CN208433522U - Fan-shaped broad beam dual-mode antenna - Google Patents
Fan-shaped broad beam dual-mode antenna Download PDFInfo
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- CN208433522U CN208433522U CN201820784321.9U CN201820784321U CN208433522U CN 208433522 U CN208433522 U CN 208433522U CN 201820784321 U CN201820784321 U CN 201820784321U CN 208433522 U CN208433522 U CN 208433522U
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Abstract
The utility model discloses a kind of fan-shaped broad beam dual-mode antenna, including transmitting antenna and receiving antenna.The transmitting antenna includes transmitting reflecting layer and the transmitting radiating layer of relative spacing setting；Transmitting reflecting layer guides metal patch array by transmitting reflecting medium substrate, transmitting and transmitting reflective metals tape is constituted；Transmitting radiating layer is made of transmitting metal floor, transmitting radiation medium substrate and transmitting radiating element.The receiving antenna includes reception reflecting layer and the reception radiating layer of relative spacing setting；Reflecting layer is received to be made of reception reflecting medium substrate and reception reflective metals tape；Radiating layer is received to be made of reception metal floor, reception radiation medium substrate and reception radiating element.The utility model transmitting antenna and receiving antenna structure are simple, easy to process, realize transmitting antenna and receiving antenna in horizontal plane sector broad beam, and pitching face realizes that narrow beam, gain and beam angle are all satisfied the demand of vehicle-mounted angle radar, is suitable for vehicle-mounted angle radar.
Description
Technical field
The utility model relates to antenna technical fields, and in particular to a kind of sector broad beam dual-mode antenna.
Background technique
Automatic Pilot technology is emerging technology, and the trend of automotive safety technology development from now on.Vehicle-mounted millimeter wave thunder
Up to the critical component for being autonomous driving vehicle.It is preceding mostly to radar that the vehicle-mounted millimeter wave radar in market, which has been put into, for examining
Before surveying in away from and remote target, and video and infrared radar can only detect short distance or short distance target, and detection range is short, and
Vulnerable to adverse weather conditions such as sleet, it is unable to all weather operations.For blind area detection and lane change auxiliary, need using millimeter wave thunder
It up to realization high-precision, while requiring antenna sufficiently wide, realizes the wave cover to wide scope blind area.The prior art is retrieved and is sent out
Existing, the broad beam antenna for trailer-mounted radar still has several drawbacks, such as the practical patent of Publication No. CN206758645U
It discloses a kind of " broad beam antenna structure ", which has used multiple parasitic element realizations to widen wave beam, although antenna gain
It is sufficiently large, but beam angle is not met by the demand of vehicle-mounted angle radar, can not offset antenna maximum gain be directed toward, and tie
Structure is complicated.
Utility model content
The utility model is not wide enough for existing antenna beamwidth, is not able to satisfy vehicle-mounted angle radar broad beam and gain is wanted
The problem of asking provides a kind of fan-shaped broad beam dual-mode antenna.
To solve the above problems, the utility model is achieved through the following technical solutions:
Fan-shaped broad beam dual-mode antenna, including transmitting antenna and receiving antenna.
The transmitting antenna includes transmitting reflecting layer and the transmitting radiating layer of relative spacing setting；
Transmitting reflecting layer guides metal patch array and transmitting reflective metals tape institute by transmitting reflecting medium substrate, transmitting
It constitutes；Metal patch array and transmitting reflective metals tape are guided in transmitting into while setting is emitting reflecting medium substrate towards transmitting
On one side surface of radiating layer, and metal patch array is guided in transmitting into and transmitting reflective metals tape is located at transmitting reflection and is situated between
The two sides of the longitudinal midline of matter substrate；Transmitting guides the transmitting that metal patch array includes multiple rectangles into and guides metal patch into, this
A little transmittings guide metal patch into along the longitudinal direction equidistantly distributed of transmitting reflecting medium substrate, and metal patch is guided in all transmittings into
The longitudinal midline of piece is overlapped；Transmitting reflective metals tape is rectangular strip, and along the two of transmitting reflecting medium substrate longitudinal direction
End extends to the edge of reflecting medium substrate；
Transmitting radiating layer is made of transmitting metal floor, transmitting radiation medium substrate and transmitting radiating element；Transmitting gold
On the side surface of size and transmitting radiation medium substrate far from transmitting reflecting layer of possession plate；Transmitting radiating element setting is being sent out
It penetrates on a side surface in radiation medium substrate direction transmitting reflecting layer, and is located at its for emitting the longitudinal midline of radiation medium substrate
Middle side；Emitting radiating element includes transmitting microstrip feed line, transmitting radiation metal patch array and transmitting micro-strip matching section；Transmitting
Radiation metal patch array includes the transmitting radiation metal patch of multiple rectangles, these transmitting radiation metal patches are along transmitting radiation
The longitudinal direction equidistantly distributed of medium substrate, and the longitudinal midline of all transmitting radiation metal patches is overlapped；Emit micro-strip
Longitudinal midline with section is overlapped with the longitudinal midline of transmitting radiation metal patch array, and emits micro-strip matching section longitudinal direction
Wherein one end extends to the edge of transmitting radiation medium substrate；The transmitting microstrip feed line of strip pastes all transmitting radiation metals
Piece and transmitting micro-strip matching section are cascaded；
The receiving antenna includes reception reflecting layer and the reception radiating layer of relative spacing setting；
Reflecting layer is received to be made of reception reflecting medium substrate and reception reflective metals tape；Receive reflective metals tape
It is arranged on the side surface for receiving reflecting medium substrate direction reception radiating layer, and receives the longitudinal midline of reflective metals tape
It is overlapped with the longitudinal midline for receiving reflecting medium substrate；Reception reflective metals tape is rectangular strip, and along reception reflecting medium
The longitudinal direction of substrate extends to the edge for receiving reflecting medium substrate；
Radiating layer is received to be made of reception metal floor, reception radiation medium substrate and reception radiating element；Receive gold
The size of possession plate is identical as radiation medium substrate is received, and is overlying on and receives radiation medium substrate far from the side for receiving reflecting layer
On surface；It receives radiating element to be arranged in towards on the side surface for receiving reflecting layer, and receives the longitudinal midline of radiating element
It is overlapped with the longitudinal midline for receiving radiation medium substrate；Receiving radiating element includes receiving microstrip feed line, receiving radiation metal patch
Chip arrays and reception micro-strip matching section；Receiving radiation metal patch array includes multiple reception radiation metal patches, these receptions
Radiation metal patch is along the longitudinal direction equidistantly distributed for receiving radiation medium substrate, and all reception radiation metal patches is vertical
It is overlapped to the midline；The longitudinal midline for receiving micro-strip matching section is overlapped with the longitudinal midline for receiving radiation metal patch array, and is connect
The wherein one end for receiving micro-strip matching section longitudinal direction extends to the edge for receiving radiation medium substrate；The reception micro-strip of strip is presented
All reception radiation metal patches and reception micro-strip matching section are cascaded by line.
In above scheme, the longitudinal length that metal patch is guided in all transmittings into is identical；The vertical of metal patch is guided into transmitting
To on arragement direction, the transverse width for guiding metal patch into positioned at most intermediate transmitting is maximum, and guides metal into toward two edge emittings
The transverse width of patch is gradually reduced.
In above scheme, the longitudinal length of all transmitting radiation metal patches is identical；In the vertical of transmitting radiation metal patch
To on arragement direction, the transverse width positioned at most intermediate transmitting radiation metal patch is maximum, and past two edge emitting radiation metals
Patch transverse width is gradually reduced.
In above scheme, the quantity and transmitting spoke that metal patch is guided in the transmitting that metal patch array is included into are guided in transmitting into
The quantity for the transmitting radiation metal patch that radioglold category patch array is included is identical, and present position is one on upright projection direction
One is corresponding；The size that wherein metal patch is guided in transmitting into is less than transmitting radiation metal patch corresponding to its upright projection direction
Size.
In above scheme, emit the transverse width of reflective metals tape between the laterally wide of emission maximum radiation metal patch
Between degree and the transverse width of the second largest transmitting radiation metal patch.
In above scheme, all longitudinal lengths for receiving radiation metal patch are identical；Receiving the vertical of radiation metal patch
To on arragement direction, the transverse width positioned at most intermediate reception radiation metal patch is maximum, and receives radiation metal toward both sides
Patch transverse width is gradually reduced.
In above scheme, transmitting micro-strip matching section and the longitudinal length for receiving micro-strip matching section are λε/ 4, wherein λεTo be situated between
Matter wavelength.
In above scheme, transmitting reflective metals tape deviates direction and the transmitting of the longitudinal midline of transmitting reflecting medium substrate
The direction that radiating element deviates the longitudinal midline of transmitting radiation medium substrate is the same side.
In above scheme, the size for emitting reflecting medium substrate is identical as the transmitting size of radiation medium substrate, receives anti-
The size for penetrating medium substrate is identical with the size of radiation medium substrate is received.
In above scheme, transmitting reflecting medium substrate and the longitudinal length for emitting radiation medium substrate are equal to reception reflection and are situated between
Matter substrate and the longitudinal length for receiving radiation medium substrate, transmitting reflecting medium substrate are laterally wide with transmitting radiation medium substrate
Degree is greater than the transverse width for receiving reflecting medium substrate and receiving radiation medium substrate.
Compared with prior art, the utility model realizes transmitting antenna and receiving antenna in horizontal plane sector broad beam,
Narrow beam is realized in pitching face, and in transmitting antenna reflecting layer, metal patch face is guided in load into, deviates transmitted antednna beam.Transmitting
Antenna pitching face 3dB beam angle is 9.7 °, and horizontal plane gain is that the beam angle of 10dB or more reaches 156 °, and maximum gain is inclined
It is 13.5dB to 60 °；9.9 ° of receiving antenna pitching face 3dB beam angle, horizontal plane maximum gain 13.9dB, 3dB beam angle
It is 152.1 °.Transmitting antenna and receiving antenna structure are simple, easy to process, and gain and beam angle are all satisfied vehicle-mounted angle radar
Demand is suitable for vehicle-mounted angle radar.
Detailed description of the invention
Fig. 1 is the structure expanded schematic diagram of fan-shaped broad beam transmitting antenna.
Fig. 2 is the structural schematic diagram in transmitting antenna reflecting layer.
Fig. 3 is transmitting antenna radiation layer structure diagram.
Fig. 4 is the structure expanded schematic diagram of fan-shaped broad beam receiving antenna.
Fig. 5 is receiving antenna reflection layer structure schematic diagram.
Fig. 6 is receiving antenna radiation layer structure diagram.
Fig. 7 is transmitting antenna S11Curve graph.
Fig. 8 is transmitting antenna horizontal plane (face H) antenna pattern at centre frequency.
Fig. 9 is transmitting antenna pitching face (face E) antenna pattern at centre frequency.
Figure 10 is receiving antenna S11Curve graph.
Figure 11 is receiving antenna horizontal plane (face H) antenna pattern at centre frequency.
Figure 12 is receiving antenna pitching face (face E) antenna pattern at centre frequency.
Figure label:
1, emit reflecting layer；1-1, transmitting reflecting medium substrate；Metal patch is guided in 1-2 transmitting into；1-3, transmitting reflection gold
Belong to tape；
2, emit radiating layer；2-1, transmitting metal floor；2-2, transmitting radiation medium substrate；2-3, transmitting microstrip feed line；
2-4, transmitting radiation patch；2-5, transmitting micro-strip matching section；
3, reflecting layer is received；3-1, reflecting medium substrate is received；3-2, reflective metals tape is received；
4, radiating layer is received；4-1, metal floor is received；4-2, radiation medium substrate is received；4-3, microstrip feed line is received；
4-4, radiation patch is received；4-5, micro-strip matching section is received.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with specific embodiment, and
Referring to attached drawing, the utility model is further described.It should be noted that the direction term mentioned in embodiment, such as
"upper", "lower", " in ", " left side " " right side ", "front", "rear" etc., be only the direction with reference to attached drawing.Therefore, the direction used is only to use
To illustrate not to be used to limit the protection scope of the utility model.
A kind of sector broad beam dual-mode antenna, including transmitting antenna and receiving antenna.
Above-mentioned transmitting antenna is as shown in Figure 1, antenna includes transmitting reflecting layer 1 and the transmitting radiating layer 2 of relative spacing setting.
Emit reflecting layer 1 and transmitting 2 longitudinal center of radiating layer on same vertical line.Emit between reflecting layer 1 and transmitting radiating layer 2
Gap size is affected to the beam angle of transmitting antenna, by optimizing, the transmitting reflecting layer 1 of transmitting antenna in the present embodiment
3.3mm is divided between transmitting radiating layer 2.
Referring to fig. 2, transmitting reflecting layer 1 guides metal patch array by transmitting reflecting medium substrate 1-1, transmitting and transmitting is anti-
Metal strap 1-3 is penetrated to be constituted.Metal patch array and transmitting reflective metals tape 1-3 are guided in transmitting into while setting is anti-in transmitting
Medium substrate 1-1 is penetrated towards a side surface lower surface Shang Ji of transmitting radiating layer 2, and metal patch array and transmitting are guided in transmitting into
Reflective metals tape 1-3 is located at the two sides of the longitudinal midline of transmitting reflecting medium substrate 1-1.In the present embodiment, emit
Reflective metals tape 1-3 is located at the left side of the longitudinal midline of transmitting reflecting medium substrate 1-1, and metal patch array position is guided in transmitting into
In the right side of the longitudinal midline of transmitting radiation medium substrate 2-2, transmitting antenna greatest irradiation direction is made to be displaced to 60 °.In this reality
It applies in example, the longitudinal midline and transmitting reflecting medium substrate for emitting metallic reflection tape 1-3 indulge 1-1 longitudinal midline distance
1.55mm, the longitudinal midline that metal patch array is guided in transmitting into are at a distance from transmitting reflecting medium substrate 1-1 longitudinal midline
1.7mm.Transmitting guides the transmitting that metal patch array includes multiple rectangles into and guides metal patch 1-2 into, and metal is guided in these transmittings into
Patch 1-2 is along the longitudinal direction equidistantly distributed for emitting reflecting medium substrate 1-1, and all transmittings guide metal patch 1-2's into
Longitudinal midline is overlapped.In the present embodiment, it is 10 that the quantity of metal patch 1-2 is guided in transmitting, which into, and every two guides metal patch into
The spacing of transversal centerline is 2.25mm.The longitudinal length that metal patch 1-2 is guided in all transmittings into is identical.Metal patch is guided into transmitting
On the longitudinal arrangement direction of piece 1-2, the transverse width for guiding metal patch 1-2 into positioned at most intermediate transmitting is maximum, and past both sides
The transverse width that metal patch 1-2 is guided in transmitting into is gradually reduced.In the present embodiment, 10 transmittings guide metal patch 1-2's into
Longitudinal length is unified for 0.69mm, transverse width be respectively 0.1mm, 0.3mm, 0.55mm, 0.7mm, 0.9mm, 0.9mm,
0.7mm,0.55mm,0.3mm,0.1mm.Transmitting reflective metals tape 1-3 is rectangular strip, and along transmitting reflecting medium substrate 1-
1 longitudinal direction extends to the edge of reflecting medium substrate 1-1.Emit reflective metals tape 1-3 transverse width between
Between the transverse width of emission maximum radiation metal patch 2-4 and the transverse width of the second largest transmitting radiation metal patch 2-4, i.e.,
The transverse width for emitting reflective metals tape 1-3 in this example emits the transverse width of radiation metal patch 2-4 between the 4th
Between the transverse width for emitting radiation metal patch 2-4 with the 5th.In the present embodiment, emit metallic reflection tape 1-3 width
For 1.06mm.Since the transverse width of transmitting metallic reflection tape 1-3 is more laterally wide than most of transmitting radiation metal patch 2-4
Degree is slightly wide, plays the role of reflex, can play and widen horizontal plane (face H) wave beam.
Referring to Fig. 3, it is single by transmitting metal floor 2-1, transmitting radiation medium substrate 2-2 and transmitting radiation to emit radiating layer 2
Member is constituted.The size for emitting metal floor 2-1 is identical as transmitting radiation medium substrate 2-2, and is overlying on transmitting radiation medium base
A side surface Shang Ji lower surface of the plate 2-2 far from transmitting reflecting layer 1.Emit radiating element setting in transmitting radiation medium substrate 2-
2 are located at transmitting radiation medium substrate 2-2's towards the side surface upper surface Shang Ji for emitting reflecting layer 1, transmitting radiating element
The wherein side of longitudinal midline.In the present embodiment, transmitting radiating element is located at the longitudinal midline of transmitting radiation medium substrate 2-2
Left side.Emitting radiating element includes transmitting microstrip feed line 2-3, transmitting radiation metal patch array and transmitting micro-strip matching section 2-
5.Transmitting radiation metal patch array includes the transmitting radiation metal patch 2-4 of multiple rectangles, these transmitting radiation metal patches
The longitudinal direction equidistantly distributed of the edge 2-4 transmitting radiation medium substrate 2-2, and the longitudinal direction of all transmitting radiation metal patch 2-4
Middle line is overlapped.The quantity and transmitting radiation metal that metal patch 1-2 is guided in the transmitting that metal patch array is included into are guided in transmitting into
The quantity for the transmitting radiation metal patch 2-4 that patch array is included is identical, and present position on upright projection direction one by one
Corresponding i.e. transmitting is guided metal patch 1-2 cross central line correspondence of upright projection on transmitting radiating surface into and is radiated with each transmitting
The cross central line of metal patch 2-4 is overlapped.What wherein metal patch 1-2 was guided in transmitting into is dimensioned slightly smaller than its upright projection direction
The size of corresponding transmitting radiation metal patch 2-4.The longitudinal length of all transmitting radiation metal patch 2-4 is identical.At this
In embodiment, the quantity of transmitting radiation metal patch 2-4 is 10.In the longitudinal arrangement direction of transmitting radiation metal patch 2-4
On, the transverse width positioned at most intermediate transmitting radiation metal patch 2-4 is maximum, and past two edge emitting radiation metal patch 2-4
Transverse width is gradually reduced.The longitudinal midline of 10 transmitting radiation metal patch 2-4 is overlapped, and longitudinal length is identical, and control is each
Radiation metal patch 2-4 transverse width, so that the input impedance of each array element is different, to control the electric current width of each array element
Degree makes entire linear array obey Chebyshev's current distribution, realizes in receiving antenna and transmitting antenna in pitching face (face E) narrow wave
Beam.The longitudinal midline for emitting micro-strip matching section 2-5 is overlapped with the longitudinal midline of transmitting radiation metal patch array, and emits micro-strip
Matching section 2-5 is located at the edge of transmitting radiation medium substrate 2-2.The longitudinal length for emitting micro-strip matching section 2-5 is λε/ 4,
Middle λεFor medium wavelength, linear array will be radiated and be impedance-matched to 50 ohm.In the present embodiment, transmitting micro-strip matching section 2-5 is longitudinal
Length is 0.6mm, transverse width 0.7mm.The transmitting microstrip feed line 2-3 of strip is by all transmitting radiation metal patch 2-4
It is cascaded with transmitting micro-strip matching section 2-5.In the present embodiment, transmitting microstrip feed line 2-3 width is 0.23mm.
Above-mentioned receiving antenna is as shown in figure 4, include reception reflecting layer 3 and the reception radiating layer 4 of relative spacing setting.It receives
Reflecting layer 3 and reception 4 center of radiating layer are on same vertical line.It receives reflecting layer 3 and receives the gap size between radiating layer 4
It is affected to the beam angle of receiving antenna, by optimization, reflecting layer 3 is received in the present embodiment and is received between radiating layer 4
Between be divided into 2.6mm.
Referring to Fig. 5, receives reflecting layer 3 and be made of reception reflecting medium substrate 3-1 and reception reflective metals tape 3-2.
It receives reflective metals tape 3-2 and i.e. following table is set on the side surface for receiving reflecting medium substrate 3-1 direction reception radiating layer 4
Face, and the longitudinal midline for receiving reflective metals tape 3-2 is overlapped with the longitudinal midline for receiving reflecting medium substrate 3-1.It receives anti-
Penetrating metal strap 3-2 is rectangular strip, and extends to reception reflection along the longitudinal direction for receiving reflecting medium substrate 3-1 and be situated between
The edge of matter substrate 3-1.
Referring to Fig. 6, radiating layer 4 is received by reception metal floor 4-1, reception radiation medium substrate 4-2 and receives radiation list
Member is constituted.The size for receiving metal floor 4-1 is identical as radiation medium substrate 4-2 is received, and is overlying on and receives radiation medium base
Plate 4-2 is far from the side surface lower surface Shang Ji for receiving reflecting layer 3.Radiating element is received to be arranged in towards reception reflecting layer 3
The one side surface upper surface Shang Ji, and the longitudinal midline for receiving radiating element is located at the longitudinal midline for receiving radiation medium substrate 4-2
It is overlapped.Receiving radiating element includes receiving microstrip feed line 4-3, receive radiation metal patch array and receiving micro-strip matching section 4-5.
Receiving radiation metal patch array includes multiple reception radiation metal patch 4-4, these receive radiation metal patch 4-4 along reception
The longitudinal direction equidistantly distributed of radiation medium substrate 4-2, and all longitudinal midlines for receiving radiation metal patch 4-4 are overlapped.
In the present embodiment, the quantity for receiving radiation metal patch 4-4 is 10.All longitudinal directions for receiving radiation metal patch 4-4 are long
It spends identical.On the longitudinal arrangement direction for receiving radiation metal patch 4-4, positioned at most intermediate reception radiation metal patch 4-4
Transverse width it is maximum, and receive radiation metal patch 4-4 transverse width toward both sides and be gradually reduced.Receive micro-strip matching section 4-5
Longitudinal midline with receive radiation metal patch array longitudinal midline is overlapped, and receive micro-strip matching section 4-5 be located at reception spoke
Penetrate the edge of medium substrate 4-2.The longitudinal length for receiving micro-strip matching section 4-5 is λε/ 4, wherein λεFor medium wavelength.Strip
All reception radiation metal patch 4-4 and reception micro-strip matching section 4-5 are cascaded by the reception microstrip feed line 4-3 of shape.It connects
It is identical with the size and principle for emitting radiating element to receive radiating element.
The size for emitting reflecting medium substrate 1-1 is identical as the transmitting size of radiation medium substrate 2-2, receives reflecting medium
The size of substrate 3-1 is identical with the size of radiation medium substrate 4-2 is received.Emit reflecting medium substrate 1-1 and transmitting radiation is situated between
The longitudinal length of matter substrate 2-2 is equal to the longitudinal length for receiving reflecting medium substrate and receiving radiation medium substrate 4-2, and transmitting is anti-
It penetrates medium substrate 1-1 and emits the transverse width of radiation medium substrate 2-2 greater than reception reflecting medium substrate and receive radiation Jie
The transverse width of matter substrate 4-2.Emit reflecting medium substrate 1-1, transmitting radiation medium substrate 2-2 in the present embodiment and receives anti-
Penetrating medium substrate 3-1 and receiving material used by radiation medium substrate 4-2 is Rogers RO3003, dielectric constant 3.0,
Loss angle tangent 0.0010, with a thickness of 0.254mm.
Fig. 7-9 is the S parameter curve of the utility model embodiment transmitting antenna, antenna pattern (face H and the face E) respectively.
Transmitting antenna centre frequency is 77GHz, bandwidth of operation 1.2GHz (76.4GHz-77.6GHz), in horizontal plane (face H) maximum gain
60 ° are biased to, reaches 14.02dB, 10dB or more gain beam angle reaches 155 °, pitching face (face E) 3dB beam angle (half function
Rate beam angle) it is 9.7 °.Figure 10-12 is S parameter curve, the antenna pattern of the utility model embodiment receiving antenna respectively
(face H and the face E).Receiving antenna centre frequency is 77GHz, bandwidth of operation 1.2GHz (76.4GHz-77.6GHz), maximum gain
13.9dB, horizontal plane (face H) 3dB beam angle (half-power beam width) are 152 °, pitching face (face E) 3dB beam angle (half
Powerbeam width) it is 9.9 °.It can be seen that the utility model dual-mode antenna structure is simple, pitching face (face E) wave beam is narrow, water
Plane (face H) wave beam is wide, and beam shape is fan-shaped broad beam, is applicable to automobile mounted angle radar.
It should be noted that although the above embodiment described in the utility model be it is illustrative, this is not to this
The limitation of utility model, therefore the utility model is not limited in above-mentioned specific embodiment.The utility model is not being departed from
In the case where principle, the other embodiment that all those skilled in the art obtain under the enlightenment of the utility model is accordingly to be regarded as
Within the protection of the utility model.
Claims (10)
1. fan-shaped broad beam dual-mode antenna, including transmitting antenna and receiving antenna, characterized in that
The transmitting antenna includes transmitting reflecting layer (1) and transmitting radiating layer (2) of relative spacing setting；
Transmitting reflecting layer (1) guides metal patch array and transmitting reflective metals band by transmitting reflecting medium substrate (1-1), transmitting
Item (1-3) is constituted；Metal patch array and transmitting reflective metals tape (1-3) are guided in transmitting into while setting is situated between in transmitting reflection
On one side surface of matter substrate (1-1) direction transmitting radiating layer (2), and metal patch array and transmitting reflective metals are guided in transmitting into
Tape (1-3) is located at the two sides of the longitudinal midline of transmitting reflecting medium substrate (1-1)；Metal patch array packet is guided in transmitting into
Metal patch (1-2) is guided in the transmitting for including multiple rectangles into, these transmittings guide metal patch (1-2) into along transmitting reflecting medium substrate
The longitudinal direction equidistantly distributed of (1-1), and the longitudinal midline coincidence of metal patch (1-2) is guided in all transmittings into；Transmitting reflection
Metal strap (1-3) is rectangular strip, and extends to reflection along the both ends of transmitting reflecting medium substrate (1-1) longitudinal direction
The edge of medium substrate (1-1)；
Emit radiating layer (2) by transmitting metal floor (2-1), transmitting radiation medium substrate (2-2) and transmitting radiating element institute structure
At；The size for emitting metal floor (2-1) is identical as transmitting radiation medium substrate (2-2), and is overlying on transmitting radiation medium substrate
On the side surface of (2-2) far from transmitting reflecting layer (1)；Emit radiating element setting in transmitting radiation medium substrate (2-2) court
To on a side surface of transmitting reflecting layer (1), and it is located at the wherein side of the longitudinal midline of transmitting radiation medium substrate (2-2)；
Emitting radiating element includes transmitting microstrip feed line (2-3), transmitting radiation metal patch array and transmitting micro-strip matching section (2-5)；
Transmitting radiation metal patch array includes the transmitting radiation metal patch (2-4) of multiple rectangles, these transmitting radiation metal patches
The longitudinal direction equidistantly distributed of (2-4) edge transmitting radiation medium substrate (2-2), and all transmitting radiation metal patches (2-4)
Longitudinal midline be overlapped；Emit the longitudinal midline of micro-strip matching section (2-5) and the longitudinal midline of transmitting radiation metal patch array
The wherein one end for being overlapped, and emitting micro-strip matching section (2-5) longitudinal direction extends to the side of transmitting radiation medium substrate (2-2)
Edge；The transmitting microstrip feed line (2-3) of strip is by all transmitting radiation metal patches (2-4) and emits micro-strip matching section (2-5)
It is cascaded；
The receiving antenna includes the reception reflecting layer (3) of relative spacing setting and receives radiating layer (4)；
Reflecting layer (3) are received to be made of reception reflecting medium substrate (3-1) and reception reflective metals tape (3-2)；It receives anti-
Metal strap (3-2) setting is penetrated on receiving the side surface that reflecting medium substrate (3-1) direction receives radiating layer (4), and is connect
The longitudinal midline for receiving reflective metals tape (3-2) is overlapped with the longitudinal midline for receiving reflecting medium substrate (3-1)；Receive reflection gold
Belonging to tape (3-2) is rectangular strip, and extends to reception reflection along the longitudinal direction for receiving reflecting medium substrate (3-1) and be situated between
The edge of matter substrate (3-1)；
Radiating layer (4) are received by reception metal floor (4-1), reception radiation medium substrate (4-2) and receive radiating element institute structure
At；The size for receiving metal floor (4-1) is identical as radiation medium substrate (4-2) is received, and is overlying on and receives radiation medium substrate
(4-2) is far from the side surface for receiving reflecting layer (3)；Radiating element setting is received in the side towards reception reflecting layer (3)
On surface, and the longitudinal midline for receiving radiating element is overlapped with the longitudinal midline for receiving radiation medium substrate (4-2)；Receive radiation
Unit includes receiving microstrip feed line (4-3), receiving radiation metal patch array and receive micro-strip matching section (4-5)；Receive radiation
Metal patch array includes multiple reception radiation metal patches (4-4), these receive radiation metal patch (4-4) along reception radiation
The longitudinal direction equidistantly distributed of medium substrate (4-2), and all longitudinal midlines for receiving radiation metal patch (4-4) are overlapped；
The longitudinal midline for receiving micro-strip matching section (4-5) is overlapped with the longitudinal midline for receiving radiation metal patch array, and receives micro-strip
Wherein one end of matching section (4-5) longitudinal direction extends to the edge for receiving radiation medium substrate (4-2)；The reception of strip is micro-
All reception radiation metal patches (4-4) and reception micro-strip matching section (4-5) are cascaded by ribbon feeder (4-3).
2. sector broad beam dual-mode antenna according to claim 1, characterized in that metal patch (1- is guided in all transmittings into
2) longitudinal length is identical；On the longitudinal arrangement direction that metal patch (1-2) is guided in transmitting into, guided into positioned at most intermediate transmitting
The transverse width of metal patch (1-2) is maximum, and is gradually reduced toward the transverse width that two edge emittings guide metal patch (1-2) into.
3. sector broad beam dual-mode antenna according to claim 1, characterized in that all transmitting radiation metal patch (2-
4) longitudinal length is identical；On the longitudinal arrangement direction of transmitting radiation metal patch (2-4), radiated positioned at most intermediate transmitting
The transverse width of metal patch (2-4) is maximum, and is gradually reduced toward two edge emitting radiation metal patch (2-4) transverse widths.
4. sector broad beam dual-mode antenna according to claim 1, characterized in that all reception radiation metal patch (4-
4) longitudinal length is identical；On the longitudinal arrangement direction for receiving radiation metal patch (4-4), radiated positioned at most intermediate reception
The transverse width of metal patch (4-4) is maximum, and receives radiation metal patch (4-4) transverse width toward both sides and be gradually reduced.
5. sector broad beam dual-mode antenna according to claim 1, characterized in that emit micro-strip matching section (2-5) and connect
The longitudinal length for receiving micro-strip matching section (4-5) is λε/ 4, wherein λεFor medium wavelength.
6. sector broad beam dual-mode antenna according to claim 1, characterized in that transmitting reflective metals tape (1-3) is inclined
The direction of longitudinal midline from transmitting reflecting medium substrate (1-1) and transmitting radiating element deviate transmitting radiation medium substrate (2-
2) direction of longitudinal midline is the same side.
7. sector broad beam dual-mode antenna according to claim 1, characterized in that transmitting reflecting medium substrate (1-1)
Size is identical as the transmitting size of radiation medium substrate (2-2), and the size and reception radiation for receiving reflecting medium substrate (3-1) are situated between
The size of matter substrate (4-2) is identical.
8. sector broad beam dual-mode antenna according to claim 7, characterized in that transmitting reflecting medium substrate (1-1) and
The longitudinal length for emitting radiation medium substrate (2-2), which is equal to, to be received reflecting medium substrate and receives radiation medium substrate (4-2)
Longitudinal length, the transverse width for emitting reflecting medium substrate (1-1) and transmitting radiation medium substrate (2-2) are situated between greater than reflection is received
Matter substrate and the transverse width for receiving radiation medium substrate (4-2).
9. sector broad beam dual-mode antenna according to claim 1, characterized in that transmitting is guided metal patch array into and wrapped
The transmitting radiation metal patch that the quantity of metal patch (1-2) is guided in the transmitting contained into and transmitting radiation metal patch array is included
The quantity of (2-4) is identical, and present position corresponds on upright projection direction；Wherein metal patch (1-2) is guided in transmitting into
Size be less than its upright projection direction corresponding to transmitting radiation metal patch (2-4) size.
10. sector broad beam dual-mode antenna according to claim 1, characterized in that transmitting reflective metals tape (1-3)
Transverse width and second largest transmitting radiation metal patch (1-2) of the transverse width between emission maximum radiation metal patch (1-2)
Transverse width between.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820784321.9U CN208433522U (en) | 2018-05-24 | 2018-05-24 | Fan-shaped broad beam dual-mode antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820784321.9U CN208433522U (en) | 2018-05-24 | 2018-05-24 | Fan-shaped broad beam dual-mode antenna |
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| Publication Number | Publication Date |
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| CN208433522U true CN208433522U (en) | 2019-01-25 |
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| CN201820784321.9U Expired - Fee Related CN208433522U (en) | 2018-05-24 | 2018-05-24 | Fan-shaped broad beam dual-mode antenna |
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| Country | Link |
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| CN (1) | CN208433522U (en) |
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2018
- 2018-05-24 CN CN201820784321.9U patent/CN208433522U/en not_active Expired - Fee Related
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