A tunnel exit plume detection device

Abstract

The present disclosure relates to the technical field of road safety, and one embodiment of the present disclosure provides a tunnel exit cluster fog detection device, which comprises a top frame and a pair of fixing columns, the top frame is arranged on the top of the fixing columns, an visibility instrument body is arranged on the fixing columns, a connecting assembly is arranged between the visibility instrument body and the fixing columns, a height adjusting assembly is arranged between the top frame and the fixing columns, the connecting assembly comprises a pair of side grooves, the side grooves are arranged on the opposite end faces of the inner side of the top frame, a driving motor is arranged in the side groove, a rotating rod is arranged on the output end of the driving motor, and the visibility instrument body is connected to one end of the rotating rod. Through the above technical scheme, the technical problem that the current tunnel monitoring equipment in the prior art is multi-focusing conventional environment monitoring, lacks special detection and early warning function for cluster fog, especially in the special scene of the tunnel exit, the traditional equipment is difficult to cope with the double risks of "bright adaptation impact + low visibility" caused by cluster fog, and the traffic accident hidden danger is prominent.

Description

Technical Field

[0001] The embodiments disclosed herein relate to the technical field of road safety, and more specifically, to a device for detecting fog at a tunnel exit. Background Technology

[0002] In highway tunnel traffic, patchy fog, as a sudden extreme weather disaster, poses a serious threat to driving safety at tunnel exits due to its randomness and low visibility characteristics. Current tunnel monitoring equipment mostly focuses on routine environmental monitoring and lacks specific detection and early warning functions for patchy fog. Especially in the special scenario of tunnel exits, traditional equipment is unable to cope with the dual risks of "light adaptation impact + low visibility" caused by patchy fog, resulting in prominent traffic accident hazards.

[0003] Existing tunnel monitoring systems suffer from significant technical bottlenecks: On the one hand, conventional meteorological monitoring equipment has a large detection range (covering several kilometers), making it unable to capture the localized scale characteristics of fog patches ranging from tens to hundreds of meters. When fog patches appear near tunnel exits, insufficient detection accuracy often leads to delayed warnings. On the other hand, traditional equipment does not take into account the unique light environment changes at tunnel exits—when vehicles exit a tunnel, drivers' eyes need to adapt to the sudden increase in natural light (the light adaptation process takes about 1-3 seconds). If fog patches are encountered at this time, the time of obstructed vision is further extended. Statistics show that the traffic accident rate in this scenario is more than four times higher than on ordinary road sections. For example, a 10-vehicle pileup occurred on a mountain highway due to a failure to issue a timely warning for fog patches at a tunnel exit. The accident analysis showed that the driver's reaction time from noticing the fog patches to taking braking action was less than 2 seconds, far below the safety threshold.

[0004] Furthermore, existing devices mostly employ a single-point detection mode, which cannot dynamically track the movement trajectory of fog patches in the tunnel exit area, and lack a linkage mechanism with tunnel lighting and traffic guidance systems. With the advancement of intelligent transportation construction, the requirements for the "accuracy, real-time performance, and linkage" of tunnel safety early warning are increasing. Traditional equipment, due to its shortcomings such as "insufficient fog patch feature capture, poor adaptability to the exit light environment, and lack of linkage early warning," can no longer meet the safety operation needs of highway tunnels. There is an urgent need to develop a tunnel exit fog patch detection device with micro-scale detection, light environment compensation, and multi-system linkage functions. Utility Model Content

[0005] To overcome the above-mentioned deficiencies, the embodiments of this disclosure provide a tunnel exit fog detection device, which solves the technical problem that current tunnel monitoring equipment mainly focuses on conventional environmental monitoring and lacks a special detection and early warning function for fog. Especially in the special scenario of tunnel exit, traditional equipment is unable to cope with the dual risks of "brightness impact + low visibility" caused by fog, resulting in prominent traffic accident hazards.

[0006] According to one aspect, at least one embodiment of this disclosure provides a tunnel exit fog detection device, comprising:

[0007] A top frame and a pair of fixed columns, the top frame being disposed on top of the fixed columns;

[0008] The visibility meter body and the connecting assembly are provided. The visibility meter body is mounted on the fixed column, and the connecting assembly is disposed between the visibility meter body and the fixed column.

[0009] A height adjustment assembly is disposed between the top frame and the fixed column;

[0010] Warning component, the warning component being disposed on the top of the top frame;

[0011] The connecting assembly includes a pair of side slots, which are formed on opposite end faces inside the top frame. A drive motor is installed in the side slot, and a rotating rod is installed at the output end of the drive motor. The rotating rod is connected to the output end of the drive motor, and the main body of the visibility meter is connected to one end of the rotating rod.

[0012] As a further technical solution, the warning component includes an illumination lamp, which is fixed to the top of the top frame. A projection lamp is provided on the top of the top frame, and monitoring cameras are provided on both sides of the top frame.

[0013] As a further technical solution, an LED screen is provided on the top of the top frame, a pair of speakers are provided on the top of the top frame, and a shield is provided on the top of the top frame, which covers the LED screen and the top of the illumination lamp.

[0014] As a further technical solution, the height adjustment component includes a connecting groove, which is formed inside the top of the fixed column, and connecting columns are provided at both ends of the bottom of the top frame, with the connecting columns inserted into the connecting groove.

[0015] As a further technical solution, stabilizing grooves are provided on both sides of the fixed column, and a pair of stabilizing plates are provided at both ends of the bottom of the top frame. The stabilizing plates are inserted into the stabilizing grooves, and several round holes are provided in the stabilizing grooves. A pair of screws are inserted between the stabilizing plates, the connecting column, and the fixed column. The screws are located in the round holes, and a nut is screwed to one end of the screws.

[0016] As a further technical solution, the illumination lamp and the projection lamp are located adjacent to each other.

[0017] As a further technical solution, a rectangular plate is provided at the lower end of the fixed column, and fixing holes are provided at both ends of the surface of the rectangular plate.

[0018] As a further technical solution, the drive motor can control the rotating rod to rotate 90°.

[0019] The beneficial effects of the embodiments disclosed herein are as follows:

[0020] 1. In this disclosure, the connecting component drives the rotating rod to rotate via a drive motor, thereby switching the main body of the visibility meter between the detection position and the storage position. In normal weather, it can be stored inside the gantry frame to avoid damage to the equipment caused by strong winds or vehicle scratches. During detection, it can be adjusted to a suitable position to ensure the accuracy of fog detection. This solves the problem of traditional equipment being easily damaged by long-term exposure, and improves the service life and detection reliability of the equipment.

[0021] 2. In this disclosure, the warning component provides strong illumination through spotlights to enhance visibility at the tunnel exit, projects warning signs onto the road surface through projectors, displays real-time road conditions on an LED screen, and plays voice warnings through speakers, providing multi-dimensional visual and auditory alerts to the driver. The adjacent spotlights and projectors concentrate the warning area to avoid distracting the driver, and the shield protects the equipment from adverse weather conditions, effectively addressing low visibility and light adaptation issues caused by fog and reducing the risk of traffic accidents.

[0022] 3. In this disclosure, the height adjustment component achieves flexible adjustment of the top frame height through the cooperation of the connecting groove and the connecting column, the connection of the stabilizing groove and the stabilizing plate, and the fastening with screws and nuts. It can adjust the main body of the visibility meter and the warning component to the optimal detection and warning height according to the environmental characteristics of different tunnel exits, ensuring that the detection range covers the areas with high incidence of fog at the tunnel exit. At the same time, it provides a stable support structure to ensure that the device works stably in various environments, thereby improving the applicability and stability of the device. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings used in the description of the embodiments of this disclosure will be briefly introduced below. Obviously, the drawings described below are merely some exemplary embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on the content of the exemplary embodiments of this disclosure and these drawings without any creative effort.

[0024] Figure 1 This is a schematic diagram of a structure in one embodiment of the present disclosure;

[0025] Figure 2 This is an isometric drawing of the present disclosure;

[0026] Figure 3 This is an isometric sectional view of the present disclosure;

[0027] In the diagram: 1. Top frame; 2. Fixed column; 3. Visibility meter body; 4. Connecting assembly; 4-1. Side groove; 4-2. Drive motor; 4-3. Rotating rod; 5. Warning assembly; 5-1. Illuminating lamp; 5-2. Projector lamp; 5-3. Monitoring camera; 5-4. LED screen; 5-5. Speaker; 5-6. Shielding cover; 6. Height adjustment assembly; 6-1. Connecting groove; 6-2. Connecting column; 6-3. Stabilizing groove; 6-4. Stabilizing plate; 6-5. Round hole; 6-6. Screw; 6-7. Nut; 7. Rectangular plate; 8. Fixing hole. Detailed Implementation

[0028] The present disclosure will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present disclosure and are not intended to limit the scope of the disclosure.

[0029] To keep the drawings concise, each drawing only schematically shows the parts relevant to the disclosure; these do not represent the actual structure of the product. Furthermore, for ease of understanding, in some drawings, only one of components with the same structure or function is schematically shown, or only one is labeled. In this document, "one" not only means "only one," but can also mean "more than one," and "several" includes "two" and "more than two."

[0030] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linkage" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this disclosure based on the specific circumstances.

[0031] In this disclosure, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0032] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of description and simplification of operation, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure.

[0033] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0034] like Figures 1-3 As shown, it illustrates a tunnel exit fog detection device according to an embodiment of the present disclosure, comprising:

[0035] A top frame 1 and a pair of fixed columns 2, wherein the top frame 1 is disposed on top of the fixed columns 2;

[0036] The visibility meter body 3 and the connecting component 4 are provided. The visibility meter body 3 is mounted on the fixed column 2, and the connecting component 4 is disposed between the visibility meter body 3 and the fixed column 2.

[0037] A height adjustment component 6 is disposed between the top frame 1 and the fixed column 2;

[0038] Warning component 5, wherein the warning component 5 is disposed on the top of the top frame 1;

[0039] The connecting component 4 includes a pair of side slots 4-1, which are formed on opposite end faces inside the top frame 1. A drive motor 4-2 is installed in the side slots 4-1, and a rotating rod 4-3 is installed at the output end of the drive motor 4-2. The rotating rod 4-3 is connected to the output end of the drive motor 4-2, and the visibility meter body 3 is connected to one end of the rotating rod 4-3.

[0040] In some examples, a connecting component 4 is designed to allow the visibility meter body 3 to be retracted to a safe position under normal weather conditions. This component uses the side slots 4-1 opened on opposite end faces of the inner side of the top frame 1 as the mounting base. The drive motor 4-2 installed in the side slot 4-1 serves as the power source, and the rotating rod 4-3 connected to its output end can drive the visibility meter body 3 to rotate. When the weather conditions are normal, the drive motor 4-2 starts, and the rotating rod 4-3 drives the visibility meter body 3 to flip to one side, so that it is stored inside the top frame 1, avoiding damage to the equipment caused by external environmental factors (such as strong winds, vehicle scratches, etc.). When it is necessary to detect fog patches, the drive motor 4-2 rotates in the opposite direction to adjust the visibility meter body 3 to the detection position.

[0041] By driving the rotating rod 4-3 through the drive motor 4-2, the connecting component 4 realizes the position switching of the visibility meter body 3 under different working conditions, effectively protecting the equipment and ensuring the normal operation of the detection work.

[0042] like Figures 1-3 As shown in the figure, the warning component 5 in this embodiment includes an illumination lamp 5-1, which is fixed to the top of the top frame 1. A projection lamp 5-2 is provided on the top of the top frame 1. Monitoring cameras 5-3 are provided on both sides of the top frame 1. An LED screen 5-4 is provided on the top of the top frame 1. A pair of speakers 5-5 are provided on the top of the top frame 1. A shield 5-6 is provided on the top of the top frame 1, which covers the LED screen 5-4 and the top of the illumination lamp 5-1.

[0043] In some examples, a warning component 5 is designed to provide safety warnings simultaneously through light, video, and sound. This component uses the illumination lamp 5-1 on top of the roof frame 1 as the basic lighting device, providing strong illumination in foggy weather to improve visibility at the tunnel exit. The projection lamp 5-2 projects warning signs and reminders onto the road surface, enhancing the visual warning effect. Monitoring cameras 5-3 on both sides of the roof frame 1 monitor the tunnel exit area in real time, transmitting the images to the LED screen 5-4 for display, allowing passing vehicles to intuitively understand the road conditions ahead. A pair of speakers 5-5 can play voice warning messages, reminding drivers to slow down and pay attention to safety. A top shield 5-6 covers the LED screen 5-4 and the top of the illumination lamp 5-1, made of waterproof and sun-proof material, effectively protecting the equipment from severe weather corrosion.

[0044] By working together with multiple devices, the warning component 5 provides safety warnings from multiple dimensions, including visual and auditory, thereby improving driving safety at the tunnel exit.

[0045] like Figures 1-3 As shown in the figure, the height adjustment component 6 in this embodiment includes a connecting groove 6-1, which is opened in the top of the fixed column 2. Connecting columns 6-2 are provided at both ends of the bottom of the top frame 1. The connecting columns 6-2 are inserted into the connecting groove 6-1. Stabilizing grooves 6-3 are opened on both sides of the fixed column 2. A pair of stabilizing plates 6-4 are provided at both ends of the bottom of the top frame 1. The stabilizing plates 6-4 are inserted into the stabilizing grooves 6-3. Several round holes 6-5 are opened in the stabilizing grooves 6-3. A pair of screws 6-6 are inserted between the stabilizing plates 6-4, the connecting columns 6-2 and the fixed column. The screws 6-6 are located in the round holes 6-5. A nut 6-7 is screwed to one end of the screws 6-6.

[0046] In some examples, a height adjustment component 6 is designed to adjust the height of the detection position and provide stable support. This component uses a connecting slot 6-1 at the top of the fixed column as its core structure. The connecting column 6-2 at the bottom of the top frame 1 can be inserted into the connecting slot 6-1 for initial positioning. The stabilizing slots 6-3 on both sides of the fixed column cooperate with the stabilizing plate 6-4 at the bottom of the top frame 1. After the stabilizing plate 6-4 is inserted into the stabilizing slot 6-3, a screw 6-6 is inserted into the round hole 6-5 of the stabilizing slot 6-3, and a nut 6-7 is tightened to secure the top frame 1 to the fixed column, providing a stable support structure. Depending on actual detection needs, the height of the top frame 1 can be adjusted by increasing or decreasing the depth of the connecting column 6-2 inserted into the connecting slot 6-1, or by replacing the connecting column 6-2 and stabilizing plate 6-4 with different lengths. This, in turn, changes the installation height of the visibility meter body 3 and the warning component 5 to adapt to the environmental characteristics of different tunnel exits.

[0047] By positioning the connecting groove 6-1 and the connecting column 6-2, cooperating with the stabilizing groove 6-3 and the stabilizing plate 6-4, and tightening the screw 6-6 and nut 6-7, the height adjustment component 6 realizes the height adjustment and stable support of the detection device.

[0048] For example, such as Figure 1 As shown, the illumination lamp 5-1 and the projection lamp 5-2 are located adjacent to each other.

[0049] In some examples, the main location can be focused for illumination and projection, avoiding overly dispersed locations that could distract the driver.

[0050] For example, such as Figure 1 As shown, a rectangular plate 7 is provided at the lower end of the fixed column, and fixing holes 8 are provided at both ends of the surface of the rectangular plate 7.

[0051] In some examples, rectangular plates 7 and fixing holes 8 are provided to facilitate the passage of fasteners and secure fixation to the ground.

[0052] For example, such as Figure 1 As shown, the drive motor 4-2 can control the rotating rod 4-3 to rotate 90°.

[0053] In some examples, by rotating the visibility meter body 3 by 90°, it is possible to completely avoid the main driving path.

[0054] In practical use: The stabilizing plate 6-4 at the lower end of the fixed column is fixed to the side of the tunnel exit road surface through the fixing hole 8 using expansion bolts. The top frame 1 is inserted into the connecting groove 6-1 at the top of the fixed column through the connecting column 6-2. The stabilizing plate 6-4 is inserted into the stabilizing grooves 6-3 on both sides of the fixed column. The top frame 1 is fixed by passing the screw 6-6 and nut 6-7 through the round hole 6-5. The height of the top frame 1 is adjusted to adapt to the tunnel exit environment. The side groove 4-1 of the connecting component 4 is opened inside the top frame 1. The drive motor 4-2 is installed in the side groove 4-1 and connected to the rotating rod 4-3. The visibility meter body 3 is fixed to one end of the rotating rod 4-3. The illumination light 5-1, projection light 5-2, LED screen 5-4, and speaker 5-5 of the warning component 5 are installed on the top of the top frame 1, and covered and protected by the shield 5-6. The monitoring camera 5-3 is installed on both sides of the top frame 1. In normal weather, the drive motor 4-2 controls the rotating rod 4-3 to rotate the visibility meter body 3 90° and store it inside the top frame 1. When detecting, it rotates back. When the visibility meter body 3 detects fog, the illumination light 5-1 and projection light 5-2 of the warning component 5 are turned on, the LED screen 5-4 displays warning information, the speaker 5-5 plays a voice reminder, and the monitoring camera 5-3 monitors the road conditions in real time.

[0055] It should be noted that the above embodiments are only used to illustrate the technical solutions of this disclosure and are not intended to limit it. Although this disclosure has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this disclosure without departing from the spirit and scope of the technical solutions of this disclosure, and all such modifications and substitutions should be covered within the scope of the claims of this disclosure.

Claims

1. A device for detecting fog patches at a tunnel exit, characterized in that, include: A top frame (1) and a pair of fixed posts (2), the top frame (1) being disposed on top of the fixed posts (2); The visibility meter body (3) and the connecting component (4) are provided. The visibility meter body (3) is disposed on the fixed column (2), and the connecting component (4) is disposed between the visibility meter body (3) and the fixed column (2). A height adjustment assembly (6) is disposed between the top frame (1) and the fixed column (2); Warning component (5), the warning component (5) is disposed on the top of the top frame (1); The connecting assembly (4) includes a pair of side slots (4-1), which are formed on opposite end faces inside the top frame (1). A drive motor (4-2) is provided in the side slot (4-1), and a rotating rod (4-3) is provided at the output end of the drive motor (4-2). The rotating rod (4-3) is connected to the output end of the drive motor (4-2), and the visibility meter body (3) is connected to one end of the rotating rod (4-3).

2. The tunnel exit fog detection device according to claim 1, characterized in that, The warning component (5) includes an illumination lamp (5-1), which is fixed to the top of the top frame (1). A projection lamp (5-2) is provided on the top of the top frame (1), and monitoring cameras (5-3) are provided on both sides of the top frame (1).

3. The tunnel exit fog detection device according to claim 2, characterized in that, An LED screen (5-4) is provided on the top of the top frame (1), a pair of speakers (5-5) are provided on the top of the top frame (1), and a shield (5-6) is provided on the top of the top frame (1), which covers the top of the LED screen (5-4) and the top of the illumination lamp (5-1).

4. The tunnel exit fog detection device according to claim 1, characterized in that, The height adjustment component (6) includes a connecting groove (6-1), which is opened in the top of the fixed column (2). The top frame (1) is provided with connecting columns (6-2) at both ends of the bottom, and the connecting columns (6-2) are inserted into the connecting groove (6-1).

5. A tunnel exit fog detection device according to claim 4, characterized in that, The fixed column (2) has stabilizing grooves (6-3) on both sides. The top frame (1) has a pair of stabilizing plates (6-4) at both ends of its bottom. The stabilizing plates (6-4) are inserted into the stabilizing grooves (6-3). The stabilizing grooves (6-3) have several round holes (6-5). A pair of screws (6-6) are inserted between the stabilizing plates (6-4), the connecting column (6-2), and the fixed column (2). The screws (6-6) are located in the round holes (6-5). A nut (6-7) is screwed to one end of the screws (6-6).

6. A tunnel exit fog detection device according to claim 2, characterized in that, The illumination lamp (5-1) and the projection lamp (5-2) are located adjacent to each other.

7. A tunnel exit fog detection device according to claim 1, characterized in that, A rectangular plate (7) is provided at the lower end of the fixed column (2), and fixing holes (8) are provided at both ends of the surface of the rectangular plate (7).

8. A tunnel exit fog detection device according to claim 1, characterized in that, The drive motor (4-2) can control the rotating rod (4-3) to rotate 90°.

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