Deceleration strip night safe passing device

Through wireless geomagnetic vehicle detectors and V2I communication systems, combined with LED light strips and solar power supply, the problem of poor visibility of speed bumps at night is solved, night driving safety and intelligent deceleration reminders are achieved, and the driver's reaction time is improved.

CN223446028UActive Publication Date: 2025-10-17SHANDONG JIAOTONG UNIV
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Patent Information

Application Number
CN202422388914.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-29
Publication Date
2025-10-17
Estimated Expiration
2034-09-29

AI Technical Summary

Technical Problem

Existing speed bumps have poor visibility at night, making it difficult for drivers to identify their location and unable to slow down in advance, which can easily lead to traffic accidents.

Method used

A wireless geomagnetic vehicle detector is used to detect vehicle signals. Combined with a wireless communication device and a control device, early warning information is sent to the vehicle through V2I communication equipment. LED light strips and flashing warning lights are used to remind the driver. The built-in solar power supply system ensures night visibility and stable power supply.

Benefits of technology

It improves the visibility of speed bumps at night and the driver's reaction time, enhances the communication between traffic facilities and vehicles, ensures night driving safety, and reduces energy consumption.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of traffic facilities, and discloses a speed bump night safe passing device which comprises a speed bump and a wireless geomagnetic vehicle detector. A warning device, a control device, a wireless communication device and a communication device are arranged in the deceleration strip. The wireless geomagnetic vehicle detectors are embedded in the front side and the rear side of a lane having a certain distance from the deceleration strip and used for detecting vehicle signals. The wireless communication device receives a detected vehicle signal and transmits the vehicle signal to the control device; the control device generates different early warning commands according to the vehicle signals and issues the different early warning commands to the warning device and the communication device; the warning device is started according to the received early warning command, and the communication device sends early warning information to the vehicle. The visual warning function is improved through the lamp strip and the flashing warning lamp, vehicle passing detection and timely early warning are completed in advance through the wireless geomagnetic vehicle detector, the wireless communication device, the communication device and the vehicle-mounted communication equipment, the complexity of the device is simplified, and meanwhile sufficient response time is provided for a driver.
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Description

TECHNICAL FIELD

[0001] The utility model relates to traffic facilities technical field especially relates to a deceleration strip night safe passing device. BACKGROUND

[0002] In road traffic facilities, deceleration strip is very important traffic safety tool, is installed on the road and makes through vehicle deceleration traffic facilities, shape is generally arcuate strip, material quality is mainly rubber material, color is usually yellow and black alternately, makes road surface slightly arches certain height to reach the purpose of vehicle deceleration, is used more in highway intersection, industrial and mining enterprises, school, residential quarter entrance and other traffic accident-prone road section.

[0003] The deceleration strip currently put into use has good deceleration effect, but its visibility is poor at night, especially in the insufficiently illuminated road section, which easily leads to the driver's inability to identify the position of the deceleration strip, the insufficient reaction time makes it impossible to decelerate in advance, and thus causes traffic accidents such as rollover and collision. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a deceleration strip night safe passing device to solve the problem that insufficient night lighting affects the driver's identification of the position of the deceleration strip and the inability to decelerate in advance, so that the driver can obtain information about whether there is a deceleration strip in front, accurately identify the position of the deceleration strip and decelerate in advance for safe driving.

[0005] The utility model adopts the scheme: a deceleration strip night safe passing device, including deceleration strip and wireless geomagnetic vehicle detector;

[0006] The deceleration strip is a hollow arch structure, and warning devices, control devices, wireless communication devices and communication devices are built-in;

[0007] The wireless geomagnetic vehicle detector is embedded on the front and rear sides of the lane at a certain distance from the deceleration strip and is used for detecting vehicle signals;The vehicle signals include whether there is a vehicle passing, the instantaneous speed of the passing vehicle and the time when the passing vehicle approaches the deceleration strip;

[0008] The wireless communication device is electrically connected with the control device, the wireless communication device communicates with the wireless geomagnetic vehicle detector, is used for receiving the detected vehicle signal and transmitting to the control device;The control device is electrically connected with the warning device and the communication device, and the control device is used for generating different early warning commands according to the vehicle signal and issuing to the warning device and the communication device;The warning device is turned on according to the received early warning command, and the communication device sends early warning information to the vehicle.

[0009] Further, the warning device comprises a light strip and a flashing warning light, wherein the flashing warning light is opened in different warning colors according to different received early warning commands.

[0010] Further, the light strip and the flashing warning light are both LED lights.

[0011] Further, the speed bump comprises strip-shaped limiting plates arranged on the upper and lower sides, and a plurality of transversely spaced connecting plates and top plates are arranged in the middle of the speed bump; the light strip is embedded in the strip-shaped limiting plate; the center of the top plate is provided with a circular hole for arranging the flashing warning light.

[0012] Further, the speed bump body is further provided with a power supply device.

[0013] Further, the power supply device comprises a solar panel and a storage battery.

[0014] The solar panel is embedded in the connecting plate and has the same hollow arch shape as the speed bump; the solar panel is connected with the storage battery, and converts solar energy into electrical energy and stores the electrical energy in the storage battery.

[0015] Further, the storage battery is used for supplying power to the device, and the warning device, the control device, the wireless communication device and the communication device are all connected with the storage battery; when the power generation efficiency of the solar panel is lower than 20% of the peak power generation efficiency, it indicates that the illumination is low, and the device enters the activated state.

[0016] Further, the strip-shaped limiting plate is composed of a high-hardness transparent material with a certain width.

[0017] Further, the connecting plate and the circular hole are both transparent; the circular hole is embedded in the warning frame, the warning frame is yellow, the width of the warning frame is the same as the diameter of the circular hole, and the length of the warning frame is greater than the diameter of the circular hole and less than the length of the top plate; other positions of the top plate are black.

[0018] Further, the communication device sends early warning information to a vehicle equipped with a vehicle-mounted communication device, and the vehicle-mounted communication device gives a speed bump early warning prompt to the driver.

[0019] The beneficial effects of the above scheme are as follows:

[0020] 1) The wireless geomagnetic vehicle detector can detect whether a vehicle passes through, obtain the instantaneous speed of the vehicle, predict the time when the vehicle approaches the speed bump, and then timely adjust the flashing color of the flashing warning light, and also provide a certain reaction time for the driver through early lighting and timely communication warning.

[0021] 2) The utility model discloses improve the concept of the visibility of deceleration strip night, when the vehicle is about to drive through deceleration strip at night, the light band and the flickering warning light activate work, can be visually significantly remind the driver to drive at low speed, prevent ordinary LED light not obvious at the evening time, and the warning device opens when the vehicle passes, avoid whole night long time illumination, reduce the energy consumption of power supply device.

[0022] 3) The utility model discloses only through wireless geomagnetic vehicle detector, wireless communication device can complete vehicle passing detection in advance, through V2I communication equipment and vehicle-mounted communication equipment mutual communication, activate the vehicle-mounted unit, enhanced the exchange between traffic facilities and driver, make deceleration strip more intelligent, simplify the complexity of device while ensuring night driving safety.

[0023] The advantages of the additional aspects of the utility model will be partly given in the following description, some will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0024] The drawings accompanying the specification of the utility model form a part thereof, serve to provide further understanding of the utility model, and together with the description of the exemplary embodiments of the utility model and its explanation serve to explain the utility model, and do not constitute improper limitation on the utility model.

[0025] Figure 1 It is the overhead view of deceleration strip in the embodiment of the utility model;

[0026] Figure 2 It is the device connection block diagram in the embodiment of the utility model;

[0027] Among them, 1, connecting plate, 2, strip limiting plate, 3, warning frame, 4, round hole, 5, top plate, 6, deceleration strip. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiment of the utility model will be clearly and completely described in the following in combination with the drawings in the embodiment of the utility model. It should be pointed out that the following detailed description is all exemplary, and aims at providing further explanation of the utility model. Unless otherwise indicated, all technical and scientific terms used in this paper have the same meaning as that understood by ordinary skilled person in the technical field to which the utility model belongs.

[0029] It should be noted that the terms used here are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the utility model.

[0030] Embodiment one

[0031] A kind of deceleration strip night safety passing device, including: a kind of deceleration strip night safety passing device, including deceleration strip 6 and wireless geomagnetic vehicle detector;

[0032] The speed bump 6 is a hollow arch structure, which is internally provided with a warning device, a control device, a wireless communication device and a communication device;

[0033] The wireless geomagnetic vehicle detector is embedded on both sides of the lane in front of and behind the speed bump 6 at a certain distance, and is used for detecting vehicle signals; the vehicle signals include whether a vehicle passes, the instantaneous speed of the passing vehicle, and the time when the passing vehicle approaches the speed bump;

[0034] The wireless communication device is electrically connected with the control device, the wireless communication device communicates with the wireless geomagnetic vehicle detector, and is used for receiving the detected vehicle signals and transmitting them to the control device; the control device is electrically connected with the warning device and the communication device, and is used for generating different early warning commands according to the vehicle signals and issuing them to the warning device and the communication device; the warning device is turned on according to the received early warning command, and the communication device sends early warning information to the vehicle.

[0035] In the embodiment, the communication device selects a V2I communication device, the wireless geomagnetic vehicle detector can be selected as a VD410B model, and the vehicle includes but is not limited to a car, a motorcycle, an electric vehicle, a bicycle and the like.

[0036] As shown in Figure 1 The speed bump 6 includes strip-shaped limiting plates 2 on the upper and lower sides, a plurality of connecting plates 1 and a top plate 5 are arranged in the middle and are distributed transversely and at intervals; the strip-shaped limiting plates 2 are composed of high-hardness transparent materials with a certain width, such as high-pressure-resistant glass. Among them, the connecting plates 1 and the circular holes 4 are transparent; the circular holes 4 are embedded in the warning frame 3, the warning frame 3 is yellow, the width is the same as the diameter of the circular hole 4, and the length is greater than the diameter of the circular hole 4 and less than the length of the top plate 5; the other positions of the top plate 5 are black.

[0037] Yellow is used to remind the driver to pay attention to the position of the speed bump, and black can prevent the built-in equipment of the speed bump from being exposed to the sun for a long time.

[0038] In the embodiment, the warning device includes a lamp strip and a flashing warning light, wherein the flashing warning light turns on different warning colors according to different early warning commands received.

[0039] The wireless communication device receives the instantaneous speed obtained by the wireless geomagnetic vehicle detector and transmits it to the control device, and the control device outputs different early warning commands according to the vehicle signals. Specifically, the wireless geomagnetic vehicle detector is symmetrically embedded on each lane at a distance of 150 m from the speed bump, when it detects that a vehicle passes, it obtains the instantaneous speed of the vehicle, and transmits the vehicle signal to the control device through the wireless communication device, the control device makes a decision according to the input vehicle signal, and outputs different early warning commands. After receiving the early warning command transmitted by the control device, the lamp strip and the flashing warning light are turned on and can be turned on for 20 s.

[0040] In the embodiment, the lamp strip and the flickering warning light both adopt LED lights; the control device can select AT89S51 single-chip microcomputer or a processing chip.

[0041] When the lamp strip and the flickering warning light are turned on, the V2I communication device sends early warning information to the vehicle equipped with the vehicle-mounted communication device, the vehicle-mounted communication device early warns the driver, and reminds the driver to pay attention to the front vehicle which will pass through the speed reduction zone.

[0042] In the embodiment, the V2I communication device can select RSU device; the vehicle-mounted communication device can select vehicle-mounted OBU device.

[0043] The wireless geomagnetic vehicle detector can not only detect whether a vehicle passes through, but also acquire the instantaneous speed of the vehicle, predict the time when the vehicle approaches the speed reduction zone, and then timely adjust the flickering color of the flickering warning light, and also provide a certain reaction time for the driver through early lighting and timely communication early warning.

[0044] In the embodiment, in addition to the warning device, the control device, the wireless communication device and the communication device, the speed reduction zone 6 is also provided with a power supply device. The power supply device includes a solar panel and a storage battery; the solar panel is embedded in the connecting plate 1 and has the same hollow arch shape as the speed reduction zone 6; the solar panel is connected with the storage battery, and converts solar energy into electrical energy and stores it in the storage battery.

[0045] The storage battery is used for power supply of the devices, and the warning device, the control device, the wireless communication device and the communication device are all connected with the storage battery.

[0046] When the power generation efficiency of the solar panel is lower than 20% of the peak power generation efficiency, it indicates that the illumination is low, and the device enters the activated state to avoid the influence of the vehicle light on the device.

[0047] In view of the working time length of the storage battery in continuous rainy days, a power control chip is arranged in the control device, when the storage battery voltage input into the power control chip is lower than a specific voltage, the output power of the warning device is adjusted to 40% of the rated power, at this time, each device enters the energy-saving state from the activated state, and the discharge amount of the storage battery is reduced, thereby prolonging the power supply time in rainy days. The storage battery voltage when the discharge amount of the storage battery reaches 70% is calibrated and set as the specific voltage.

[0048] The power control chip used in the above is an existing control chip, and the power control process is an existing technology.

[0049] In the embodiment, the vehicle detection can be completed only through the wireless geomagnetic vehicle detector and the wireless communication device, the V2I communication device and the vehicle-mounted communication device communicate with each other, activate the vehicle-mounted unit, enhance the exchange between the traffic facilities and the driver, make the speed reduction zone more intelligent, simplify the complexity of the device, and ensure the safety of driving at night.

[0050] In the embodiment, the detailed process of the speed bump night safety passing device for speed bump reminding is as follows:

[0051] The vehicle first passes the wireless geomagnetic vehicle detector embedded in the two sides of the road, the wireless geomagnetic vehicle detector detects the passing of the vehicle and obtains the instantaneous speed of the vehicle, predicts the time when the vehicle approaches the speed bump, and transmits a signal to the wireless communication device in the speed bump 6 150 m ahead. The wireless communication device receives the vehicle signal transmitted by the wireless geomagnetic vehicle detector and transmits it to the control device, the control device makes a decision according to the input signal, outputs different early warning commands, and the light strip in the speed bump 6 strip limiting plate 2 and the flashing warning light in the circular hole 4 receive the early warning command and open, and adjust the flashing color of the flashing warning light according to the instantaneous speed of the vehicle:

[0052] When the instantaneous speed of the vehicle is less than 40 km / h, the flashing warning light flashes yellow light at a lower frequency; when the instantaneous speed of the vehicle is greater than 60 km / h, the flashing warning light flashes red and yellow light alternately at a higher frequency.

[0053] At the same time, after the V2I communication device receives the early warning command transmitted by the control device, it sends early warning information to the vehicle, so that the vehicle equipped with the vehicle-mounted communication device can communicate with the V2I communication device in the speed bump 6 in the vehicle and warn the driver, timely reminding the driver that the speed bump will be passed in front, ensuring the safety of night driving.

[0054] Although the specific embodiments of the utility model have been described in combination with the drawings, it is not a limitation on the protection scope of the utility model, and those skilled in the art should understand that various modifications or deformations made by those skilled in the art on the basis of the technical scheme of the utility model without creative labor are still within the protection scope of the utility model.

Claims

1. A speed bump nighttime safety device, characterized in that: Includes speed bumps and wireless geomagnetic vehicle detectors; The speed bump is a hollow arch structure with a built-in warning device, a control device, a wireless communication device and a communication device; The wireless geomagnetic vehicle detector is embedded in the front and rear sides of a lane at a certain distance from the speed bump, and is used to detect vehicle signals; the vehicle signals include whether there is a vehicle passing, the instantaneous speed of the passing vehicle, and the predicted time when the passing vehicle approaches the speed bump; The wireless communication device is electrically connected to the control device, and the wireless communication device communicates with the wireless geomagnetic vehicle detector to receive the detected vehicle signal and transmit it to the control device; the control device is electrically connected to the warning device and the communication device, and the control device is used to generate different warning commands according to the vehicle signal and send them to the warning device and the communication device; The warning device is turned on according to the received warning command, and the communication device sends warning information to the vehicle.

2. A speed bump nighttime safety device as claimed in claim 1, characterized in that: The warning device includes a light strip and a flashing warning light, wherein the flashing warning light turns on different warning colors according to different early warning commands received.

3. The speed bump nighttime safety device according to claim 2, characterized in that: The light strip and the flashing warning light are both LED lights.

4. The speed bump nighttime safety device according to claim 2, characterized in that: The speed bump includes strip-shaped limiting plates located on the upper and lower sides, with multiple connecting plates and a top plate distributed laterally in the middle; the light strip is embedded in the strip-shaped limiting plates, and a circular hole is provided in the center of the top plate for arranging a flashing warning light.

5. The speed bump nighttime safety device according to claim 1, characterized in that: A power supply device is also provided in the speed reduction belt.

6. The speed bump nighttime safety device according to claim 5, characterized in that: The power supply device includes a solar panel and a battery; The solar panel is embedded in the connecting plate and has the same hollow arch shape as the speed bump; the solar panel is connected to the battery and converts solar energy into electrical energy and stores it in the battery.

7. The speed bump nighttime safety device according to claim 6, characterized in that: The battery is used to power the device, and the warning device, control device, wireless communication device and communication device are all connected to the battery; when the power generation efficiency of the solar panel is lower than 20% of its peak power generation efficiency, it indicates that the illumination is low and the device enters the activation state.

8. The speed bump nighttime safety device according to claim 4, characterized in that: The strip-shaped limiting plate is made of a high-hardness transparent material with a certain width.

9. The speed bump nighttime safety device according to claim 4, characterized in that: The connecting plate and the circular hole are both transparent; the circular hole is embedded in the warning frame, the warning frame is yellow, has the same width as the diameter of the circular hole, and a length greater than the diameter of the circular hole and less than the length of the top plate; the rest of the top plate is black.

10. The speed bump nighttime safe passage device according to claim 1, characterized in that: The communication device sends warning information to a vehicle equipped with an on-board communication device, and the on-board communication device issues a speed bump warning prompt to the driver.