CN209947101U

CN209947101U - Safety early warning system for traffic

Info

Publication number: CN209947101U
Application number: CN201920845934.3U
Authority: CN
Inventors: 陈刚
Original assignee: JIANGSU YOSUN TECHNOLOGY Co Ltd
Current assignee: JIANGSU YOSUN TECHNOLOGY Co Ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-01-14
Anticipated expiration: 2029-06-04

Abstract

The utility model provides a safety precaution system for traffic, including motor vehicle detecting element, radar, audible and visual alarm unit, a key alarm button, signal processing the control unit, pronunciation intercom unit, video recording equipment, LED indicating unit, door state detection switch, solar control ware and cloud platform management unit. The utility model discloses a motor vehicle driver is slowed down and is walked slowly in the wireless spike scintillation mode of a plurality of solar energy, when pedestrian, non-motor vehicle and motor vehicle appeared simultaneously, triggers video recording equipment and to the current road surface condition video recording and upload the cloud platform, has effectively improved the traffic safety at country road junction.

Description

Safety early warning system for traffic

Technical Field

The utility model relates to a traffic safety field, concretely relates to a safety precaution system for traffic at rural area intersection.

Background

With the rapid development of rural economy, various motor vehicles are rapidly increased, the traffic safety awareness of pedestrians and non-motor vehicles is low, and the incidence of rural motor vehicle traffic accidents caused by the rapid increase trend is in a straight-line rising trend, particularly at intersections where urban and rural main roads without traffic light devices are converged with rural branch roads. Statistics of relevant data show that the number of motor vehicle traffic accidents in rural areas accounts for more than 80% of the total number of all traffic accidents, and 70% of the traffic accidents involve pedestrians and non-motor vehicles. Under such a background, in order to effectively prevent rural traffic accidents, traffic safety early warning systems have become a necessary trend and an important tool for managing and maintaining rural traffic order.

SUMMERY OF THE UTILITY MODEL

The utility model provides a safety precaution system for traffic, the traffic accident of main aim at prevention rural area intersection.

The technical scheme of the utility model as follows:

the utility model provides a safe early warning system for traffic, includes motor vehicle detecting element, radar, audible-visual alarm unit, a key alarm button, signal processing the control unit, pronunciation intercom unit, video recording equipment, LED indicating unit, door state detection switch, solar control ware and cloud platform management unit, motor vehicle detecting element includes 1 or a plurality of wireless geomagnetism, audible-visual alarm unit includes

voice prompt

2, 3 LED red blue combination lamps of group and a plurality of red blue wireless spikes, signal processing unit includes wireless spike transmitting module, earth magnetism receiving module, NB-IOT module, 4G module, GPS module, temperature and humidity sensor and ARM treater, pronunciation intercom unit includes speaker and adapter, cloud platform management unit includes server and 1 or a plurality of terminals.

The number of the radars is 1 or more, the radars are used for detecting the continuous movement tracks of pedestrians and non-motor vehicles in a set area, the working voltage DC12V is used, the working frequency band is 2.4GHZ, the power consumption is less than 3.5W, the positioning distance is 18m-30m, the radars are communicated with the signal processing control unit through RS485, and the baud rate is 9600bps-256000 bps. The motor vehicle detecting unit is composed of 1 or more wireless geomagnetism, the wireless geomagnetism adopts the Lora frequency hopping technology, works at the 433MHZ frequency band, and communicates with the wireless geomagnetism receiving module in a wireless mode.

The sound and light alarm unit comprises a voice prompter for prompting pedestrians and non-motor vehicles, 3 groups of high-brightness LED red and blue combined lamps and a plurality of red and blue wireless spikes for prompting motor vehicle drivers; the red and blue wireless spike nail works in a 433MHZ frequency band, supports 32 configurable channels, is powered by solar energy, supports a wake-up function, is normally in a sleep mode, communicates with the wireless spike nail transmitting module in a wireless mode, wakes up to work when receiving a command of the wireless spike nail transmitting module, and the communication distance can reach 200 m; the voice prompter is powered by DC12V, the volume is adjustable, the pre-installed sound can be changed, the maximum power can reach 30W, and the voice prompter and the signal processing control unit realize intelligent switching through GPIO + MOSFET; the 3 groups of high-brightness LED red and blue combined lamps are powered by DC12V and are intelligently switched on and off through GPIO + MOSFET with the signal processing control unit.

The one-key alarm button is used for rapidly alarming through the one-key alarm button when an emergency occurs in a field, simultaneously triggering the video recording equipment to start video recording and starting the voice intercom unit to realize real-time voice intercom between an alarm person and a public security department, uploading the video to a cloud platform through the NB-IOT module, and obtaining evidence when necessary, wherein the one-key alarm button is a metal switch and realizes intelligent detection through GPIO + MOSFET with the signal processing control unit; the video equipment is a gunlock or a ball machine, adopts DC12V to supply power, and triggers a video control line through GPIO + MOSFET; the voice intercom unit comprises 1 30W or 2 15W loudspeakers with impedance of 4 ohms and 2 high-sensitivity sound pickups capable of picking up sound within 5 m.

The signal processing control unit adopts an ARM processor, communicates with the wireless geomagnetic module through RS232, has a baud rate of 57600bps, communicates with the NB-IOT module through a UPAT TTL interface, has a baud rate of 9600bps, communicates with the wireless spike transmitting module through a hardware SPI, and has a communication rate of 600 KHZ.

The LED indicating unit consists of a plurality of LED lamps, is used for indicating the working states of the power supply and each module, and is directly connected with the signal processing control unit through GPIO.

The gate state detection switch comprises 2 normally open switches, is used for detecting the opening or closing state of the upper gate and the lower gate of the device, and is directly connected with the signal processing control unit through a GPIO (general purpose input/output).

The cloud platform centralized management unit is used for centrally managing a plurality of devices, performing point-to-point management, performing data centralized statistics, monitoring the system running state of the devices, performing abnormal alarm and performing remote maintenance and upgrading on the devices.

Each red and blue wireless spike adopts independent solar power supply, supports the awakening function, is normally in a low power consumption mode, and awakens to work when receiving an infinite spike transmitting module command.

The voice prompter can adjust the volume according to the actual crossing environment, the preassembly prompt tone can be changed, and the default storage prompt tone is 'car presence, attention safety'.

The solar controller is used under a solar power supply system.

Compared with the prior art, the technical scheme has the following advantages:

according to the scheme, the wireless geomagnetic induction system based on the Lora frequency hopping technology is adopted for detecting the motor vehicle, the detection accuracy is high, the environment adaptability is strong, the wireless frequency can be automatically switched when the interference exists in the detection distance range, and compared with the traditional coil detection, the wireless geomagnetic sensor has the advantages of small size, convenience in installation, small damage to the road surface, long service life and low maintenance cost;

the system design of the scheme adopts integration, and all parts are convenient to disassemble and easy to maintain;

the scheme adopts a voice prompt mode and an LED lamp flashing mode to prompt pedestrians or non-motor vehicle drivers to pay attention to vehicles ahead, and simultaneously prompts the motor vehicle drivers to slow down and walk in a flashing mode through a plurality of solar wireless spikes, so that the display effect is obvious, and particularly at night of multiple traffic accidents; in addition, when pedestrians, non-motor vehicles and motor vehicles simultaneously appear, the video equipment is triggered to record the current road condition and upload the recorded video to the cloud platform, so that the public security department can obtain evidence when needing, and the system plays a role in protecting driving and navigation for safe travel of people on rural roads;

the scheme is provided with a one-key alarm button, and provides an all-directional and all-weather security system for citizens.

The early warning system combines the communication between the ground devices and the cloud platform, and well solves the problem of centralized operation and maintenance management of a plurality of devices. In order to meet the safety precaution system combining people's air defense, technical defense and physical defense, the early warning system is provided with a one-key alarm button, so that all-around and all-weather safety precaution services are provided for the majority of citizens, the requirements of modern development are met, the centralized management and operation and maintenance of the system are facilitated, and unnecessary manpower is reduced.

Drawings

Fig. 1 is a block diagram of the traffic safety warning system of the present invention.

Fig. 2 is a schematic view of the solar power supply system of the present invention.

Fig. 3 is a schematic diagram of an application scheme of the present invention.

Detailed Description

Embodiments of the present invention will be described with reference to fig. 1-3.

As shown in FIG. 1, the utility model provides a safety precaution system for traffic, which comprises a motor vehicle detection unit 6, a radar 1, an audible and visual alarm unit 5, a one-key alarm button 8, a signal processing control unit 12, a voice intercommunication unit 21, a video recording device 10, an LED indication unit 7, a door state detection switch 9, a solar controller 11 and a cloud platform management unit 24, the motor vehicle detection unit 6 comprises 1 or more wireless geomagnetism 61, the sound and light alarm unit 5 comprises a

voice prompter

2, 3 groups of LED red-blue combined lamps 3 and a plurality of red-blue wireless spikes 4, the signal processing unit 12 comprises a wireless spike transmitting module 15, a geomagnetic receiving module 16, an NB-IOT module 13, a 4G module 14, a GPS module 17, a temperature and humidity sensor 18 and an ARM processor 121, the voice talkback unit 21 comprises a loudspeaker 19 and a sound pickup 20, and the cloud platform management unit 24 comprises a

server

22 and 1 or more terminals 23.

The motor vehicle detection unit 6 is in wireless communication with the geomagnetic reception module 16, preferably in 433MHz wireless communication; the radar 1 and the solar controller 11 are communicated with the signal processing control unit 12 in a wired mode, preferably in an RS485 interface mode; the radar 1 is also directly connected with a load voltage output end of the solar controller; the voice prompter 2, the 3 groups of LED red and blue combined lamps 3 and the video equipment 10 are connected with the signal processing control unit 12 through GPIO + MOSFET tubes, and the video equipment 10 is preferably a ball machine or a gun machine; the one-key alarm button 8, the LED indicating unit 7 and the door state detection switch 9 are all connected with the signal processing control unit 12 through GPIO; the wireless spike 4 is communicated with the wireless spike transmitting module 15 in a wireless transmission mode, preferably a 433M wireless transmission mode; the loudspeaker 19 and the sound pick-up 20 are connected to the signal processing control unit 12 and used for quickly contacting with a command center of the police department 110 to perform voice alarm after starting one-key alarm.

The wireless geomagnetism 61 detects vehicles through magnetic fields, adopts a Lora frequency hopping wireless technology, has a communication frequency band of 433MHZ, and has the functions of flow detection, queuing detection, overflow prevention detection, vehicle speed detection and the like; the utility model is mainly used for the flow detection of vehicles, and has small volume, the size is 105mm in diameter and the height is 85 mm; the installation is convenient, the detection radius is 2m, a hole with the diameter of 120mm and the depth of about 90mm is drilled in the center of a lane (urban and rural main roads) of a vehicle to be detected during installation, the hole is placed in the center and the surface of the hole is filled with glue or sealed by cement, and only one geomagnetic field is needed for one lane; the lithium secondary battery with 38AH and 3.6VDC is adopted for power supply, so that the power consumption is low, the standby power consumption is less than 1mw, the continuous working can be carried out for more than 5 years, and the maintenance cost is low; the stability is good, the environment adaptability is strong, the communication distance can reach 350m, and the geomagnetic acceptance module 16 and the geomagnetic acceptance module are ensured to be kept within 350m during installation; the dynamic detection accuracy rate is more than or equal to 99.9%, and when the vehicle passes through the dynamic detection accuracy rate, the data are sent to the geomagnetic acceptance module 16 within 40 ms; the safety protection standard of IP68 is met, the shell is made of nylon, the waterproof and moistureproof performance is achieved, and the maximum pressure bearing capacity is 10 tons. The geomagnetic receiving module 16 can receive data of 1-5 wireless geomagnetisms at the same time, the specific number of the wireless geomagnetisms is determined according to the number of lanes required to be detected at the actual intersection, and before the wireless geomagnetism is used, a working mode needs to be configured for the wireless geomagnetism through a configuration tool.

The plurality of red and blue wireless spikes 4 are solar wireless spikes, the solar wireless spikes are powered by 2 sections of 600mAH and 1.2V rechargeable batteries, a solar panel is arranged at the top of the spikes, the batteries can be charged by the solar panel in daytime, LED lamp beads are arranged at two sides of the spikes, a reflector is arranged outside the lamp beads, each spike is fixed at two sides of a lane by two cement nails, one side of each spike can be installed along a lane dividing line, the distance between every two spikes is 10-30m during installation, 5-10 wireless spikes can be installed at each side of the lane, in order to enhance the prompt effect, the red lamp bead spikes and the blue lamp bead spikes are alternately installed, a 433MHZ wireless receiving module is arranged in each spike, the spikes are provided with 32 configurable communication channels, the communication distance can reach 200m, the communication distance between each solar wireless spike and the wireless spike transmitting module 15 can be kept within 200m, the awakening function is supported, and the solar wireless spikes are normally in a dormant state, and starting the awakening operation when receiving the command of the wireless spike transmitting module 15.

As shown in fig. 2, in the solar power supply system of the present invention, the solar matrix 25 is installed at the top of the system box, and directly connected to the solar controller 11 through the lightning protection device 26, the solar matrix 25 is installed in the south direction, and the local dimension is increased by about 3 degrees with the ground angle, so as to collect solar energy. The solar battery 28 is connected with the solar controller 11 through the air switch 27, converts the collected solar energy into electric energy and stores the electric energy, and supplies power to the radar 1, the voice prompter 2, the LED red and blue combined lamp 3, the signal processing control unit 12, the loudspeaker 19 and the video recording device 10.

The system comprises 1 or more radars 1, an ARM processor 121, a plurality of sensors and a plurality of sensors, wherein the radars 1 are used for detecting continuous movement tracks of pedestrians and non-motor vehicles in a set area, the working voltage is DC12V, the working frequency band is 2.4GHZ, the capture rate is 99%, the power consumption is less than 3.5W, the positioning distance is 18m-30m, the radars are communicated with the ARM processor 121 through RS485, the baud rate is 9600bps-256000bps adjustable, an RS485 line adopts a twisted pair shielding type, a shielding layer is grounded, a terminal resistor is added when the transmission distance exceeds 300m, and the conventional value is 120 ohms; during installation, in order to achieve the best detection and tracking effect, the upper edge of a radar is ensured to be horizontal, judgment can be carried out through horizontal bubbles on a shell of the radar, in addition, a radar beam is ensured to completely cover a required detection area, a radar installation pitch angle and an azimuth angle are jointly determined, the pitch angle is an included angle between a normal line of a radar front cover and a horizontal line, direct measurement can be carried out by means of a protractor, specific angles are set according to actual conditions, the azimuth angle refers to an included angle between the normal line of the radar front cover and the vehicle running direction, and the pitch angle and the azimuth angle are too large or too small and influence target tracking, so that the detection accuracy is reduced.

As shown in fig. 3, the system works according to the following principle: after the equipment is powered on, the signal processing control unit 12, the video recording equipment 10, the radar 1 and the wireless geomagnetism 61 are always in a working mode, the radar 1 and the wireless geomagnetism 61 continuously detect pedestrians, non-motor vehicles and motor vehicles, when targets appear in one direction, the system does not process, when the detected targets appear simultaneously, the

voice prompters

3 and 3 groups of LED red-blue combined lamps start to work to prompt pedestrians and non-motor vehicle drivers that vehicles appear at intersections in front of the drivers and continuously track the targets, meanwhile, the wireless spike transmitting module 15 sends commands to awaken all red-blue wireless spikes 4 to start to work to prompt the drivers to slow down and walk slowly, in addition, the video recording equipment 10 is triggered to start video recording and upload to a cloud platform in idle time, and when the acousto-optic alarm unit 5 continuously works for a certain time, the drivers continue to enter a dormant; after the NB-IOT module 13 successfully camps on the network, it first sends the current device operation state data to the cloud platform to activate the connection with the cloud platform, and then sends the device operation state to the cloud platform periodically every 30 minutes, or performs some remote operations on the system through the cloud platform, such as restarting; when an emergency occurs in the field, the police can quickly get in touch with a command center of the police department 110 through a one-key alarm button, meanwhile, the voice talkback unit 21 is started, the video equipment 10 is triggered, so that the field situation can be accurately known, the alarm person and the like can be recorded, the police department can quickly position through equipment numbers, and nearby policemen or patrol policemen are arranged to go to the field for disposal.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that they can still modify the embodiments of the present invention or substitute some technical features without departing from the spirit of the present invention, and all should be interpreted as covering the scope of the claims of the present invention.

Claims

1. The utility model provides a safe early warning system for traffic, its characterized in that, includes motor vehicle detecting element, radar, audible-visual alarm unit, a key alarm button, signal processing the control unit, pronunciation intercom unit, video recording equipment, LED indicating unit, door state detection switch, solar control ware and cloud platform management unit, motor vehicle detecting element includes 1 or a plurality of wireless earth magnetism, audible-visual alarm unit includes voice prompt 2, 3 LED red blue combination lamps and a plurality of red blue wireless spikes, signal processing the control unit includes wireless spike emission module, earth magnetism receiving module, NB-IOT module, 4G module, GPS module, temperature and humidity sensor and ARM treater, pronunciation intercom unit includes speaker and adapter, cloud platform management unit includes server and 1 or a plurality of terminal.

2. A safety precaution system for traffic as claimed in claim 1, characterized in that: the number of the radars is 1 or more, the radars are used for detecting the continuous movement tracks of pedestrians and non-motor vehicles in a set area, the working voltage DC12V is used, the working frequency band is 2.4GHZ, the power consumption is less than 3.5W, the positioning distance is 18m-30m, the radars are communicated with the signal processing control unit through RS485, and the baud rate is 9600bps-256000 bps.

3. A safety precaution system for traffic as claimed in claim 1 or 2, characterized in that: the motor vehicle detecting unit is composed of 1 or more wireless geomagnetism, the wireless geomagnetism adopts the Lora frequency hopping technology, works at the 433MHZ frequency band, and communicates with the wireless geomagnetism receiving module in a wireless mode.

4. A safety precaution system for traffic as claimed in claim 3, characterized in that: the sound and light alarm unit comprises voice prompters for prompting pedestrians and non-motor vehicles, 3 groups of high-brightness LED red and blue combined lamps and a plurality of red and blue wireless spikes for prompting motor vehicle drivers; the red and blue wireless spike nail works in a 433MHZ frequency band, supports 32 configurable channels, is powered by solar energy, supports a wake-up function, is normally in a sleep mode, communicates with the wireless spike nail transmitting module in a wireless mode, wakes up to work when receiving a command of the wireless spike nail transmitting module, and the communication distance can reach 200 m; the voice prompter is powered by DC12V, the volume is adjustable, the pre-installed sound can be changed, the maximum power can reach 30W, and the voice prompter and the signal processing control unit realize intelligent switching through GPIO + MOSFET; the 3 groups of high-brightness LED red and blue combined lamps are powered by DC12V and are intelligently switched on and off through GPIO + MOSFET with the signal processing control unit.

5. A safety precaution system for traffic as claimed in claim 4, characterized in that: the one-key alarm button is used for rapidly alarming through the one-key alarm button when an emergency occurs in a field, simultaneously triggering the video recording equipment to start video recording and starting the voice intercom unit to realize real-time voice intercom between an alarm person and a public security department, uploading the video to a cloud platform through the NB-IOT module, and obtaining evidence when necessary, wherein the one-key alarm button is a metal switch and realizes intelligent detection through GPIO + MOSFET with the signal processing control unit; the video equipment is a gunlock or a ball machine, adopts DC12V to supply power, and triggers a video control line through GPIO + MOSFET; the voice intercom unit comprises 1 30W or 2 15W loudspeakers with impedance of 4 ohms and 2 high-sensitivity sound pickups capable of picking up sound within 5 m.

6. A safety precaution system for traffic as claimed in claim 5, characterized in that: the signal processing control unit adopts an ARM processor, communicates with the wireless geomagnetic module through RS232, has a baud rate of 57600bps, communicates with the NB-IOT module through a URAT TTL interface, has a baud rate of 9600bps, communicates with the wireless spike transmitting module through a hardware SPI, and has a communication rate of 600 KHZ.

7. A safety precaution system for traffic as claimed in claim 6, characterized in that: the LED indicating unit consists of a plurality of LED lamps, is used for indicating the working states of the power supply and each module, and is directly connected with the signal processing control unit through GPIO.

8. A safety precaution system for traffic as claimed in claim 7, characterized in that: the gate state detection switch comprises 2 normally open switches, is used for detecting the opening or closing state of the upper gate and the lower gate of the device, and is directly connected with the signal processing control unit through a GPIO (general purpose input/output).

9. A safety precaution system for traffic as claimed in claim 8, characterized in that: the cloud platform centralized management unit is used for centrally managing a plurality of devices, performing point-to-point management, performing data centralized statistics, monitoring the system running state of the devices, performing abnormal alarm and performing remote maintenance and upgrading on the devices.