CN111106432A - Antenna and signal processing device - Google Patents
Antenna and signal processing deviceDownload PDFInfo
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- CN111106432A CN111106432ACN201811254791.5ACN201811254791ACN111106432ACN 111106432 ACN111106432 ACN 111106432ACN 201811254791 ACN201811254791 ACN 201811254791ACN 111106432 ACN111106432 ACN 111106432A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
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Abstract
Description
Technical Field
The present invention relates to the field of terminal control technologies, and in particular, to an antenna and a signal processing apparatus.
Background
In the related art, a common panel antenna mainly includes a microstrip antenna and a waveguide antenna, and when the microstrip antenna or the waveguide antenna works, the receiving direction and the normal direction are required to be the same, that is, the microstrip antenna or the waveguide antenna needs to be adjusted in position in the process of receiving signals, so that the surface normal direction is the same as the receiving direction of satellite signals, which easily increases the actual height of the panel antenna, and the practicability is limited in some scenes with limited space.
Disclosure of Invention
To overcome the problems in the related art, embodiments of the present invention provide an antenna and a signal processing apparatus. The technical scheme is as follows:
according to a first aspect of embodiments of the present invention, there is provided an antenna comprising a conductive plate of a diagonal layer and at least one slot conductive strip;
the first surface of the gap conductive bar is provided with a plurality of feed gap through holes, the second surface of the gap conductive bar is provided with at least one cavity conductive groove, each cavity conductive groove is provided with a plurality of feed through holes, and the plurality of feed through holes arranged in the at least one cavity conductive groove are respectively communicated with the plurality of feed gap through holes;
the inclined plane layer current conducting plate is provided with at least one inclined plane groove, the bottom surface of the inclined plane groove and the bottom surface of the inclined plane layer current conducting plate form a first preset angle, and the bottom surface of each inclined plane groove is provided with at least one first waveguide through hole penetrating through the bottom surface of the inclined plane groove to the bottom surface of the inclined plane layer current conducting plate;
the at least one slot conductive strip is respectively arranged in the at least one inclined plane groove on the inclined plane layer conductive plate, so that at least one cavity conductive groove arranged on the second surface of the slot conductive strip is respectively communicated with at least one first waveguide through hole on the bottom surface of the inclined plane groove.
The technical scheme provided by the embodiment of the invention can have the following beneficial effects: the inclined plane layer current conducting plate is provided with the inclined plane groove, the bottom surface of the inclined plane groove and the bottom surface of the inclined plane layer current conducting plate are at a first preset angle, the surface normal direction of the gap conductive bar is ensured to be the same as the receiving direction of the satellite signal, the scheme of receiving the satellite signal under the condition that the position of the antenna is not required to be adjusted is achieved, the increase of the actual height of the antenna caused by the fact that the position of the antenna is required to be adjusted is avoided, and the practicability of the antenna is improved.
In one embodiment, the plurality of feed slot vias are all rectangular in shape.
In one embodiment, the cavity conductive slots are rectangular in shape, and each cavity conductive slot is provided with four feeding through holes which are respectively arranged at four corners of the rectangle.
In one embodiment, a side surface of the first waveguide through hole and a bottom surface of the inclined layer conductive plate form a second preset angle.
In one embodiment, the slot conductive bar is provided with a first fixing through hole, and the bottom surface of the inclined groove of the inclined layer conductive plate is provided with a first fixing blind hole;
the antenna further comprises a first fixing part, and the first fixing part penetrates through the first fixing through hole to be fixedly connected with the first fixing blind hole, so that the gap conductive strip is fixed on the bottom surface of the inclined groove.
In one embodiment, the antenna further comprises an intermediate conductive plate disposed in cooperation with the ramp layer conductive plate, and a bottom conductive plate disposed in cooperation with the intermediate conductive plate;
one surface of the middle conducting plate, which is close to the inclined plane layer conducting plate, is provided with a second waveguide through hole, and one surface of the middle conducting plate, which is close to the bottom conducting plate, is provided with a first conducting groove; one surface of the bottom conductive plate, which is close to the middle conductive plate, is provided with a second conductive groove which has the same shape as the first conductive groove;
the second waveguide through hole in the middle layer conductive plate is communicated with the first waveguide through hole in the inclined layer conductive plate; the first conductive grooves on the middle conductive plate are aligned with the second conductive grooves on the bottom conductive plate.
In one embodiment, the bottom surface of the inclined plane layer conductive plate is provided with a second fixing blind hole, the middle layer conductive plate is provided with a second fixing through hole, and the bottom layer conductive plate is provided with a third fixing blind hole;
the antenna further comprises a second fixing portion, the second fixing portion penetrates through the second fixing through hole, and two ends of the second fixing portion are fixedly connected with the second fixing blind hole and the third fixing blind hole respectively, so that the inclined plane layer conductive plate, the middle layer conductive plate and the bottom layer conductive plate are fixedly connected.
In one embodiment, the slot conductive strips, the ramp layer conductive plates, the middle layer conductive plate and the bottom layer conductive plate are all made of a metal material.
In one embodiment, the slot conductive bars, the ramp layer conductive plates, the middle layer conductive plate and the bottom layer conductive plate are all injection-molded parts with conductive metal layers coated on the surfaces.
According to a second aspect of the embodiments of the present invention, there is provided a signal processing apparatus, which includes the antenna according to any one of the embodiments of the first aspect.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic diagram illustrating the structure of an antenna according to an exemplary embodiment.
Fig. 2 is a schematic diagram illustrating the structure of an antenna according to an exemplary embodiment.
Fig. 3 is a schematic diagram illustrating a configuration of a first side of a slot conductive strip according to an exemplary embodiment.
Fig. 4 is a schematic diagram illustrating a second side of a slot conductive strip according to an exemplary embodiment.
Fig. 5 is a cross-sectional view of a slot conductive strip according to an example embodiment.
Fig. 6 is a cross-sectional view of a sloped layer conductive plate shown in accordance with an example embodiment.
Fig. 7 is a schematic diagram illustrating a structure of a ramp layer conductive plate according to an exemplary embodiment.
Fig. 8 is a schematic diagram illustrating the structure of an intermediate conductive plate according to an exemplary embodiment.
Fig. 9 is a schematic diagram illustrating the structure of an intermediate conductive plate according to an exemplary embodiment.
Fig. 10 is a schematic diagram of the structure of the underlying conductive plate shown in accordance with an example embodiment.
Fig. 11 is a structural diagram illustrating a polar plot of radiation directions from which theantenna 10 receives satellite signals according to an exemplary embodiment.
Fig. 12 is a schematic structural diagram illustrating a ramp layer conductive plate according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
An embodiment of the present invention provides anantenna 10, as shown in fig. 1, where fig. 1 is an exploded view of theantenna 10, and theantenna 10 includes aconductive plate 101 of a ramp layer and at least one slotconductive strip 102.
Thefirst surface 102a of the slotconductive strip 102 is provided with a plurality of feed slot throughholes 1021, thesecond surface 102b of the slotconductive strip 102 is provided with at least one cavityconductive slot 1022, each cavityconductive slot 1022 is provided with a plurality of feed throughholes 1022a, and the plurality of feed throughholes 1022a provided in the at least one cavityconductive slot 1022 are respectively communicated with the plurality of feed slot throughholes 1021.
The inclined plane layerconductive plate 101 is provided with at least oneinclined plane groove 1011, as shown in fig. 2, abottom surface 1011a of theinclined plane groove 1011 forms a first predetermined angle p with thebottom surface 101a of the inclined plane layerconductive plate 101, and thebottom surface 1011a of eachinclined plane groove 1011 is provided with at least one first waveguide throughhole 1011b penetrating from thebottom surface 1011a of theinclined plane groove 1011 to thebottom surface 101a of the inclined plane layerconductive plate 101.
The at least one slotconductive strip 102 is disposed in at least oneinclined groove 1011 of the inclined layerconductive plate 101, respectively, such that at least one cavityconductive slot 1022 disposed on thesecond surface 102b of the slotconductive strip 102 is communicated with at least one first waveguide throughhole 1011b on thebottom surface 1011a of theinclined groove 1011, respectively.
For example, since thebottom surface 1011a of theinclined groove 1011 disposed on the inclined layerconductive plate 101 and thebottom surface 101a of the inclined layerconductive plate 101 form a first preset angle p, and the slotconductive bars 102 are respectively disposed in theinclined grooves 1011, it can be known that the slotconductive bars 102 and thebottom surface 101a of the inclined layerconductive plate 101 form the first preset angle p, and thus, the surface normal of the slotconductive bars 102 can be the same as the receiving direction of the satellite signal by adjusting the first preset angle p, and the process of adjusting the position or angle of the whole antenna to achieve the surface normal of the slotconductive bars 102 being the same as the receiving direction of the satellite signal is avoided. Since the different satellites have different moving tracks, when theantenna 10 is manufactured, a satellite corresponding to a satellite signal that theantenna 10 needs to receive is determined, then a receiving direction of the satellite signal is determined according to the moving track of the satellite, and an angle value of the first preset angle p is calculated by taking the receiving direction as a surface normal of the slot conductive strip 102 (it is assumed that thebottom surface 101a of the inclined layerconductive plate 101 is parallel to the horizontal direction). After the angle value of the first preset angle p is obtained, theinclined groove 1011 is formed on the inclined layerconductive plate 101 of theantenna 10 according to the angle value, so that when the slotconductive strip 102 is disposed in theinclined groove 1011, the surface normal direction of the slotconductive strip 102 is the same as the satellite signal receiving direction of the satellite. In practical applications, if thebottom surface 101a of the inclined plane layerconductive plate 101 has an included angle with the horizontal direction, the angle value of the first predetermined angle p may be calculated based on the included angle.
Optionally, the positions of thefeeding slot vias 1021 arranged on the slotconductive strip 102 are determined by the satellite signals received by the slot conductive strip. When designing the slotconductive strip 102, the electrical parameters of the single feed slot throughhole 1021 may be simulated first, that is, the relationship between the slot offset, the slot conductance, and the slot length and width of the single feed slot throughhole 1021 during resonance is obtained, then HFSS (High Frequency Structure Simulator) software is applied to perform simulation according to the relationship, that is, the electrical parameters of the feed slot throughhole 1021 are continuously changed on the basis of satisfying the relationship, and the optimal electrical parameters of the feed slot throughhole 1021 satisfying the relationship are selected according to information such as the gain, the directivity pattern, the far-field pattern profile, the far-field 3D diagram, and the 3dB bandwidth of theantenna 10 output by the HFSS software after the electrical parameters are changed each time, so as to obtain the position, the length, and the width of the feed slot throughhole 1021. After the position, the length and the width of a single feed slot throughhole 1021 are obtained, the number and the positions of other feed slot throughholes 1021 are simulated according to the same length and width, and then a model of the slotconductive strip 102 is obtained.
In the embodiment of the present invention, for example, thefirst surface 102a of each slotconductive strip 102 is provided with eight feeding slot throughholes 1021, and thesecond surface 102b is provided with two cavityconductive slots 1022, as shown in fig. 3, the eight feeding slot throughholes 1021 are respectively disposed on edge regions of the slotconductive strips 102 along the length direction. Alternatively, the eight feed slot throughholes 1021 may be all rectangular in shape. As shown in fig. 4, the two cavityconductive slots 1022 disposed on thesecond side 102b of the slotconductive strip 102 may be rectangular, and each cavityconductive slot 1022 is provided with fourfeeding vias 1022a, the fourfeeding vias 1022a having the same shape as the feeding slot via 1021 and being disposed at four corners of the rectangular cavityconductive slot 1022, respectively. At this time, four of the eight feed slot throughholes 1021 are mutually communicated with the feed throughholes 1022a disposed at the four corners of one cavityconductive slot 1022, and the remaining four feed slot throughholes 1021 are mutually communicated with the feed throughholes 1022a disposed at the four corners of the other cavityconductive slot 1022. As shown in fig. 5, fig. 5 is a cross-sectional view taken along a direction a-a of fig. 3, and fig. 5 shows that the feed slot via 1021 passes through thefirst surface 102a of the slotconductive strip 102 to the bottom surface of the cavityconductive slot 1022, and the feed slot via 1021 is the feed slot via 1021 when viewed from thefirst surface 102a of the slotconductive strip 102, and the feed slot via 1022a is the feed slot via when viewed from thesecond surface 102b of the slotconductive strip 102.
Illustratively, thebottom surface 1011a of eachinclined groove 1011 is provided with at least one first waveguide throughhole 1011b extending from thebottom surface 1011a of theinclined groove 1011 to thebottom surface 101a of the inclined layerconductive plate 101, and the number of the first waveguide throughholes 1011b provided on thebottom surface 1011a of eachinclined groove 1011 is the same as the number of the cavityconductive grooves 1022 on the slotconductive strip 102 provided in theinclined groove 1011. Assuming that the second surface of the slotconductive strip 102 is provided with two cavityconductive slots 1022, two first waveguide throughholes 1011b are disposed on thebottom surface 1011a of eachinclined groove 1011. As shown in fig. 6, fig. 6 is a cross-sectional view taken along B-B of fig. 7, it can be seen from fig. 6 that the side surface of the first waveguide via 1011B and thebottom surface 101a of theconductive plate 101 form a second predetermined angle q, and the angle value of the second predetermined angle q can also be determined through simulation, i.e. the angle value of the second predetermined angle q is also related to the receiving direction of the satellite signal that theantenna 10 needs to receive.
In the technical solution provided by the embodiment of the present invention, theinclined plane groove 1011 is disposed on the inclined plane layerconductive plate 101, and thebottom surface 1011a of theinclined plane groove 1011 and thebottom surface 101a of the inclined plane layerconductive plate 101 form the first preset angle p, so as to ensure that the surface normal direction of the slotconductive bar 102 is the same as the receiving direction of the satellite signal, thereby implementing a scheme for completing the receiving of the satellite signal without adjusting the position of theantenna 10, avoiding the increase of the actual height of theantenna 10 caused by the need of adjusting the position of theantenna 10, and improving the practicability of theantenna 10.
In one embodiment, referring to fig. 3, the slotconductive strip 102 is provided with a first fixing throughhole 1023, and as shown in fig. 7, thebottom surface 1011a of theinclined groove 1011 of the inclined layerconductive plate 101 is provided with a first fixingblind hole 1011 c. Theantenna 10 further includes a first fixing portion passing through the first fixing throughhole 1023 to be fixedly connected with the first fixingblind hole 1011c, so that the slotconductive strip 102 is fixed on thebottom surface 1011a of theinclined groove 1011. Alternatively, the first fixing portion may be a screw.
In one embodiment, as shown with reference to fig. 1, theantenna 10 further includes an intermediateconductive plate 104 disposed in cooperation with the ramp layerconductive plate 101, and a bottomconductive plate 105 disposed in cooperation with the intermediateconductive plate 104.
As shown in fig. 8, a second waveguide via 1041 is provided on a surface of the intermediate layerconductive plate 104 close to the inclined layerconductive plate 101. As shown in fig. 9, a firstconductive recess 1042 is formed in a surface of the middleconductive plate 104 adjacent to the bottomconductive plate 105. As shown in fig. 10, a secondconductive groove 1051 having the same shape as the firstconductive groove 1042 is formed on a surface of the bottomconductive plate 105 adjacent to the middleconductive plate 104.
When theantenna 10 is assembled, the second waveguide throughhole 1041 in the intermediateconductive plate 104 and the first waveguide throughhole 1011b in the inclined layerconductive plate 101 penetrate each other. The firstconductive recesses 1042 on the middleconductive plate 104 are aligned with the secondconductive recesses 1051 on the bottomconductive plate 105.
As an example, a polar coordinate graph of the radiation direction of theantenna 10 receiving the satellite signal can be shown in fig. 11, and it can be known from again curve 1001 in fig. 11 that through the feeding and amplification processes of the slotconductive strip 102, the inclined plane layerconductive plate 101, the middle layerconductive plate 104, and the bottom layerconductive plate 105, the gain of the received signal of theantenna 10 in each direction can meet the requirement of signal processing, that is, the requirement of receiving the satellite signal can be completely met by placing the slotconductive strip 102 in theinclined plane groove 1011.
In one embodiment, as shown in fig. 12, thebottom surface 101a of the ramp layerconductive plate 101 is provided with a second fixingblind hole 101a 1. Referring to fig. 8, the intermediateconductive plate 104 is provided with a second fixing via 1043. Referring to fig. 10, the bottomconductive plate 105 is provided with a third fixingblind hole 1052. Theantenna 10 further includes a second fixing portion, which passes through the second fixing throughhole 1043, and two ends of the second fixing portion are respectively and fixedly connected to the second fixing blind hole 101a1 and the third fixingblind hole 1052, so that the inclined plane layerconductive plate 101, the middle layerconductive plate 104 and the bottom layerconductive plate 105 are fixedly connected. Alternatively, the second fixing portion may be a screw.
Alternatively, the slotconductive strips 102, the ramp layerconductive plates 101, the middle layerconductive plate 104 and the bottom layerconductive plate 105 are made of a metallic material. Alternatively, the slotconductive bars 102, theramp layer plates 101, themiddle layer plate 104 and thebottom layer plate 105 are injection molded parts coated with a conductive metal layer on the surface.
In the technical solution provided by the embodiment of the present invention, theantenna 10 is composed of the slotconductive strip 102, the inclined plane layerconductive plate 101, the middle layerconductive plate 104 and the bottom layerconductive plate 105, and the inclined plane layerconductive plate 101 is provided with theinclined plane groove 1011, and thebottom surface 1011a of theinclined plane groove 1011 and thebottom surface 101a of the inclined plane layerconductive plate 101 form the first preset angle p, so that the surface normal direction of the slotconductive strip 102 disposed in theinclined plane groove 1011 can be the same as the receiving direction of the satellite signal through the first preset angle p, thereby realizing the scheme of completing the reception of the satellite signal without adjusting the position of theantenna 10, avoiding the increase of the actual height of theantenna 10 caused by the need of adjusting the position of theantenna 10, and improving the practicability of theantenna 10.
An embodiment of the present invention provides a signal processing apparatus, which includes theantenna 10 described in the above embodiment.
Illustratively, theantenna 10 includes a ramplayer conductor sheet 101, at least oneslot conductor sheet 102, a middlelayer conductor sheet 104 disposed in cooperation with the ramplayer conductor sheet 101, and a bottomlayer conductor sheet 105 disposed in cooperation with the middlelayer conductor sheet 104.
Thefirst surface 102a of the slotconductive strip 102 is provided with a plurality of feed slot throughholes 1021, thesecond surface 102b of the slotconductive strip 102 is provided with at least one cavityconductive slot 1022, each cavityconductive slot 1022 is provided with a plurality of feed throughholes 1022a, and the plurality of feed throughholes 1022a provided in the at least one cavityconductive slot 1022 are respectively communicated with the plurality of feed slot throughholes 1021.
The inclined plane layerconductive plate 101 is provided with at least oneinclined plane groove 1011, abottom surface 1011a of theinclined plane groove 1011 and abottom surface 101a of the inclined plane layerconductive plate 101 form a first preset angle p, and thebottom surface 1011a of eachinclined plane groove 1011 is provided with at least one first waveguide throughhole 1011b penetrating from thebottom surface 1011a of theinclined plane groove 1011 to thebottom surface 101a of the inclined plane layerconductive plate 101.
A second waveguide viahole 1041 is provided on a surface of the intermediate layerconductive plate 104 close to the inclined layerconductive plate 101. A firstconductive recess 1042 is formed in a surface of the middleconductive plate 104 adjacent to the bottomconductive plate 105. One surface of the bottomconductive plate 105 adjacent to the middleconductive plate 104 is provided with a secondconductive groove 1051 having the same shape as the firstconductive groove 1042.
The second waveguide viahole 1041 on the intermediateconductive plate 104 and the first waveguide viahole 1011b on the inclined layerconductive plate 101 penetrate each other. The firstconductive recesses 1042 on the middleconductive plate 104 are aligned with the secondconductive recesses 1051 on the bottomconductive plate 105.
The embodiment of the invention provides a signal processing device, theantenna 10 of the signal processing device is composed of a gapconductive bar 102, a slope layerconductive plate 101, a middle layerconductive plate 104 and a bottom layerconductive plate 105, the slope layerconductive plate 101 is provided with aslope groove 1011, and thebottom surface 1011a of theslope groove 1011 and thebottom surface 101a of the slope layerconductive plate 101 form a first preset angle p, so that the surface normal direction of the gapconductive bar 102 arranged in theslope groove 1011 can be the same as the receiving direction of a satellite signal through the first preset angle p, the scheme of completing the satellite signal receiving under the condition that the position of theantenna 10 is not required to be adjusted when the device is used is realized, the increase of the actual height of the signal processing device caused by the position of theantenna 10 is avoided, and the practicability of the signal processing device is improved.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (10)
1. An antenna comprising a conductive plate of a skew layer and at least one slot conductive strip;
the first surface of the gap conductive bar is provided with a plurality of feed gap through holes, the second surface of the gap conductive bar is provided with at least one cavity conductive groove, each cavity conductive groove is provided with a plurality of feed through holes, and the plurality of feed through holes arranged in the at least one cavity conductive groove are respectively communicated with the plurality of feed gap through holes;
the inclined plane layer current conducting plate is provided with at least one inclined plane groove, the bottom surface of the inclined plane groove and the bottom surface of the inclined plane layer current conducting plate form a first preset angle, and the bottom surface of each inclined plane groove is provided with at least one first waveguide through hole penetrating through the bottom surface of the inclined plane groove to the bottom surface of the inclined plane layer current conducting plate;
the at least one slot conductive strip is respectively arranged in the at least one inclined plane groove on the inclined plane layer conductive plate, so that at least one cavity conductive groove arranged on the second surface of the slot conductive strip is respectively communicated with at least one first waveguide through hole on the bottom surface of the inclined plane groove.
2. The antenna of claim 1, wherein the plurality of feed slot vias are all rectangular in shape.
3. The antenna of claim 1, wherein the cavity conductive slots are rectangular in shape, and each cavity conductive slot is provided with four feed through holes, the four feed through holes being respectively disposed at four corners of the rectangle.
4. The antenna of claim 1, wherein a side surface of the first waveguide via is at a second predetermined angle with respect to a bottom surface of the conductive plate.
5. The antenna of claim 1, wherein the slot conductive strip is provided with a first fixing through hole, and a bottom surface of the inclined groove of the inclined layer conductive plate is provided with a first fixing blind hole;
the antenna further comprises a first fixing part, and the first fixing part penetrates through the first fixing through hole to be fixedly connected with the first fixing blind hole, so that the gap conductive strip is fixed on the bottom surface of the inclined groove.
6. The antenna of any one of claims 1 to 5, further comprising an intermediate conductive plate disposed in cooperation with the ramp layer conductive plate, and a bottom conductive plate disposed in cooperation with the intermediate conductive plate;
one surface of the middle conducting plate, which is close to the inclined plane layer conducting plate, is provided with a second waveguide through hole, and one surface of the middle conducting plate, which is close to the bottom conducting plate, is provided with a first conducting groove; one surface of the bottom conductive plate, which is close to the middle conductive plate, is provided with a second conductive groove which has the same shape as the first conductive groove;
the second waveguide through hole in the middle layer conductive plate is communicated with the first waveguide through hole in the inclined layer conductive plate; the first conductive grooves on the middle conductive plate are aligned with the second conductive grooves on the bottom conductive plate.
7. The antenna according to claim 6, wherein the bottom surface of the inclined plane layer conductive plate is provided with a second fixing blind hole, the middle layer conductive plate is provided with a second fixing through hole, and the bottom layer conductive plate is provided with a third fixing blind hole;
the antenna further comprises a second fixing portion, the second fixing portion penetrates through the second fixing through hole, and two ends of the second fixing portion are fixedly connected with the second fixing blind hole and the third fixing blind hole respectively, so that the inclined plane layer conductive plate, the middle layer conductive plate and the bottom layer conductive plate are fixedly connected.
8. The antenna of claim 6, wherein the slot conductive strip, the ramp layer conductive plate, the middle conductive plate, and the bottom conductive plate are all made of a metallic material.
9. The antenna of claim 6, wherein the slot conductive strip, the ramp layer conductive plate, the middle layer conductive plate, and the bottom layer conductive plate are injection molded parts with a conductive metal layer coated on the surface.
10. A signal processing arrangement, characterized in that the signal processing arrangement comprises an antenna according to any of claims 1 to 9.
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| CN201811254791.5ACN111106432A (en) | 2018-10-26 | 2018-10-26 | Antenna and signal processing device |
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| CN201811254791.5ACN111106432A (en) | 2018-10-26 | 2018-10-26 | Antenna and signal processing device |
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