.
2. antenna module according to claim 1, it is characterised in that array element spacing is the antenna in each antenna submatrix
Submatrix 2/1sts to three/3rd wavelength at the operating frequencies.
3. antenna module according to claim 1, it is characterised in that the antenna submatrix includes the first submatrix, the second son
Battle array 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 the
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 default angle of the second Wave beam forming the 4th.
4. antenna module according to claim 3, it is characterised in that the described 3rd default angle and the 4th default folder
Angle is 45 °, and the 3rd wave beam is perpendicular with first wave beam.
5. antenna module according to claim 3, it is characterised in that first submatrix and the three sub-array structure phase
Together, and second submatrix is arranged between first submatrix and the three sub-array.
6. antenna module according to claim 5, it is characterised in that first submatrix and the three sub-array relative to
The second submatrix specular.
7. antenna module according to claim 5, it is characterised in that between the submatrix unit in first submatrix and described
It is connected by the micro-strip delay line between submatrix unit on three sub-array.
8. antenna module according to claim 7, it is characterised in that the micro-strip delay line is S-shaped.
9. 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 being arranged on the circuit substrate are used to produce specific direction ripple
The antenna submatrix of beam, each described antenna submatrix includes multiple array elements being connected, and multiple array elements are connected by feeder line
Connect；Wherein, each array element in antenna submatrix described at least one is connected to each other by micro-strip delay line, so that described at least one
Phase difference is produced between each array element in antenna submatrix.
10. unmanned vehicle according to claim 9, it is characterised in that array element spacing is described in each antenna submatrix
Antenna submatrix 2/1sts to three/3rd wavelength at the operating frequencies.
11. unmanned vehicles according to claim 9, 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 default angle of the second Wave beam forming the 4th.
12. unmanned vehicles according to claim 11, it is characterised in that the described 3rd default angle and described 4th pre-
If angle is 45 °, the 3rd wave beam is perpendicular with first wave beam.
13. unmanned vehicles according to claim 11, 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.
14. unmanned vehicles according to claim 13, it is characterised in that first submatrix and the three sub-array phase
For the second submatrix specular.
15. unmanned vehicles according to claim 13, it is characterised in that in first submatrix submatrix unit between and
It is connected by the micro-strip delay line between submatrix unit on the three sub-array.
16. unmanned vehicles according to claim 15, it is characterised in that the micro-strip delay line is S-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621266530.1U CN206180126U (en) | 2016-11-24 | 2016-11-24 | Antenna module and unmanned vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621266530.1U CN206180126U (en) | 2016-11-24 | 2016-11-24 | Antenna module and unmanned vehicles |
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| Publication Number | Publication Date |
|---|---|
| CN206180126U true CN206180126U (en) | 2017-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621266530.1U Expired - Fee Related CN206180126U (en) | 2016-11-24 | 2016-11-24 | Antenna module and unmanned vehicles |
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| Country | Link |
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| CN (1) | CN206180126U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018094660A1 (en) * | 2016-11-24 | 2018-05-31 | 深圳市大疆创新科技有限公司 | Antenna assembly and unmanned aerial vehicle |
| WO2019235933A1 (en) * | 2018-06-07 | 2019-12-12 | Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno | Radar antenna for use in a miniature unmanned aerial vehicle |
-
2016
- 2016-11-24 CN CN201621266530.1U patent/CN206180126U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018094660A1 (en) * | 2016-11-24 | 2018-05-31 | 深圳市大疆创新科技有限公司 | Antenna assembly and unmanned aerial vehicle |
| WO2019235933A1 (en) * | 2018-06-07 | 2019-12-12 | Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno | Radar antenna for use in a miniature unmanned aerial vehicle |
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