Road guardrail collision alarm and accident evaluation device, system and method

Abstract

The invention discloses a highway guardrail collision alarm and accident evaluation device, system and method, and belongs to the field of highway traffic safety monitoring. The problem that an existing guardrail collision early warning system cannot judge the severity of an accident according to the damage degree of a guardrail in a low-cost and high-stability mode is solved. According to the technical scheme, the device comprises a plurality of stand columns, each stand column is provided with a collision inclination angle monitoring device, a first shell of each collision inclination angle monitoring device is internally provided with an early warning device, each early warning device comprises a second shell and a priority encoder, and a plurality of through holes are formed in the curved surface of each second shell; a plurality of accident level monitoring pieces connected to the input end of a priority encoder are fixedly connected into the second shell, the output end of the priority encoder is electrically connected to a CPU processor, the CPU processor is further electrically connected with a communication module, and the communication module is in network communication with a remote monitoring system through a communication base station; the method is applied to road traffic safety monitoring.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of highway traffic safety monitoring, in particular to a highway guardrail collision alarm and accident assessment device, system and method. BACKGROUND

[0002] With the rapid development of the transportation industry, the incidence of vehicle accidents remains high, and secondary accidents such as rear-end collisions caused by vehicles hitting guardrails on highways pose a great threat to travel safety. Currently, accident warning and subsequent disposal face two key pain points: 1. Rear vehicle warning failure: Traditional solutions focus on modifying the accident vehicle itself and installing warning devices, which cannot effectively transmit warning information to the oncoming vehicles behind, making it difficult to prevent secondary accidents. Although traffic regulations clearly require that temporary parking for accidents or breakdowns on highways should be accompanied by warning signs behind the vehicle, in actual operation, most drivers place the signs at insufficient distances, limiting the warning effect, especially in low-visibility weather such as heavy fog, where the warning signs cannot emit light, making it difficult for vehicles behind to discover the warning in time, and easily causing serious accidents such as multiple vehicle rear-end collisions.

[0003] 2. Collision point positioning and aftermath lag: After the guardrail is hit, if the collision point position cannot be determined in time, it will delay personnel rescue and guardrail replacement, further expanding life and property losses.

[0004] The current mainstream guardrail collision warning device has measurement principles mainly including acceleration measurement, optical fiber measurement, displacement measurement, and inclination alarm, but from the perspective of actual application, these technologies generally have shortcomings in cost, durability, energy consumption, etc., as follows: (1) High cost, precision and economy difficult to balance The price of a single set of guardrail collision warning device with vibration acceleration sensors and displacement sensors is 350-2000 yuan, which corresponds to a cost of 70-200 yuan per meter of guardrail, with extremely high initial investment cost; If the sensor spacing is increased to reduce cost, due to the limited action distance of vehicle collision, this will lead to a decrease in measurement accuracy, making it impossible to accurately determine the severity of the accident, forming a "cost-precision" dilemma.

[0005] (2) Insufficient durability, prone to failure in collision Optical fiber measurement and displacement measurement devices require the installation of optical fibers along the length of the guardrail plate or the intermittent installation of strain gauges and similar devices. However, the guardrail plate is the first collision contact point between the vehicle and the guardrail structure, and after the collision, the wavy structure of the guardrail plate will deform into a flat structure, and the collision is a large deformation failure. If the accident is more serious, the sensor device will be damaged or detached from the guardrail plate in the instant of collision, unable to transmit effective collision signals and completely lose functionality.

[0006] (III) The coexistence of single function and error problem Although tilt sensors operate on a different principle than the aforementioned devices and are primarily used to assess the extent of damage to guardrails after an accident, they also suffer from excessively high costs. If replaced with cheaper products such as tilt switches, the measurement error is extremely large, and the severity of the accident cannot be quantitatively analyzed, making it difficult to meet actual needs.

[0007] (iv) High energy consumption, short lifespan, and rising maintenance costs All of the above-mentioned devices require long-term power supply. Even with a solar power supplement system, the equipment lifespan is usually no more than 3 years. This not only increases long-term maintenance costs and repeated investment costs, but also increases the probability of equipment failure at night as the years of use increase, further weakening the reliability of early warning and assessment functions.

[0008] Therefore, developing a system that can trigger an alarm after a vehicle collides with a guardrail and assess the extent of the damage to the guardrail has become an important issue that urgently needs to be addressed. Summary of the Invention

[0009] To address the technical problem that existing guardrail collision warning systems cannot determine the severity of an accident based on the degree of guardrail damage in a low-cost and highly stable manner, this invention proposes a highway guardrail collision alarm and accident assessment device, system, and method. The aim is to achieve a low-energy-consumption, highly stable, and highly durable guardrail collision alarm function and complete the assessment of accident severity by improving the hardware structure of the guardrail collision warning system or by improving the combination and connection of hardware modules and / or circuits.

[0010] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is as follows: a highway guardrail collision alarm and accident assessment device, including a guardrail body, the guardrail body including a plurality of posts, one end of the posts being fixed on the highway, the other end of the plurality of posts being set on the guardrail plate, and a collision tilt angle monitoring device being set on one end of the posts near the guardrail plate. The collision tilt angle monitoring device has an early warning device installed inside the first housing. The early warning device includes a second housing and a priority encoder. Several through holes are opened on the curved surface of the second housing, and the multiple through holes are arranged in parallel. Multiple accident level monitoring components are fixedly connected inside the second housing. Each of the multiple accident level monitoring components corresponds to and cooperates with multiple through holes, and the included angles between the multiple accident level monitoring components and the horizontal plane are different. The accident level monitoring device includes a conductor, which is electrically connected to the input end of the priority encoder and the output end of the power supply module. The conductor passes through the cavity of the hollow cylindrical body. A conductor is movably installed in the cavity of the hollow cylindrical body. The conductor can move freely along the axial direction of the hollow cylindrical body. When the conductor, power supply module, conductor and priority encoder form a circuit, the accident level monitoring device can be triggered to conduct. The output end of the priority encoder is electrically connected to a CPU processor with a timing module built-in, and a voltage monitoring module is electrically connected between the CPU processor and the power supply module; The CPU processor is further electrically connected to a communication module, which communicates with a remote monitoring system through a communication base station network.

[0011] Further, the guide includes a first connecting member and a second connecting member, both of which are hard wires, one end of each of the first connecting member and the second connecting member is fixedly connected to the hollow cylindrical body and extends into the cavity of the hollow cylindrical body, the other end of the first connecting member is connected to the output end of the power supply module, and the other end of the second connecting member is connected to one input end of the priority encoder.

[0012] Further, the end of the first connecting member and the end of the second connecting member that are arranged in the cavity of the hollow cylindrical body are oppositely arranged.

[0013] Further, the end of the first connecting member and the end of the second connecting member that are arranged in the cavity of the hollow cylindrical body are oppositely arranged.

[0014] Further, the conductor is a conductive metal ball, which is fixedly connected to the end of the first connecting member or the end of the second connecting member in the cavity of the hollow cylindrical body through a conductive metal elastic member.

[0015] Further, the conductor is a conductive metal ball, which is placed on the first connecting member or the second connecting member in the cavity of the hollow cylindrical body under the action of gravity.

[0016] Further, the conductor is mercury, which is in contact with the first connecting member or the second connecting member in the cavity of the hollow cylindrical body under the action of gravity.

[0017] Further, the conductor in the cavity of the hollow cylindrical body is located at the end of the first connecting member or the end of the second connecting member that is opposite to the other end under the action of gravity.

[0018] Further, the CPU processor is further electrically connected to an audible and visual alarm, which is arranged on the outer surface of the first shell.

[0019] A highway guardrail collision alarm and accident evaluation system, which comprises the highway guardrail collision alarm and accident evaluation device described above.

[0020] A highway guardrail collision alarm and accident evaluation method, which uses the highway guardrail collision alarm and accident evaluation device described above, and comprises the following steps: Step S1, a plurality of collision inclination angle monitoring devices are fixedly installed on the column at a set interval, ensuring that the monitoring direction of the device is consistent with the protection direction of the guardrail, and ensuring the effectiveness of data collection; Step S2, the CPU processor receives the monitoring signal output by the priority encoder in the collision inclination angle monitoring device, and filters, amplifies and logically analyzes and processes the monitoring signal, and outputs an alarm signal to the communication module and the sound and light alarm part; Step S3, the communication module transmits the alarm signal to the remote monitoring system, and after the remote monitoring system receives the alarm signal, the remote monitoring system automatically matches the communication base station information bound in advance by the collision inclination angle monitoring device, and accurately locks the accident occurring section combined with the communication base station positioning data; Step S4, according to the accident position and grade information fed back by the remote monitoring system, the corresponding emergency plan is started, and the on-site rescue dispatching and the repair work of the road safety facilities are carried out synchronously.

[0021] The present application has the following beneficial effects compared with the prior art: 1. The collision inclination angle monitoring device cooperates with the communication base station and the remote monitoring system, and can realize remote monitoring of the collision of the guardrail body; the priority encoder is coupled with the plurality of through holes and the accident grade monitoring piece with different inclination angles, and can realize the judgment of the accident grade. The stability of the traditional angle sensor is better, and the experimental data verifies that the stable operation time can reach 4-5 years, which is more economical.

[0022] 2. The timing module of the CPU processor is coupled with the priority encoder, which can send the collision information of the guardrail body to the remote monitoring system in time and send the safety signal to the remote monitoring system in time, thereby greatly reducing the power consumption of the device and the system.

[0023] 3. The collision inclination angle monitoring device has simple structure, low manufacturing cost and low maintenance cost, and can be installed on the guardrail body on both sides of the highway on a large scale, and has practicality. BRIEF DESCRIPTION OF DRAWINGS

[0024] The present application will be further described below in conjunction with the drawings: Figure 1 The structure of the present application is shown in the figure; Figure 2 The structure of the present application is shown in the figure; Figure 1 The enlarged schematic view of part A in the figure; Figure 3 The structure of the present application is shown in the figure; Figure 4 The structure of the present application is shown in the figure; Figure 1 ; Figure 5 The structure of the present application is shown in the figure;Figure 2 Figure 6 Structure diagram of accident level monitoring member in one embodiment of the present application Figure 3 Figure 7 Structure diagram of accident level monitoring member in one embodiment of the present application Figure 4 Figure 8 Circuit structure diagram of the present application Figure 9 System structure diagram of the present application In the figure: 1 is a stand, 2 is a guardrail plate, 3 is a collision inclination angle monitoring device, 4 is a second shell, 5 is a through hole, 6 is a guide, 7 is a columnar body, 8 is a metal ball, 9 is mercury, 10 is a pre-warning device, 11 is an accident level monitoring member, 12 is a first connecting member, 13 is a second connecting member, 14 is a metal elastic component, 15 is a conductor, 16 is a block preventing. DETAILED DESCRIPTION

[0025] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate relative or positional relationships as viewed in the drawings, and are merely intended for convenience of description and simplification of description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are used only for the purpose of description and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0026] In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] As Figures 1 to 9 ​​​As shown, the present application provides a highway guardrail collision alarm and accident assessment device, which comprises a guardrail body, the guardrail body comprises a plurality of columns 1, one end of the column 1 is fixed on the highway, the other end of the plurality of columns 1 is fixedly connected to the wave-shaped guardrail plate 2, the column 1 and the guardrail plate 2 are further fixedly connected with the anti-blocking block 16, and the end of the column 1 close to the guardrail plate 2 is fixedly connected with the collision inclination angle monitoring device 3. Specifically, the column 1 is a hollow structure, the column 1 and the guardrail plate 2 are perpendicular to each other, the column 1 and the road surface of the highway are perpendicular to each other, the guardrail plate 2 and the road surface of the highway are parallel to each other, and the collision inclination angle monitoring device 3 is fixedly installed in the column 1 away from the highway. The interval between two columns 1 can be set according to the relevant provisions of the existing highway guardrail installation.

[0028] The collision inclination angle monitoring device 3 comprises a square first shell, a warning device 10 is fixedly installed in the first shell, the warning device 10 comprises a priority encoder and a hollow second shell 4, the second shell 4 is in the shape of a quarter of a cylinder, a plurality of through holes 5 are formed in the curved surface of the second shell 4, the plurality of through holes 5 are arranged in parallel and coaxially arranged with the curved surface of the second shell 4, more specifically, the curvature of the plurality of through holes 5 is consistent with the curvature of the curved surface of the second shell 4, and seven through holes 5 are formed in the embodiment.

[0029] A plurality of accident level monitoring pieces 11 are fixedly connected in the second shell 4, the plurality of accident level monitoring pieces 11 correspond one-to-one to the plurality of through holes 5 and cooperate with each other.

[0030] The accident level monitoring piece 11 comprises a guide piece 6, the guide piece 6 is electrically connected to the output end of the power supply module and the input end of the priority encoder, the guide piece 6 is further fixedly connected with a hollow columnar body 7, the guide piece 6 is arranged in the cavity of the hollow columnar body 7, a conductor 15 is movably arranged in the cavity of the hollow columnar body 7, the conductor 15 can freely move along the axial direction of the hollow columnar body 7, and the conductor 15, the power supply module, the guide piece 6 and the priority encoder constitute a loop to trigger the accident level monitoring piece 11 to conduct.

[0031] The conductor 15 is a conductive metal ball 8 or mercury 9. When the conductor 15 is the conductive metal ball 8, the conductor 15 is fixedly connected to one end of the cavity of the hollow columnar body 7 through the conductive metal elastic member 14, or the conductor 15 is movably placed at one end of the cavity of the hollow columnar body 7 under the action of gravity. In an embodiment, the accident level monitoring member 11 can adopt a ball switch. When the conductor 15 is the mercury 9, the mercury 9 is placed at one end of the cavity of the hollow columnar body 7 under the action of gravity. In an embodiment, the accident level monitoring member 11 can adopt a mercury switch. The mercury switch can be purchased on the market, and the application does not limit the model of the mercury switch. The working angles of a plurality of mercury switches are different. When the accident level monitoring member 11 is not collided, the conductor 15, the power supply module, the guide member 6 and the priority encoder are in an open circuit state. When the accident level monitoring member 11 is collided, the conductor 15, the power supply module, the guide member 6 and the priority encoder form a loop under the action of an external force, triggering the accident level monitoring member 11 to be turned on.

[0032] Specifically, the guide member 6 includes the first connecting member 12 and the second connecting member 13, and the hollow columnar body 7 is fixedly connected between the first connecting member 12 and the second connecting member 13. The first connecting member 12 and the second connecting member 13 are both extended into the cavity of the hollow columnar body 7 at one end connected with the hollow columnar body 7, and the end of the first connecting member 12 and the end of the second connecting member 13 extended into the cavity of the hollow columnar body 7 are oppositely arranged or arranged side by side. The end of the first connecting member 12 away from the hollow columnar body 7 is connected to the output end of the power supply module, and the end of the second connecting member 13 away from the hollow columnar body 7 is connected to one input end of the priority encoder. The first connecting member 12 and the second connecting member 13 are both hard wires.

[0033] When the end of the first connecting member 12 and the end of the second connecting member 13 arranged in the cavity of the hollow columnar body 7 are oppositely arranged, the end of the first connecting member 12 or the second connecting member 13 away from the hollow columnar body 7 is fixedly connected in the second shell 4, and the hollow columnar body 7 is arranged outside the second shell 4. Under a normal working condition, the conductor 15 in the cavity of the hollow columnar body 7 is located at the end of the first connecting member 12 or the second connecting member 13 under the action of gravity. More specifically, when the conductor 15 is the conductive metal ball 8, the conductive metal ball 8 is fixedly connected to the end of the first connecting member 12 or the second connecting member 13 in the cavity of the hollow columnar body 7 through the conductive metal elastic member 14 (as shown in Figure 4 When the conductor 15 is the mercury 9, the mercury 9 is placed at the end of the first connecting member 12 or the second connecting member 13 in the cavity of the hollow columnar body 7 under the action of gravity (as shown in Figure 6As shown in Fig. 2, when the conductor 15 is mercury 9, the mercury 9 is placed at the end of the first connecting piece 12 or the second connecting piece 13 in the cavity of the hollow columnar body 7 under the action of gravity, so that the conductor 15, the power supply module, the guide 6 and the priority encoder are in an open circuit state. As shown in Fig. 3, when the conductor 15 is mercury 9, the mercury 9 is placed at the end of the first connecting piece 12 or the second connecting piece 13 in the cavity of the hollow columnar body 7 under the action of gravity, so that the conductor 15, the power supply module, the guide 6 and the priority encoder are in an open circuit state. Figure 5 As shown in Fig. 2, when the conductor 15 is mercury 9, the mercury 9 is placed at the end of the first connecting piece 12 or the second connecting piece 13 in the cavity of the hollow columnar body 7 under the action of gravity, so that the conductor 15, the power supply module, the guide 6 and the priority encoder are in an open circuit state. As shown in Fig. 3, when the conductor 15 is mercury 9, the mercury 9 is placed at the end of the first connecting piece 12 or the second connecting piece 13 in the cavity of the hollow columnar body 7 under the action of gravity, so that the conductor 15, the power supply module, the guide 6 and the priority encoder are in an open circuit state.

[0034] As shown in Fig. 2, when the conductor 15 is mercury 9, the mercury 9 is placed at the end of the first connecting piece 12 or the second connecting piece 13 in the cavity of the hollow columnar body 7 under the action of gravity, so that the conductor 15, the power supply module, the guide 6 and the priority encoder are in an open circuit state. As shown in Fig. 3, when the conductor 15 is mercury 9, the mercury 9 is placed at the end of the first connecting piece 12 or the second connecting piece 13 in the cavity of the hollow columnar body 7 under the action of gravity, so that the conductor 15, the power supply module, the guide 6 and the priority encoder are in an open circuit state. Figure 7 As shown in Fig. 2, when the conductor 15 is mercury 9, the mercury 9 is placed at the end of the first connecting piece 12 or the second connecting piece 13 in the cavity of the hollow columnar body 7 under the action of gravity, so that the conductor 15, the power supply module, the guide 6 and the priority encoder are in an open circuit state. As shown in Fig. 3, when the conductor 15 is mercury 9, the mercury 9 is placed at the end of the first connecting piece 12 or the second connecting piece 13 in the cavity of the hollow columnar body 7 under the action of gravity, so that the conductor 15, the power supply module, the guide 6 and the priority encoder are in an open circuit state.

[0035] The output end of the priority encoder is electrically connected to a CPU processor with a timing module built-in, and the CPU processor is also electrically connected with a communication module and an audible and visual alarm, and the CPU processor outputs an alarm signal to the communication module and the audible and visual alarm after receiving and processing the monitoring signal output by the priority encoder. The communication module communicates with the remote monitoring system through a communication base station network, and the communication module is used to transmit the alarm signal output by the CPU processor to the remote monitoring system. The communication base stations are distributed along the monitored road section, and a certain distance is preset between two communication base stations. The audible and visual alarm is arranged on the outer surface of the first shell, which is convenient for warning the following vehicles.

[0036] Specifically, the communication base station has a Beidou positioning module, a LoRa communication module and a 5G communication module, can receive the relevant information of the collision of the collision inclination monitoring device 3 within a radius of 1km of the communication base station through the LoRa communication module, and can feed back the position information and collision information of the communication base station to the remote monitoring system through the 5G communication module. The above communication functions realized through the communication base station are routine operations for those skilled in the art, and will not be described here.

[0037] The voltage monitoring module is also electrically connected between the power supply module and the CPU processor, and is used to monitor the health status of the power supply module. The voltage monitoring module adopts an STM1061 voltage monitor.

[0038] In order to reduce the working power consumption of the collision inclination monitoring device 3, the monitoring time interval of the timing module is 24 hours, and when the CPU processor does not receive the monitoring signal transmitted by the priority encoder within 24 hours, the CPU processor sends a safety signal to the remote monitoring system through the communication module.

[0039] The angles between the plurality of accident level monitoring pieces 11 and the horizontal plane are different, specifically, one accident level monitoring piece 11 corresponds to one collision level, and in this embodiment, seven accident level monitoring pieces 11 correspond to seven different degrees of collision level, and the angles between the seven accident level monitoring pieces 11 and the horizontal plane are 10°, 20°, 30°, 40°, 50°, 60° and 70° respectively. Seven accident level monitoring pieces 11 are respectively connected to seven input ends of the priority encoder. The seven accident level monitoring pieces 11 are numbered as s1, s2, s3, s4, s5, s6 and s7 in turn, which correspond to I1-I7 input ends of the priority encoder respectively, and the priority level is s7-s1.

[0040] When the guardrail body is not impacted outward by the vehicles driving on the road, the collision inclination monitoring device 3 is horizontally arranged, and the plurality of accident level monitoring pieces 11 all output binary 000 digital signals, which are monitored in real time and sent to the remote monitoring system by the communication module at regular intervals.

[0041] When the guardrail body is impacted outwardly by a vehicle driving on the road, the collision inclination angle monitoring device 3 is inclined to a certain extent, when the accident level monitoring member 11 with an inclination angle of 10° is triggered, the priority encoder of the early warning device 10 outputs a binary 001 digital signal, after processing by the CPU processor, an alarm signal with a level of one is output, and the signal is sent to the remote monitoring system in time through the communication module.

[0042] When the accident level monitoring member 11 with an inclination angle of 70° is triggered, no matter whether other accident level monitoring members 11 are damaged or triggered, the priority encoder of the early warning device 10 outputs a binary 111 digital signal, after processing by the CPU processor, an alarm signal with a level of seven is output, and the signal is sent to the remote monitoring system through the communication module. The specific logic relationship is shown in Table 1 below: Table 1: Logic function table of early warning device ; In Table 1, 1 represents that the accident level monitoring member 11 is triggered, x represents that the input end of the priority encoder inputs any signal, and 0 represents that the accident level monitoring member 11 is not triggered.

[0043] As for the distance interval between the two collision inclination angle monitoring devices 3, those skilled in the art can set it according to the guardrail structure, vehicle size, or determine it according to the actual construction environment.

[0044] The power supply module includes a power supply component with solar charging function, which is a conventional technical means in the art, and can supplement electric energy autonomously through solar energy to ensure that the priority encoder, voltage monitoring module, CPU processor and the entire road guardrail collision alarm and accident evaluation device can continuously and stably operate in outdoor or no external power supply module scene.

[0045] Those skilled in the art can use existing priority encoders, accident level monitoring members 11 and other electronic components to achieve the priority response function of the input signal in Table 1 according to specific conditions. The present application does not limit the type of priority encoder, and for the purpose of clear display of the embodiment, a specific type of priority encoder, i.e. 74LS148, is provided in this embodiment.

[0046] The application discloses a highway guardrail collision alarm and accident evaluation device, and relates to the field of highway guardrails.

[0047] The application discloses a highway guardrail collision alarm and accident evaluation device, and relates to the field of highway guardrails.

[0048] The application discloses a highway guardrail collision alarm and accident evaluation device, and relates to the field of highway guardrails. Step S1, a plurality of collision inclination monitoring devices 3 are fixedly installed on the stand column 1 at a set interval, so that the monitoring direction of the device is consistent with the protection direction of the guardrail plate 2, and the data collection effectiveness is ensured; in the embodiment, the interval between the two adjacent collision inclination monitoring devices 3 is 5-10 m, and the collision inclination monitoring device 3 is detachably installed on the top end of the stand column 1, that is, the end far away from the highway, through a bolt fixing assembly.

[0049] Step S2, the CPU processor receives the monitoring signal output by the priority encoder in the collision inclination monitoring device 3, and performs filtering, amplification and logic analysis processing on the monitoring signal, and outputs an alarm signal to the communication module and the sound-light alarm device. The sound-light alarm device adopts a red LED warning lamp and a buzzer, the LED lamp flickering frequency is 1 Hz, the buzzer sound frequency is 1 kHz, and the sound pressure level is not less than 85 dB.

[0050] Step S3, the communication module transmits the alarm signal to the remote monitoring system, and after the remote monitoring system receives the alarm signal, the communication base station information bound in advance by the collision inclination monitoring device 3 is automatically matched, and the accident occurrence section is accurately locked in combination with the communication base station positioning data.

[0051] Step S4, according to the accident position and grade information fed back by the remote monitoring system, the corresponding emergency plan is started, and the on-site rescue dispatching and the repair work of the road safety facilities are simultaneously carried out. Specifically, the staff can adopt manual inspection or call the camera near the communication base station to inspect the section, and timely arrange the rescue and the repair work of the road safety facilities.

[0052] The working principle of the application is as follows: When the vehicle hits the guardrail plate 2 along the vehicle-approaching side (i.e. the protection direction) of the guardrail plate 2, the guardrail plate 2 is tilted and deformed to its non-vehicle-approaching side under the impact force, and the collision inclination monitoring device 3 is fixedly connected with the upright column 1 fixedly connected with the guardrail plate 2, so that the collision inclination monitoring device 3 moves to the non-vehicle-approaching side synchronously with the tilting and deformation of the guardrail plate 2, and simultaneously generates an inclination change; the conductor 15 of the collision inclination monitoring device 3 moves to the other end of the hollow columnar body 7 along the axial direction of the hollow columnar body 7 under the action of the external force, and the power supply module, the first connecting piece 12, the conductor 15, the second connecting piece 13 and the input end of the priority encoder are sequentially connected and constitute a complete power supply circuit, so that the electric signal generated by the circuit makes the corresponding accident level monitoring piece 11 respond, and the accident level is monitored according to the degree of the collision of the collision inclination monitoring device 3.

[0053] When a certain section of the guardrail plate 2 is not hit within the preset monitoring time interval of the timing module, the CPU processor sends a safety signal to the remote monitoring system through the communication module.

[0054] The timing module of the CPU processor is coupled with the priority encoder, the collision information of the guardrail body is timely sent, and the safety signal is timely sent, relying on the differentiated signal triggering mechanism, so that the power consumption of the device and the system is significantly reduced.

[0055] It should be noted that the connection relationship between the components and modules adopted in the present application is definite and realizable, and the specific connection relationship can bring corresponding technical effects, and based on the premise of not relying on the execution of corresponding software programs, the technical problems proposed in the present application are solved, the model of the components, modules and specific elements, the connection mode between them, and the conventional use method and predictable technical effects brought by the above technical features, except for the specific description, all belong to the public content disclosed in the patents, journal papers, technical manuals, technical dictionaries, textbooks and other existing technologies available to the skilled in the art before the application date, or belong to the conventional technology and common knowledge in the art, and do not need to be described in detail, so that the technical solutions provided in the present application are clear, complete and realizable, and the corresponding physical products can be reproduced or obtained according to the technical means.

[0056] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: the technical solutions recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A crash warning and crash evaluation device for a highway barrier, comprising a barrier body, characterized in that: The guardrail body comprises a plurality of columns (1), one end of the column (1) is fixed on the highway, the other end of the plurality of columns (1) is arranged on the guardrail plate (2), and the end of the column (1) close to the guardrail plate (2) is provided with a collision inclination monitoring device (3); The first shell of the collision inclination monitoring device (3) is provided with a warning device (10), the warning device (10) comprises a second shell (4) and a priority encoder, a plurality of through holes (5) are formed in the curved surface of the second shell (4), and the plurality of through holes (5) are arranged in parallel; A plurality of accident level monitoring pieces (11) are fixedly connected in the second shell (4), the plurality of accident level monitoring pieces (11) correspond to the plurality of through holes (5) one by one and cooperate with each other, and the angles between the plurality of accident level monitoring pieces (11) and the horizontal plane are different; The accident level monitoring piece (11) comprises a guide piece (6), the guide piece (6) is electrically connected to the input end of the priority encoder and the output end of the power supply module, the guide piece (6) is arranged in the cavity of the hollow columnar body (7), a conductor (15) is movably arranged in the cavity of the hollow columnar body (7), the conductor (15) can freely move along the axial direction of the hollow columnar body (7), and the conductor (15), the power supply module, the guide piece (6) and the priority encoder constitute a loop and can trigger the accident level monitoring piece (11) to be conducted. The output end of the priority encoder is electrically connected to a CPU processor with a timing module built-in, and a voltage monitoring module is electrically connected between the CPU processor and the power supply module. The CPU processor is further electrically connected with a communication module, and the communication module communicates with a remote monitoring system through a communication base station network.

2. The highway guardrail crash warning and incident assessment device of claim 1, wherein: The guide piece (6) comprises a first connecting piece (12) and a second connecting piece (13), the first connecting piece (12) and the second connecting piece (13) are both hard wires, one end of the first connecting piece (12) and the second connecting piece (13) is fixedly connected to the hollow columnar body (7) and extends into the cavity of the hollow columnar body (7), the other end of the first connecting piece (12) is connected to the output end of the power supply module, and the other end of the second connecting piece (13) is connected to one input end of the priority encoder.

3. The highway guardrail crash warning and incident assessment device of claim 2, wherein: The end of the first connecting piece (12) and the end of the second connecting piece (13) arranged in the cavity of the hollow columnar body (7) are oppositely arranged.

4. The highway guardrail crash warning and incident assessment device of claim 2, wherein: The end of the first connecting piece (12) and the end of the second connecting piece (13) arranged in the cavity of the hollow columnar body (7) are arranged at one end of the hollow columnar body (7).

5. The highway guardrail crash warning and incident assessment device of claim 3, wherein: The conductor (15) is a conductive metal ball (8), and the conductive metal ball (8) is fixedly connected to the end of the first connecting piece (12) or the end of the second connecting piece (13) in the cavity of the hollow columnar body (7) through a conductive metal elastic component (14).

6. The highway guardrail crash warning and incident assessment device of claim 3, wherein: The conductor (15) is a conductive metal ball (8), and the conductive metal ball (8) is movably arranged on the first connecting piece (12) or the second connecting piece (13) in the cavity of the hollow columnar body (7) under the action of gravity.

7. The highway guardrail crash warning and incident assessment device of claim 3, wherein: The conductor (15) is mercury (9), which is in contact with the first connecting piece (12) or the second connecting piece (13) in the cavity of the hollow columnar body (7) under the action of gravity.

8. The highway guardrail crash warning and incident assessment device of claim 4, wherein: The conductor (15) in the cavity of the hollow columnar body (7) is located at one end opposite to the end of the first connecting piece (12) and the end of the second connecting piece (13) in the cavity of the hollow columnar body (7) under the action of gravity.

9. The highway guardrail crash warning and incident assessment device of claim 1, wherein: The CPU processor is further electrically connected with an audible and light alarm element, which is arranged on the outer surface of the first shell.

10. A highway guardrail crash alert and incident assessment system characterized by: The system comprises the highway guardrail collision alarm and accident evaluation device according to any one of claims 1-9.

11. A method of crash alert and accident assessment for a highway barrier, characterized by: The collision alarm and accident evaluation method uses the highway guardrail collision alarm and accident evaluation device according to any one of claims 1-9, and comprises the following steps: Step S1, a plurality of collision inclination monitoring devices (3) are fixedly installed on the upright column (1) at a set interval, so as to ensure that the monitoring direction of the device is consistent with the protection direction of the guardrail and to ensure the effectiveness of data acquisition; Step S2, the CPU processor receives the monitoring signal output by the priority encoder in the collision inclination monitoring device (3), and performs filtering, amplification and logic analysis processing on the monitoring signal, and outputs an alarm signal to the communication module and the audible and light alarm element; Step S3, the communication module transmits the alarm signal to the remote monitoring system, and the remote monitoring system automatically matches the communication base station information previously bound to the collision inclination monitoring device (3) after receiving the alarm signal, and accurately locks the accident occurring section in combination with the positioning data of the communication base station; Step S4, according to the accident position and grade information fed back by the remote monitoring system, the corresponding emergency plan is started, and the on-site rescue dispatching and the repair work of the road safety facilities are simultaneously carried out.

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