CN113920783A - Self-powered curve meeting early warning system - Google Patents
Self-powered curve meeting early warning system Download PDFInfo
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- CN113920783A CN113920783A CN202111184996.2A CN202111184996A CN113920783A CN 113920783 A CN113920783 A CN 113920783A CN 202111184996 A CN202111184996 A CN 202111184996A CN 113920783 A CN113920783 A CN 113920783A
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- 238000010248 power generation Methods 0.000 claims description 33
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- 230000001681 protective effect Effects 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 230000000717 retained effect Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 description 6
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- 238000000429 assembly Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/40—Arrangements in telecontrol or telemetry systems using a wireless architecture
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Abstract
The invention relates to a self-energy-supply curve vehicle crossing early warning system which comprises a first energy-harvesting deceleration strip, a second energy-harvesting deceleration strip, a first intelligent warning board and a second intelligent warning board, wherein the first energy-harvesting deceleration strip and the second energy-harvesting deceleration strip are arranged at preset positions on a road surface and are respectively positioned at the front ends of curve inlets in opposite directions; compared with the prior art, the invention can realize the energy acquisition of the vehicle road environment, solve the energy supply problem of the curve vehicle-meeting early warning system, and efficiently display the dynamic information of the curve vehicle-meeting in real time, so that the driver obtains safety guidance under the condition of blocked view of the curve.
Description
[ technical field ]
The invention relates to the technical field of energy acquisition and traffic safety, in particular to a self-powered curve vehicle meeting early warning system.
[ background art ]
The curve crossing in the mountainous area with two-way lanes has potential safety hazards, and is a high-frequency area where traffic safety accidents occur. Some mountain obstacles exist in curves in a mountainous area, so that the driving sight of a driver is blocked, and emergencies cannot be processed in time. On one hand, when some drivers get used to get close to the middle of a road when driving at a curve, the drivers run the risk of colliding with oncoming vehicles beyond the center line of the road; on the other hand, the winding area has more curves, the safe overtaking road section with wide view is less, overtaking action is often finished when the vehicle travels to the curve, even overtaking at the curve, and great potential safety hazards exist.
At present, a curve is usually monitored by using a convex wide-angle lens, a deceleration strip, a turning sign board and some electronic monitoring equipment, so that the vehicle crossing early warning effect is achieved. Wherein, the convex surface wide-angle lens is not good at the result of use under weather conditions such as sleet, haze, the mirror surface content is discerned the degree of difficulty and is big. Moreover, the convex wide-angle lens imaging has the characteristic of picture distortion, the attention of a driver can be dispersed, and the fatigue degree of the driver is easy to increase after the driver drives a plurality of continuous curves. For some electronic monitoring devices, power infrastructure needs to be built or batteries need to be replaced frequently, and more manpower and material resources are consumed.
Therefore, if a self-powered curve vehicle-meeting early-warning system which is simple in structure and function and does not need an external power supply can be provided, the system has very important significance.
[ summary of the invention ]
The invention aims to solve the defects and provide a self-powered curve meeting early warning system, which can realize energy acquisition of a vehicle road environment, solve the power supply problem of the curve meeting early warning system, can efficiently display dynamic information of curve meeting in real time and ensure that a driver obtains safety guidance under the condition of blocked view of a curve.
The self-energy-supply curve crossing early warning system comprises a first energy-harvesting deceleration strip 1, a second energy-harvesting deceleration strip 2, a first intelligent warning board 3 and a second intelligent warning board 4, wherein the first energy-harvesting deceleration strip 1 and the second energy-harvesting deceleration strip 2 are installed at preset positions on a road surface and are respectively located at the front ends of curve inlets in opposite directions, the first energy-harvesting deceleration strip 1 and the second energy-harvesting deceleration strip 2 respectively comprise a plurality of fully-sealed power generation units 5, the plurality of fully-sealed power generation units 5 are connected in series or in parallel, the first energy-harvesting deceleration strip 1 and the second energy-harvesting deceleration strip 2 are respectively electrically connected with the first intelligent warning board 3 and the second intelligent warning board 4 in a wired mode, the first intelligent warning board 3 and the second intelligent warning board 4 are formed by early warning modules 6, and the first intelligent warning board 3 and the second intelligent warning board 4 are installed at preset positions on the road and are respectively located at the first energy-harvesting deceleration strip 1, the second intelligent warning board 2 and the intelligent warning board 4, The front right side of the energy capturing deceleration strip II 2; the early warning module 6 comprises a central control rod 601, a power management module 602, a control center 603, a wireless transmission module 604, a low-power-consumption LED display screen 605, a speed measurement camera 606 and a real object capture camera 607, wherein the power management module 602, the control center 603 and the wireless transmission module 604 are integrated at the middle-upper part of the central control rod 601, the low-power-consumption LED display screen 605 is installed at the top of the central control rod 601, the control center 603 sends a control instruction to the low-power-consumption LED display screen 605, the speed measurement camera 606 and the real object capture camera 607 are installed on one surface, facing to the first energy capture deceleration strip 1 or the second energy capture deceleration strip 2, of the low-power-consumption LED display screen 605, the speed measurement camera 606 monitors the driving speed of a vehicle in front of the camera, and the real object capture camera 607 monitors the driving-away dynamic state of the vehicle in front of the camera; the energy harvesting deceleration strip I1 and the energy harvesting deceleration strip II 2 collect electric energy generated by rolling of vehicles and supply power to the two early warning modules 6; the two early warning modules 6 are in wireless connection through a wireless transmission module 604, the input end of the wireless transmission module 604 in each early warning module 6 is connected with a speed measuring camera 606 and a real object capturing camera 607, the output end of the wireless transmission module 604 in each early warning module 6 is connected with a low-power-consumption LED display screen 605 through a control center 603, and the first energy capturing deceleration strip 1 and the second energy capturing deceleration strip 2 transmit the information of the real-time vehicle to the second intelligent warning board 4 and the first intelligent warning board 3 through electric signals respectively and display the information through the low-power-consumption LED display screen 605.
Further, the camera 606 tests the speed with the information of gathering on intelligent warning sign 3 wireless transmission to intelligent warning sign two 4 or on intelligent warning sign one 3 from intelligent warning sign two 4 wireless transmission, the camera 607 is caught in kind with the information of gathering on intelligent warning sign 3 wireless transmission to intelligent warning sign two 4 or from or intelligent warning sign two 4 wireless transmission to intelligent warning sign one 3 to show through low-power consumption LED display screen 605 respectively.
Furthermore, the structures of the first energy capturing deceleration strip 1 and the second energy capturing deceleration strip 2 are completely the same, the structures of the first intelligent warning board 3 and the second intelligent warning board 4 are completely the same, and the fully sealed power generation units 5 in the first energy capturing deceleration strip 1 and the second energy capturing deceleration strip 2 are elastically connected with the deceleration strips.
Further, the central control rod 601 is of a hollow cylindrical structure, a circuit is arranged inside the central control rod 601, a rectangular front-back through notch is formed in the middle upper section of the central control rod 601, and the notch is used for installing the power management module 602, the control center 603 and the wireless transmission module 604.
Further, the cylindrical protective housings of the power management module 602, the control center 603 and the wireless transmission module 604 are of an integrated structure, and are fixed on the center control rod 601 through a bolt structure, and a circular safety door is arranged on the housing.
Further, the power management module 602 rectifies, filters and stores the electric energy collected by the hermetically sealed power generation unit 5, and sets a voltage threshold; when the voltage does not meet the voltage threshold, continuing to charge; when the voltage meets the voltage threshold, the electric energy is transmitted outwards; the power management module 602 supplies power to the control center 603, the wireless transmission module 604, the low-power LED display 605, the speed measurement camera 606, and the object capture camera 607.
Further, the wireless transmission module 604 uses a Zigbee module for short-distance wireless transmission, and the wireless transmission module 604 is used for transmitting information monitored by the speed measurement camera 606, information monitored by the object capture camera 607, and an electric signal generated by the lane rolling energy capturing deceleration strip one 1 or the energy capturing deceleration strip two 2.
Further, when the speed of the vehicle coming right in front of the camera is monitored by the speed measurement camera 606, firstly, the vehicle is judged to drive to a curve according to the key feature information of the vehicle head, and the key feature of the vehicle head is a headlight or a front windshield; secondly, the speed measurement camera 606 sets two pixel lines corresponding to a 3m long road area, and records the time t when the vehicle head contacts the boundary lines of the two sides of the area; finally, an average vehicle speed of 3/t meters per second, i.e., 10.8/t kilometers per hour, was obtained, with the result that one digit after the decimal point was retained.
Further, when the real object capturing camera 607 monitors the driving-away dynamic state of the vehicle right in front of the camera, when the real object capturing camera 607 captures the critical feature information of the vehicle tail, it is determined that the vehicle is driven away from the curve; the key feature information of the tail of the vehicle is tail light or rear windshield.
Further, the low power consumption LED display screen 605 is composed of red light emitting diodes, and the screen display content of the low power consumption LED display screen 605 includes "coming vehicle ahead" and "vehicle speed: 10.8/t km/h', and a high-performance transparent protective shell is arranged on the surface of the low-power-consumption LED display screen 605.
Compared with the prior art, the invention has the following advantages:
(1) the invention provides electric energy from the vehicle, does not need to frequently replace the battery and connect with the national power grid, is comfortable to run, and has an elastic structure capable of reducing the jolt of the vehicle at the position of the deceleration strip;
(2) the system is independent, can be independently arranged on any curve to perform vehicle crossing early warning, and does not need to rely on other network control;
(3) the LED display panel is concise and understandable, the red light is more striking than the curved picture of the convex wide-angle lens, the content of the LED display panel is concise, and a driver can conveniently pay attention to meeting information;
(4) the energy harvesting deceleration strip has wide application, and can play a role of warning by the energy harvesting deceleration strip and the intelligent warning board under severe weather environment;
(5) the invention solves the problem of low safety performance of vehicle meeting at the curve, realizes the early warning function of vehicle meeting at the curve and ensures the driving efficiency and safety;
in conclusion, the invention provides the self-powered curve meeting early warning system which is simple in structure and function, does not need an external power supply, is feasible, can prompt the driver of the information of the coming vehicle in front in the blind area of the view field, can realize energy collection of the vehicle road environment, solves the problem of power supply of the curve meeting early warning system, can efficiently display the dynamic information of the meeting at the curve in real time, enables the driver to obtain safety guidance under the condition that the view field of the curve is blocked, and is worthy of popularization and application.
[ description of the drawings ]
FIG. 1 is an overall layout of the present invention;
FIG. 2 is a schematic structural diagram of an early warning module according to the present invention;
FIG. 3 is a flow chart of the operation of the present invention;
FIG. 4 is a schematic diagram of the overall structure of the energy-harvesting deceleration strip according to the present invention;
FIG. 5 is a schematic structural diagram of a hermetically sealed power generation unit according to the present invention;
FIG. 6a is a front view of the pivot rod of the present invention;
FIG. 6b is a left side view of the center pole of the present invention;
FIG. 7 is a flow chart of power management in the present invention;
FIG. 8 is a power supply diagram of a curve meeting early warning system according to the present invention;
FIGS. 9a, 9b and 9c are logic diagrams illustrating the operation of the control hub according to the present invention;
in the figure: 1. the energy harvesting and warning device comprises a first energy harvesting deceleration strip 2, a second energy harvesting deceleration strip 3, a first intelligent warning board 4, a second intelligent warning board 5, a fully-sealed power generation unit 501, a lifting plate 502, a driven permanent magnet 503, a guide pillar 504, a reset spring 505, a top plate 506, a transmission assembly 507, a composite power generation wheel 508, a power generation stator 509, a composite bottom plate 510, a power generation stator mounting plate 511, a transmission mounting plate 6, an early warning module 601, a central control rod 602, a power management module 603, a control center 604, a wireless transmission module 605, a low-power-consumption LED display screen 606, a speed measurement camera 607 and a real object capture camera.
[ detailed description of the invention ]
The invention is further described below with reference to the accompanying drawings:
as shown in the attached drawing 1, the invention provides a self-energy-supply curve car crossing early warning system which comprises a first energy-harvesting deceleration strip 1, a second energy-harvesting deceleration strip 2, an intelligent warning board 3 and an intelligent warning board 4, wherein the first energy-harvesting deceleration strip 1 and the second energy-harvesting deceleration strip 2 are completely the same in structure, and the first intelligent warning board 3 and the second intelligent warning board 4 are completely the same in structure; the energy harvesting deceleration strip I1 and the energy harvesting deceleration strip II 2 are installed at preset positions of a road surface and are respectively located at the front ends of inlets of the bends in opposite directions; the first energy-harvesting deceleration strip 1 and the second energy-harvesting deceleration strip 2 both comprise a plurality of fully-sealed power generation units 5, and the plurality of fully-sealed power generation units 5 are connected in series or in parallel; the energy harvesting deceleration strip I1 and the energy harvesting deceleration strip II 2 are respectively in wired electrical connection with the intelligent warning board I3 and the intelligent warning board II 4; the intelligent warning board I3 and the intelligent warning board II 4 are composed of early warning modules 6, are installed on a preset position of a road, and are respectively located on the right side of the front of the first energy harvesting deceleration strip 1 and the right side of the front of the second energy harvesting deceleration strip 2.
As shown in fig. 2, the early warning module 6 includes a central control rod 601, a power management module 602, a control center 603, a wireless transmission module 604, a low power consumption LED display 605, a speed measurement camera 606 and a material capture camera 607; the power management module 602, the control center 603 and the wireless transmission module 604 are integrated at the middle-upper part of the same central control rod 601, the low-power-consumption LED display screen 605 is installed at the top of the central control rod 601, and the control center 603 sends a control instruction to the low-power-consumption LED display screen 605; the speed measuring camera 606 and the object capturing camera 607 are installed on one surface of the low-power-consumption LED display screen 605 facing to the first harvesting energy deceleration strip 1 (or the second harvesting energy deceleration strip 2), the speed measuring camera 606 monitors the driving speed of the vehicle in front of the camera, and the object capturing camera 607 monitors the driving dynamic of the vehicle in front of the camera.
As shown in fig. 3, the first energy harvesting deceleration strip 1 and the second energy harvesting deceleration strip 2 collect electric energy generated by vehicle rolling and supply power to the two early warning modules 6; the two early warning modules 6 are wirelessly connected through a wireless transmission module 604, the input end of the wireless transmission module 604 in each early warning module 6 is connected with a speed measuring camera 606 and a real object capturing camera 607, the output end of the wireless transmission module 604 in each early warning module 6 is connected with a low-power-consumption LED display screen 605 through a control center 603, and the first energy capturing deceleration strip 1 and the second energy capturing deceleration strip 2 transmit real-time vehicle passing information to the second intelligent warning board 4 and the first intelligent warning board 3 through electric signals respectively and display the information through the low-power-consumption LED display screen 605; the speed measurement camera 606 wirelessly transmits the acquired information to the intelligent warning board II 4 (or the intelligent warning board I3) from the intelligent warning board I3 (or the intelligent warning board II 4), and the acquired information is displayed through the low-power-consumption LED display screen 605; the material object capturing camera 607 wirelessly transmits the acquired information to the intelligent warning board two 4 (or the intelligent warning board one 3) from the intelligent warning board one 3 (or the intelligent warning board two 4), and the low-power-consumption LED display screen 605 is turned off for display work, so that the self-energy-supply curve vehicle crossing early warning function is realized.
As shown in the attached figure 4, the fully-sealed power generation units 5 in the first energy-capturing deceleration strip 1 and the second energy-capturing deceleration strip 2 are elastically connected with the deceleration strips, so that the driving comfort of a vehicle is ensured, and meanwhile, a sufficient working distance is provided for the power generation units.
As shown in fig. 5, the fully sealed power generation unit 5 comprises a lifting plate 501, a driven permanent magnet 502, a guide post 503, a return spring 504, a top plate 505 and a transmission assembly 506, the combined power generation wheel 507, a power generation stator 508, a combined bottom plate 509, a power generation stator mounting plate 510 and a transmission mounting plate 511, wherein the lifting plate 501 is positioned at the top of the fully-sealed power generation unit 5 and above the top plate 505, the lifting plate 501 and the top plate 505 are arranged at intervals, a driven permanent magnet 502 is installed in the middle of the lifting plate 501, a guide pillar 503 which is vertically arranged is arranged below the lifting plate 501, a return spring 504 is sleeved on the periphery of the guide pillar 503, the return spring 504 is arranged between the lifting plate 501 and the top plate 505, the guide pillar 503 can slidably penetrate through the top plate 505, the bottom end of the lifting plate 501 is connected with a transmission assembly 506, the output end of the transmission assembly 506 is connected with and drives the combined power generation wheel 507, and the combined power generation wheel 507 is correspondingly provided with the power generation stator 508; the bottom of the fully-sealed power generation unit 5 is provided with a composite bottom plate 509, two power generation stator mounting plates 510 and two transmission mounting plates 511 are symmetrically arranged between a top plate 505 and the composite bottom plate 509, the composite power generation wheel 507 and the power generation stator 508 are symmetrically arranged at the two power generation stator mounting plates 510, and the transmission assemblies 506 are symmetrically arranged at the two transmission mounting plates 511.
The working principle of the fully-sealed power generation unit is as follows: when the automobile runs through the energy capturing deceleration strip 1, the lifting strip moves downwards under pressure, the repulsive magnetic force makes the lifting plate sink, the rack at the lower end drives the gear to rotate, the left side ratchet wheel is forced to rotate under the action of the gear set, on one hand, the ratchet wheel drives the permanent magnet to rotate at a high speed, and magnetic induction lines between the permanent magnet and the coil are cut to generate induction current. On the other hand, the ratchet wheel drives the rotating disk fixedly connected with the ratchet wheel to rotate in a single direction at a high speed, so that the friction electrode is rubbed with the obtained electronic frame and the lost electronic frame to generate triboelectricity, and meanwhile, the ratchet wheel pawl on the right side does not work. In a similar way, when the lifting belt is reset under the action of the spring, the ratchet wheel on the right side rotates to generate induction current and drives the rotating disc to generate triboelectricity. For a more detailed description of the fully sealed power generation unit, reference may be made to another invention patent application "high robustness magnetic coupling fully sealed friction and electromagnetic composite road surface energy collection device" previously applied by the applicant, whose patent application number is 202010744067.1, and its details are not described herein.
As shown in FIG. 6a and FIG. 6b, the center lever 601 is a hollow cylinder structure, and a wire can be arranged inside the hollow cylinder structure, with a radius of 2cm and a height of 1.5 m. The middle-upper section of the center control rod 601 is provided with a rectangular through gap for installing the related components such as the power management module 602, the control center 603 and the wireless transmission module 604. The cylindrical protective casing of the power management module 602, the control center 603 and the wireless transmission module 604 is an integrated structure, and is fixed on the center control rod 601 through a bolt structure, and a circular safety door is arranged on the casing, as shown in fig. 2.
As shown in fig. 7, the power management module 602 rectifies, filters and stores the electric energy collected by the hermetically sealed power generation unit 5, and sets a voltage threshold; when the voltage does not meet the voltage threshold, continuing to charge; when the voltage meets the voltage threshold, the electric energy is transmitted outwards. As shown in fig. 8, the power supply objects are: the control center 603, the wireless transmission module 604, the low-power LED display 605, the speed measurement camera 606 and the object capture camera 607, so that the self-power supply of the system is realized.
The wireless transmission module 604 uses a Zigbee module for short-range wireless transmission. The transmission content comprises: firstly, the lane rolling energy capturing deceleration strip I1 (or energy capturing deceleration strip II 2) generates an electric signal; secondly, information monitored by the speed measurement camera 606; third, the information monitored by the object capture camera 607. And the three information are transmitted to the far-end early warning module 6 from the near-end early warning module 6.
The speed measurement camera 606 monitors the speed of the vehicle coming right in front of the camera. The speed measurement camera 606 firstly judges that the vehicle drives to a curve through the key feature information of the vehicle head, and the key feature of the vehicle head is as follows: headlights and front windshield. Secondly, the speed measuring camera 606 sets two pixel lines corresponding to a road area 3m long, and records the time t when the vehicle head contacts the two boundary lines of the area. The average speed of the vehicle is finally obtained to be 3/t meter per second, namely 10.8/t kilometer per hour, and the result is retained one digit after the decimal point.
The object capture camera 607 monitors the motion of the vehicle driving off directly in front of the camera. When the object capture camera 607 captures the key feature information of the tail of the vehicle, it is determined that the vehicle is driven away from the curve. The key characteristic information of the vehicle tail is as follows: a tail lamp, a rear windshield,
The low power consumption LED display 605 is composed of red LEDs, and the screen display content includes "coming vehicle ahead" and "vehicle speed: 10.8/t km/h'. The surface of the low-power-consumption LED display screen 605 is provided with a high-performance transparent protective shell.
The control hub 603 sends control commands to the low power LED display 605. Taking the lane where the energy capturing deceleration strip 1 is located as an example: firstly, when a vehicle rolls on a first energy capture deceleration strip 1, electric energy is generated and transmitted to a first intelligent warning board 3, the behavior of the generated electric energy is used as a signal to be sent to a second intelligent warning board 2, after a wireless transmission module 604 of the second intelligent warning board 2 receives information, a vehicle driving signal is counted through a control center 603 and stored in an array A, and a command of 'coming vehicle ahead' is sent to a low-power-consumption LED display screen 605, which is shown in the attached figure 9 a; secondly, when the speed of the vehicle is monitored by the speed measuring camera 606 of the intelligent warning board I3, the signal is wirelessly transmitted to the wireless transmission module 604 of the intelligent warning board II 4, and the control center 603 sends a command of 'coming vehicle in front' and 'vehicle speed' to the low-power-consumption LED display screen 605: 10.8/t km/h ", see FIG. 9 b; thirdly, when the real object capturing camera 607 of the intelligent warning board I3 monitors that the vehicle runs away from the intelligent warning board II 4, the signal is wirelessly transmitted to the wireless transmission module 604 of the intelligent warning board II 4, the vehicle running away signal is counted through the control center 603 and stored in the array B, when A is equal to B, the counting is cleared, and a sleep instruction is sent to the low-power-consumption LED display screen 605, as shown in FIG. 9 c. The control instruction of the lane where the energy capturing deceleration strip two 2 and the energy capturing deceleration strip one 1 are located is the same, and a signal receiving party is replaced by a signal sending party, which is not described again here.
The present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and are included in the scope of the present invention.
Claims (10)
1. The utility model provides a self-powered bend early warning system of meeting, its characterized in that: comprises a first energy-harvesting deceleration strip (1), a second energy-harvesting deceleration strip (2), a first intelligent warning board (3) and a second intelligent warning board (4), wherein,
the energy harvesting deceleration strip I (1) and the energy harvesting deceleration strip II (2) are installed at preset positions on a road surface and are respectively located at the front ends of inlets of bends in opposite directions, the energy harvesting deceleration strip I (1) and the energy harvesting deceleration strip II (2) respectively comprise a plurality of fully-sealed power generation units (5), the fully-sealed power generation units (5) are connected in series or in parallel, the energy harvesting deceleration strip I (1) and the energy harvesting deceleration strip II (2) are respectively electrically connected with an intelligent warning board I (3) and an intelligent warning board II (4) in a wired mode, the intelligent warning board I (3) and the intelligent warning board II (4) are respectively formed by an early warning module (6), and the intelligent warning board I (3) and the intelligent warning board II (4) are installed at preset positions on the road and are respectively located on the right side in front of the energy harvesting deceleration strip I (1) and the energy harvesting deceleration strip II (2);
the early warning module (6) comprises a central control rod (601), a power supply management module (602), a control center (603), a wireless transmission module (604), a low-power-consumption LED display screen (605), a speed measurement camera (606) and a real object capture camera (607), wherein the power supply management module (602), the control center (603) and the wireless transmission module (604) are integrated at the middle-upper part of the central control rod (601), the low-power-consumption LED display screen (605) is installed at the top of the central control rod (601), the control center (603) sends a control instruction to the low-power-consumption LED display screen (605), the speed measurement camera (606) and the real object capture camera (607) are installed on one surface of the low-power-consumption LED display screen (605) facing to the first energy capture deceleration strip (1) or the second energy capture deceleration strip (2), and the speed measurement camera (606) monitors the driving speed of a vehicle in front of the camera, the object capturing camera (607) monitors the driving-away dynamic state of the vehicle in front of the camera;
the energy harvesting deceleration strip I (1) and the energy harvesting deceleration strip II (2) collect electric energy generated by rolling of a vehicle and supply power to the two early warning modules (6); the intelligent warning board comprises two early warning modules (6), the two early warning modules (6) are in wireless connection through a wireless transmission module (604), the input end of the wireless transmission module (604) in each early warning module (6) is connected with a speed measurement camera (606) and a real object capture camera (607), the output end of the wireless transmission module (604) in each early warning module (6) is connected with a low-power-consumption LED display screen (605) through a control center (603), and information of a real-time vehicle passing through is transmitted to the intelligent warning board II (4) and the intelligent warning board I (3) through electric signals respectively by the first energy capturing deceleration strip (1) and the second energy capturing deceleration strip (2) and is displayed through the low-power-consumption LED display screen (605).
2. The self-powered curved crossing warning system of claim 1, wherein: the camera (606) that tests the speed is on transmitting the information of gathering to intelligent warning sign two (4) or on transmitting intelligent warning sign one (3) from intelligent warning sign two (4) wireless, the material object is caught camera (607) and is transmitted the information of gathering to intelligent warning sign two (4) on or from or intelligent warning sign two (4) wireless transmission to intelligent warning sign one (3) from intelligent warning sign one (3) wireless to show through low-power consumption LED display screen (605) respectively.
3. The self-powered curved crossing warning system of claim 1, wherein: the structure of one (1) energy harvesting deceleration strip and two (2) energy harvesting deceleration strips is the same, the structure of one (3) intelligent warning board and two (4) intelligent warning board is the same, and the fully sealed power generation units (5) in the one (1) energy harvesting deceleration strip and the two (2) energy harvesting deceleration strips are elastically connected with the deceleration strips.
4. The self-powered curved crossing warning system of claim 1, wherein: the central control rod (601) is of a hollow cylinder structure, a circuit is arranged inside the central control rod (601), a rectangular front-back through notch is formed in the middle upper section of the central control rod (601), and the notch is used for installing a power management module (602), a control center (603) and a wireless transmission module (604).
5. The self-powered curved crossing warning system of claim 1, wherein: the cylindrical protective shell of the power management module (602), the control center (603) and the wireless transmission module (604) is of an integrated structure and is fixed on the central control rod (601) through a bolt structure, and a circular safety door is arranged on the shell.
6. The self-powered curved crossing warning system of claim 1, wherein: the power management module (602) rectifies, filters and stores the electric energy collected by the fully-sealed power generation unit (5), and is provided with a voltage threshold; when the voltage does not meet the voltage threshold, continuing to charge; when the voltage meets the voltage threshold, the electric energy is transmitted outwards; the power management module (602) supplies power for the control center (603), the wireless transmission module (604), the low-power LED display screen (605), the speed measurement camera (606) and the object capture camera (607).
7. The self-powered curved crossing warning system of claim 1, wherein: the wireless transmission module (604) uses a Zigbee module for short-distance wireless transmission, and the wireless transmission module (604) is used for transmitting information monitored by a speed measuring camera (606), information monitored by a real object capturing camera (607) and electric signals generated by a lane rolling energy capturing deceleration strip I (1) or an energy capturing deceleration strip II (2).
8. The self-powered curved crossing warning system of claim 1, wherein: when the speed measuring camera (606) monitors the speed of a vehicle driving right in front of the camera, firstly, the vehicle is judged to drive to a curve according to the key feature information of the vehicle head, and the key feature of the vehicle head is a headlight or a front windshield; secondly, the speed measurement camera (606) is provided with two pixel lines corresponding to a road area with the length of 3m, and the time t when the vehicle head contacts the boundary lines of the two sides of the road area is recorded; finally, an average vehicle speed of 3/t meters per second, i.e., 10.8/t kilometers per hour, was obtained, with the result that one digit after the decimal point was retained.
9. The self-powered curved crossing warning system of claim 1, wherein: when the real object capturing camera (607) monitors the driving-away dynamic state of the vehicle right in front of the camera, when the real object capturing camera (607) captures the key characteristic information of the tail of the vehicle, the vehicle is judged to be driven away from the curve; the key feature information of the tail of the vehicle is tail light or rear windshield.
10. The self-powered curved crossing warning system of claim 1, wherein: the low-power-consumption LED display screen (605) is composed of red light-emitting diodes, and the screen display content of the low-power-consumption LED display screen (605) comprises the following components: 10.8/t km/h' and a high-performance transparent protective shell is arranged on the surface of the low-power-consumption LED display screen (605).
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