CN109828273B - Ad-hoc network traffic radar detection system - Google Patents
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- CN109828273B CN109828273B CN201910154427.XA CN201910154427A CN109828273B CN 109828273 B CN109828273 B CN 109828273B CN 201910154427 A CN201910154427 A CN 201910154427A CN 109828273 B CN109828273 B CN 109828273B
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Abstract
The invention discloses an ad hoc network traffic radar detection system, which comprises a node radar packaging shell, a radar microstrip antenna protective cover, a radar microstrip antenna circuit board, a radar intermediate frequency processing board, a Beidou satellite signal receiving system, a power supply interface, an analog-to-digital conversion module, a digital signal processor, a central microprocessor, a power supply voltage stabilizing system, a front-end wireless communication module, an antenna and a first communication interface, wherein the radar microstrip antenna protective cover is arranged on one side of the node radar packaging shell; monitoring illegal speed vehicles in real time and giving double alarms to vehicle aisles; the problems that a single camera is too greatly influenced by light intensity, a shot image is not clear and a vehicle cannot be monitored in real time are effectively avoided; the vehicle which does not comply with the traffic rules can be early-warned; real-time data storage can be carried out on the detected road scene.
Description
Technical Field
The invention relates to the technical field of computers for traffic, in particular to an ad hoc network traffic radar detection system.
Background
With the increasing of the holding capacity of vehicles, traffic accidents have become a serious and common accidental injury due to illegal speeding of vehicles, and the traffic accidents have become a huge burden for social development. The important problem that people need to solve is that the speed of a vehicle and the traffic flow of a road in real time are monitored, the occurrence characteristics of traffic death accidents are known, and the reduction of the traffic death accidents is urgently needed. Therefore, the invention discloses a security detection and early warning system for road traffic.
Disclosure of Invention
The objective of the present invention is to provide an ad hoc network traffic radar detection system to solve the above problems in the background art.
In order to solve the technical problems, the invention provides the following technical scheme: an ad hoc network traffic radar detection system comprises a node radar packaging shell, a radar micro-strip antenna protection cover, a radar micro-strip antenna circuit board, a radar intermediate frequency processing board, a Beidou satellite signal receiving system, a power interface, an analog-to-digital conversion module, a digital signal processor, a central microprocessor, a power supply voltage stabilizing system, a front end wireless communication module, an antenna and a first communication interface, wherein the radar micro-strip antenna protection cover is arranged on one side of the node radar packaging shell, the radar micro-strip antenna circuit board is fixedly installed between the radar micro-strip antenna protection cover and the node radar packaging shell through screws, the radar micro-strip antenna circuit board is arranged on one side of the node radar packaging shell, the number of the node radar packaging shells is two, the radar intermediate frequency processing board is fixedly installed on one side of the node radar packaging shell, which is far away from the radar micro-strip antenna protection cover, between the two node radar packaging shells, the analog-to-right side of the radar processing board, the analog-to which an analog-to-digital conversion module, the first communication interface, a front end wireless communication module, an antenna, a digital signal processor, a central microprocessor, a satellite signal receiving system, a power supply signal receiving system, a Beidou satellite signal processing module, a Beidou satellite signal receiving system and a first communication module, a voltage stabilizing micro-to a second communication module, a central microprocessor, a first communication module and a first communication module, a second communication module, a first communication interface, a second communication module, a central microprocessor and a second communication module, a third communication interface, the terminal and the early warning system comprise a communication module, a terminal hardware packaging case shell, a central processing unit, a second communication interface, a voice alarm system and a data recording and storing system, wherein an opening is formed in one side of the terminal hardware packaging case shell, the edge of one side, close to the opening, of the top of the terminal hardware packaging case shell is correspondingly provided with the communication module and the voice alarm system, the second communication interface is fixedly installed at the top of the other side, corresponding to the opening, of the terminal hardware packaging case shell, three partition plates are horizontally installed inside the terminal hardware packaging case shell, and the three partition plates are sequentially provided with the two central processing units and the data recording and storing system from top to bottom.
Furthermore, the node radar packaging shell is fixedly connected with the radar microstrip antenna protective cover through a bolt.
Furthermore, the radar microstrip antenna circuit board comprises a microstrip antenna oscillator, the antenna oscillator is connected with a corresponding pin of the radio frequency chip, and the radar microstrip antenna circuit board and the radar intermediate frequency processing board are connected with each other through an IMSA _ S connector.
Furthermore, the radar intermediate frequency processing board is positioned between the two-node radar packaging shells.
Further, the radar intermediate frequency processing board at least comprises a power supply unit and an AD conversion unit.
Furthermore, the central processing unit at least comprises a signal interface unit, a clock unit, a multiplier unit and an intermediate frequency amplifier unit.
Compared with the prior art, the invention has the following beneficial effects: the ad hoc network traffic radar detection system detects the passing vehicle condition of a monitoring point in real time all day long and records the running condition of each vehicle; monitoring illegal speed vehicles in real time and giving double alarms to vehicle aisles; the problems that a single camera is too greatly influenced by light intensity, a shot image is not clear and a vehicle cannot be monitored in real time are effectively avoided; the vehicle which does not comply with the traffic rules can be early-warned; real-time data storage can be performed on the detected road scene.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is an exploded view of the front end radar system of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the terminal and the early warning system of the present invention;
in the figure: 1. a node radar package housing; 2. a radar microstrip antenna protective cover; 3. a radar microstrip antenna circuit board; 4. a radar intermediate frequency processing board; 5. a Beidou satellite signal receiving system; 6. a power interface; 7. a modulus conversion module; 8. a digital signal processor; 9. a central microprocessor; 10. a power supply voltage stabilization system; 11. a front-end wireless communication module and an antenna; 12. a first communication interface; 13. a communication module; 14. the terminal hardware encapsulates the chassis shell; 15. a central processing unit; 16. a second communication interface; 17. a voice alarm system; 18. a data recording and storage system.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a self-networking traffic radar detection system comprises a node radar packaging shell 1, a radar microstrip antenna protective cover 2, a radar microstrip antenna circuit board 3, a radar intermediate frequency processing board 4, a Beidou satellite signal receiving system 5, a power interface 6, an analog-to-digital conversion module 7, a digital signal processor 8, a central microprocessor 9, a power voltage stabilizing system 10, a front end wireless communication module and antenna 11 and a first communication interface 12, wherein the radar microstrip antenna protective cover 2 is arranged on one side of the node radar packaging shell 1, the node radar packaging shell 1 and the radar microstrip antenna protective cover 2 are fixedly connected through bolts to ensure the connection stability, the radar microstrip antenna circuit board 3 is fixedly installed between the radar microstrip antenna protective cover 2 and the node radar packaging shell 1 through screws, and the radar microstrip antenna circuit board 3 is arranged on one side of the node radar packaging shell 1, the number of the node radar packaging shells 1 is two, a radar intermediate frequency processing board 4 is fixedly mounted on one side of the node radar packaging shell 1, which is far away from a radar microstrip antenna protective cover 2, between the two node radar packaging shells 1, the radar microstrip antenna circuit board 3 comprises a microstrip antenna oscillator, the antenna oscillator is connected with corresponding pins of a radio frequency chip, the radar microstrip antenna circuit board 3 and the radar intermediate frequency processing board 4 are connected with each other through an IMSA _9854S connector, the antenna oscillator can emit and receive electromagnetic waves outwards, the radar intermediate frequency processing board 4 is located between the two node radar packaging shells 1, the radar intermediate frequency processing board 4 at least comprises a power supply unit and an AD conversion unit, an analog-to-digital conversion module 7, a first communication interface 12, a front-end wireless communication module and an antenna 11 are fixedly mounted on one side of the radar intermediate frequency processing board 4 from left to right and from top to bottom in sequence, the digital signal processor 8, the central microprocessor 9, the Beidou satellite signal receiving system 5, the power supply voltage stabilizing system 10 and the power supply interface 6, the node radar packaging shell 1, the radar microstrip antenna protective cover 2, the radar microstrip antenna circuit board 3, the radar intermediate frequency processing board 4, the Beidou satellite signal receiving system 5, the power supply interface 6, the analog-digital conversion module 7, the digital signal processor 8, the central microprocessor 9, the power supply voltage stabilizing system 10, the front-end wireless communication module, the antenna 11 and the first communication interface 12 all belong to the front-end radar system of the radar detection system, the front-end radar system of the radar detection system also comprises a terminal and an early warning system, the terminal and the early warning system comprise a communication module 13, a terminal hardware packaging shell 14, a central processor 15, a second communication interface 16, a voice alarm system 17 and a data recording and storage system 18, one side of the terminal hardware packaging shell 14 is provided with an opening, one side edge of the top of the terminal hardware packaging shell 14 close to the opening is provided with the communication module 13 and the voice alarm system 17, the other side edge of the terminal hardware packaging shell 14 is provided with a second communication interface 16, the top of the terminal hardware packaging shell 14 is provided with a second communication module, the terminal fixed terminal, the hardware packaging shell 14 and the lower communication interface 15, the central processing unit and the central processing unit are provided with at least three horizontal partition board 15 and a horizontal partition board for processing unit for the central processing unit; the continuous wave radar obtains the distance information of the target by comparing the difference between the frequency of the echo signal at any moment and the frequency of the transmitting signal at the moment, the distance is in direct proportion to the frequency difference of the echo signal and the frequency of the transmitting signal, and the radial speed and the distance of the target can be obtained after the measured frequency difference of the echo signal and the frequency of the transmitting signal is processed, so that the information such as the speed of a vehicle running on a road and the like can be detected; wherein, the sending and receiving of the radio frequency signal are both completed by the radar microstrip antenna circuit board 3; at a road intersection, a plurality of ad hoc network vehicle personnel traffic radar detection devices are distributed at intervals, and continuous wave radars are arranged in the devices and used for detecting running vehicles and are interconnected with each other in an ad hoc network in a wired mode; when a device detects that a vehicle arrives, the device converts data into signals by using an analog-to-digital conversion module 7 and a digital signal processor 8 based on information such as vehicle speed, vehicle flow and the like, and transmits the vehicle speed and vehicle flow information to a terminal management and early warning system through a front-end wireless communication module, an antenna 11 and a first communication interface 12, the terminal management and early warning system judges and processes the received information through a central processing unit 15, and when an overspeed vehicle exists, the terminal management system automatically intercepts an illegal overspeed video transmitted by a camera; based on the detection and data processing mode, the system realizes the real-time monitoring function of the motor vehicle.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides an ad hoc network traffic radar detection system, includes node radar encapsulation shell (1), radar microstrip antenna safety cover (2), radar microstrip antenna circuit board (3), radar intermediate frequency handles board (4), big dipper satellite signal receiving system (5), power source (6), analog-to-digital conversion module (7), digital signal processor (8), central microprocessor (9), power voltage stabilizing system (10), front end wireless communication module and antenna (11) and first communication interface (12), its characterized in that: a radar microstrip antenna protective cover (2) is arranged on one side of the node radar packaging shell (1), a radar microstrip antenna circuit board (3) is fixedly installed between the radar microstrip antenna protective cover (2) and the node radar packaging shell (1) through screws, the radar microstrip antenna circuit board (3) is arranged on one side of the node radar packaging shell (1), the number of the node radar packaging shells (1) is two, a radar intermediate frequency processing board (4) is fixedly installed on one side of the node radar packaging shell (1) far away from the radar microstrip antenna protective cover (2) between the two node radar packaging shells (1), one side of the radar intermediate frequency processing board (4) is turned right from left and is fixedly provided with an analog-to-digital conversion module (7), a first communication interface (12), a front end wireless communication module and antenna (11), a digital signal processor (8), a central processing unit (9), a Beidou satellite signal receiving system (5), a power supply voltage stabilizing system (10) and a power supply interface (6) from top to bottom in sequence, and the node radar packaging shell (1), a radar microstrip antenna protective cover (2), a radar microstrip antenna circuit board (3), the radar intermediate frequency processing board (4), the Beidou satellite signal receiving system (5), the power supply interface (6), the analog-to-digital conversion module (7), the digital signal processor (8), the radar detection system comprises a central microprocessor (9), a power supply voltage stabilizing system (10), a front-end wireless communication module, an antenna (11) and a first communication interface (12), and further comprises a terminal and an early warning system, wherein the terminal and early warning system comprises a communication module (13), a terminal hardware packaging case shell (14), a central processing unit (15), a second communication interface (16), a voice warning system (17) and a data recording and storing system (18), an opening is formed in one side of the terminal hardware packaging case shell (14), the communication module (13) and the voice warning system (17) are correspondingly arranged on the edge of one side, close to the opening, of the top of the terminal hardware packaging case shell (14), the second communication interface (16) is fixedly arranged on the top of the other side, corresponding to the opening, of the terminal hardware packaging case shell (14), three partition plates are horizontally arranged in the terminal hardware packaging case shell (14), and the two central processing units (15) and the data recording and storing system (18) are sequentially arranged from top to bottom on the three partition plates;
the radar intermediate frequency processing board (4) at least comprises a power supply unit and an AD conversion unit;
the central processing unit (15) at least comprises a signal interface unit, a clock unit, a multiplier unit and an intermediate frequency amplifier unit;
the multiplier unit is used for accelerating the processing of radar signals, the continuous wave radar obtains distance information of a target by comparing the difference between the frequency of an echo signal at any moment and the frequency of a transmitting signal at the moment, the distance is in direct proportion to the frequency difference of the echo signal and the frequency of the transmitting signal at the moment, and the radial speed and the distance of the target can be obtained by processing the measured frequency difference of the echo signal and the frequency of the transmitting signal;
the radio frequency signal is transmitted and received by the radar microstrip antenna circuit board 3, a plurality of ad hoc network vehicle and personnel traffic radar detection devices are distributed at the road intersection at intervals, continuous wave radars are arranged in the ad hoc network vehicle and personnel traffic radar detection devices for detecting running vehicles, and the ad hoc network connection is realized in a wired mode.
2. The ad-hoc network traffic radar detection system of claim 1, wherein: the node radar packaging shell (1) is fixedly connected with the radar microstrip antenna protection cover (2) through bolts.
3. An ad-hoc network traffic radar detection system according to claim 1, wherein: the radar microstrip antenna circuit board (3) comprises a microstrip antenna oscillator, the antenna oscillator is connected with a corresponding pin of the radio frequency chip, and the radar microstrip antenna circuit board (3) and the radar intermediate frequency processing board (4) are connected with each other through an IMSA _9854S connector.
4. An ad-hoc network traffic radar detection system according to claim 1, wherein: the radar intermediate frequency processing board (4) is positioned between the two-node radar packaging shells (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910154427.XA CN109828273B (en) | 2019-03-01 | 2019-03-01 | Ad-hoc network traffic radar detection system |
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| CN201910154427.XA CN109828273B (en) | 2019-03-01 | 2019-03-01 | Ad-hoc network traffic radar detection system |
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| CN109828273B true CN109828273B (en) | 2023-02-24 |
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| CN112114305A (en) * | 2020-08-17 | 2020-12-22 | 西安电子科技大学 | Non-contact river channel radar monitoring method, system, device and application |
| CN112098989B (en) * | 2020-08-17 | 2023-12-22 | 西安电子科技大学 | Non-contact type ring radar control system, method, device and application |
| CN112099012A (en) * | 2020-08-17 | 2020-12-18 | 西安电子科技大学 | Non-contact ad hoc network traffic radar detection method, system, device and application |
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