CN216211540U - Intelligent high-speed safe intelligent guidance system of wisdom - Google Patents
Intelligent high-speed safe intelligent guidance system of wisdom Download PDFInfo
- Publication number
- CN216211540U CN216211540U CN202122578473.8U CN202122578473U CN216211540U CN 216211540 U CN216211540 U CN 216211540U CN 202122578473 U CN202122578473 U CN 202122578473U CN 216211540 U CN216211540 U CN 216211540U
- Authority
- CN
- China
- Prior art keywords
- ramp
- main road
- power supply
- indicating lamp
- preset area
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Traffic Control Systems (AREA)
Abstract
The application relates to a high-speed safe intelligent bootstrap system of wisdom relates to traffic technical field, and it includes: a power supply for providing a voltage; the ramp indicating lamp group is connected with a power supply and is arranged in a first preset area of the ramp close to the junction at equal intervals; the main road vehicle detection module is connected with the power supply, arranged in a second preset area of the main road close to the intersection and used for detecting whether vehicles exist in the second preset area or not, and sending a first detection signal if the vehicles exist; the controller is connected with the ramp indicating lamp set, the main road vehicle inspection module and the power supply and is used for receiving a first detection signal sent by the main road vehicle inspection module and outputting a corresponding first reaction signal; the ramp indicating lamp group responds to a first response signal sent by the controller. The problem of night ring road vehicle at highway junction accident easily is solved in this application, have the effect of instructing, reducing night crossing position accident probability at night.
Description
Technical Field
The application relates to the technical field of traffic, in particular to an intelligent high-speed safe and intelligent guiding system.
Background
Since the speed of vehicles traveling on highways is generally fast, traffic accidents are very disastrous when the speed of vehicles traveling is fast, and reducing the occurrence of accidents on highways is a subject sought by people. The bus collection point of the expressway always belongs to an accident frequent area, and the reason is that when vehicles on a ramp drive into a main road, the speed of the vehicles on the main road is high, the vehicles on the ramp are not in time, and the vehicles on the ramp are easy to collide with the vehicles on the main road, and the like. Particularly, when the vehicle runs at night, the attention of the vehicle owner is reduced at night, and the probability of traffic accidents occurring in the process that vehicles on the ramp converge into the main road is higher.
At present, road static mark lines, light-emitting induction equipment and the like are arranged at the junction positions of expressways, the junction positions are identified, and ramp vehicles can find and notice the identification when merging into a main road in the daytime, so that the occurrence of accidents in the daytime is favorably reduced.
However, when the vehicle is driven at night, the identification degree of the marked line is reduced, the light-emitting induction equipment has limited prompt to the driver, the ramp driver can only judge that the ramp exit is arranged in front of the ramp, the ramp driver cannot effectively avoid the vehicle driven from the main road in time, and the safety problem of driving at night cannot be well solved.
SUMMERY OF THE UTILITY MODEL
In order to reduce the probability of accidents of ramp vehicles at the junction of the highway at night, the intelligent high-speed safe guiding system is realized in the following mode.
A power supply for providing a voltage;
the ramp indicating lamp group is connected with a power supply and is arranged in a first preset area of the ramp close to the junction at equal intervals;
the main road vehicle detection module is connected with the power supply, arranged in a second preset area of the main road close to the intersection and used for detecting whether vehicles exist in the second preset area or not, and sending a first detection signal if the vehicles exist;
the controller is connected with the ramp indicating lamp group, the main road vehicle inspection module and the power supply and is used for receiving a first detection signal sent by the main road vehicle inspection module and outputting a corresponding first reaction signal;
the ramp indicating lamp group responds to a first reaction signal sent by the controller.
Through the technical scheme, when vehicles on the ramp are about to drive to the first preset area at night, the main road vehicle inspection module can detect the vehicles in the second preset area on the main road, when no vehicle is on the main road, the controller outputs a first reaction signal as a closing signal, the ramp indicating lamp group responds to the closing signal, the yellow lamp is on, road information prompt is carried out on the vehicles on the ramp, and a junction is arranged in front of the ramp and can drive out of the ramp; when vehicles drive from a second preset area on the main road, the main road vehicle inspection module detects that vehicles of the main road exist on the road section, a first detection signal is transmitted into the controller, the controller outputs a first reaction signal as an opening signal, the ramp indicating lamp group responds to the opening signal, the yellow lamp is turned off, the red lamp is turned on, and the warning ramp vehicles drive from the intersection at the moment and are timely avoided. When no vehicle exists, prompting the ramp vehicle; when vehicles exist, the ramp vehicles are warned, so that the ramp vehicles can avoid in time, the warning is obvious, the driver alertness is improved, and the accidents are effectively reduced.
Optionally, the main road indicating lamp set is connected to the power supply and is arranged in a second preset area of the main road close to the intersection at equal intervals;
the ramp vehicle detection module is connected with the power supply, arranged in a first preset area of the ramp close to the intersection and used for detecting whether vehicles exist in the first preset area or not, and sending a second detection signal if the vehicles exist;
the controller is connected with the main road indicating lamp set, the ramp vehicle inspection module and the power supply and is used for receiving a second detection signal and outputting a corresponding second reaction signal;
and the main road indicating lamp group responds to a second reaction signal sent by the controller.
By adopting the technical scheme, the main road is provided with a set of equipment similar to the ramp to prompt the vehicles on the main road. The ramp vehicle inspection module detects vehicles running in a first preset area of the ramp in real time, when no vehicle comes from the ramp, the ramp vehicle inspection module cannot detect the vehicles, a second reaction signal output by the controller is a closing signal, a yellow lamp of the main road indicator lamp set is turned on, and the vehicles coming from the main road are prompted to enter the intersection; when vehicles come from the ramp, the ramp vehicle inspection module detects that the ramp vehicles send out second detection signals, the second reaction signals output by the controller are opening signals, the main road indicating lamp set responds to the fact that the yellow lamp is turned off, the red lamp is turned on, the main road vehicles are warned, and the ramps are provided with the vehicles to go and pay attention to avoiding. When the vehicles on the ramp and the vehicles on the main road run to the intersection, the vehicles on the ramp and the vehicles on the main road are all warned by light, and measures are taken on the two sides, so that the probability of accidents is reduced.
Optionally, the main road vehicle inspection module and the ramp vehicle inspection module are both set as microwave radar detectors.
By adopting the technical scheme, the microwave radar detector can detect the vehicle in real time, and the corresponding indicating lamp bank reacts in real time, so that the vehicle can take measures, accidents are reduced, and timeliness is higher; meanwhile, the microwave radar detector can measure the running speed of the vehicle in real time, so that the speed can be displayed on the variable information board.
Optionally, the loudspeaker is arranged in a first preset area of the ramp, which is close to the junction; the loudspeaker is connected with the controller and the power supply, and responds to and indicates the first reaction signal sent by the controller.
By adopting the technical scheme, when a vehicle drives on the main road, the visual prompt is adopted, the controller can control the loudspeaker to whistle, the ramp driver is warned in the sense of hearing, and the possibility that the driver receives the dangerous warning is higher.
Optionally, the first variable information board is disposed in the first preset area, connected to the main lane detection module, the ramp vehicle detection module, and the power supply, and configured to display the first detection signal.
By adopting the technical scheme, the running speed of the main road vehicle and the running speed of the ramp vehicle are displayed on the variable information board in real time, and the information received by a driver is more specific and more timely.
Optionally, the weather detection module is connected to the power supply and is used for detecting current weather and outputting weather information, and the first variable information board is connected to the weather detection module and displays the weather information.
Through adopting above-mentioned technical scheme, the real-time meteorological data that the meteorological detection module acquireed show on first variable information board, reduce the influence of environment to accident frequency.
Optionally, the automatic control unit includes:
the illumination detection module is used for detecting illumination intensity and outputting light intensity information, when the light intensity information is greater than reference intensity information, a closing signal is output, and when the light intensity information is less than or equal to the reference intensity information, an opening signal is output;
the power supply is connected to the illumination detection module, responds to the turn-on signal and supplies power to the ramp indicating lamp set and the main road indicating lamp set, and responds to the turn-off signal and supplies power to the ramp indicating lamp set and the main road indicating lamp set.
By adopting the technical scheme, when the illumination is strong in the daytime, the ramp indicating lamp group and the main road indicating lamp group are completely extinguished and do not work, and the power supply starts to work when the illumination is weak, so that the power supply is saved.
Optionally, the second variable information board is disposed on the boundary of the second preset area, connected to the power supply, the weather detection module, the main road vehicle inspection module and the ramp vehicle inspection module, and configured to display the first detection signal and the weather information.
By adopting the technical scheme, the second variable information board warns vehicles which are about to run to the second preset area on the main road in advance, and the second variable information board can prevent the situation that the vehicles on the main road are too late to take measures to avoid when the vehicles are close to the intersection.
In conclusion, the utility model has the following beneficial effects:
1. by adopting the main road vehicle inspection module, the ramp vehicle inspection module, the controller, the ramp indicating lamp group and the main road indicating lamp group, the function of timely carrying out lamp change prompt when vehicles drive at the intersection is realized.
2. By adopting the main road vehicle inspection module, the ramp vehicle inspection module, the weather detection module and the variable information board, the functions of measuring the speed of vehicles and displaying the speed and the weather information of the vehicles are realized.
3. By adopting the automatic control unit, the functions of saving power and prolonging the service life of the battery are realized.
Drawings
FIG. 1 is a block diagram of an intelligent high-speed secure intelligent guidance system;
FIG. 2 is a schematic diagram of an installation of an intelligent high-speed secure intelligent guidance system;
FIG. 3 is a connection diagram of a ramp control system of an intelligent high-speed safety guidance system;
FIG. 4 is a connection diagram of a main road control system of an intelligent high-speed safe intelligent guidance system;
FIG. 5 is a connection diagram of a smart high-speed secure intelligent guidance system;
FIG. 6 is a diagram of a connection between weather detection modules of an intelligent high-speed secure intelligent guidance system;
FIG. 7 is a schematic diagram of an automatic control unit of the intelligent high-speed secure intelligent guidance system.
Detailed Description
The following application is described in further detail with reference to the accompanying drawings.
The embodiment of the application discloses an intelligent high-speed safe intelligent guiding system, which refers to fig. 1 and comprises a power supply, a controller, a display device and a detection device; the controller, the display equipment and the detection equipment are all connected to a power supply; the detection equipment comprises a main road vehicle detection module, a ramp vehicle detection module and a weather detection module; the display equipment comprises a main road indicating lamp set, a ramp indicating lamp set and a loudspeaker.
Referring to fig. 2, the ramp indicating lamp sets are arranged in a first preset area of the ramp close to the junction, and the main road indicating lamp sets are arranged in a second preset area of the main road close to the junction at equal intervals; the ramp indicating lamp group is formed by connecting a plurality of ramp indicating lamps in parallel, the main road indicating lamp group is formed by connecting a plurality of main road indicating lamps in parallel, and each ramp indicating lamp and each main road indicating lamp are respectively composed of a red bulb and a yellow bulb.
The main road vehicle detection module is arranged in a second preset area of the main road close to the intersection and used for detecting whether vehicles exist in the second preset area or not, if yes, a first detection signal is sent out, and if not, the first detection signal is not sent out; the ramp vehicle inspection module is arranged in a first preset area of the ramp, close to the intersection, and is used for detecting whether vehicles exist in the first preset area or not, if so, a second detection signal is sent out, and if not, the second detection signal is not sent out.
The main road vehicle inspection module and the ramp vehicle inspection module both adopt microwave radar detectors, the microwave radar detectors near the intersection send carrier waves with certain frequency to a far position, electromagnetic waves are transmitted to the surface of a running automobile to be reflected back and received by a radar receiving device, and whether vehicles pass or not can be judged according to the frequency shift between the return waves and the transmitted waves. If the frequency shift quantity exists, the movement speed of the measured object can be obtained by calculation according to the received frequency shift quantity, and therefore the microwave radar detector sends out a detection signal.
The loudspeaker is arranged in a first preset area of the ramp close to the junction and connected with the controller.
The first variable information board is arranged in a first preset area and connected with the main road vehicle inspection module, the ramp vehicle inspection module and the weather detection module.
Referring to fig. 3, the controller is connected to the main track vehicle inspection module, the ramp indicating lamp set, the power supply and the speaker, receives a first detection signal sent by the main track vehicle inspection module, and outputs a first response signal, where the first response signal is a turn-off signal when the first detection signal is not received; when the first detection signal is received, the first response signal response is an opening signal.
The ramp indicating lamp group and the loudspeaker respond to a first reaction signal sent by the controller; when a first reaction signal of the controller transmits a starting signal, the ramp indicating lamp group responds that the red lamp is turned on, the yellow lamp is turned off, and the loudspeaker sounds a whistle; when the first response signal of the controller is a closing signal, the ramp indicating lamp group responds that the red lamp is turned off, the yellow lamp is turned on, and the loudspeaker is muted.
When no vehicle in the main road runs in the second preset area, the microwave radar detector of the main road vehicle inspection module cannot detect the vehicle and does not send out a first detection signal, the first reaction signal output by the controller is an off signal, a yellow light of the ramp indicating lamp group is on, a loudspeaker is muted, the vehicle is not warned, the yellow light prompts that the ramp vehicle arrives at the intersection and is about to run out of the ramp, the vehicle is illuminated, and a driver is ready to run out of the ramp in advance.
When a vehicle on the main road drives to a second preset area, a microwave radar detector of a vehicle inspection module of the main road detects that the vehicle drives, vehicle speed information is sent to a controller by a first detection signal, the controller outputs a first reaction signal as a starting signal by means of program logic, a ramp indicating lamp set and a loudspeaker respond to the first reaction signal, a yellow lamp is turned off, a red lamp is turned on, the situation that the vehicle on the main road drives at an intersection of a driver driving on a ramp is prompted, the driver pays attention to early deceleration for avoiding, and meanwhile, the loudspeaker receives the starting signal to send out warning sound, the driver driving on the ramp can take measures such as deceleration, and traffic accidents are effectively avoided.
Referring to fig. 4, the controller is connected to the ramp vehicle inspection module and the main lane indicator light set, the ramp vehicle inspection module detects information of vehicles running in a first preset area of the ramp, and if there are vehicles, the ramp vehicle inspection module sends a second detection signal to the controller, and the controller sends a second response signal. The controller receives the second detection signal and outputs a second reaction signal as a starting signal; and if the transmitted second detection signal is not received, outputting a second response signal as a closing signal.
The main road indicating lamp group responds to a second reaction signal of the controller, when no vehicle exists in the first preset area of the ramp, a second detection signal is not sent, the second reaction signal of the controller outputs a closing signal to control a yellow lamp of the main road indicating lamp group to be on, if no vehicle exists all the time, the second reaction signal is kept as the closing signal, and the yellow lamp is on for a long time until the vehicle exists in the first preset area of the ramp.
When vehicles on the ramp drive into the first preset area, the second detection signal transmits the detected information of the running vehicles into the controller, the second reaction signal output by the controller is changed into an on signal, a yellow light of the main road indicating lamp group is turned off, and a red light is turned on; when the vehicle does not pass through the intersection, the microwave radar detector receives data in real time, the second response signal continuously outputs an opening signal, the red light is normally on, the vehicle running near the intersection of the main road is warned, the vehicle running on the ramp is noticed to avoid, and the speed is reduced in advance.
Referring to fig. 5, the first variable information board is connected to the main track inspection module, the ramp inspection module and the power supply, and the second variable information board is connected to the main track inspection module, the ramp inspection module and the power supply; the first variable information board and the second variable information board respond to the first detection signal and the second detection signal and are used for displaying the vehicle speed information of the main road and the ramp.
The first variable information board is arranged at the junction and dynamically displays the vehicle information of the main road and the ramp; the second variable information board is arranged on the boundary of a second preset area of the main road, vehicles coming to the intersection on the straight road can know the vehicle speed of the intersection through the second variable information board, early warning is carried out to carry out measures of braking and decelerating, emergency braking is avoided when the vehicles arrive near the intersection, risks are avoided in advance, and the probability of accidents can be further reduced through the second variable information board.
Referring to fig. 6, the weather detection module is connected to the power supply, the first variable information board and the second variable information board for detecting the current weather information, and outputting the detected weather information to the first variable information board and the second variable information board, the first variable information board and the second variable information board display the current weather information, and in rainy or snowy days or other conditions affecting the driving of the vehicle, the driver can pay attention to the weather information to make corresponding adjustment measures, thereby reducing the traffic accidents caused by the influence of severe weather.
Referring to fig. 7, the intelligent high-speed safe and intelligent guidance system according to the embodiment of the present application further includes an automatic control unit, where the automatic control unit includes an illumination detection module, a power supply, a ramp indicating lamp set and a main road indicating lamp set.
The illumination detection module includes photo resistor R1, resistance R2, triode Q1 and relay, triode Q1 is NPN type triode, triode Q1's base other end ground connection is connected to photo resistor R1 one end, triode Q1's base is connected to resistance R2 one end, power VCC is connected to one end, the circular telegram coil of relay is connected to triode Q1's projecting pole, power VCC is connected to the collecting electrode, power VCC is connected to the ramp indicating lamp group and main road indicating lamp group one end connection power VCC one end through the switch ground connection of relay.
The illumination detection module is used for detecting illumination intensity and outputting light intensity information, when the illumination is strong in the daytime, the light intensity information is larger than the reference intensity information, a closing signal is output, the triode Q1 is cut off, the electrified coil of the relay is not electrified, the switch is disconnected, and the ramp indicating lamp set and the main road indicating lamp set are not electrified; when the light intensity information is less than or equal to the reference information, the illumination detection module outputs a starting signal, the triode Q1 is conducted, the electrifying coil of the relay is electrified, the switch is closed, the ramp indicating lamp set and the main road indicating lamp set are powered on to start normal work, the ramp indicating lamp set responds to a first detection signal of the controller, and the main road indicating lamp set responds to a second detection signal of the controller; the automatic control unit can save power resources when unnecessary in the daytime, and the service life of the battery is prolonged.
The implementation principle of the embodiment is as follows: at night and when the illumination intensity is weak, when no automobile runs on the main road or the automobile does not run to the position near the intersection, the main road vehicle inspection module cannot detect the information of the automobile, the controller outputs a first reaction signal as a turn-off signal, the ramp indicator lamp is turned on in yellow and turned off in red, and the ramp exit is prompted in front of the automobile.
When a vehicle on the main road is about to run to a road intersection, the main road vehicle inspection module detects and acquires the running information of the vehicle in real time and sends a first detection signal to the controller, the controller sends a first reaction signal to control the yellow light of the ramp indicating lamp group to be turned off and the red light to be turned on, and meanwhile, the loudspeaker whistles to warn the driver running on the ramp so as to remind the driver to avoid in advance.
When no automobile runs on the ramp or the automobile does not run to the position near the intersection, the second reaction signal output by the controller is a closing signal, and the main road indicating lamp set is controlled to be turned on in yellow and turned off in red, so that the condition that the ramp exit is arranged in front of the main road vehicle is only prompted.
When the vehicles on the ramp drive to the position near the road intersection, the ramp vehicle inspection module detects the information and the speed of the vehicles on the ramp, the controller outputs a second reaction signal as a starting signal to control the yellow light to turn off the red light and light up, the vehicles on the main road are warned, the vehicles on the ramp are about to drive into the main road, and the vehicles on the main road are avoided in time.
The first response information board and the second response information board display the weather information sent by the weather data module, the driving speed of the main road vehicle and the driving speed of the ramp vehicle in real time, and prompt the driving vehicles of the two lanes.
When the illumination intensity is stronger in daytime, the illumination detection module outputs a closing signal, the ramp indicating lamp set and the main road indicating lamp set do not have power supplies and do not work, the yellow lamp and the red lamp are both turned off, and other equipment is normally powered on and normally works. The suggestion of pilot lamp daytime is limited, and can cause visual effect to the coming and going vehicle, cancels the power supply of pilot lamp group daytime, effectively reduces unnecessary electric power resource waste, extension battery life.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.
Claims (8)
1. The utility model provides a high-speed safe intelligent bootstrap system of wisdom, includes, its characterized in that:
a power supply for providing a voltage;
the ramp indicating lamp group is connected with a power supply and is arranged in a first preset area of the ramp close to the junction at equal intervals;
the main road vehicle detection module is connected with the power supply, arranged in a second preset area of the main road close to the intersection and used for detecting whether vehicles exist in the second preset area or not, and sending a first detection signal if the vehicles exist;
the controller is connected with the ramp indicating lamp group, the main road vehicle inspection module and the power supply and is used for receiving a first detection signal sent by the main road vehicle inspection module and outputting a corresponding first reaction signal;
the ramp indicating lamp group responds to a first reaction signal sent by the controller.
2. The intelligent high-speed secure intelligent guidance system of claim 1, wherein:
the main road indicating lamp group is connected with the power supply and is arranged in a second preset area of the main road close to the intersection at equal intervals;
the ramp vehicle detection module is connected with the power supply, arranged in a first preset area of the ramp close to the intersection and used for detecting whether vehicles exist in the first preset area or not, and sending a second detection signal if the vehicles exist;
the controller is connected with the main road indicating lamp set, the ramp vehicle inspection module and the power supply and is used for receiving a second detection signal and outputting a corresponding second reaction signal;
and the main road indicating lamp group responds to a second reaction signal sent by the controller.
3. The intelligent high-speed secure intelligent guidance system of claim 2, wherein: the main road vehicle inspection module and the ramp vehicle inspection module are both set as microwave radar detectors.
4. The intelligent high-speed secure intelligent guidance system of claim 1, wherein the guidance system further comprises:
the loudspeaker is arranged in a first preset area of the ramp, close to the intersection; the loudspeaker is connected with the controller and the power supply, and responds to and indicates the first reaction signal sent by the controller.
5. The intelligent high-speed secure intelligent guidance system of claim 3, wherein the guidance system further comprises:
and the first variable information board is arranged in the first preset area, is connected with the main road vehicle inspection module, the ramp vehicle inspection module and the power supply and is used for displaying a first detection signal and a second detection signal.
6. The intelligent high-speed secure intelligent guidance system of claim 5, wherein the guidance system further comprises:
the weather detection module is connected to the power supply and used for detecting current weather and outputting weather information, and the first variable information board is connected to the weather detection module and used for displaying the weather information.
7. The intelligent high-speed secure intelligent guidance system of claim 1, wherein the guidance system further comprises an automatic control unit, the automatic control unit comprising:
the illumination detection module is used for detecting illumination intensity and outputting light intensity information, when the light intensity information is greater than reference intensity information, a closing signal is output, and when the light intensity information is less than or equal to the reference intensity information, an opening signal is output;
the power supply is connected to the illumination detection module, responds to the turn-on signal and supplies power to the ramp indicating lamp set and the main road indicating lamp set, and responds to the turn-off signal and supplies power to the ramp indicating lamp set and the main road indicating lamp set.
8. The intelligent high-speed secure intelligent guidance system of claim 6, wherein the guidance system further comprises:
and the second variable information board is arranged on the boundary of the second preset area, is connected with the power supply, the weather detection module, the main road vehicle inspection module and the ramp vehicle inspection module, and is used for displaying the first detection signal and the weather information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122578473.8U CN216211540U (en) | 2021-10-25 | 2021-10-25 | Intelligent high-speed safe intelligent guidance system of wisdom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122578473.8U CN216211540U (en) | 2021-10-25 | 2021-10-25 | Intelligent high-speed safe intelligent guidance system of wisdom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216211540U true CN216211540U (en) | 2022-04-05 |
Family
ID=80889458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122578473.8U Active CN216211540U (en) | 2021-10-25 | 2021-10-25 | Intelligent high-speed safe intelligent guidance system of wisdom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216211540U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115880884A (en) * | 2022-09-23 | 2023-03-31 | 长安大学 | Expressway ramp mixed traffic flow control method based on controllable intelligent network connection |
-
2021
- 2021-10-25 CN CN202122578473.8U patent/CN216211540U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115880884A (en) * | 2022-09-23 | 2023-03-31 | 长安大学 | Expressway ramp mixed traffic flow control method based on controllable intelligent network connection |
| CN115880884B (en) * | 2022-09-23 | 2023-10-27 | 长安大学 | Expressway ramp mixed traffic flow control method based on controllable intelligent network vehicle connection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7148813B2 (en) | Light emitting traffic sign having vehicle sensing capabilities | |
| US6166658A (en) | Speed limit control system | |
| KR100899118B1 (en) | Expressway warning device and its method | |
| CN203666504U (en) | Automobile dead area radar warning device | |
| CN112258894A (en) | Active safety anti-collision system and method for highway construction operation | |
| CN101986367B (en) | Wireless early warning method of vehicle traffic accidents | |
| CN209312221U (en) | The bidirectional safe early warning system of the non-lamp control intersection of Trunk highway and rural highway | |
| CA3071498A1 (en) | Electronic traffic alert system | |
| CN210777189U (en) | Highway tunnel emergency stop takes early warning system | |
| CN207651002U (en) | A kind of outlet lane change of interchange and gradient speed limit reminding device | |
| CN109615875B (en) | Highway driving safety guidance system based on lane level | |
| KR20160092959A (en) | Method of preventing traffic accidents in crossroad for signal violation and overspeed, and system of the same | |
| CN201402527Y (en) | Navigation unit capable of promoting highway camera information | |
| US8779938B2 (en) | Road traffic control system | |
| CN216211540U (en) | Intelligent high-speed safe intelligent guidance system of wisdom | |
| CN210743216U (en) | Highway construction operation district early warning system night | |
| CN111785089A (en) | Pavement man-vehicle self-perception early warning system based on piezoelectric pavement | |
| KR20120013700A (en) | A car signal controlling system of left turn | |
| CN112133129B (en) | Traffic intersection automatic warning system based on intelligent network connection technology | |
| CN202084188U (en) | Wireless pre-warning device for vehicle traffic accident | |
| CN209281641U (en) | A kind of crossing intelligent-induction safety alarm device | |
| KR102033922B1 (en) | Safety alarm system for pedestrians and vehicle drivers | |
| CN217026798U (en) | Guardrail column induction mark | |
| CN106601028B (en) | A kind of vehicle modified line based reminding method and vehicle modified line system for prompting | |
| KR102449234B1 (en) | Smart traffic light cotrol system with signposts |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |