Long-term monitoring device for bridge

Abstract

The utility model relates to a long-term monitoring device for a bridge. The long-term monitoring device comprises a shell, a slide rheostat, a lifting rod, a buoyancy block and a data sending module, and the shell is arranged on a bridge pier; the slide rheostat is arranged in the shell; the lifting rod is fixedly connected with the slide rheostat, and the resistance value of the slide rheostat changes along with the up-down movement of the lifting rod; the buoyancy block is connected with the end, away from the shell, of the lifting rod, makes contact with the water surface and moves up and down along the lifting rod along with changes of the water level. And the data sending module is arranged in the shell, is electrically connected with the slide rheostat and is used for converting a resistance value change signal of the slide rheostat into water level height data and transmitting the water level data to a monitoring terminal, so that remote real-time monitoring and early warning functions are realized. The long-term monitoring device can work in an all-weather and full-automatic mode, and especially under the unattended condition, delay of manual monitoring is avoided.

Description

Technical Field

[0001] This application relates to the technical field of bridge monitoring, and particularly to a long-term monitoring device for bridges. Background Art

[0002] Bridge water level monitoring devices play an important role in bridge safety management. They can monitor the water level changes in rivers or reservoirs in real time and can be used to prevent bridge structure damage or safety hazards caused by rising water levels. By monitoring water level changes, managers can take preventive measures in a timely manner to avoid the impact of floods or other natural disasters on the bridge and its surrounding environment. Especially during the flood season or in case of sudden weather conditions, accurate and real-time water level monitoring is crucial.

[0003] Currently, existing bridge water level monitoring technologies mostly use the method of measuring with a benchmark. This method usually sets warning lines on the benchmark to indicate the water level height and is supplemented by manual patrols for observation. However, the method of manual patrol has certain limitations, mainly manifested as the delay in data acquisition and the inability to provide real-time feedback on water level changes. In addition, it is often difficult to obtain data comprehensively and continuously through manual monitoring, which cannot meet the requirements of all-weather water level monitoring of bridges. Especially during night monitoring, due to insufficient light, it is difficult to clearly read the water level scale on the benchmark, resulting in inaccurate water level monitoring data, which in turn affects the timeliness and effectiveness of bridge safety management.

[0004] In view of the above problems, a long-term monitoring device for bridges is proposed, aiming to achieve real-time and accurate data collection, avoid the problems of monitoring delay and incomplete data caused by manual patrols. At the same time, it can also ensure that accurate water level data can still be obtained in an environment with insufficient light, meeting the requirements of all-weather and fully automated monitoring. Utility Model Content

[0005] The purpose of this application is to overcome the deficiencies in the prior art and propose a long-term monitoring device for bridges, aiming to achieve real-time and accurate data collection, avoid the problems of monitoring delay and incomplete data caused by manual patrols, and at the same time meet the requirements of all-weather and fully automated monitoring.

[0006] This application is achieved through the following technical solutions:

[0007] This application proposes a long-term monitoring device for bridges, including:

[0008] A housing, which is provided on the bridge pier;

[0009] A sliding rheostat, which is provided inside the housing;

[0010] The lifting rod is fixedly connected to the sliding rheostat, and the resistance value of the sliding rheostat changes as the lifting rod moves up and down.

[0011] The buoyancy block is connected to the end of the lifting rod away from the housing. The buoyancy block contacts the water surface and moves up and down along the lifting rod as the water level changes.

[0012] The data sending module is arranged in the housing. The data sending module is electrically connected to the sliding rheostat and is used to convert the resistance value change signal of the sliding rheostat into water level height data and transmit the water level data to the monitoring terminal for real-time monitoring of the water level.

[0013] In an embodiment of the present application, the sliding rheostat is a linear sliding rheostat, and its extending direction faces the water surface, and it can linearly change the resistance value according to the moving distance of the lifting rod.

[0014] In an embodiment of the present application, the sliding rheostat includes:

[0015] The sliding plate track is arranged in the housing;

[0016] The connecting shaft is slidably connected to the sliding plate track at one end and fixedly connected to the lifting rod at the other end;

[0017] When the connecting shaft slides along the sliding plate track, the current path in the resistor body of the sliding plate track changes to change the resistance value in the circuit.

[0018] In an embodiment of the present application, a chute is arranged inside the housing, and a slide rail is arranged on the lifting rod. The slide rail is slidably connected to the chute so that the lifting rod can move up and down relative to the housing.

[0019] In an embodiment of the present application, the buoyancy block is made of corrosion-resistant material to adapt to the working environment of long-term contact with water bodies.

[0020] In an embodiment of the present application, a counterweight block is arranged between the lifting rod and the buoyancy block. When the water level drops, the lifting rod moves downward through the counterweight block so that the buoyancy block always fits the water surface.

[0021] In an embodiment of the present application, a fixing plate is arranged on the housing, and the fixing plate is fixed to the bridge pier to fixedly connect the housing to the bridge pier.

[0022] In an embodiment of the present application, the data sending module includes:

[0023] The control board is electrically connected to the sliding rheostat and is used to receive and process the resistance value change signal from the sliding rheostat and convert the resistance signal into water level height data;

[0024] A wireless communication module, electrically connected to the control board, is configured to remotely transmit water level height data to an external monitoring terminal.

[0025] In an embodiment of the present application, the long-term monitoring device for a bridge further includes a battery. The battery is disposed inside the housing and near the top position of the housing, and the battery is electrically connected to the control board.

[0026] In an embodiment of the present application, the long-term monitoring device for a bridge further includes a solar panel. The solar panel is disposed on the top of the housing, and the solar panel is electrically connected to the battery.

[0027] Compared with the prior art, the beneficial effects of the present application are as follows:

[0028] The housing is disposed on a bridge pier, and a sliding rheostat is disposed inside the housing. One end of a lifting rod is fixedly connected to the sliding rheostat, and the other end is connected to a buoyancy block. The buoyancy block is always in contact with the water surface. When the buoyancy block moves up and down with the water level, the lifting rod changes the resistance value in the resistor body through the sliding structure of the sliding rheostat. When the water level rises, the buoyancy block rises with the water surface and drives the lifting rod to move upward. When the water level drops, the buoyancy block sinks and the lifting rod moves downward accordingly. As the lifting rod rises or falls with the water surface, it will change the resistance value through the sliding rheostat. The data sending module is electrically connected to the sliding rheostat and is configured to receive the change signal of the resistance value of the sliding rheostat, convert these signals into water level height data, and then transmit the real-time water level data to the monitoring terminal to achieve remote monitoring, avoiding the delay of manual monitoring. In addition, the long-term monitoring device can work all-weather and fully automatically. Especially in the case of unattended, it avoids the errors and omissions of manual patrol. Especially during bad weather and night monitoring, it can still accurately record the water level changes.

[0029] Other features and advantages of the present application will be described in the following specification. And, in part, it will be obvious from the specification or understood by implementing the present application. The objectives and other advantages of the present application can be achieved and obtained through the structures pointed out in the specification, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0031] Figure 1Stereogram of the long-term monitoring device for bridges provided by an embodiment of the present application;

[0032] Figure 2 Stereogram of the separation of the lifting rod and the housing provided by an embodiment of the present application;

[0033] Figure 3 Side view of the long-term monitoring device for bridges provided by an embodiment of the present application;

[0034] Figure 4 is Figure 3 Cross-sectional view of the P-P part of.

[0035] Explanation of reference numerals:

[0036] 10. Long-term monitoring device for bridges; 100. Housing; 110. Fixed plate; 200. Slide rheostat; 210. Slide rail; 220. Connecting shaft; 300. Lifting rod; 310. Slide rail; 400. Counterweight; 500. Buoyancy block; 600. Data sending module; 610. Control board; 620. Wireless communication module; 700. Battery; 800. Solar panel. Detailed implementation manners

[0037] To make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts shall fall within the protection scope of the present application.

[0038] To enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some but not all of the embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts shall fall within the protection scope of the present application.

[0039] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another component, it can be directly on the other component or indirectly disposed on the other component; when a component is referred to as being "connected to" another component, it can be directly connected to the other component or indirectly connected to the other component.

[0040] It should be understood that the orientation or positional relationship indicated by terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0041] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, the meanings of "a plurality" and "several" are two or more, unless otherwise specifically defined.

[0042] It should be noted that the structures, ratios, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those skilled in the art to understand and read, and are not used to limit the implementation conditions of the present application. Therefore, they do not have a technical essence. Any modification of the structure, change of the ratio relationship, or adjustment of the size, without affecting the efficacy and purpose that the present application can achieve, should still fall within the scope covered by the technical content disclosed in the present application.

[0043] Please refer to Figures 1 to 4 , the present application provides a long-term monitoring device 10 for a bridge, including a housing 100, a sliding rheostat 200, a lifting rod 300, a buoyancy block 500, and a data sending module 600. The housing 100 is arranged on the bridge pier; the sliding rheostat 200 is arranged in the housing 100; the lifting rod 300 is fixedly connected to the sliding rheostat 200, and the resistance value of the sliding rheostat 200 changes as the lifting rod 300 moves up and down; the buoyancy block 500 is connected to one end of the lifting rod 300 away from the housing 100, the buoyancy block 500 contacts the water surface and moves up and down along the lifting rod 300 as the water level changes; the data sending module 600 is arranged in the housing 100, and the data sending module 600 is electrically connected to the sliding rheostat 200, and is used to convert the resistance value change signal of the sliding rheostat 200 into water level height data and transmit the water level data to the monitoring terminal for real-time monitoring of the water level.

[0044] Specifically, one end of the lifting rod 300 is fixedly connected to the sliding rheostat 200, and the other end is connected to the buoyancy block 500. The buoyancy block 500 is in contact with the water surface. When the buoyancy block 500 moves up and down with the water level, the lifting rod 300 changes the resistance value in the resistor body through the sliding structure of the sliding rheostat 200. When the water level rises, the buoyancy block 500 rises with the water surface and drives the lifting rod 300 to move upward. When the water level drops, the buoyancy block 500 sinks, and the lifting rod 300 moves downward accordingly. Whether the lifting rod 300 rises or falls, it will change the resistance value through the sliding rheostat 200. The data sending module 600 is electrically connected to the sliding rheostat 200, can receive the change signal of the resistance value of the sliding rheostat 200, convert these signals into water level height data, and finally transmit the real-time water level data to the monitoring terminal, realizing the functions of remote monitoring and early warning, and avoiding the latency of manual monitoring. In addition, the long-term monitoring device can work all-weather and fully automatically. Especially in the case of unattended operation, it avoids the errors and omissions of manual patrol. Especially during bad weather and night monitoring, it can still accurately record the water level changes.

[0045] Please refer to Figure 1 , in one embodiment, the sliding rheostat 200 is a linear sliding rheostat 200, and its extending direction faces the water surface, and it can linearly change the resistance value according to the moving distance of the lifting rod 300.

[0046] Specifically, the linear sliding rheostat 200 has the characteristic that the change of the resistance value is proportional to the moving distance. This means that whenever the lifting rod 300 moves upward or downward, the resistance value of the sliding rheostat 200 will change in a fixed proportion. This linear relationship greatly simplifies the processing of the water level change data, enabling the monitoring system to directly convert the resistance change into the water level height without the need for complex non-linear correction algorithms, thereby improving the accuracy and efficiency of the monitoring. By making the extending direction of the sliding rheostat 200 face the water surface, it can be ensured that when the water level rises or falls, the sliding piece of the sliding rheostat 200 can slide linearly along the resistor body. Since the water level change is a continuous and stable process, this design of the linear sliding rheostat 200 can maintain an accurate correspondence between the sliding rheostat 200 and the water level change, ensuring that every change in the water level height can be accurately monitored.

[0047] Please refer to Figure 4 , in one embodiment, the sliding rheostat 200 includes a sliding piece track 210 and a connecting shaft 220. The sliding piece track 210 is arranged in the housing 100; one end of the connecting shaft 220 is slidably connected to the sliding piece track 210, and the other end is fixedly connected to the lifting rod 300; when the connecting shaft 220 slides along the sliding piece track 210, the current path in the resistor body of the sliding piece track 210 changes to change the resistance value in the circuit.

[0048] Specifically, the slide rail 210 is arranged inside the housing 100. A resistive element is disposed on the slide rail 210. When the slide moves along the rail, the current path of the resistive element changes, thereby changing the resistance value of the entire circuit. This ensures that the slide can make precise contact with the resistive element and the sliding process is smooth, avoiding jamming or poor contact. The design extension direction of the slide rail 210 is perpendicular to the water surface. Such a design can accurately reflect the change of the water level. Because when the water level rises or falls, the lifting rod 300 will move smoothly along the rail, driving the connecting shaft 220 to slide along the slide rail 210, and the corresponding resistance value will change precisely accordingly.

[0049] It should be understood that the movement of the slide contact point will cause the resistance value to change accordingly in the circuit. The magnitude of the resistance value reflects the height of the movement of the lifting rod 300, thus corresponding to the change of the water level. Therefore, every change in the water level will cause a change in the resistance value, ensuring the real-time and accuracy of water level monitoring.

[0050] Please refer to Figure 2 and Figure 4 , in one embodiment, a chute (not marked in the figure) is provided inside the housing 100, and the lifting rod 300 is provided with a slide rail 310. The slide rail 310 is slidably connected to the chute so that the lifting rod 300 can move up and down relative to the housing 100.

[0051] Specifically, a chute is provided inside the housing 100, and the lifting rod 300 is provided with a slide rail 310. The slide rail 310 is slidably connected to the chute to ensure that the lifting rod 300 can move up and down smoothly and precisely, thereby improving the stability and accuracy of the monitoring device.

[0052] In one embodiment, the buoyancy block 500 is made of corrosion-resistant material to adapt to the working environment of long-term contact with water.

[0053] Specifically, the buoyancy block 500 is made of corrosion-resistant materials such as high-density polyethylene (HDPE), polyurethane, polypropylene, fiberglass or other composite materials. These materials can maintain structural integrity and buoyancy performance under the condition of long-term contact with water.

[0054] Please refer to Figure 1 , in one embodiment, a counterweight block 400 is provided between the lifting rod 300 and the buoyancy block 500. When the water level drops, the lifting rod 300 moves downward through the counterweight block 400 so that the buoyancy block 500 always fits the water surface.

[0055] Specifically, the setting of the counterweight 400 can provide a downward force for the lifting rod 300. When the water level drops, in the absence of external force, the buoyancy block 500 and the lifting rod 300 may not be able to follow the water level drop in time due to inertia or other resistances. By setting the counterweight 400 between the lifting rod 300 and the buoyancy block 500, an additional gravity can be provided for the lifting rod 300 when the water level drops, enabling it to move down smoothly and keeping the buoyancy block 500 in continuous contact with the water surface.

[0056] Please refer to Figure 1 and Figure 4 , in an embodiment, a fixing plate 110 is provided on the housing 100, and the fixing plate 110 is fixed to the bridge pier to fixedly connect the housing 100 to the bridge pier.

[0057] Specifically, the fixing plate 110 is fixed to the bridge pier. For example, the connection between the fixing plate 110 and the bridge pier can be through bolts, welding or other fixing methods to fixedly connect the housing 100 to the bridge pier.

[0058] Please refer to Figure 4 , in an embodiment, the data sending module 600 includes a control board 610 and a wireless communication module 620. The control board 610 is electrically connected to the sliding rheostat 200, and is used to receive and process the resistance value change signal from the sliding rheostat 200, and convert the resistance signal into water level height data; the wireless communication module 620 is electrically connected to the control board 610 and is used to remotely transmit the water level height data to an external monitoring terminal.

[0059] Specifically, the control board 610 is used to receive and process the resistance value change signal from the sliding rheostat 200 and convert the resistance signal into water level height data, while the wireless communication module 620 remotely transmits the water level height data to an external monitoring terminal to achieve remote monitoring. Managers do not have to be on-site to obtain real-time water level data. Especially in emergency situations, such as when a flood comes, corresponding measures can be taken in time. This design also reduces the frequency of manual inspections and saves labor and time costs.

[0060] Please refer to Figure 4 , in an embodiment, the long-term monitoring device 10 for a bridge further includes a battery 700. The battery 700 is disposed inside the housing 100 and near the top position of the housing 100, and the battery 700 is electrically connected to the control board 610.

[0061] Specifically, the battery 700 is electrically connected to the control board 610 to supply power to the control board 610.

[0062] Please refer to Figure 4, in one embodiment, the long-term monitoring device 10 for a bridge further includes a solar panel 800. The solar panel 800 is disposed on the top of the housing 100, and the solar panel 800 is electrically connected to the battery 700.

[0063] Specifically, the battery 700 is a rechargeable battery 700 such as a lithium battery 700. The solar panel 800 is electrically connected to the battery 700 to charge the battery 700.

[0064] The foregoing description of the disclosed embodiments enables those skilled in the art to practice or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A long-term monitoring device for a bridge, characterized in that: include: The shell is arranged on the pier; A sliding rheostat, arranged in the housing; A lifting rod, fixedly connected to the sliding rheostat, wherein the resistance value of the sliding rheostat changes as the lifting rod moves up and down; A buoyancy block is connected to an end of the lifting rod away from the housing, the buoyancy block is in contact with the water surface, and moves up and down along the lifting rod as the water level changes; A data sending module is arranged in the shell and is electrically connected to the sliding rheostat to convert the resistance value change signal of the sliding rheostat into water level height data and transmit the water level data to the monitoring terminal so as to monitor the water level in real time.

2. The long-term monitoring device for a bridge according to claim 1, characterized in that: The sliding rheostat is a linear sliding rheostat, the extension direction of which is toward the water surface, and the resistance value can be linearly changed according to the moving distance of the lifting rod.

3. The long-term monitoring device for a bridge according to claim 2, characterized in that: The sliding resistor comprises: A slide track is arranged in the housing; A connecting shaft, one end of which is slidably connected to the slide rail, and the other end of which is fixedly connected to the lifting rod; When the connecting shaft slides along the slider track, the current path in the resistor body of the slider track changes to change the resistance value in the circuit.

4. The long-term monitoring device for a bridge according to claim 1, characterized in that: A slide groove is arranged inside the shell, and a slide rail is arranged on the lifting rod. The slide rail is slidably connected with the slide groove so that the lifting rod can move up and down relative to the shell.

5. The long-term monitoring device for a bridge according to claim 1, characterized in that: The buoyancy block is made of corrosion-resistant material to adapt to the working environment of long-term contact with water.

6. The long-term monitoring device for a bridge according to claim 1, characterized in that: A counterweight block is arranged between the lifting rod and the buoyancy block. When the water level drops, the lifting rod moves downward through the counterweight block so that the buoyancy block always adheres to the water surface.

7. The long-term monitoring device for a bridge according to claim 1, characterized in that: A fixing plate is arranged on the shell, and the fixing plate is fixed on the pier to fix the shell and the pier.

8. The long-term monitoring device for a bridge according to claim 1, characterized in that: The data sending module comprises: A control board, electrically connected to the sliding rheostat, for receiving and processing a resistance value change signal from the sliding rheostat, and converting the resistance signal into water level height data; The wireless communication module is electrically connected to the control panel and is used for remotely transmitting the water level data to an external monitoring terminal.

9. The long-term monitoring device for a bridge according to claim 8, characterized in that: The long-term monitoring device for a bridge also includes a battery, which is arranged inside the shell and close to the top end of the shell, and the battery is electrically connected to the control board.

10. The long-term monitoring device for a bridge according to claim 9, characterized in that: The long-term monitoring device for a bridge also includes a solar panel, which is arranged on the top of the shell and is electrically connected to the battery.

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