CN208401045U - Tandem series fed antenna, aerial array, paster antenna and sensing system - Google Patents
Tandem series fed antenna, aerial array, paster antenna and sensing system Download PDFInfo
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- CN208401045U CN208401045U CN201820513853.9U CN201820513853U CN208401045U CN 208401045 U CN208401045 U CN 208401045U CN 201820513853 U CN201820513853 U CN 201820513853U CN 208401045 U CN208401045 U CN 208401045U
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Abstract
The utility model discloses a kind of tandem series fed antenna, aerial array, paster antenna and sensing systems.The tandem series fed antenna includes: series connection electromagnetic wave transmission line；M microband paste unit, along series connection electromagnetic wave length of transmission line direction, sequentially compartment of terrain is series at the series connection electromagnetic wave transmission line, the ipsilateral or two sides that each microband paste unit is respectively facing the series connection electromagnetic wave transmission line extend, and M is the positive integer more than or equal to 1.The aerial array, paster antenna and sensing system directly or indirectly include the tandem series fed antenna.Wherein, the spacing between M microband paste unit, the size of each microband paste unit can be designed as needed, so as to design the radiation wave mode of tandem series fed antenna.
Description
Technical field
The utility model relates to antenna technical fields, more particularly to a kind of tandem series fed antenna, aerial array, patch
Antenna and sensing system.
Background technique
Millimeter wave (mm Wave) is a kind of radar electromagnetic wave of working frequency between 30GHz to 300GHz, this kind of radar
The electromagnetic wave of system transmitting can generate back wave after encountering object, reflect signal by capture, radar system can determine object
Range, speed and angle.Since millimetre-wave radar transmission wavelength is within the scope of millimeter, antenna needed for millimeter-wave signal is very
Small, detection accuracy is high, works in the millimeter-wave systems of 76-81GHz, about 4 millimeters of corresponding wavelength, detects moving object
Ability not only has the detection accuracy of submillimeter level up to part millimeters of radar electromagnetic wave signals of millimeter, additionally it is possible to penetrate
Certain materials, such as plastics, plasterboard, clothes, and not by rain, mist, the influence of the environmental conditions such as dust and snow.It can be seen that milli
Rice radar electromagnetic wave is a kind of very valuable non-contact sensor technology, can be widely applied to Automobile Millimeter Wave sensor,
And industry, the millimeter wave sensor field of unmanned plane and medical treatment.
Utility model content
In view of this, the present invention provides a kind of tandem series fed antennas, comprising:
Series connection electromagnetic wave transmission line；
M microband paste unit is sequentially series at the string in compartment of terrain along series connection electromagnetic wave length of transmission line direction
Join electromagnetic transmission line, the ipsilateral or two sides that each microband paste unit is respectively facing the series connection electromagnetic wave transmission line extend, M
For the positive integer more than or equal to 1.
It the purpose of this utility model and solves its technical problem also following technical measures can be used to further realize.
Optionally, tandem series fed antenna above-mentioned, wherein the direction that each microband paste unit extends is connected with described
The length direction of electromagnetic transmission line is vertical.
Optionally, tandem series fed antenna above-mentioned, wherein on the length direction of the series connection electromagnetic wave transmission line, institute
State the of same size of series connection electromagnetic wave transmission line；Or
On the length direction of the series connection electromagnetic wave transmission line, the width of the series connection electromagnetic wave transmission line is gradually increased
It is gradually reduced again.
Optionally, tandem series fed antenna above-mentioned, wherein M is the positive integer more than or equal to 3, M microband paste unit
The length for being respectively facing the ipsilateral or two sides extension of the series connection electromagnetic wave transmission line is sequentially first gradually increased to be gradually reduced again；
Or
M is the positive integer more than or equal to 3, and M microband paste unit is respectively facing the same of the series connection electromagnetic wave transmission line
The length that side or two sides extend sequentially is gradually increased；Or
M is the positive integer more than or equal to 3, and M microband paste unit is respectively facing the same of the series connection electromagnetic wave transmission line
The length that side or two sides extend sequentially is gradually reduced；Or
M is the positive integer more than or equal to 3, and M microband paste unit is respectively facing the same of the series connection electromagnetic wave transmission line
The length that side or two sides extend is identical.
Optionally, tandem series fed antenna above-mentioned, wherein series electrical magnetic wave transmission thread end leading-out wire section open circuit；
Or
The series connection electromagnetic wave transmission line leading-out wire is connected with impedance matching unit.
Optionally, tandem series fed antenna above-mentioned, wherein the impedance matching unit and the electromagnetic transmission of connecting
Line length direction is in the same direction；Or
The impedance matching unit is connected with the electromagnetic wave transmission line bending of connecting.
Optionally, tandem series fed antenna above-mentioned, wherein when each microband paste unit is respectively facing the series electrical
When the ipsilateral extension of magnetic wave transmission line,
Each microband paste unit is in solid panels, and the series connection electromagnetic wave transmission line connects each microband paste unit
Side；Or
Each microband paste unit includes the line segment of bending, and series connection electromagnetic wave transmission line and M microband paste unit are by one
Conducting wire is bent.
Optionally, tandem series fed antenna above-mentioned, wherein when each microband paste unit is respectively facing the series electrical
When the two sides of magnetic wave transmission line extend,
Each microband paste unit is in solid or hollow panel, and the series connection electromagnetic wave transmission line connects each microband paste
The middle part of unit；Or
Each microband paste unit includes the first line segment of the bending being oppositely arranged and the second line segment of bending, electromagnetism of connecting
Wave transmission line includes the first side transmission line and second side transmission line being oppositely arranged, first side transmission line and M micro-strip patch
First line segment of the bending of blade unit is bent by the first conducting wire, second side transmission line and M microband paste unit
The second line segment of bending is bent by the second conducting wire, first conducting wire connected with second conducting wire both ends to be formed it is hollow
Ring.
Optionally, tandem series fed antenna above-mentioned, wherein M is more than or equal to 1 and is less than or equal to 30.
X array antenna array, X is the positive integer more than or equal to 2, wherein each array antenna array includes:
N number of above-mentioned tandem series fed antenna, N are the positive integer more than or equal to 1；
When N is more than or equal to 2, N number of tandem series fed antenna is connected by impedance matching transmission line；
Each column in X array antenna array can be connected with radar emission end or radar receiving-end impedance matched transmission line.
In another aspect, the embodiments of the present invention provide a kind of paster antenna, comprising:
Several emission arrays and several receiving arrays；The emission array and the receiving array are using above-mentioned
Aerial array.
In another aspect, the embodiments of the present invention provide a kind of sensing system, comprising:
Printed circuit board, the first conductive layer, first medium layer, the second conductive layer including stacking gradually arrangement；
It is printed on the above-mentioned paster antenna of the printed circuit board；
The series connection electromagnetic wave transmission line, microband paste unit are printed on the first conductive layer of the printed circuit board, string
Connection formula series fed antenna is grounded by second conductive layer.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this
Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 a is a kind of structural schematic diagram of tandem series fed antenna provided by the embodiment of the utility model；
Fig. 1 b is a kind of structural schematic diagram of tandem series fed antenna provided by the embodiment of the utility model；
Fig. 1 c is a kind of structural schematic diagram of tandem series fed antenna provided by the embodiment of the utility model；
Fig. 1 d is a kind of structural schematic diagram of tandem series fed antenna provided by the embodiment of the utility model；
Fig. 2 a is a kind of structural schematic diagram of tandem series fed antenna provided by the embodiment of the utility model；
Fig. 2 b is a kind of structural schematic diagram of tandem series fed antenna provided by the embodiment of the utility model；
Fig. 2 c is a kind of structural schematic diagram of tandem series fed antenna provided by the embodiment of the utility model；
Fig. 3 a is a kind of structural schematic diagram of tandem series fed antenna provided by the embodiment of the utility model；
Fig. 3 b is a kind of structural schematic diagram of tandem series fed antenna provided by the embodiment of the utility model；
Fig. 3 c is a kind of structural schematic diagram of tandem series fed antenna provided by the embodiment of the utility model；
Fig. 3 d is a kind of structural schematic diagram of tandem series fed antenna provided by the embodiment of the utility model；
Fig. 3 e is a kind of structural schematic diagram of tandem series fed antenna provided by the embodiment of the utility model；
Fig. 4 a is a kind of structural schematic diagram of tandem series fed antenna provided by the embodiment of the utility model；
Fig. 4 b is a kind of structural schematic diagram of tandem series fed antenna provided by the embodiment of the utility model；
Fig. 4 c is a kind of structural schematic diagram of tandem series fed antenna provided by the embodiment of the utility model；
Fig. 5 a is a kind of structural schematic diagram of tandem series fed antenna provided by the embodiment of the utility model；
Fig. 5 b is a kind of structural schematic diagram of tandem series fed antenna provided by the embodiment of the utility model；
Fig. 5 c is a kind of structural schematic diagram of tandem series fed antenna provided by the embodiment of the utility model；
Fig. 5 d is a kind of structural schematic diagram of tandem series fed antenna provided by the embodiment of the utility model；
Fig. 5 e is a kind of structural schematic diagram of tandem series fed antenna provided by the embodiment of the utility model；
Fig. 5 f is a kind of structural schematic diagram of tandem series fed antenna provided by the embodiment of the utility model；
Fig. 6 a is a kind of structural schematic diagram of tandem series fed antenna provided by the embodiment of the utility model；
Fig. 6 b is a kind of structural schematic diagram of tandem series fed antenna provided by the embodiment of the utility model；
Fig. 6 c is a kind of structural schematic diagram of tandem series fed antenna provided by the embodiment of the utility model；
Fig. 6 d is a kind of structural schematic diagram of tandem series fed antenna provided by the embodiment of the utility model；
Fig. 6 e is a kind of structural schematic diagram of tandem series fed antenna provided by the embodiment of the utility model；
Fig. 7 a is a kind of structural schematic diagram of paster antenna provided by the embodiment of the utility model；
Fig. 7 b is a kind of structural schematic diagram of paster antenna provided by the embodiment of the utility model；
Fig. 8 a is that a kind of sensing system sensing system printed circuit board first provided by the embodiment of the utility model regards
The structural schematic diagram at angle；
Fig. 8 b is that a kind of sensing system sensing system printed circuit board second provided by the embodiment of the utility model regards
The structural schematic diagram at angle；
Fig. 9 a is a kind of structural schematic diagram of sensing system sensing system provided by the embodiment of the utility model；
Fig. 9 b is the structural schematic diagram of another sensing system sensing system provided by the embodiment of the utility model.
Specific embodiment
The utility model in order to solve the problems existing in the prior art, provides a kind of tandem series fed antenna, aerial array, patch
Chip antenna and sensing system, thus more suitable for practical.
As shown in Figure 1a, in an embodiment provided by the utility model, a kind of tandem series fed antenna includes: series connection electromagnetism
Wave transmission line 10 and M microband paste unit 20, M microband paste unit 20 is along 10 length of series connection electromagnetic wave transmission line
Sequentially compartment of terrain is series at the series connection electromagnetic wave transmission line 10 in direction, and each microband paste unit 20 is respectively facing the series connection
The two sides of electromagnetic transmission line extend, and M is the positive integer more than or equal to 1.
Spacing, each micro-strip patch in technical solution provided by the embodiment of the utility model, between M microband paste unit
The shape and size of blade unit, the width of series connection electromagnetic wave transmission line can be designed as needed, so as to design tandem
The radiation wave mode of series fed antenna.
As shown in Figure 1a, the width w of series connection electromagnetic wave transmission line, series connection electromagnetic wave transmission line access line segment length is d, phase
The distance between two adjacent microband paste units d1, microband paste unit are respectively facing series connection electromagnetic wave transmission line two sides
The width L in the direction of extension, radiation waveform as needed and be designed change.
As shown in Figure 1 b, it is L1, series connection electromagnetic wave transmission line leading-out wire connection that series connection electromagnetic wave transmission line, which picks out line width,
There is impedance matching unit 30, the single tandem series fed antenna of traveling wave can be formed.The impedance matching unit 30 and the series electrical
10 length direction of magnetic wave transmission line is in the same direction；Or, the impedance matching unit is connected with the electromagnetic wave transmission line bending of connecting.It is logical
It crosses and sets different bending angles, it can better flexible access impedance matching unit.
The tandem series fed antenna of different model, microband paste cell configuration can be different, the series feed day of the tandem of every model
Line microband paste cell configuration is identical, and as shown in Figure 1 a, 1 b, it is uniform that microband paste unit 20, which is in the panel shape of rectangle,
(Uniform) type tandem series fed antenna.As illustrated in figure 1 c, the number of microband paste unit is 5,5 microband paste units
Undercut shape can be used in the shape of S1, S2, S3, S4, S5, for uniform (Uniform) type tandem series fed antenna.Such as Fig. 1 d institute
To show, the number of microband paste unit is 5, and square can be used in 5 microband paste cell Ss 1, the shape of S2, S3, S4, S5,
For uniform (Uniform) type tandem series fed antenna.
As shown in Figure 2 a, the 10 end E of series connection electromagnetic wave transmission line can form the single tandem string of standing wave in open circuit
Present antenna.
It can be according to equidistant arranged for interval, either, between M microband paste unit between M microband paste unit
Spacing is arranged according to certain rule, to obtain required radiation waveform.For example, the spacing between M microband paste unit is gradually
Increase, or, the spacing between M microband paste unit is first gradually reduced and is gradually increased again, or, between M microband paste unit
Spacing be first gradually increased and be gradually reduced again etc..
The shape of M microband paste unit can be identical, and outer edge can be by the horizontal edge parallel with series connection electromagnetic wave transmission line
The vertical edge vertical with electromagnetic wave transmission line of connecting is constituted.
In specific implementation, panel-like structure is can be used in the shape of microband paste unit.
Such as Fig. 2 a, or such as Fig. 2 b, or as shown in Figure 2 c, each microband paste unit 20 is respectively facing the series connection electromagnetic wave
The two sides of transmission line 10 extend, and each microband paste unit 20 is in solid panels, specially rectangular solid panel, the series electrical
Magnetic wave transmission line 10 connects the middle part of each microband paste unit；
Such as Fig. 3 a, or such as Fig. 3 b, or such as Fig. 3 c, or such as Fig. 3 d, or as shown in Figure 3 e, each microband paste unit court respectively
Extend to the two sides of the series connection electromagnetic wave transmission line, each microband paste unit 20 is in hollow panel, specially rectangle hollow
Panel, the series connection electromagnetic wave transmission line connect the middle part of each microband paste unit；For micro-strip Frank crop type
(Microstrip Franklin Type) tandem series fed antenna, by several phase stub (Phasing) type element antennas
It rearranges according to certain rules.
In specific implementation, bending linear structure is can be used in the shape of microband paste unit.
Such as Fig. 4 a, or such as Fig. 4 b, or as illustrated in fig. 4 c, when each microband paste unit is respectively facing the series connection electromagnetic wave
The two sides of transmission line extend, and each microband paste unit includes the first line segment of the bending being oppositely arranged and the second line of bending
Section, series connection electromagnetic wave transmission line includes the first side transmission line and second side transmission line being oppositely arranged, first side transmission line
It is bent with the first line segment of the bending of M microband paste unit by the first conducting wire M1, second side transmission line and M are a micro-
The second line segment of bending with chip unit is bent by the second conducting wire M2, the first conducting wire M1 and the second conducting wire M2
Both ends connect to form cavity ring, are meander line chain type (Chain) tandem series fed antenna.
In tandem series fed antenna provided by the above embodiment, each microband paste unit is respectively facing the series electrical
Unlike the two sides of magnetic wave transmission line extend, in some embodiments provided by the utility model, each microband paste unit point
Not towards the ipsilateral extension of the series connection electromagnetic wave transmission line, in specific implementation, panel is can be used in the shape of microband paste unit
Shape structure.
Such as Fig. 5 a, or such as Fig. 5 b, or such as Fig. 5 c, or such as Fig. 5 d, or such as Fig. 5 e, or as shown in figure 5f, when each micro-strip is pasted
Blade unit 20 be respectively facing it is described series connection electromagnetic wave transmission line 10 ipsilateral extension, each 20 cell S 1 of microband paste, S2, S3,
S4, S5 are in solid panels, and the series connection electromagnetic wave transmission line 10 connects the side of each microband paste unit 20.
For comb line type (comb line) tandem series fed antenna, by several cutting back line style element antenna (microband paste lists
Member) composition, each microband paste element length is equal, and such as Fig. 5 a, or such as Fig. 5 b, or as shown in Figure 5 c, microband paste unit is wide
Degree arranges according to certain rules, and such as Fig. 5 d, or such as Fig. 5 e, or as shown in figure 5f, microband paste cell width is equal, and tandem is series feed
Antenna is radiated by each cutting back line style element antenna and receives electromagnetic wave signal, and intensity has with cutting back line style element antenna size spacing
It closes.Such as Fig. 5 b, or such as Fig. 5 c, or such as Fig. 5 e, or as shown in figure 5f, the top of series feed electric wire is impedance matching unit.
In specific implementation, bending linear structure is can be used in the shape of microband paste unit.
Such as Fig. 6 a, or such as Fig. 6 b, or such as Fig. 6 c, or such as Fig. 6 d, or as shown in fig 6e, when each microband paste unit 20 divides
Not towards the ipsilateral extension of the series connection electromagnetic wave transmission line 10, each microband paste unit 20 includes the line segment of bending, series connection
Electromagnetic transmission line 10 and M microband paste unit 20 are bent by a conducting wire.Such as Fig. 6 a, or such as Fig. 6 b, or such as Fig. 6 c institute
Show, to build shape line (Rampart Line) tandem series fed antenna, is made of several base shape line element antennas, the series feed day of tandem
The line segment length and width of beta radiation intensity and bending, it is related to build shape line element antenna spacing, such as Fig. 6 b, or as fig. 6 c,
The top of series fed antenna is impedance matching unit.Such as Fig. 6 d, or as shown in fig 6e, it is Frank crop type (Franklin Type)
Tandem series fed antenna is made of, the line of tandem series fed antenna radiation intensity and bending several Frank crop type element antennas
Segment length and width, Frank crop type element antenna number, spacing are related.As shown in fig 6e, the top of series fed antenna is impedance
Matching unit.
Connect M microband paste unit series connection electromagnetic wave transmission line width can be consistent it is i.e. identical, either, root
According to required radiation waveform, the width for connecting the series connection electromagnetic wave transmission line of M microband paste unit is arranged according to certain rule.
For example, such as Fig. 3 d, or as shown in Figure 3 e, connect the series connection electromagnetic wave transmission line (101,102,103) of M microband paste unit
Width is first gradually increased and is gradually reduced again.The width direction of electromagnetic transmission line is i.e.: microband paste unit is respectively facing the string
Join the direction that electromagnetic transmission line two sides extend.
In specific implement, direction that each microband paste unit extends and the length of the electromagnetic wave transmission line of connecting
It is vertical to spend direction.M is more than or equal to 1 and is less than or equal to 30, can meet the universal market demand.
In other some embodiments, the width L variation for changing microband paste unit can be designed, it is different to meet
The demand of electromagnetic beam radiation shapes.For example, such as Fig. 2 a, or such as Fig. 2 b, or as Fig. 2 c several embodiments in, M be greater than etc.
In 3 positive integer, M microband paste unit is respectively facing the length that the ipsilateral or two sides of the series connection electromagnetic wave transmission line extend
(that is, width of microband paste unit) is sequentially first gradually increased and is gradually reduced again (such as Fig. 2 a, or such as S1 width < S2 in Fig. 2 b
Width < S3 width G T.GT.GT S4 width G T.GT.GT S5 width；Or such as S1 width < S2 width < S3 width G T.GT.GT S4 width in Fig. 2 c)；Still further
Some embodiments in, M is positive integer more than or equal to 3, and M microband paste unit is respectively facing the series connection electromagnetic transmission
The length that the ipsilateral or two sides of line extend sequentially is gradually increased；Or M is the positive integer more than or equal to 3, M microband paste unit
The length for being respectively facing the ipsilateral or two sides extension of the series connection electromagnetic wave transmission line is sequentially gradually reduced；Or M be greater than etc.
In 3 positive integer, M microband paste unit is respectively facing the length that the ipsilateral or two sides of the series connection electromagnetic wave transmission line extend
It is identical.The electromagnetic beam radiation shapes of different embodiments, transmitting are different, and specific electromagnetic beam radiation shapes design can be more
Sample.
It includes: X array antenna array that the embodiments of the present invention, which provide a kind of aerial array, and X is just more than or equal to 2
Integer, wherein each array antenna array includes: the tandem series fed antenna of N number of above-described embodiment, N is just whole more than or equal to 1
Number；When N is more than or equal to 2, N number of tandem series fed antenna is connected by impedance matching transmission line；It is each in X array antenna array
Column can be connected with radar emission end or radar receiving-end impedance matched transmission line.
Specifically, adjacent tandem series fed antenna can be arranged side by side.
The embodiments of the present invention provide a kind of paster antenna, as shown in Figure 7a, comprising: several emission arrays
(T1, T2, T3) and several receiving arrays (R1, R2, R3, R4)；The emission array and the receiving array are using upper
State the aerial array of embodiment.It is easily understood that the number of the tandem series fed antenna in each emission array is as needed
And set, for example, 3 emission arrays T1, T2, T3 may include 1-10 tandem series fed antenna respectively, each emission array
In tandem series fed antenna include several concatenated microband paste units；Likewise, the series connection in each receiving array
The number of formula series fed antenna is set as needed, for example, 4 receiving arrays R1, R2, R3, R4 may include 1-10 respectively
Tandem series fed antenna, the tandem series fed antenna in each receiving array includes several concatenated microband paste units.
Transmitting day in receiving array in element antenna shape included in each tandem series fed antenna and number and same system
Linear array is identical, and in embodiment, emission array, the number of receiving array are only schematical, and the utility model protects model
It encloses not limited to this.As shown in Figure 7b, unlike paster antenna provided by the above embodiment, electromagnetic wave transmission line end of connecting
Portion picks out line segment E open circuit.
Paster antenna can be applied to millimeter wave CW with frequency modulation (FMCW Radar) radar, emission array and receiving array
The aerial array for respectively including above-described embodiment has spacing distance between emission array and receiving array.
Paster antenna can be applied to Millimeter Wave Pulsed (Pulse Radar) radar, in implementation, emission array and described connect
The aerial array of same above-described embodiment can be shared by receiving array.
In implementation, N is less than or equal to 10, X and is less than or equal to 100, can meet the market demand.
The embodiments of the present invention provide a kind of sensing system sensing system, as shown in Figure 8 a, comprising: printing
Circuit board, the first conductive layer c1, first medium layer e1, the second conductive layer c2 including stacking gradually arrangement；It is printed on the print
The paster antenna of above-described embodiment of circuit board processed；The series connection electromagnetic wave transmission line, microband paste unit are printed on the print
First conductive layer c1 of circuit board processed, tandem series fed antenna are grounded by the second conductive layer c2.
Wherein Pa be paster antenna in a copper plane patch tandem series fed antenna include microband paste unit 101,
Series connection electromagnetic wave transmission line 102, each microband paste unit 101 are respectively facing the ipsilateral of the series connection electromagnetic wave transmission line 102
(not shown) or two sides extend.
In some embodiments, the millimeter wave transmitting pumping signal of sensing system sensing system is by radar chip signal
Output end is connected via the impedance matching unit of emission array with the aerial array series transmission lines of aerial array, radar chip
The electromagnetic wave signal emitted is transferred on several microband paste units through impedance matching unit, aerial array series transmission lines,
The electromagenetic wave radiation for eventually needing to transmitting is gone out.And after the electromagnetic wave radiateing encounters detected object, phase will be generated
The reflection electromagnetic wave signal answered, and the microband paste unit in receiving array will receive corresponding reflection electromagnetic wave signal, and
The impedance matching unit for being concatenated electromagnetic transmission line and being attached thereto is respectively connected in several receiving ends of radar chip.
Further, sensing system sensing system further include: several printed circuit-board assemblies, the first conductive layer,
One dielectric layer, the second conductive layer, several printed circuit-board assemblies stack gradually arrangement；Several printed circuit-board assemblies are printed with control
Circuit processed.As shown in Figure 8 b, in some embodiments, several printed circuit-board assemblies may include that second dielectric layer E2, third are led
Electric layer C3, third dielectric layer E3, the 4th conductive layer C4, the first conductive layer C1, first medium layer E1, the second conductive layer C2, second
Dielectric layer E2, third conductive layer C3, third dielectric layer E3, the 4th conductive layer C4 stack gradually arrangement；The control circuit printing
In the third conductive layer C3, the 4th conductive layer C4.It is easily understood that several printed circuit-board assemblies are not limited to
The realization structure stated, the number of plies of specific conductive layer are selected according to concrete model.
Tandem series fed antenna can be applied to as short distance, middle distance, long-range sensor system sensor system, short
Distance, middle distance, long-range sensor system sensor system detection range are respectively about in 30 meters, 150 meters, 300 meters of ranges
Within.
In order to be further reduced radar appearance clutter caused by unnecessary target, guaranteeing sensing system biography
The main lobe of the sent out wave beam of sensor system antenna is above-mentioned meet the requirements on the basis of, secondary lobe should be as small as possible, with reduce radar reflection letter
Number influence of the clutter to system.
In meeting above-mentioned requirements, the typical method of adjustment electromagnetic radiation wave beam sidelobe magnitudes is based on microband paste unit
The amplitude distribution of the electromagnetic wave of transmitting is sized, and the spacing between each microband paste unit should meet certain rule, and
And phase is relatively fixed between microband paste unit, the electromagnetic wave beam main lobe width and intensity of single tandem series fed antenna transmitting
Depending on selected microband paste unit radiation profiles characteristic, the quantity of microband paste unit and the size regularity of distribution.
In the case where being directed to different usable conditions, sensing system sensing system needs to adapt to the sensing of a variety of distances,
In order to meet the demand, in some embodiments provided by the utility model, further includes: first distance transmitting antenna array,
Two range transmission aerial arrays and receiving antenna array, first distance transmitting antenna array by several emission arrays extremely
Few 1 emission array composition, second distance transmitting antenna array is by least one emission array group in several emission arrays
At receiving antenna array is made of several tandem series fed antennas；Wherein, first distance transmitting antenna array, second distance
Transmitting antenna array is made of not exactly the same emission array, shares the reception battle array being made of more tandem series fed antennas
Column in the work of first distance transmitting antenna array, are realized by first distance transmitting antenna array and receiving antenna array to the
The object sensing of one distance；In the work of second distance transmitting antenna array, by second distance transmitting antenna array and day is received
Linear array realizes the object sensing to second distance；First distance and second distance difference.
In tandem series fed antenna, pass through spacing, the microband paste unit wires cun between M microband paste unit of control
With the length of shape, electromagnetic wave transmission line size of connecting, spacing between each tandem series fed antenna improves aerial radiation wave
Type increases radiated wave main lobe gain and side lobe attenuation, can reach raising resolution requirement.
For in the object induction of complex environment, as illustrated in fig. 9, emission array and receiving array be it is multiple, it is multiple
Emission array and multiple receiving arrays are alternately distributed, and pass through alternatively distributed multiple emission arrays and multiple receiving array senses
Survey the accurate sensing, it can be achieved that complex environment.Wherein, the distribution mode of multiple emission arrays and multiple receiving arrays can also adopt
With as shown in figure 9b, in multiple emission arrays and multiple receiving arrays, at least two receiving array is adjacent etc..It is readily comprehensible
It is any version of the distribution mode of multiple emission arrays and multiple receiving arrays, protects model in the utility model
Within enclosing.
Further to illustrate that the utility model is the technical means and efficacy reaching predetermined purpose of utility model and being taken,
Below in conjunction with attached drawing and preferred embodiment, to according to the utility model proposes tandem series fed antenna, aerial array, patch day
Line and sensing system, specific embodiment, structure, feature and its effect, detailed description is as follows.In the following description, no
What a same embodiment or embodiment referred to is not necessarily the same embodiment.In addition, feature, structure in one or more embodiments,
Or feature can be combined by any suitable form.
The terms and/or, only it is a kind of describe affiliated partner incidence relation, indicate there may be three kinds pass
System, it is specific to understand for example, A and/or B are as follows: it can simultaneously include A and B, can be with individualism A, it can also be with individualism
B can have above-mentioned three kinds of any case.
Although the preferred embodiment of the utility model has been described, once a person skilled in the art knows basic
Creative concept, then additional changes and modifications may be made to these embodiments.It is wrapped so the following claims are intended to be interpreted as
It includes preferred embodiment and falls into all change and modification of the scope of the utility model.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (16)
1. a kind of tandem series fed antenna characterized by comprising
Series connection electromagnetic wave transmission line；
M microband paste unit is sequentially series at the series electrical in compartment of terrain along series connection electromagnetic wave length of transmission line direction
Magnetic wave transmission line, the ipsilateral or two sides that each microband paste unit is respectively facing the series connection electromagnetic wave transmission line extend, and M is big
In the positive integer for being equal to 1.
2. tandem series fed antenna according to claim 1, which is characterized in that
The direction that each microband paste unit extends is vertical with the length direction of the electromagnetic wave transmission line of connecting.
3. tandem series fed antenna according to claim 1, which is characterized in that
On the length direction of the series connection electromagnetic wave transmission line, the of same size of electromagnetic wave transmission line of connecting；Or
It is described series connection electromagnetic wave transmission line length direction on, it is described series connection electromagnetic wave transmission line width be gradually increased again by
It is decrescence small.
4. tandem series fed antenna according to claim 1, which is characterized in that
M is positive integer more than or equal to 3, M microband paste unit be respectively facing it is described connect the ipsilateral of electromagnetic wave transmission line or
The length that two sides extend sequentially first is gradually increased to be gradually reduced again；Or
M is positive integer more than or equal to 3, M microband paste unit be respectively facing it is described connect the ipsilateral of electromagnetic wave transmission line or
The length that two sides extend sequentially is gradually increased；Or
M is positive integer more than or equal to 3, M microband paste unit be respectively facing it is described connect the ipsilateral of electromagnetic wave transmission line or
The length that two sides extend sequentially is gradually reduced；Or
M is positive integer more than or equal to 3, M microband paste unit be respectively facing it is described connect the ipsilateral of electromagnetic wave transmission line or
The length that two sides extend is identical.
5. tandem series fed antenna according to claim 1, which is characterized in that
Series connection electromagnetic wave transmission line end picks out line segment open circuit；Or
The series connection electromagnetic wave transmission line leading-out wire is connected with impedance matching unit.
6. tandem series fed antenna according to claim 5, which is characterized in that
The impedance matching unit and the electromagnetic wave length of transmission line direction of connecting are in the same direction；Or
The impedance matching unit is connected with the electromagnetic wave transmission line bending of connecting.
7. any tandem series fed antenna in -6 according to claim 1, which is characterized in that
When each microband paste unit is respectively facing the ipsilateral extension of the series connection electromagnetic wave transmission line,
Each microband paste unit is in solid panels, and the series connection electromagnetic wave transmission line connects the one of each microband paste unit
Side；Or
Each microband paste unit includes the line segment of bending, and series connection electromagnetic wave transmission line and M microband paste unit are by a conducting wire
It bends.
8. any tandem series fed antenna in -6 according to claim 1, which is characterized in that
When the two sides that each microband paste unit is respectively facing the series connection electromagnetic wave transmission line extend,
Each microband paste unit is in solid or hollow panel, and the series connection electromagnetic wave transmission line connects each microband paste unit
Middle part；Or
Each microband paste unit includes the first line segment of the bending being oppositely arranged and the second line segment of bending, and series connection electromagnetic wave passes
Defeated line includes the first side transmission line and second side transmission line being oppositely arranged, first side transmission line and M microband paste list
First line segment of the bending of member is bent by the first conducting wire, the bending of second side transmission line and M microband paste unit
Second line segment bent by the second conducting wire, first conducting wire connects to form cavity ring with second conducting wire both ends.
9. any tandem series fed antenna in -6 according to claim 1, which is characterized in that
M is more than or equal to 1 and is less than or equal to 30.
10. a kind of aerial array characterized by comprising
X array antenna array, X is the positive integer more than or equal to 2, wherein each array antenna array includes:
Any tandem series fed antenna in N number of the claims 1-9, N are the positive integer more than or equal to 1；
When N is more than or equal to 2, N number of tandem series fed antenna is connected by impedance matching transmission line；
Each column in X array antenna array can be connected with radar emission end or radar receiving-end impedance matched transmission line.
11. aerial array according to claim 10, which is characterized in that N is less than or equal to 10, X and is less than or equal to 100.
12. a kind of paster antenna characterized by comprising
Several emission arrays and several receiving arrays；The emission array and the receiving array use aforesaid right
It is required that aerial array described in 10 or 11.
13. a kind of sensing system characterized by comprising
Printed circuit board, the first conductive layer, first medium layer, the second conductive layer including stacking gradually arrangement；
It is printed on paster antenna described in the claims 12 of the printed circuit board；
The series connection electromagnetic wave transmission line, microband paste unit are printed on the first conductive layer of the printed circuit board, tandem
Series fed antenna is grounded by second conductive layer.
14. sensing system according to claim 13, which is characterized in that further include:
Several printed circuit-board assemblies, the first conductive layer, first medium layer, the second conductive layer, several printed circuit-board assemblies according to
Secondary arranged stacked；
Several printed circuit-board assemblies are printed with control circuit.
15. sensing system according to claim 13, which is characterized in that further include:
First distance transmitting antenna array, second distance transmitting antenna array and receiving antenna array, first distance emit day
Linear array is made of at least one emission array in several emission arrays, and second distance transmitting antenna array is by several hairs
At least one emission array composition in array is penetrated, receiving antenna array is made of several tandem series fed antennas；Wherein,
One range transmission aerial array, second distance transmitting antenna array are made of not exactly the same emission array.
16. sensing system according to claim 13, which is characterized in that
Emission array and receiving array be it is multiple, multiple emission arrays and multiple receiving arrays are alternately distributed.
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| CN201820513853.9U CN208401045U (en) | 2018-04-11 | 2018-04-11 | Tandem series fed antenna, aerial array, paster antenna and sensing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820513853.9U CN208401045U (en) | 2018-04-11 | 2018-04-11 | Tandem series fed antenna, aerial array, paster antenna and sensing system |
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| CN208401045U true CN208401045U (en) | 2019-01-18 |
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| CN110098468A (en) * | 2019-04-09 | 2019-08-06 | 惠州市德赛西威智能交通技术研究院有限公司 | Three hair four of one kind receives broad beam antenna |
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| CN110098468A (en) * | 2019-04-09 | 2019-08-06 | 惠州市德赛西威智能交通技术研究院有限公司 | Three hair four of one kind receives broad beam antenna |
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| CN111916891A (en) * | 2019-05-09 | 2020-11-10 | 和硕联合科技股份有限公司 | Antenna structure |
| CN114080727A (en) * | 2019-07-11 | 2022-02-22 | 株式会社电装 | Broadband planar array antenna |
| CN110635235A (en) * | 2019-09-30 | 2019-12-31 | 南京微通电子技术有限公司 | Millimeter wave MIMO radar antenna and control method thereof |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Series fed antenna, antenna array, patch antenna and sensor system Effective date of registration: 20221208 Granted publication date: 20190118 Pledgee: Lin Yan Pledgor: QINGDAO RUOYU TECHNOLOGY CO.,LTD. Registration number: Y2022980026093 |