Relay circuit-based real-time detection and rapid early warning system for highway collapse accidents

Abstract

The invention provides an expressway collapse accident real-time detection and rapid early warning system based on a relay circuit. The expressway collapse accident real-time detection and rapid early warning system comprises a ground detection system based on the relay circuit, a center display system, a multi-point layout scheme oriented to a relay danger warning system and a road collapse detection and early warning method. The system is arranged on the road surface of the expressway, and when the road surface collapses, the detection circuit is disconnected, the relay switches the contacts, the audible and visual alarm is triggered, high-decibel alarm sound is given out, and the warning lamp flashes so as to remind a driver to avoid danger. Meanwhile, the wireless alarm system adopting the LPWAN technology sends alarm information to the central display system, and the collapse position is displayed in real time. The multi-point layout scheme ensures comprehensive monitoring of large-area road sections. The scheme has the characteristics of quick response, stability, reliability, low cost and quick deployment, the limitation of a traditional method is effectively overcome, and safe driving of the expressway in various environments is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of highway safety, in particular to a real-time detection and rapid warning system for highway collapse accidents based on a relay circuit. Background Art

[0002] As an important part of the national transportation network, the safety of highways is directly related to the safety of people's lives and property. In recent years, extreme weather events have occurred frequently, and highway road collapse accidents have occurred from time to time, posing a serious threat to the safety of people's lives and property.

[0003] When driving on a highway at night or in bad weather conditions such as heavy rain, fog or snowstorms, the driver's visibility will be greatly reduced, making it difficult for them to detect abnormal road conditions in time. At this time, even a small-scale landslide may cause a serious traffic accident if the driver is unable to avoid it in time. It can be seen that road landslides pose a great threat to vehicles traveling at high speeds when visibility is limited.

[0004] The current detection methods are mainly manual inspection or camera monitoring. Manual inspection cannot achieve real-time detection, and the inspection difficulty is further increased in bad weather; while camera monitoring is limited by visibility, and the monitoring effect at night or in bad weather cannot meet safety needs. Therefore, there is an urgent need for an automated, efficient and real-time responsive road collapse detection and alarm system to ensure that the danger of road collapse can be discovered and warned in a variety of complex scenarios with limited visibility, thereby ensuring the driving safety of highways. Summary of the invention

[0005] In view of this, the present invention proposes a real-time detection and rapid warning system for highway landslide accidents based on relay circuits. The system detects road landslide accidents with the help of the reliability and immediacy of relay circuits, and promptly notifies the remote control center through a wireless alarm system. The designed relay circuit has the characteristics of rapid response, stability and reliability, low cost, and rapid deployment, and can instantly trigger the alarm device when the road collapses. Combined with the designed alarm method, the system can work efficiently under adverse conditions such as low visibility and bad weather, effectively overcoming the limitations of traditional methods and ensuring safe driving of highways in various environments.

[0006] A real-time detection and rapid warning system for highway collapse accidents based on relay circuits, comprising: Ground detection system and central display system based on relay circuit; The ground detection system based on the relay circuit includes a detection power supply system, a danger warning system based on the relay circuit, a wireless alarm system, a cable device and a voltage dividing device; The detection power supply system forms a closed loop through a cable device and a plurality of voltage-dividing devices, each voltage-dividing device corresponds to a set of danger warning system and wireless alarm system based on relay circuits, and the danger warning system and wireless alarm system based on relay circuits are connected to the detection power supply system in parallel with the voltage-dividing devices; The central display system includes a wireless receiving device and a display system; the wireless receiving device is responsible for receiving signals from the wireless alarm system and transmitting the signals to the display system; the display system is used to display the specific collapse location and alarm information; The ground detection system based on relay circuits determines whether a landslide accident has occurred by the conduction status of the relay circuits. It is deployed next to the highway based on a multi-point layout plan and connected to each other through cable equipment.

[0007] On the basis of the above scheme, the danger warning system based on relay circuit includes: an alarm power supply system, a relay device, a working status indicator light, a circuit protection device, and an audible and visual alarm, wherein: The alarm power supply system includes one or more of a solar panel and a battery, the solar panel being installed on the roadside equipment and used to charge the battery on the basis of normal power supply; The relay device is composed of a relay coil, a relay spring, a moving contact, a static contact, and a relay frame; when the road surface is in good condition, the working indicator light and the detection circuit are in an enabled state; when the road surface collapses, the local relay circuit-based road section hazard warning system and other relay circuit-based road section hazard warning systems within a certain distance along the line are enabled through contact switching, triggering the sound and light alarm and the wireless alarm system, so that the moving vehicles can avoid danger in time, the center personnel can detect accidents in time and take emergency plans.

[0008] The working status indicator light is a light emitting diode device, which continuously conducts and emits light when the system is working normally, so as to facilitate remote or on-site inspection of the operating status of the system.

[0009] The circuit protection device is a blocking diode that prevents current from flowing from the load or battery back to the main power supply, ensuring the stability and reliability of the system.

[0010] The sound and light alarm is activated by the relay circuit when the road surface collapses, and emits an alarm sound and provides a visual warning.

[0011] On the basis of the above scheme, the danger warning system is installed on the poles on both sides of the highway so that vehicles near the sound and light alarm can take safety measures such as braking as soon as possible.

[0012] The battery panel is specifically a solar panel, which is arranged on the top of the pole; The sound and light alarm is arranged in the middle of the vertical pole; The working indicator light is arranged at the lower part of the vertical pole.

[0013] On the basis of the above scheme, the wireless alarm system adopts LPWAN system. The wireless alarm system adopts low power wide area network (LPWAN) technology, which has the main characteristics of long battery life, wide coverage, large capacity, low equipment and deployment cost. LPWAN technology is used to ensure timely transmission of information and achieve long-term stable operation of the system. When a circuit break is detected, the alarm information such as the circuit break location is immediately sent to the remote central control system to achieve timely response and processing.

[0014] On the basis of the above scheme, the multi-point layout scheme is specifically as follows: The detection system is evenly distributed and installed on the left and right edges of the highway; cable equipment is laid under the road surface to connect the detection equipment, forming a complete communication and power supply network; cables are laid along both sides of the highway to ensure that each device can obtain a stable power supply and transmit detection data.

[0015] On the basis of the above scheme, the road collapse early warning method is as follows: the present invention does not rely on any special detection equipment, and mainly judges whether the road surface is destroyed by collapse or debris flow by the circuit conduction condition, and can realize continuous long-distance road section detection. The ground detection system based on the relay circuit is integrated into a set of equipment, which is deployed beside the highway based on the multi-point layout scheme, and is connected to each other through cable equipment, and the cable equipment is used to power the main circuit. When the road condition is normal, the roadside power supply is normally powered, and the relay coils of all ground detection systems based on the relay circuit are energized to close the relay switch. At this time, the working state indicator light-emitting diode is turned on and emits light, the alarm power supply system is in a charging state, and the alarm system does not work. When the road collapses, the circuit system is destroyed, and any circuit position disconnection will cause the entire area to be without roadside power supply. At this time, the relay coil has no current, so that the relay switch changes from closed to open state, and the alarm power supply system starts to work. The battery of the danger warning system powers the sound and light alarm and the low-power wide area network module. When the sound and light alarm is activated, a high-decibel alarm sound will be emitted, accompanied by a strong visual warning light that continues to flash brightly to remind the driver to pay attention to the road danger ahead. At the same time, the wireless alarm system quickly transmits the disconnection location and related alarm information to the central display system through LPWAN technology. After receiving the alarm signal, the central display system will update the display content in real time, indicate the specific collapse location, and immediately notify the remote control center. This ensures that management personnel can quickly respond to and handle sudden collapse accidents, effectively ensuring the driving safety of the highway.

[0016] The road collapse early warning method uses the method that the relay switch is closed in a safe state and does not trigger an alarm, and the relay switch is disconnected when a collapse occurs, triggering an alarm to achieve an alarm. The goal of this method is that when any adverse factors occur, the switch is in a disconnected state to ensure accurate warning of collapse accidents.

[0017] Beneficial effects of the present invention: By deploying a ground detection system based on relay circuits on the road surface, road collapse can be detected instantly and an alarm can be triggered immediately, which significantly improves the timeliness of road collapse detection and ensures the safety of vehicles in limited visibility. Based on the reliability of relay equipment and the rapid response in the circuit, the alarm device can be stably and efficiently activated when encountering road collapse to achieve a rapid and safe response to highway collapse accidents. The multi-point layout and networking design for the relay emergency warning system enables the system to cover a wide range of road sections while accurately detecting specific collapsed sections. The wireless alarm system uses LPWAN technology to send alarm information to the remote central control system for timely response and processing. Through efficient detection and alarm mechanisms, it can adapt to various complex environmental conditions and significantly improve the safety and accident prevention capabilities of highways. The road collapse warning method based on relay circuits can accurately detect the area of ​​the collapsed section and provide reliable landslide warnings for vehicles in the area to ensure the safety of vehicles in the area. At the same time, it enables center managers to quickly implement emergency plans and command vehicles in other areas to implement risk avoidance plans in advance to avoid road congestion and other subsequent accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of a real-time detection and rapid warning system for highway collapse accidents based on a relay circuit provided by an embodiment of the present invention; Figure 2 A circuit diagram of a highway landslide accident real-time detection and rapid warning system based on a relay circuit provided by an embodiment of the present invention; Figure 3 A schematic diagram of a real-time detection and rapid warning system for highway collapse accidents based on a relay circuit provided by an embodiment of the present invention; Figure 4 A schematic diagram of a real-time detection and rapid warning system for highway collapse accidents based on a relay circuit provided by an embodiment of the present invention; Figure 5 A schematic diagram of a layout scheme of a highway landslide accident real-time detection and rapid warning system based on a relay circuit provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0019] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be interpreted as limiting the present application.

[0020] Those skilled in the art will appreciate that, unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the term "comprising" used in the specification of the present application refers to the presence of the features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or groups thereof. The term "and / or" used herein includes any unit and all combinations of one or more associated listed items.

[0021] It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as generally understood by those skilled in the art to which this application belongs. It should also be understood that terms such as those defined in common dictionaries should be understood to have meanings consistent with the meanings in the context of the prior art, and will not be interpreted with idealized or overly formal meanings unless defined as herein.

[0022] To facilitate the understanding of the embodiments of the present application, the exemplary embodiments of the present application are further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than an exhaustive list of all the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0023] like Figure 1 The real-time detection and rapid warning system for highway collapse accidents based on relay circuits includes a ground detection system based on relay circuits, a central display system, a multi-point layout scheme for relay danger warning systems, and a road collapse detection and warning method. The ground detection system includes a detection power supply system, a danger warning system based on relay circuits, a wireless alarm system, a cable device, and a voltage divider device. The detection power supply system forms a closed loop with multiple voltage dividers through cable devices. Each voltage divider device corresponds to a set of danger warning systems and wireless alarm systems based on relay circuits. The danger warning systems and wireless alarm systems based on relay circuits are connected to the detection circuit system in parallel with the voltage divider devices.

[0024] The central display system is responsible for receiving remote alarm signals and displaying the location of the landslide, so that the remote control center can understand the status of the road section in real time and take corresponding measures.

[0025] like Figure 2 and Figure 3 As shown in the figure, the circuit principle of the highway landslide accident real-time detection and rapid warning system based on relay circuit is as follows: The relay enable switch is an electrical switch that uses current to control the switch circuit. Its core principle is based on electromagnetic induction: when current passes through the relay coil, a magnetic field is generated, and this magnetic field attracts the switch contacts, thereby realizing the switching of the circuit.

[0026] The relay of the present invention mainly includes the following components: Coil: The coil is the core component of the relay, which generates a magnetic field through the current. The resistance of the coil and the number of windings determine its operating voltage and current. When the current passes through the coil, it will generate a magnetic field strong enough to attract the moving contact.

[0027] Relay Coil: The relay coil is the core component of the relay enabling switch, which generates a magnetic field through the current. The resistance and number of windings of the relay coil determine its operating voltage and current. When the current passes through the relay coil, it generates a magnetic field strong enough to attract the moving contact.

[0028] Relay spring: Relay springs are used to ensure that the moving contact automatically returns to its original position when there is no current. Its elasticity enables the relay to enable the switch to quickly switch circuits, respond quickly to emergencies, and quickly alarm.

[0029] Moving contact: The moving contact is the movable part that contacts the static contact. Under normal working conditions, the relay coil is energized, the moving contact is attracted by the magnetic field, and closes with the static contact on the left, completing the connection of the detection circuit. When an accident occurs, the relay coil loses power supply, and the moving contact quickly closes with the static contact on the right under the action of the relay spring, triggering the alarm circuit.

[0030] Static contact: The static contact is a fixed part connected to the detection circuit. The left static contact is connected to the detection circuit, and the right static contact is connected to the alarm circuit.

[0031] Relay Frame: The frame protects internal components, provides structural support, and provides insulation to prevent current leakage or short circuits.

[0032] When the road surface is in good condition, the working indicator light display and detection circuit are enabled. When the road surface collapses, the enabling circuit is switched through contact switching, enabling the local relay circuit-based road section danger warning system and other relay circuit-based road section danger warning systems within a certain distance along the line, and by triggering the sound and light alarm and wireless alarm system, the moving vehicles can avoid danger in time, the center personnel can detect the accident in time and take emergency plans.

[0033] The present invention does not rely on any special detection equipment, and mainly determines whether the road surface is destroyed by landslide or mud-rock flow by the circuit conduction condition, and can realize continuous long-distance road section detection. The ground detection system based on the relay circuit is integrated into a set of equipment, which is deployed beside the highway based on a multi-point layout scheme, and is connected to each other through cable equipment, which supplies power to the main circuit.

[0034] When the road condition is normal, the roadside power supply is normal, the blocking diode D1 is normally turned on, the relay coil of the ground detection system based on the relay circuit is energized to close the relay switch, and the working status indication light-emitting diode LED1 is turned on to light up, the diode D2 is normally turned on, the alarm power supply system is in a charging state, and the alarm system does not work.

[0035] When a road collapse occurs, the circuit system is destroyed, and any circuit breakage will cause the entire area to be without roadside power supply. At this time, the relay coil has no current, causing the relay switch to change from closed to open, and the alarm power supply system starts to work. The battery of the danger warning system powers the sound and light alarm and the low-power wide area network module. When the sound and light alarm is activated, it will emit a high-decibel alarm sound, accompanied by a strong visual warning light that continues to flash brightly to remind the driver to pay attention to the road danger ahead. At the same time, the wireless alarm system quickly transmits the circuit break location and related alarm information to the central display system through LPWAN technology. After receiving the alarm signal, the central display system will update the display content in real time, indicate the specific collapse location, and immediately notify the remote control center. Through this design, the system can not only trigger the alarm at the first time of road abnormality, but also maintain continuous power supply in an emergency, ensuring the stable operation of the system and timely response to emergencies such as collapses.

[0036] like Figure 4 As shown in the figure, a specific installation embodiment of the real-time detection and rapid warning system of highway collapse accidents based on relay circuits: the sound and light alarm is installed on the poles on both sides of the highway. During installation, first loosen the matching screws and nuts connected to the U-shaped clamps, and insert the matching M1040 screws into the aluminum groove on the back of the alarm. Next, insert the two U-shaped clamps into the poles and match them with the M1040 screws on the back of the alarm, and finally fix and lock them with a wrench. The clamp size is 76mm to ensure a firm and reliable installation.

[0037] The alarm volume can reach 120dB, and the arc-shaped horn can reduce sound wave loss, make the sound more concentrated, and effectively improve the alarm effect. The sound and light alarm can operate normally in the operating temperature range of -20℃~60℃, the working humidity is 10%~90% (non-condensing), and the IP65 protection level is adopted to ensure that it can work stably in various adverse weather conditions.

[0038] A 20W monocrystalline silicon solar panel is installed on the top of the pole. The solar panel is designed to provide auxiliary power on the basis of normal power supply and charge the system's battery. The working voltage is 18V, the working current is 1.11A, and the working temperature is -40℃~85℃. Even if the cable is powered off, the system can continue to work for 12 hours relying on the battery to ensure the continuous operation of the detection system.

[0039] The working status indicator light is located at the bottom of the pole and is designed to light up continuously. Its main function is to indicate the normal operating status of the system, so that remote or on-site personnel can detect the working status of the equipment in real time.

[0040] The entire system design focuses on safety and reliability. Through reasonable installation and high-performance components, the system can effectively detect road collapse on highways and issue alarms in time to protect driving safety.

[0041] like Figure 5 As shown in the figure, the specific embodiment of the multi-point layout scheme of the real-time detection and rapid warning system of highway collapse accidents based on relay circuits is as follows: the detection system equipment is evenly distributed on the left and right edges of the highway, installed at intervals of 500 meters. Each system includes 20 devices on the left and right sides, covering a 4.5-kilometer section of the road. The cables laid under the road surface connect these detection devices to form a complete communication and power supply network. The cables are laid along both sides of the highway to ensure that each device can obtain a stable power supply and transmit detection data.

[0042] This layout scheme realizes comprehensive detection of all areas where landslides may occur within the 4.5-kilometer section through reasonable equipment distribution and cable connection, forming a complete safety monitoring network. Once a landslide is detected, the sound and light alarm will be activated immediately, triggering the linkage alarm of the equipment in the area, warning the driver to avoid driving into dangerous sections. At the same time, the low-power wide area network module will send alarm information such as the location of the circuit breaker to the central display system for timely response and processing. This layout scheme not only ensures real-time monitoring of each key section on the highway, but also can quickly respond to potential safety hazards, providing all-round safety protection.

[0043] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

Claims

1. A real-time detection and rapid warning system for highway collapse accidents based on relay circuits, characterized in that: include: Ground detection system and central display system based on relay circuit; The ground detection system based on the relay circuit includes a detection power supply system, a danger warning system based on the relay circuit, a wireless alarm system, a cable device and a voltage dividing device; The detection power supply system forms a closed loop through a cable device and a plurality of voltage-dividing devices, each voltage-dividing device corresponds to a set of danger warning system and wireless alarm system based on relay circuits, and the danger warning system and wireless alarm system based on relay circuits are connected to the detection power supply system in parallel with the voltage-dividing devices; The central display system includes a wireless receiving device and a display system; the wireless receiving device is responsible for receiving signals from the wireless alarm system and transmitting the signals to the display system; The display system is used to show the specific collapse location and alarm information; The ground detection system based on relay circuits determines whether a landslide accident has occurred by the conduction status of the relay circuits. It is deployed next to the highway based on a multi-point layout plan and connected to each other through cable equipment.

2. The system according to claim 1, characterized in that The relay circuit-based danger warning system includes: an alarm power supply system, a relay device, a working status indicator light, a circuit protection device, and an audible and visual alarm, wherein: The alarm power supply system includes one or more of a solar panel and a battery, wherein the solar panel is installed on the roadside equipment and is used to charge the battery on the basis of normal power supply; The relay device is composed of a relay coil, a relay spring, a moving contact, a static contact, and a relay frame; when the road surface is in good condition, the working indicator light and the detection circuit are in an enabled state; when the road surface collapses, the local relay circuit-based road section danger warning system and other relay circuit-based road section danger warning systems within the distance range along the line are enabled by contact switching, triggering the sound and light alarm and the wireless alarm system; The working status indicator light is a light emitting diode device, which continuously conducts and emits light when the system is working normally; The circuit protection device is a blocking diode; The sound and light alarm is activated by the relay circuit when the road surface collapses, and emits an alarm sound and provides a visual warning.

3. The system according to claim 2, characterized in that The danger warning system is installed on poles on both sides of the highway; The battery panel is specifically a solar panel, which is arranged on the top of the pole; The sound and light alarm is arranged in the middle of the vertical pole; The working indicator light is arranged at the lower part of the vertical pole.

4. The system according to claim 1, characterized in that The wireless alarm system adopts a LPWAN system.

5. The system according to claim 1, characterized in that The multi-point layout scheme is specifically as follows: The detection system is evenly distributed and installed on the left and right edges of the highway; cable equipment is laid under the road surface to connect the detection equipment, forming a complete communication and power supply network; cables are laid along both sides of the highway to ensure that each device can obtain a stable power supply and transmit detection data.

6. The system according to claim 1, characterized in that In the safe state, the relay switch is closed and no alarm is triggered; in the case of landslide, the relay switch is disconnected and an alarm is triggered.

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