CN211044513U - Intercommunication type vertical intersection flow area vehicle convergence early warning system - Google Patents
Intercommunication type vertical intersection flow area vehicle convergence early warning system Download PDFInfo
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- CN211044513U CN211044513U CN202020108070.XU CN202020108070U CN211044513U CN 211044513 U CN211044513 U CN 211044513U CN 202020108070 U CN202020108070 U CN 202020108070U CN 211044513 U CN211044513 U CN 211044513U
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Abstract
The utility model belongs to the technical field of traffic equipment, concretely relates to intercommunication formula intersection traffic district vehicle sinks into early warning system immediately, include: the vehicle induction unit is arranged in a traffic lane outside a front main line at the end of the interchange confluence nose, and monitors the traffic condition in front of the confluence area in real time through the change of the inductance of a coil loop; the control unit is arranged on the upright post positioned at the road side and used for receiving the signal transmitted by the vehicle sensing unit and processing the transmitted signal; the early warning unit is composed of a display device and receives the signals transmitted by the control unit and carries out early warning prompt on the vehicles entering the early warning unit through the display device; and the power supply unit provides electric energy for the whole vehicle afflux to the early warning system. By adopting the vehicle convergence early warning system, the problem that vehicle convergence accidents in the interchange type vertical intersection flow area of the high-speed highway in the prior art are frequent is effectively solved.
Description
Technical Field
The utility model belongs to the technical field of traffic equipment, concretely relates to intercommunication formula intersection traffic district vehicle sinks into early warning system immediately.
Background
With the rapid development of national socioeconomic and traffic infrastructure, the highway mileage is rapidly increased, a highway network covering the whole country is formed, and the importance of the good development of the national economy and the trip of the public is increasingly prominent. Meanwhile, the proportion of highway accidents is increased year by year, heavy and extra-large traffic accidents occur frequently, and the traffic safety situation is still severe, wherein the interchange flyover is used as an important component of the highway, the traffic accidents are high due to complex driving environments of vehicle separation, confluence and the like, a confluence area of the flyover is often the accident multi-occurrence point of the flyover, vehicles driven by ramps in the confluence area need to accelerate driving, and simultaneously, the vehicles are required to be converged by inserting gaps, the driving environment is more complex, the traffic accidents are often caused due to insufficient insertion gaps of the vehicles driven by ramps or the fact that the vehicles are not noticed by force to converge on a rear main line, and the interchange flyover is used as a highway traffic conversion node.
At present, no early warning system specially aiming at the safe vehicle convergence in the intercommunicated vertical intersection flow area exists, only a converging attention mark is arranged on the side of a main line in front of the intersection area, the conventional method can play a certain warning effect on the main line vehicle under the conditions of line shape and good environment, but cannot give early warning on the safe vehicle convergence in the ramp, and meanwhile, the early warning system hardly plays an effective role under the conditions of curves, bad road sections with visual range and bad weather. Therefore, a system capable of performing real-time early warning on vehicles entering a ramp according to whether vehicles exist in lanes outside a main line and the traffic flow space condition before an interchange confluence area is urgently needed to be developed, and the driving safety of vehicles entering the interchange confluence area of the expressway is improved.
Disclosure of Invention
An object of the utility model is to solve among the prior art high-speed highway intercommunication formula vertical intersection stream district vehicle and sink into the problem of taking place the accident easily, provide an intercommunication formula vertical intersection stream district vehicle and sink into early warning system.
Realize the utility model discloses the technical scheme of purpose as follows:
an intercommunicated type vehicle convergence early warning system in a vertical intersection flow area comprises:
the vehicle induction unit is arranged in a traffic lane outside a front main line at the end of the interchange confluence nose and is used for monitoring the traffic flow condition in front of the confluence area in real time through the change of the inductance of a coil loop;
the control unit is arranged on the upright post positioned at the road side and used for receiving the signal transmitted by the vehicle sensing unit and processing the transmitted signal;
the early warning unit is composed of a display device and receives the signals transmitted by the control unit and carries out early warning prompt on the vehicles entering the early warning unit through the display device;
and the power supply unit provides electric energy for the whole vehicle afflux to the early warning system.
Compared with the prior art, the intercommunication type vertical intersection flow area vehicle convergence early warning system comprises a vehicle sensing unit, a control unit, an early warning unit and a power supply unit, the vehicle sensing unit arranged on a lane outside a main line in front of the vertical intersection flow area monitors the traffic flow condition in real time and transmits the signal to the control unit, the control unit receives the signal, processes and calculates the signal and outputs the information to the early warning unit, the early warning unit carries out early warning prompt on the converged vehicle through a display device, and a vehicle driver on a ramp ready to converge the main line is reminded in real time, so that the convergence safety of vehicles on the ramp is effectively improved, and traffic accidents are reduced.
Furthermore, the vehicle induction unit comprises a first ground induction coil, a second ground induction coil and a vehicle detector, the first ground induction coil is pre-embedded in a main line outer side traffic lane 100 meters in front of the interchange confluence nose end, the second ground induction coil is pre-embedded in a main line outer side traffic lane 300 meters in front of the interchange confluence nose end, and the vehicle detector adopts a common double-channel vehicle detector and is arranged on the road side.
Specifically, a first ground induction coil in a vehicle induction unit is pre-embedded at a main line outer traffic lane 100 meters in front of an interchange confluence nose end, and a second ground induction coil is pre-embedded at a main line outer traffic lane 300 meters in front of the interchange confluence nose end and is used for monitoring whether a vehicle and a traffic interval exist on the main line outer traffic lane in front of the interchange confluence area in real time.
Furthermore, the first ground induction coil and the second ground induction coil are pre-buried below a road surface by 3-5 cm through rectangular notches, and the inductance of the first ground induction coil and the second ground induction coil is kept at 100-300 uH.
The first ground induction coil and the second ground induction coil are arranged 3-5 cm below a road surface, the inductance value of the first ground induction coil and the second ground induction coil is kept at 100-300 uH, when a vehicle passes through the first ground induction coil and the second ground induction coil, the change of the inductance value can be accurately sensed, and the accuracy of early warning information is guaranteed.
Further, the control unit is a controller, a signal input end of the controller is connected with an output end of the vehicle detector, and a signal output end of the controller is connected with the early warning unit.
The signal input end of the controller is connected with the output end of the vehicle detector, the output end of the controller is connected with the early warning unit, specifically, the signal output end of the controller is connected with the display device of the early warning unit, namely, the raised road sign and the display screen are displayed in an early warning mode in time according to the traffic flow condition of the lane outside the main line, the vehicles converged into the ramp are convenient to know the traffic flow condition of the main line, and traffic accidents are avoided.
Further, the controller is an AT89C51 singlechip.
Furthermore, the display device comprises raised road signs and a display screen, wherein the raised road signs are sequentially arranged on the solid line segments of the entry marking of the confluence area along the driving direction of the vehicle, and the distance between the raised road signs is 3-6 meters; the display screen is arranged above the upright post, and the text plane of the display screen faces to the ramp vehicle afflux side.
The display screen is arranged above the upright post, the text plane of the display screen is vertical to the road surface and faces to the merging side of the ramp vehicle, meanwhile, raised road signs are sequentially distributed on the solid line segments of the entry marking of the merging area along the driving direction of the vehicle, the distance is 3-6 meters, the early warning information can be seen at one glance when the vehicle is merged, and the vehicle can timely respond in advance,
furthermore, the raised road sign is an active light-emitting road sign, L ED light particles emitting light are arranged in the raised road sign, and the display screen L ED is arranged on the raised road sign.
L ED lamp particles emitting yellow light are arranged inside the raised road signs, and the light with different frequencies can flash according to different road surface conditions, so that the ramp is effectively reminded of coming into the vehicle driver to pay attention to the main line traffic flow condition, and the occurrence of traffic accidents is reduced.
Further, the power supply unit comprises a solar cell panel and a storage battery, the solar cell panel is installed above the upright post, the storage battery is installed below the upright post, and the solar cell panel is connected with the storage battery.
Through using solar cell panel and battery to combine together, can guarantee that the early warning system of this scheme does not cut off the power supply, realizes real-time supervision, supplies power through solar cell panel, and the solar energy conversion who will collect is the electric energy to utilize the battery to store the electricity, be convenient for cloudy day or use night, reach all-weather 24 hours incessant monitoring.
Furthermore, the upright post is fixedly installed on the right side of the ramp near the confluence nose by adopting foundation bolts and cannot invade the building boundary of the highway.
The upright post is fixedly arranged on the right side of the ramp near the confluence nose by adopting the foundation bolt, so that the interference to the main line travelling crane is avoided.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses an intercommunication formula vertical intersection stream district vehicle converges early warning system, by vehicle induction element, the control unit, early warning unit and electrical unit constitute whole early warning system jointly, through setting up the vehicle induction element response traffic flow condition on the thread outside lane before the vertical intersection stream district, and give the control unit with signal transmission, the control unit passes through received signal, the processing calculates, and with information output to the early warning unit on, the early warning unit carries out the early warning suggestion to the vehicle of converging through display device, the vehicle driver who prepares to converge into the thread on the warning ramp in real time, and then the effectual security that improves the vehicle and converge, reduce the traffic accident, moreover, the steam generator is simple in structure, and convenient for operation, and is stable and reliable, higher social benefit and spreading value have.
(2) The utility model discloses an intercommunication formula is joining stream district vehicle and is joined in marriage early warning system immediately, pre-buried in the front of overpass confluence nose 100 meters thread outside lane department with a ground induction coil among the vehicle induction unit, No. two ground induction coils pre-buried in the front of overpass confluence nose 300 meters thread outside lane department, be used for having on the thread outside lane before the real-time supervision is joining in stream district or not and traffic interval, when the vehicle drives in, at first can pass through No. two ground induction coils, at this moment, the vehicle detector detects No. two ground induction coils's return circuit inductance and produces the change, afterwards, detect No. one ground induction coil return circuit inductance change again, then show that the thread outside lane has the car and traffic interval more than or equal to 200 meters, guarantee abundant safe distance, the driver that the ramp merges into the vehicle foresees the thread traffic condition in advance and in time makes the judgement.
(3) The utility model discloses an early warning system is gone into to intercommunication formula intersection confluence district vehicle installs No. one ground induction coil and No. two ground induction coils in 3~5 centimetres below the road surface to make its inductance value keep at 100uH ~ 300uH, when the vehicle passes through, the change of inductance value of sensing that can be accurate guarantees early warning information's accuracy.
(4) The utility model discloses an intercommunication formula is vertical to be handed over stream district vehicle and is joined in marriage early warning system, be connected the signal input part and the vehicle detector output of controller, the output is connected with the early warning unit, and is concrete, and the signal output part of controller connects the display device of early warning unit, and protruding road sign and display screen promptly show according to the thread outside lane traffic condition in time early warning, make things convenient for the ramp to drive in the vehicle to the understanding of thread traffic condition, avoid the emergence of traffic accident.
(5) The utility model discloses an early warning system is gone into to intercommunication formula intersection district vehicle is equipped with the L ED lamp grain of transmission yellow light in protruding road sign inside, can be according to the light of different traffic flow condition scintillation different frequencies, effectively reminds the driver of the vehicle who prepares to the trunk to pay attention to the trunk traffic flow condition, reduces the emergence of traffic accident.
(6) The utility model discloses an intercommunication formula vertical intersection traffic district vehicle converges early warning system of joining in marriage combines together through using solar cell panel and battery, can guarantee that the early warning system of this scheme does not cut off the power supply, realizes real-time supervision, supplies power through solar cell panel, and the solar energy conversion who will collect is the electric energy to utilize the battery to store the electricity, be convenient for use cloudy day or night, reach all-weather 24 hours uninterrupted monitoring.
Drawings
Fig. 1 is a schematic structural view of the vehicle intrusion early warning system of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic diagram of the operation of the vehicle intrusion early warning system of the present invention;
wherein, 1, a ground induction coil; 2. a second ground induction coil; 3. a vehicle detector; 4. a controller; 5. projecting a road sign; 6. a display screen; 7. a solar panel; 8. a storage battery; 9. and (4) a column.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
In the description of the present embodiments, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1:
referring to fig. 1 and fig. 3, a vehicle merging warning system in an interworking type vertical intersection zone of the present embodiment includes: the vehicle induction unit is arranged in a traffic lane outside a front main line at the end of the interchange confluence nose and is used for monitoring the traffic flow condition in front of the confluence area in real time through the change of the inductance of a coil loop; the control unit is arranged on the upright post 9 positioned at the roadside and used for receiving the signal transmitted by the vehicle sensing unit and processing the transmitted signal; the early warning unit is composed of a display device and receives the signals transmitted by the control unit and carries out early warning prompt on the vehicles entering the early warning unit through the display device; and the power supply unit provides electric energy for the whole vehicle afflux to the early warning system.
Compared with the prior art, the intercommunication type vertical intersection flow area vehicle convergence early warning system comprises a vehicle sensing unit, a control unit, an early warning unit and a power supply unit, the vehicle sensing unit arranged on a lane outside a main line in front of the vertical intersection flow area monitors the traffic flow condition in real time and transmits the signal to the control unit, the control unit receives the signal, processes and calculates the signal and outputs the information to the early warning unit, the early warning unit carries out early warning prompt on a vehicle to be converged into the main line through a display device, and a vehicle driver on a ramp to be converged into the main line is reminded in real time, so that the safety of vehicle convergence is effectively improved, and traffic accidents are reduced.
Specifically, the vehicle induction unit comprises a first ground induction coil 1, a second ground induction coil 2 and a vehicle detector 3, wherein the first ground induction coil 1 is pre-embedded in a main line outer side traffic lane 100 meters in front of the interchange confluence nose end, the second ground induction coil 2 is pre-embedded in a main line outer side traffic lane 300 meters in front of the interchange confluence nose end, and the vehicle detector 3 adopts a common double-channel vehicle detector and is arranged on the road side. It should be noted that the first ground induction coil 1 and the second ground induction coil 2 are connected to the vehicle detector 3, the first ground induction coil 1 and the second ground induction coil 2 transmit a loop inductance signal generated when a vehicle passes through the loop inductance signal to the vehicle detector 3, and the vehicle detector 3 transmits the loop inductance signal to the controller 4.
The control unit is a controller 4, a signal input end of the controller 4 is connected with an output end of the vehicle detector 3, and a signal output end of the controller 4 is connected with the early warning unit.
The display device comprises raised road signs 5 and a display screen 6, wherein the raised road signs 5 are sequentially arranged on the solid line segments of the entry marking of the confluence area along the driving direction of the vehicle, and the distance between the raised road signs 5 and the solid line segments is 3-6 meters; the display screen 6 is arranged above the upright post 9, and the text plane of the display screen 6 faces to the ramp vehicle entering side.
As shown in fig. 2, the power supply unit includes a solar panel 7 and a storage battery 8, the solar panel 7 is installed above the upright post 9, the storage battery 8 is installed below the upright post 9, and the solar panel 7 and the storage battery 8 are connected.
The working principle of the early warning system in the scheme is as follows: when no inductance quantity change exists in the first ground induction coil 1 loop, it indicates that no vehicle exists in a lane outside a main line in front of the confluence area, a vehicle detector 3 inputs a signal of no vehicle to a controller 4, the controller 4 controls a bump road sign 5 to normally light yellow light, and meanwhile, a display screen 5 displays characters preset to please drive cautiously and enter the main line after confirmation; when the vehicle detector 3 detects the inductance change of the loop of the ground induction coil 2 II, and then the vehicle detector 3 detects the inductance change of the loop of the ground induction coil 1I again, it indicates that there is a vehicle in the lane outside the main line and the traffic flow interval is more than or equal to 200 meters, at this time, the vehicle detector 3 inputs the signal of the traffic flow interval to the controller 4, the controller 4 controls the protruding road sign 5 to emit a low-frequency yellow flashing light, and controls the display screen 6 to display the preset characters of 'the main line has the vehicle and carefully converges into the main line', and the early warning lasts for 10s, because the single chip microcomputer is arranged in the controller 4, the early warning time interval is set before the single chip microcomputer is lifted, so that the problem is avoided (or the time interval is set by connecting a time relay on the controller 4, the technology of setting the time interval on the controller belongs to the existing mature technology, and; when the vehicle detector 3 detects the inductance change of the second ground induction coil 2 loop, then the vehicle detector 3 detects the inductance change of the second ground induction coil 2 loop, and then detects the inductance change of the first ground induction coil 1 loop, it means that there is a vehicle in the outer lane of the main line and the traffic interval is less than 200 meters, at this time, the traffic detector 3 inputs the signal of the traffic interval to the controller 4, the controller 4 controls the protruded road sign 5 to emit a high-frequency yellow flashing light, meanwhile, the display screen 6 displays the characters of presetting that the main line vehicle flow is larger and the attention is carefully gathered, the early warning lasts for 10s, reminding drivers of vehicles on the ramp ready to be merged into the main line in real time according to whether the distance between the vehicles and the traffic flow exists in the lane outside the main line, the vehicle confluence control device has the advantages of effectively improving the safety of vehicle confluence, reducing traffic accidents, being simple in structure, convenient to operate, stable and reliable, and having higher social benefits and popularization values.
It should be noted that the first ground induction coil 1 and the second ground induction coil 2 are far away from the inner adjacent lane, and the sensitivity of the vehicle induction unit is ensured to detect only the vehicle on the outer lane without being influenced by the vehicle on the inner lane, so that the phenomenon that the inductance values of the first ground induction coil 1 and the second ground induction coil 2 are changed due to other accidental factors or the vehicle on the inner lane when passing through is avoided, and false early warning is generated.
Example 2
Compared with embodiment 1, further, the first ground induction coil 1 and the second ground induction coil 2 are pre-buried below the road surface by adopting rectangular notches for 3-5 cm, and the inductance of the first ground induction coil 1 and the second ground induction coil 2 is kept at 100-300 uH.
The first ground induction coil 1 and the second ground induction coil 2 are pre-buried 3-5 cm below a road surface, the inductance value of the first ground induction coil 1 and the second ground induction coil 2 is kept AT 100-300 uH, when a vehicle passes through the first ground induction coil, the change of the inductance value can be accurately sensed, the accuracy of early warning information is guaranteed, meanwhile, the first ground induction coil 1 and the second ground induction coil 2 are mounted 3-5 cm below the road surface, the long-time use is not caused, the ground induction coils are exposed on the ground surface, and damage is caused, and the controller 4 is an AT89C51 single chip microcomputer.
The raised road sign 5 is an active light-emitting road sign, L ED light particles for emitting light are arranged in the raised road sign 5, and the display screen 6L ED display screen is specifically arranged in the raised road sign 5, L ED light particles for emitting yellow light are arranged in the raised road sign, so that light with different frequencies can flash according to different road surface conditions, a driver ready to enter a main line can be effectively reminded to pay attention to the condition of the main line vehicle, and traffic accidents are reduced.
The upright post 9 is fixedly arranged on the right side of the ramp near the confluence nose by adopting the foundation bolt and cannot invade the building boundary of the highway, and the upright post 9 is fixedly arranged on the right side of the ramp near the confluence nose by adopting the foundation bolt, so that the interference to the main line travelling crane is avoided.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. An intercommunication type vehicle convergence early warning system in a vertical intersection flow area is characterized by comprising:
the vehicle induction unit is arranged in a traffic lane outside a front main line at the interchange confluence nose end and is used for monitoring the traffic flow condition in front of the confluence area through the change of the inductance of a coil loop;
the control unit is arranged on a stand column (9) positioned on the road side, and is used for receiving the signal transmitted by the vehicle sensing unit and processing the transmitted signal;
the early warning unit is composed of a display device and receives the signals transmitted by the control unit and carries out early warning prompt on the vehicles entering the early warning unit through the display device;
and the power supply unit provides electric energy for the whole vehicle afflux to the early warning system.
2. The system of claim 1, wherein the vehicle sensing unit comprises a first ground sensing coil (1), a second ground sensing coil (2) and a vehicle detector (3), the first ground sensing coil (1) is pre-embedded in a main line outer lane 100 meters in front of the interchange confluence nose end, the second ground sensing coil (2) is pre-embedded in a main line outer lane 300 meters in front of the interchange confluence nose end, and the vehicle detector (3) adopts a common dual-channel vehicle detector and is arranged at the roadside.
3. The interchange type vertical intersection flow area vehicle afflux early warning system according to claim 2, characterized in that the first ground induction coil (1) and the second ground induction coil (2) are both embedded below the road surface by rectangular grooves for 3-5 cm, and the inductance of the first ground induction coil (1) and the second ground induction coil (2) is kept at 100-300 uH.
4. The system of claim 2, wherein the control unit is a signal input terminal of the controller (4) connected to the output terminal of the vehicle detector (3), and a signal output terminal of the controller (4) connected to the warning unit.
5. The intercommunication type vertical intersection flow region vehicle afflux early warning system according to claim 4, wherein the controller (4) is AT89C51 single chip microcomputer.
6. The system for early warning vehicle convergence in the intercommunicating vertical intersection zone according to claim 1, wherein the display device comprises raised road signs (5) and a display screen (6), the raised road signs (5) are sequentially arranged on the sections of the solid line of the entry marking of the intersection zone along the driving direction of the vehicle, and the distance between the raised road signs and the sections of the solid line of the entry marking of the intersection zone is 3-6 m; the display screen (6) is arranged above the upright post (9), and the text plane of the display screen (6) faces to the ramp vehicle afflux side.
7. The system of claim 6, wherein the raised road sign (5) is an active light-emitting road sign and contains L ED light particles for emitting light, and the display screen (6) is L ED display screen.
8. An intercommunicating vertical intersection flow zone vehicle influx early warning system according to claim 1, wherein the power supply unit comprises a solar panel (7) and a battery (8), the solar panel (7) is mounted above the upright (9), the battery (8) is mounted below the upright (9), and the solar panel (7) and the battery (8) are connected.
9. The system of claim 8, wherein the upright post (9) is fixedly installed on the right side of the ramp near the confluence nose by using anchor bolts and cannot intrude into the building boundary of the highway.
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| CN202020108070.XU CN211044513U (en) | 2020-01-17 | 2020-01-17 | Intercommunication type vertical intersection flow area vehicle convergence early warning system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113174879A (en) * | 2021-03-23 | 2021-07-27 | 江西省交通工程集团建设有限公司 | Acousto-optic facility configuration method for safety control of highway auxiliary road operation |
| CN113470409A (en) * | 2021-07-20 | 2021-10-01 | 常州市规划设计院 | Merging ramp alternate-passing vehicle guiding system and method |
| CN113706900A (en) * | 2021-08-30 | 2021-11-26 | 苏州昆朋智能网联科技有限公司 | Ramp inward-remittance and outward-remittance early warning system |
-
2020
- 2020-01-17 CN CN202020108070.XU patent/CN211044513U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113174879A (en) * | 2021-03-23 | 2021-07-27 | 江西省交通工程集团建设有限公司 | Acousto-optic facility configuration method for safety control of highway auxiliary road operation |
| CN113470409A (en) * | 2021-07-20 | 2021-10-01 | 常州市规划设计院 | Merging ramp alternate-passing vehicle guiding system and method |
| CN113470409B (en) * | 2021-07-20 | 2023-01-13 | 常州市规划设计院 | Merging ramp alternate-passing vehicle guiding system and method |
| CN113706900A (en) * | 2021-08-30 | 2021-11-26 | 苏州昆朋智能网联科技有限公司 | Ramp inward-remittance and outward-remittance early warning system |
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Address after: No.37, Keji 6th Road, high tech Zone, Xi'an, Shaanxi 710000 Patentee after: Shaanxi transportation planning and Design Institute Co.,Ltd. Address before: No.37, Keji 6th Road, high tech Zone, Xi'an, Shaanxi 710000 Patentee before: Shaanxi Traffic Planning Design Research Institute |
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