CN203786293U - Improved radar sensor device - Google Patents
Improved radar sensor device Download PDFInfo
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- CN203786293U CN203786293U CN201420135835.3U CN201420135835U CN203786293U CN 203786293 U CN203786293 U CN 203786293U CN 201420135835 U CN201420135835 U CN 201420135835U CN 203786293 U CN203786293 U CN 203786293U
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- radar
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- 239000002184 metal Substances 0.000 claims description 36
- 229910052751 metal Inorganic materials 0.000 claims description 36
- 230000010287 polarization Effects 0.000 claims description 11
- 150000002739 metals Chemical class 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 15
- 230000006855 networking Effects 0.000 abstract description 6
- 230000007812 deficiency Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010408 sweeping Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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Abstract
The utility model discloses an improved radar sensor device comprising three radar sensors which are arranged into an equilateral triangle. Each radar sensor includes an arc reflecting plate, the midline of the arc reflecting plate is equipped with a first feed source and a second feed source which are independent of each other, the first feed source and the second feed source are connected by a first wave guide pipe, a receiver is arranged above the second feed source, and a second wave guide pipe is arranged between the second feed source and the receiver. A resonance ball is arranged at the joint of every two arc reflecting plates. The deficiency of the prior art is improved, omnidirectional detection through networking of three radar sensors is realized, and the hardware cost is reduced.
Description
Technical field
The utility model relates to remote sensing field, especially a kind of improved radar sensor device.
Background technology
Radar, as a kind of Detection Techniques of maturation, has been widely used in every field.In 360 ° of omnidirectional detections, common radar installations is by two kinds of forms: 1, single radar rotated detection, use single radar, and by rotation, 360 ° comprehensive carried out to surface sweeping detection, this mode has been surveyed interval, and rotary part failure rate is high; 2, multi-radar network is surveyed, use multiple radars to carry out networking, this mode scanning probe continuously every, failure rate is low, but general radar sensor is owing to being subject to the restriction of effective scope of detection, in the time of networking, need 4 radar sensors of minimum use to cover the scope of 360 °, hardware cost is high, has limited the popularization of this mode.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of improved radar sensor device, can solve the deficiencies in the prior art, has realized the networking omnidirectional detection of 3 radar sensors, has reduced hardware input cost.
For solving the problems of the technologies described above, technical solution adopted in the utility model is as follows.
A kind of improved radar sensor device, comprise that three are the radar sensor that equilateral triangle is arranged, radar sensor comprises arc reflection plate, the angle of arc reflection plate center and two ends line is 140 °～165 °, on the center line of arc reflection plate, be provided with two independently the first feed and the second feeds, between the first feed and the second feed, be connected by the first waveguide pipe, the top of the second feed is provided with receiver, between the second feed and receiver, be provided with the second waveguide pipe, the junction of two arc reflection plates is provided with resonance ball; The first feed and the second feed comprise the electrode that is arranged on bottom, electrode top is connected with horizontal metal sheet, horizontal metal sheet is arranged in cavity, on the inwall of cavity, be arranged at intervals with several choke grooves, choke groove is arranged in parallel, the top of cavity is provided with hydraucone, is provided with several vertical sheet metals in hydraucone; The first waveguide pipe and the second waveguide pipe comprise that urceolus and several are fixed on urceolus inner cross metal polarization sheet arranged in a crossed manner; Resonance bag is drawn together spherical shell, and spherical shell inside is filled with tinsel.
As preferably, the thickness of the horizontal metal sheet of described the first feed is 0.3～0.5mm, and the degree of depth of choke groove is 2mm～3mm, and the diameter ratio of hydraucone upper and lower opening is 3: 2, and vertically the thickness of sheet metal is 1mm～2mm; The thickness of the horizontal metal sheet of described the second feed is 0.1～0.2mm, and the degree of depth of choke groove is 1mm～1.5mm, and the diameter ratio of hydraucone upper and lower opening is 3: 2, and vertically the thickness of sheet metal is 0.5mm～0.8mm; The setting angle of the metal polarization sheet in the first waveguide pipe and the second waveguide pipe differs 45 °.
As preferably, the central area at described three radar sensor back sides is provided with cylindrical magnet.
The beneficial effect that adopts technique scheme to bring is: first the utility model by optimizing the angle of arc reflection plate, increases to the angle of coverage of single radar sensor more than 120 °.Then by two feeds are set, and improve the structure of feed and waveguide pipe, improved the absorption capture rate of each radar sensor to absorption bands radar wave, suppress the interference of other band radar ripple simultaneously.Horizontal metal sheet in feed and vertically sheet metal have improved the rates such as wave beam, and cavity can be reduced to standing-wave ratio (SWR) in 1.05.The impedance difference of hydraucone to different-waveband radar wave feedback, thus the effect of selective filter mentioned.Choke groove has played the effect of " null-fill ", by interference effect, radar wave is strengthened in the intensity of edge, has eliminated detection blind area.Waveguide pipe has played to collect strengthens the signal that feed sends the effect that passed to receiver.The metal polarization sheet of right-angled intersection setting has been realized the polarization of radar wave in detection faces.Due to the seam crossing of two radar sensors, radar wave there will be the distortion producing due to phase mutual interference, arranges after resonance ball, and radar wave makes tinsel produce resonance in resonance ball, and then different radar waves is carried out to homogenizing, slacken the distortion degree that radar wave distributes.Cylindrical magnet can suppress the backpropagation of radar wave, and then under the prerequisite that does not change emissive power, improves measuring distance and the precision of radar.The utility model, by improving the structure of radar sensor itself and connecting and composing of networking, has successfully been realized three radar sensors and has been carried out 360 ° of surface sweepings detections.In addition, also increase substantially detection distance and the precision of radar sensor, and jamproof ability.
Brief description of the drawings
Fig. 1 is the schematic diagram of an embodiment of the utility model.
Fig. 2 is the schematic diagram of the first feed and the second feed in embodiment of the utility model.
Fig. 3 is the schematic diagram of the first waveguide pipe and the second waveguide pipe in embodiment of the utility model.
In figure: 1, radar sensor; 2, arc reflection plate; 3, the first feed; 4, the second feed; 5, the first waveguide pipe; 6, receiver; 7, the second waveguide pipe; 8, resonance ball; 9, electrode; 10, horizontal metal sheet; 11, cavity; 12, choke groove; 13, hydraucone; 14, vertical sheet metal; 15, urceolus; 16, metal polarization sheet; 17, spherical shell; 18, tinsel; 19, cylindrical magnet; 20, sunny side socket; 21, back socket; α, angle.
Embodiment
With reference to Fig. 1-3, embodiment of the utility model comprises that three are the radar sensor 1 that equilateral triangle is arranged, radar sensor 1 comprises arc reflection plate 2, the angle α of arc reflection plate 2 centers and two ends line is 147 °, on the center line of arc reflection plate 2, be provided with two independently the first feed 3 and the second feeds 4, between the first feed 3 and the second feed 4, be connected by the first waveguide pipe 5, the top of the second feed 4 is provided with receiver 6, between the second feed 4 and receiver 6, be provided with the second waveguide pipe 7, the junction of two arc reflection plates 2 is provided with resonance ball 8, the first feed 3 and the second feed 4 comprise the electrode 9 that is arranged on bottom, electrode 9 tops are connected with horizontal metal sheet 10, horizontal metal sheet 10 is arranged in cavity 11, on the inwall of cavity 11, be arranged at intervals with several choke grooves 12, choke groove 12 is arranged in parallel, the top of cavity 11 is provided with hydraucone 13, is provided with several vertical sheet metals 14 in hydraucone 13, the first waveguide pipe 5 and the second waveguide pipe 7 comprise that urceolus 15 and several are fixed on urceolus 15 inner cross metal polarization sheet 16 arranged in a crossed manner, resonance ball 8 comprises spherical shell 17, and spherical shell 17 inside are filled with tinsel 18.Wherein, receiver 6 is ripe prior art, and buying is many network Science and Technology Ltd.s that network from the four seas, Shenzhen, and its inner structure and connected mode all belong to the basic general knowledge that those skilled in the art grasp, and are not described in detail in this.
Thickness that it should be noted that the horizontal metal sheet 10 of described the first feed 3 is 0.35mm, and the degree of depth of choke groove 12 is 2.1mm, and the diameter ratio of hydraucone 13 upper and lower openings is 3: 2, and vertically the thickness of sheet metal 14 is 1.2mm; The thickness of the horizontal metal sheet 10 of described the second feed 4 is 0.14mm, and the degree of depth of choke groove 12 is 1.2mm, and the diameter ratio of hydraucone 13 upper and lower openings is 3: 2, and vertically the thickness of sheet metal 14 is 0.6mm; The setting angle of the metal polarization sheet 16 in the first waveguide pipe 5 and the second waveguide pipe 7 differs 45 °.
In addition, the central area at described three radar sensor 1 back sides is provided with cylindrical magnet 19.
Wherein, the two ends of each radar sensor 1 are respectively arranged with sunny side socket 20 and back socket 21, and sunny side socket 20 is provided with Samtec LSHM-DH-N connector, and back socket 21 is provided with Samtec LSS connector.Adjacent sunny side socket 20 and back socket 21 are pegged graft mutually.This connected mode does not need other electrical fitting, and dismounting does not need specific purpose tool, flexible.
Principle of work of the present utility model is: first the utility model by optimizing the angle of arc reflection plate 2, increases to the angle of coverage of single radar sensor 1 more than 120 °.Then by two feeds are set, and improve the structure of feed and waveguide pipe, improved the absorption capture rate of each radar sensor 1 to absorption bands radar wave, suppress the interference of other band radar ripple simultaneously.Horizontal metal sheet 10 in feed and vertically sheet metal 14 have improved the rates such as wave beam, and cavity 11 can be reduced to standing-wave ratio (SWR) in 1.05.The impedance difference of hydraucone 13 to different-waveband radar wave feedback, thus the effect of selective filter mentioned.Choke groove 12 has played the effect of " null-fill ", by interference effect, radar wave is strengthened in the intensity of edge, has eliminated detection blind area.Waveguide pipe has played to collect strengthens the signal that feed sends the effect that passed to receiver 6.The metal polarization sheet 16 of right-angled intersection setting has been realized the polarization of radar wave in detection faces.Due to the seam crossing of two radar sensors 1, radar wave there will be the distortion producing due to phase mutual interference, arranges after resonance ball 8, and radar wave makes tinsel 18 produce resonance in resonance ball 8, and then different radar waves is carried out to homogenizing, slacken the distortion degree that radar wave distributes.Cylindrical magnet 19 can suppress the backpropagation of radar wave, and then under the prerequisite that does not change emissive power, improves measuring distance and the precision of radar.The utility model, by improving the structure of radar sensor itself and connecting and composing of networking, has successfully been realized three radar sensors and has been carried out 360 ° of surface sweepings detections.In addition, also increase substantially detection distance and the precision of radar sensor, and jamproof ability.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. an improved radar sensor device, it is characterized in that: comprise that three are the radar sensor (1) that equilateral triangle is arranged, radar sensor (1) comprises arc reflection plate (2), the angle (α) of arc reflection plate (2) center and two ends line is 140 °～165 °, on the center line of arc reflection plate (2), be provided with two independently the first feed (3) and the second feeds (4), between the first feed (3) and the second feed (4), be connected by the first waveguide pipe (5), the top of the second feed (4) is provided with receiver (6), between the second feed (4) and receiver (6), be provided with the second waveguide pipe (7), the junction of two arc reflection plates (2) is provided with resonance ball (8), the first feed (3) and the second feed (4) comprise the electrode (9) that is arranged on bottom, electrode (9) top is connected with horizontal metal sheet (10), horizontal metal sheet (10) is arranged in cavity (11), on the inwall of cavity (11), be arranged at intervals with several choke grooves (12), choke groove (12) is arranged in parallel, the top of cavity (11) is provided with hydraucone (13), is provided with several vertical sheet metals (14) in hydraucone (13), the first waveguide pipe (5) and the second waveguide pipe (7) comprise that urceolus (15) and several are fixed on urceolus (15) inner cross metal polarization sheet (16) arranged in a crossed manner, resonance ball (8) comprises spherical shell (17), and spherical shell (17) inside is filled with tinsel (18).
2. improved radar sensor device according to claim 1, it is characterized in that: the thickness of the horizontal metal sheet (10) of described the first feed (3) is 0.3～0.5mm, the degree of depth of choke groove (12) is `2mm～3mm, the diameter ratio of hydraucone (13) upper and lower opening is 3: 2, and vertically the thickness of sheet metal (14) is 1mm～2mm; The thickness of the horizontal metal sheet (10) of described the second feed (4) is 0.1～0.2mm, the degree of depth of choke groove (12) is 1mm～1.5mm, the diameter ratio of hydraucone (13) upper and lower opening is 3: 2, and vertically the thickness of sheet metal (14) is 0.5mm～0.8mm; The setting angle of the metal polarization sheet (16) in the first waveguide pipe (5) and the second waveguide pipe (7) differs 45 °.
3. improved radar sensor device according to claim 1, is characterized in that: the central area at described three radar sensors (1) back side is provided with cylindrical magnet (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420135835.3U CN203786293U (en) | 2014-03-25 | 2014-03-25 | Improved radar sensor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420135835.3U CN203786293U (en) | 2014-03-25 | 2014-03-25 | Improved radar sensor device |
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| Publication Number | Publication Date |
|---|---|
| CN203786293U true CN203786293U (en) | 2014-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420135835.3U Expired - Lifetime CN203786293U (en) | 2014-03-25 | 2014-03-25 | Improved radar sensor device |
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| CN (1) | CN203786293U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105717504A (en) * | 2015-08-11 | 2016-06-29 | 王宗博 | Unmanned aerial vehicle 360-degree electronic scanning obstacle avoidance radar |
-
2014
- 2014-03-25 CN CN201420135835.3U patent/CN203786293U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105717504A (en) * | 2015-08-11 | 2016-06-29 | 王宗博 | Unmanned aerial vehicle 360-degree electronic scanning obstacle avoidance radar |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: Room I501, Block I, ZTE Industrial Park, No. 10 Tangyan South Road, Xi'an High-tech Zone, Shaanxi Province, 710065 Patentee after: Esso Information Co.,Ltd. Address before: 710065, 5th Floor, Block I, ZTE Industrial Park, No. 10 Tangyan South Road, Xi'an High-tech Zone, Shaanxi Province Patentee before: XI'AN ITHOR INFORMATION TECHNOLOGY CO.,LTD. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |