Level meter for monitoring vertical displacement of roadbed
By setting linearly distributed piles and photoelectric sensors on the roadbed, combined with wireless modules and laser components, the problem of laser beams being easily affected by the external environment in existing technologies has been solved, achieving low-cost and high-accuracy monitoring of roadbed vertical displacement.
Patent Information
- Application Number
- CN202520203648.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-02-10
AI Technical Summary
In existing methods for monitoring vertical displacement of roadbeds, the distances between multiple observation piles and the laser measuring instrument are not equal, which makes the laser beam measurement results susceptible to the influence of the external environment and results in high detection costs.
The monitoring components include linearly distributed piles and photoelectric sensors, combined with wireless modules and laser components. The photoelectric sensors convert light signals into electrical signals, and the light-blocking components reduce external light interference, thereby reducing detection costs and improving accuracy.
It achieves highly accurate detection of roadbed vertical displacement that is not easily affected by the external environment, reduces detection costs, and improves the practicality of monitoring.
Smart Images
Figure CN223780812U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of roadbed monitoring technology, specifically to a level gauge for monitoring the vertical displacement of roadbeds. Background Technology
[0002] In the field of engineering, vertical displacement refers to the change in displacement in the vertical direction. By monitoring the vertical displacement of the roadbed, information on the uplift or subsidence of a large area of the ground surface, as well as the rise or sinking of individual locations, can be obtained. With the rapid increase in the operating mileage of railways, this technology plays an important role in monitoring geological activity and assessing the stability of roadbed structures.
[0003] Current common methods for monitoring the vertical displacement of roadbeds involve using a laser beam to measure the distance from the roadbed surface to a reference point (an observation pile buried near the roadbed), and then continuously scanning and recording the data to obtain the vertical displacement curve of the roadbed. However, in actual use, multiple observation piles within a certain distance are often measured by the same laser measuring instrument, and the distance between the multiple observation piles and the laser measuring instrument is not equal. That is, some observation piles are far from the roadbed surface and the laser measuring instrument, and the measurement results of the laser beam are easily affected by the external environment, making them inconvenient to use. In order to reasonably improve this problem, this application proposes a level gauge for monitoring the vertical displacement of roadbeds. Utility Model Content
[0004] The purpose of this application is to address the technical problem that common methods for monitoring the vertical displacement of roadbeds involve using a laser beam to measure the distance from the roadbed surface to a reference point, and then continuously scanning and recording data to obtain the vertical displacement curve of the roadbed. However, in actual use, multiple observation piles within a certain distance are often measured by the same laser measuring instrument, and the distance between the multiple observation piles and the laser measuring instrument is not equal. That is, the distance between some observation piles and the roadbed surface and the laser measuring instrument is relatively far, which makes the measurement results of the laser beam easily affected by the external environment and inconvenient to use. This application provides a level gauge for monitoring the vertical displacement of roadbeds.
[0005] To achieve the above objectives, this application specifically adopts the following technical solution:
[0006] A level gauge for monitoring vertical displacement of roadbed, comprising a roadbed, and further comprising:
[0007] The monitoring component includes piles linearly distributed on the roadbed slope. Each pile has a photoelectric sensor installed at its top and multiple such sensors are linearly distributed along the pile axis. The multiple photoelectric sensors are electrically connected to a wireless module. Multiple rods are spaced apart on the side of the pile away from the roadbed. Each rod has a cylindrical shell connected to its top. A laser component is installed inside the cylindrical shell. Multiple light holes are distributed around the cylindrical shell, each corresponding to a photoelectric sensor on one of the multiple piles.
[0008] A light-blocking component is located on the outside of the photoelectric sensor to prevent the photoelectric sensor from being easily affected by external light.
[0009] Furthermore, the number of monitoring components is two, and they are respectively installed on the slopes on both sides of the roadbed.
[0010] Furthermore, the piles on both sides of the roadbed slope are distributed in a staggered manner.
[0011] Furthermore, the laser assembly includes a laser generator installed inside a cylindrical housing, and the output end of the laser generator is provided with a beam splitter.
[0012] Furthermore, the receiving surface of the photoelectric sensor is arc-shaped.
[0013] Furthermore, the light-blocking component includes a glass cover disposed outside the photoelectric sensor, and an anti-peeping film is attached to the outside of the glass cover.
[0014] Furthermore, an arc-shaped light-shielding plate is provided on the outer side of the pile body, and a baffle is connected to the top of the arc-shaped light-shielding plate.
[0015] Furthermore, the top of the pile is connected to the baffle via a semi-cylinder, a photoelectric sensor is installed on the flat side of the semi-cylinder, a battery is installed inside the semi-cylinder, a solar panel is installed on the top of the baffle, and the solar panel, wireless module and battery are electrically connected.
[0016] The beneficial effects of this application are as follows:
[0017] This application replaces the laser measuring instrument with a monitoring component, which has advantages over existing technologies, such as being less affected by the external environment and having high accuracy in vertical displacement detection, and is therefore practical. Attached Figure Description
[0018] Figure 1 This is a three-dimensional structural diagram of this application;
[0019] Figure 2 This application Figure 1 Partial structural sectional view;
[0020] Figure 3 This is a schematic diagram of the pile structure in this application;
[0021] Figure 4 This is a schematic diagram of the rod structure of this application;
[0022] Reference numerals: 1. Roadbed; 2. Monitoring component; 201. Pile; 202. Photoelectric sensor; 203. Pole; 204. Cylindrical housing; 205. Laser component; 2051. Laser generator; 2052. Beam splitter; 206. Optical aperture; 3. Light blocking component; 301. Glass cover; 302. Privacy film; 4. Curved light shield; 5. Baffle; 6. Semi-cylinder; 7. Battery; 8. Solar panel. Detailed Implementation
[0023] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings.
[0024] like Figures 1-4 As shown, one embodiment of this application proposes a level gauge for monitoring the vertical displacement of a roadbed, comprising a roadbed 1, the roadbed 1 being trapezoidal in shape with sloping sides, and further comprising:
[0025] Monitoring component 2 includes piles 201 linearly distributed on the slope of roadbed 1. The piles 201 are vertically embedded on the slope of roadbed 1. A photoelectric sensor 202 is installed at the top of each pile 201. The photoelectric sensor 202 converts light signals into electrical signals. Multiple photoelectric sensors 202 are linearly distributed along the axis of the piles 201, with consistent spacing. Multiple photoelectric sensors 202 on each pile 201 form a group. Different groups of photoelectric sensors 202 output different electrical signals, and multiple photoelectric sensors 202 within the same group also output different electrical signals. Multiple photoelectric sensors 202 are electrically connected to a wireless module, specifically a Bluetooth module, which can wirelessly transmit the electrical signals output by the photoelectric sensors 202 to a receiving device. Multiple poles 203 are spaced apart on the side of the piles 201 away from the roadbed 1. The poles 203 are parallel to the piles 201 and vertically installed on the ground, away from the roadbed 1. The roadbed 1 has a cylindrical housing 204 connected to the top of the pole 203. A laser assembly 205 is installed inside the cylindrical housing 204. Multiple optical holes 206 are distributed around the periphery of the cylindrical housing 204, each corresponding to a photoelectric sensor 202 on a pile 201. Only photoelectric sensors 202 illuminated by the laser will output an electrical signal. The laser beam generated by the laser assembly 205 passes through the multiple optical holes 206 and illuminates the photoelectric sensors 202 at the same height on the top of the piles 201. When a portion of the roadbed 1 undergoes vertical displacement, the piles 201 displace along with the roadbed 1. The laser beam output by the laser assembly 205 can move across the multiple photoelectric sensors 202. At this time, based on the changes in the electrical signals output by the photoelectric sensors 202 within the same group, the displacement segment of the roadbed 1 and the displacement distance of the multiple piles 201 can be determined, thus obtaining the vertical displacement curve of the roadbed 1. Figure 1 As shown, in this application, there are four light holes 206. The photoelectric sensor 202 on one pile 201 is irradiated by the laser beams of the laser components 205 on two rods 203. Through the cooperation of multiple cylindrical shells 204, the accuracy of vertical displacement detection can be improved.
[0026] The light-blocking component 3 is located on the outside of the photoelectric sensor 202 to make the photoelectric sensor 202 less susceptible to the influence of external light.
[0027] In the prior art, a large number of laser measuring instruments are used to detect the entire roadbed 1, resulting in high detection costs. This application, through the structure of the monitoring component 2, can perform the same function as the laser measuring instrument, namely, to monitor the vertical displacement of the roadbed 1. Compared with the laser measuring instrument, this application has the advantage of low detection costs.
[0028] This application replaces the laser measuring instrument with the monitoring component 2, which has advantages over the prior art, such as being less affected by the external environment and having high accuracy in vertical displacement detection, and is therefore practical.
[0029] like Figure 1 As shown, in some embodiments, there are two monitoring components 2, which are respectively set on the slopes on both sides of the roadbed 1. This design allows for simultaneous monitoring from both slopes of the roadbed 1, thereby further improving the accuracy of monitoring the vertical displacement of the roadbed 1.
[0030] like Figure 1 As shown, in some embodiments, the piles 201 on both sides of the roadbed 1 are distributed in a staggered manner. This design makes it less likely for monitoring blind spots to occur between the piles 201 due to large spacing when monitoring the vertical displacement of the roadbed 1.
[0031] like Figure 1 and Figure 4 As shown, in some embodiments, the laser assembly 205 includes a laser generator 2051 installed in a cylindrical housing 204. The output end of the laser generator 2051 is provided with a beam splitter 2052. The laser beam output by the laser generator 2051 is dispersed by the beam splitter 2052 and emitted through multiple light holes 206. This design allows one laser generator 2051 to cooperate with multiple photoelectric sensors 202, which can reduce detection costs.
[0032] like Figure 2 and Figure 3 As shown, in some embodiments, the receiving surface of the photoelectric sensor 202 is arc-shaped. The laser beam irradiates the photoresistor in the photoelectric sensor 202 to convert the optical signal into an electrical signal. The receiving surface is located on the photoresistor. This design facilitates the reception of two laser beams at different angles.
[0033] like Figure 3 As shown, in some embodiments, the light-blocking component 3 includes a glass cover 301 disposed outside the photoelectric sensor 202. The glass cover 301 is relatively thin, which can protect the photoelectric sensor 202 and prevent it from being damaged. The glass cover 301 is an arc-shaped cover with the receiving surface of the photoelectric sensor 202 concentric. When the laser beam passes through the glass cover 301, it is not easy to be refracted. An anti-peeping film 302 is attached to the outside of the glass cover 301. The light hole 206 has a certain elevation angle. The anti-peeping film 302 utilizes the "grating" principle, which is equivalent to installing a louver on the glass cover 301 so that only the laser beam emitted along the elevation angle of the light hole 206 can pass through the anti-peeping film 302, so that external light is not easily affected by the photoelectric sensor 202.
[0034] like Figure 2 and Figure 3As shown, in some embodiments, an arc-shaped light-shielding plate 4 is provided on the outer side of the pile body 201, the pile body 201 is located on the inner side of the arc of the arc-shaped light-shielding plate 4, and the inner sides of the arcs of the arc-shaped light-shielding plates 4 on different sides are opposite to each other. A baffle 5 is connected to the top of the arc-shaped light-shielding plate 4. Both the arc-shaped light-shielding plate 4 and the baffle 5 are black opaque PC boards. Through the cooperation of the arc-shaped light-shielding plate 4, the baffle 5 and the privacy film 302, the influence of external light on the photoelectric sensor 202 can be further reduced.
[0035] like Figure 2 and Figure 3 As shown, in some embodiments, the top of the pile 201 is connected to the baffle 5 via a semi-cylinder 6. The photoelectric sensor 202 is installed on the flat side of the semi-cylinder 6. A battery 7 is installed inside the semi-cylinder 6. A solar panel 8 is installed on the top of the baffle 5. The solar panel 8, the wireless module, and the battery 7 are electrically connected. This structure is similar to a solar street light. During the day, the solar panel 8 absorbs sunlight to generate electricity, which can power the wireless module that transmits electrical signals wirelessly. At the same time, it can fully charge the battery 7. At night, the battery 7 can power the wireless module. This design eliminates the need to lay circuits on the slope of the roadbed 1, making it easy to install and use.
[0036] The above description of the disclosed embodiments enables those skilled in the art to make or use this 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 this application. Therefore, this application is not 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 level gauge for monitoring vertical displacement of roadbed, comprising a roadbed (1), characterized in that, Also includes: The monitoring component (2) includes piles (201) linearly distributed on the slope of the roadbed (1). A photoelectric sensor (202) is installed at the top of the pile (201), and multiple photoelectric sensors (202) are linearly distributed along the axis of the pile (201). The multiple photoelectric sensors (202) are electrically connected to a wireless module. Multiple rods (203) are spaced apart on the side of the pile (201) away from the roadbed (1). A cylindrical shell (204) is connected to the top of the rod (203). A laser component (205) is installed inside the cylindrical shell (204). Multiple light holes (206) are distributed around the cylindrical shell (204) and correspond one-to-one with the photoelectric sensors (202) on the multiple piles (201). The light-blocking component (3) is located on the outside of the photoelectric sensor (202) so that the photoelectric sensor (202) is not easily affected by external light.
2. The level gauge for monitoring vertical displacement of roadbed according to claim 1, characterized in that, The number of monitoring components (2) is two, and they are respectively set on the slopes on both sides of the roadbed (1).
3. The level gauge for monitoring vertical displacement of roadbed according to claim 2, characterized in that, The piles (201) on both sides of the roadbed (1) are distributed in a staggered manner.
4. The level gauge for monitoring vertical displacement of roadbed according to claim 1, characterized in that, The laser assembly (205) includes a laser generator (2051) installed in a cylindrical housing (204), and the output end of the laser generator (2051) is provided with a beam splitter (2052).
5. The level gauge for monitoring vertical displacement of roadbed according to claim 4, characterized in that, The receiving surface of the photoelectric sensor (202) is arc-shaped.
6. The level gauge for monitoring vertical displacement of roadbed according to claim 5, characterized in that, The light-blocking component (3) includes a glass cover (301) disposed outside the photoelectric sensor (202), and a privacy film (302) is attached to the outside of the glass cover (301).
7. The level gauge for monitoring vertical displacement of roadbed according to claim 6, characterized in that, An arc-shaped light-shielding plate (4) is provided on the outside of the pile body (201), and a baffle (5) is connected to the top of the arc-shaped light-shielding plate (4).
8. The level gauge for monitoring vertical displacement of roadbed according to claim 7, characterized in that, The top of the pile (201) is connected to the baffle (5) via a semi-cylinder (6). The photoelectric sensor (202) is installed on the flat side of the semi-cylinder (6). A storage battery (7) is installed inside the semi-cylinder (6). A solar panel (8) is installed on the top of the baffle (5). The solar panel (8), the wireless module, and the storage battery (7) are electrically connected.