Laser water ruler device and monitoring method thereof

Abstract

The present invention discloses a laser water ruler device, comprising a laser detection module for detecting altitude and horizontal angle; a control module connected to the laser detection module and configured to control the device based on the detection data from the laser detection module; a laser projection module connected to the control module and configured to project data onto a projection surface based on control signals from the control module; a mobile phone communication module; a network communication module; and a power supply module for supplying power to the laser detection module, the laser projection module, the control module, the mobile phone communication module, and the network communication module. Laser detection and laser projection allow the device to directly project altitude values ​​without manual conversion, and laser distance measurement is unaffected by the shape of the projection surface, resulting in more accurate measurement results and smaller errors.

Description

Technical Field

[0001] The invention relates to a laser water scale device and a monitoring method thereof. Background Art

[0002] With my country's rapid economic development and advancing urbanization, water resources are currently scarce in most regions of the country, and floods are frequent. Refined water resource management is urgently needed, placing increasing demands on related technologies. In the early stages of water level monitoring, traditional methods such as water gauges, video cameras, and water level gauges were often used. A survey of existing water services and water conservancy infrastructure revealed that these systems were constructed independently by multiple companies, each implementing different standards. This resulted in significant errors in system maintenance and monitoring results. During operation, the lack of standardized construction standards and maintenance organizations not only resulted in significant waste of water resources but also led to mutual buck-passing when problems arose. There was also a lack of guidance for predicting incidents and for timely locating and tracing back to the source. Traditional water gauges are difficult to maintain, clean, and change during periods of frequent water level fluctuations and are easily affected by water level, weather, and water quality. Accurate readings can be difficult at night, when the gauge numbers are unclear, or when obstructions are present. Video systems cannot directly read water level values, requiring manual interpretation, which is also susceptible to interference from external factors. This increases interpretation time and calculation errors. Traditional water level gauges operate stably under normal conditions, but lack the ability to detect faults themselves and are prone to large data errors under abnormal circumstances. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a laser water scale device with less error and a monitoring method thereof.

[0004] In order to solve the above problems, the present invention adopts the following technical solutions:

[0005] A laser water ruler device, comprising

[0006] Laser detection module, used to detect altitude and horizontal angle;

[0007] a control module connected to the laser detection module and configured to perform control according to detection data of the laser detection module;

[0008] a laser projection module, connected to the control module, and configured to project onto a projection surface according to a control signal from the control module;

[0009] Mobile phone communication module;

[0010] Network communication module; and

[0011] The power module is used to supply power to the laser detection module, laser projection module, control module, mobile phone communication module and network communication module.

[0012] Preferably, the mobile phone communication module is one or more of a Bluetooth module, a GPRS wireless data transmission module, a WiFi module or a ZigBee wireless communication module.

[0013] Preferably, the network communication module is a serial port to Ethernet module or a PCI bus network card.

[0014] Preferably, the laser detection module, laser projection module, mobile phone communication module and network communication module are all electrically connected to the control module.

[0015] Preferably, a management module is also included for storing water level data.

[0016] Preferably, it also includes a video shooting module for shooting the water level in the monitoring area.

[0017] Preferably, the laser water ruler is further provided with a shell, and the shell is provided with one or more of a wall hook, a vertical pole or a tripod bracket.

[0018] Preferably, the housing is provided with a mounting device for connecting to a wall hook, a vertical pole or a triangular bracket, the mounting device comprises a first connecting member and a second connecting member, the first connecting member and the second connecting member are threadedly connected, the second connecting member is provided with a first screw hole matched with the wall hook and a second screw hole matched with the triangular bracket.

[0019] The second connecting member is provided with a loading platform, the loading platform is provided with a through hole matched with the vertical pole, the second connecting member is provided with a slide groove, a slider is provided in the slide groove, and a clamping arm for clamping the vertical pole is provided on the slider. The second connecting member is provided with a third screw hole, the third screw hole is connected with the slide groove, a screw is screwed into the third screw hole, and the end of the screw is rotatably connected with the slider.

[0020] The present invention also provides a monitoring method for a laser water scale device, comprising the following steps:

[0021] S1, receiving control instructions, and setting the reference height of the laser water ruler according to the control instructions;

[0022] S2, the control module activates the laser detection module according to the control instruction;

[0023] S3, the laser detection module detects the distance and shape of the projection surface in sections and collects relevant data;

[0024] S4, the control module calculates the laser image projection ratio and value of the laser projection module according to the collected data and the reference height;

[0025] S5. Activate the laser projection module to project the actual value onto the projection surface in proportion to the calculated result.

[0026] Preferably, the method further comprises the following steps:

[0027] The control module calculates the water level data based on the water level detected by the laser detection module and uploads it to the management module.

[0028] The beneficial effects of the present invention are as follows: utilizing the good penetrability of laser and the power supply of the device itself, it is not affected by external factors such as weather and does not require auxiliary lighting; in addition, the water scale, video, and water level are integrated into one, which can unify existing standards and equipment and reduce technical errors. The device communication method of the present invention supports multiple viewing methods and ensures that data is uploaded in a timely and effective manner. In addition, the device of the present invention has a laser ranging device that is not affected by the shape of the projection surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0030] Figure 1 This is a structural schematic diagram of a laser water ruler device of the present invention.

[0031] Figure 2 This is a structural schematic diagram of an installation device for a laser water scale device of the present invention.

[0032] Figure 3 This is a line diagram for calculating the tilt angle and projection ratio of a laser water scale device of the present invention.

[0033] In the picture:

[0034] 1. Laser detection module; 2. Control module; 3. Laser projection module; 4. Mobile communication module; 5. Network communication module; 6. Power module; 7. Management module; 8. First connecting piece; 9. Second connecting piece; 10. Second screw hole; 11. Loading platform; 12. Through hole; 13. Slide groove; 14. Clamping arm; 15. Screw. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0036] In the embodiments, it should be understood that the terms "middle", "upper", "lower", "top", "right", "left end", "above", "back", "middle", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0037] In addition, in this specific embodiment, if the connection or fixing method between components is not specifically described, the connection or fixing method can be conventional methods such as bolt fixing, pin fixing, pin connection, adhesive fixing, or riveting fixing commonly used in the prior art, and therefore, it will not be described in detail in the embodiments.

[0038] Example 1

[0039] like Figure 1 As shown, a laser water ruler device includes

[0040] Laser detection module 1, used to detect altitude and horizontal angle;

[0041] The control module 2 is connected to the laser detection module 1 and is used to perform control according to the detection data of the laser detection module 1, and can calculate the shape of the projection surface according to the distance and angle to the projection surface; through the calculation function of the control module, the altitude value is directly projected without manual conversion, and the laser ranging is not affected by the shape of the projection surface, and the measurement result is more accurate.

[0042] Laser projection module 3, connected to control module 2, is used to project actual values ​​onto the projection surface based on the calculation results of control module 2. Laser projection module 3 can automatically activate and begin laser projection based on control signals from control module 2. When laser projection is not needed, it can enter a dormant state, reducing power consumption. Laser projection module 3 can also control projection time, scale, laser intensity, and other information based on the calculation results.

[0043] The system also includes a mobile phone communication module 4, a network communication module 5, and a power supply module 6. The mobile phone communication module 4 is used for the human-machine interface, installation parameter setting, monitoring, review, and data transmission. It can also be used to read data from a temporary monitoring site and, to a certain extent, serves as a backup for the network communication module. The network communication module 5 is used for long-term, large-capacity data transmission and, to a certain extent, serves as a backup for the mobile phone communication module 4. The power supply module 6 is used to power the laser detection module 1, the laser projection module 3, the control module 2, the mobile phone communication module 4, and the network communication module 5. The laser detection module 1, the laser projection module 3, the mobile phone communication module 4, and the network communication module 5 are all electrically connected to the control module 2. The power supply module 6 can also be configured with different power supply modes according to the needs of the equipment.

[0044] In this embodiment, the mobile phone communication module 4 is a GPRS wireless data transmission module, which is used to communicate with the mobile phone and realize related communication functions such as mobile phone control and mobile phone data collection.

[0045] In this embodiment, the network communication module 5 is a PCI bus network card to achieve remote data transmission.

[0046] At the same time, in this embodiment, a wired method can also be used to communicate with the background to achieve data transmission and query.

[0047] In this embodiment, the system further includes a management module 7 for storing water level data for staff to query, and a video capture module for capturing water levels in the monitored area. The video capture module is wirelessly connected to the management module 7.

[0048] Please refer to Figure 2 In this embodiment, the laser water ruler is further provided with a housing (not shown), which is provided with a wall hook (not shown), a vertical pole (not shown), and a tripod bracket (not shown). The housing is provided with a mounting device for connecting to the wall hook, the vertical pole, and the tripod bracket. The mounting device includes a first connecting member 8 and a second connecting member 9. The first connecting member 8 and the second connecting member 9 are threadedly connected. The second connecting member 9 is provided with a first screw hole (not shown) that matches the wall hook and a second screw hole 10 that matches the tripod bracket. The second connecting member 9 is provided with a loading platform 11. The loading platform 11 is provided with a through hole 12 that matches the vertical pole. The second connecting member 9 is provided with a slide 13. A slider (not shown) is provided in the slide 13. The slider is provided with a clamping arm 14 for clamping the vertical pole. The second connecting member is provided with a third screw hole (not shown). The third screw hole is connected to the slide 13. A screw 15 is screwed into the third screw hole. The end of the screw 15 is rotatably connected to the slider.

[0049] Example 2

[0050] The present invention also proposes a monitoring method for a laser water scale device, which is applied to the laser water scale device, comprising:

[0051] Laser detection module 1, used to detect altitude and horizontal angle;

[0052] The control module 2 is connected to the laser detection module 1 and is used to perform control according to the detection data of the laser detection module 1, and can calculate the shape of the projection surface according to the distance and angle to the projection surface; through the calculation function of the control module, the altitude value is directly projected without manual conversion, and the laser ranging is not affected by the shape of the projection surface, and the measurement result is more accurate.

[0053] The laser projection module 3 is connected to the control module 2 and is used to project actual values ​​onto the projection surface in proportion to the calculation results of the control module 2. At the same time, the laser projection module 3 can be activated according to the control signal of the control module 2 to start laser projection. When laser projection is not needed, it can be dormant and enter a low-power consumption state to reduce energy loss.

[0054] It also includes a mobile phone communication module 4, a network communication module 5 and a power supply module 6. The power supply module 6 is used to power the laser detection module 1, the laser projection module 3, the control module 2, the mobile phone communication module 4 and the network communication module 5. The laser detection module 1, the laser projection module 3, the mobile phone communication module 4 and the network communication module 5 are all electrically connected to the control module 2.

[0055] In this embodiment, the mobile phone communication module 4 is a Bluetooth module.

[0056] In this embodiment, the network communication module 5 is a serial port to Ethernet module.

[0057] In this embodiment, the system further includes a management module 7 for storing water level data for staff to query, and a video capture module for capturing water levels in the monitored area. The video capture module is wirelessly connected to the management module 7.

[0058] In this embodiment, the video shooting module is a camera.

[0059] In this embodiment, the monitoring method includes the following steps:

[0060] S1. The laser water ruler receives a control command and sets the reference height of the laser water ruler according to the control command. The control command can be sent through a mobile phone or network according to the on-site situation. After receiving the control command, the laser water ruler automatically sets the reference height.

[0061] S2. The control module activates the laser detection module according to the control instruction. When no control instruction is received, the laser detection module automatically goes into sleep mode and enters a low-power state. When the control module receives the control instruction, the laser detection module is automatically activated to work.

[0062] S3, the laser detection module detects the distance and shape of the projection surface in sections and collects relevant data; the laser detection module detects the distance and angle between the laser water ruler and the projection surface and can read the projection data of the laser water ruler;

[0063] S4, the control module calculates the laser image projection ratio and value of the laser projection module according to the collected data and the reference height;

[0064] S5. Activate the laser projection module to project the actual value onto the projection surface in proportion to the calculated result. The laser projection module directly projects the actual altitude value in proportion to the shape, distance and preset altitude of the projection surface.

[0065] In this embodiment, the monitoring method further includes the following steps:

[0066] The control module calculates the water level data based on the water level detected by the laser detection module and uploads it to the management module.

[0067] like Figure 3 As shown, in this embodiment, the laser detection module provided by the laser water ruler is used to detect the altitude and horizontal angle. When installing the laser water ruler, the projection range of the highest projection point O2 and the lowest projection point O1' must be set. The calculation method of the tilt angle and projection ratio is as follows:

[0068] Step 1: The laser water ruler automatically detects the length of L and the angle a;

[0069] Step 2: The laser water ruler automatically detects the length of L' and the angle b;

[0070] Step 3: Calculate the angle d and the effective length of the projection surface based on the trigonometric function relationship:

[0071] Step 4: Calculate the segmented projection scale accuracy LZ based on the result of step 3 and the relative height LH from point O2 to point O1';

[0072] Step 5: Calculate the segment projection ratio accuracy for each segment height according to the above method to obtain a continuous segment projection ratio;

[0073] Step 6: According to the segmented projection ratio accuracy, the laser projection module can project as required.

[0074] In other embodiments, the laser water ruler of the present invention is also provided with a timing module, which can realize the timed start function by connecting with the control module, and an alarm module can also be provided. When the water level is detected to be too high, an alarm can be sent to the remote end through the communication module.

[0075] The laser water ruler provided by the present invention meets the conditions for long-distance installation, is far away from dangerous areas, and is convenient for later maintenance. The outer shell structure of the laser water ruler has two installation accessories: wall-mounted and pole-mounted. It can also be installed with an independent temporary tripod bracket. The built-in high-energy battery can be charged in a variety of ways, and can also be connected to an external standard power supply (solar power supply and mains power interface). The theoretical distance of laser projection and laser detection is 200 meters, and the installation position can be far away from and above the water surface. Because it supports remote communication with the mobile phone client, it can store multiple sets of data and can be used as a temporary device. For example, when a natural disaster or abnormal situation occurs, it is necessary to add a temporary observation site (such as a large water situation, dangerous slope collapse, abnormal original equipment, short-term infrastructure, etc.). The data can be transmitted to the mobile phone client or management platform in a timely manner. By utilizing the good penetration of the laser and the power supply of the equipment itself, it is not affected by external factors such as weather, and does not require auxiliary lighting. Through Bluetooth, wireless, and wired communication modes, it supports multiple viewing methods and ensures that data is uploaded in a timely and effective manner. In addition, the laser water ruler of the present invention uses laser ranging and is not affected by the shape of the projection surface. This invention uses data from water level monitoring at reservoirs, rivers, and canals as a foundation, and utilizes a correction algorithm based on effective visual inspection, mobile client software, and online monitoring feedback to achieve precise observation of water level changes. Any electronic device will have certain measurement errors, and reservoirs, rivers, and canals have strict elevations according to national standards. Measurements from equipment must be regularly compared to these elevations, and adjustments to the device's error trends are made based on these comparisons.

[0076] The above description is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the present invention.

Claims

1. A monitoring method for a laser water ruler device, characterized in that: The following steps are involved: S1, receiving control instructions, and setting the reference height of the laser water ruler according to the control instructions; S2, the control module activates the laser detection module according to the control instruction; S3, the laser detection module detects the distance and shape of the projection surface in sections and collects relevant data; S4, the control module calculates the laser image projection ratio and value of the laser projection module according to the collected data and the reference height; S5, activating the laser projection module to project the actual value onto the projection surface in proportion to the calculated result; The laser detection module set by the laser water ruler realizes the detection of altitude and horizontal angle. When installing the laser water ruler, the projection range of the highest projection point O2 and the lowest projection point O1' must be set. The calculation method of the tilt angle and projection ratio is as follows: Step 1: The laser water ruler automatically detects the length and angle a of L; Step 2: The laser water ruler automatically detects the length and angle b of L'; Step 3: Calculate the angle d and the effective length of the projection surface according to the trigonometric function relationship: Step 4: Calculate the segmented projection ratio accuracy LZ based on the result of the third step and the relative height LH from point O2 to point O1'; Step 5: Calculate the segmented projection ratio accuracy for each segment height according to the above method to obtain a continuous segmented projection ratio; Step 6: According to the segmented projection ratio accuracy, the laser projection module can project as required.

2. The monitoring method of a laser water ruler device according to claim 1, characterized in that: The following steps are also included: The control module calculates the water level data based on the water level detected by the laser detection module and uploads it to the management module.

3. A laser water level gauge device, using the monitoring method of the laser water level gauge device according to claim 1, characterized in that: Includes a laser detection module for detecting altitude and horizontal angle; a control module connected to the laser detection module and configured to perform control according to detection data of the laser detection module; a laser projection module, connected to the control module, and configured to project onto a projection surface according to a control signal from the control module; Mobile phone communication module; Network communication module; and The power module is used to supply power to the laser detection module, laser projection module, control module, mobile phone communication module and network communication module.

4. The laser water ruler device according to claim 3, characterized in that: The mobile phone communication module is one or more of a Bluetooth module, a GPRS wireless data transmission module, a WiFi module or a Zigbee wireless communication module.

5. The laser water ruler device according to claim 4, characterized in that: The network communication module is a serial port to Ethernet module or a PCI bus network card.

6. The laser water ruler device according to claim 5, characterized in that: The laser detection module, the laser projection module, the mobile phone communication module and the network communication module are all electrically connected to the control module.

7. The laser water ruler device according to claim 6, characterized in that: It also includes a management module for storing water level data.

8. The laser water ruler device according to claim 7, characterized in that: It also includes a video shooting module for shooting the water level in the monitoring area.

9. The laser water ruler device according to claim 3, characterized in that: The laser water ruler is further provided with a shell, and the shell is provided with one or more of a wall hook, a vertical pole or a tripod bracket.

10. The laser water ruler device according to claim 9, characterized in that: The shell is provided with a mounting device for connecting to a wall hook or a vertical pole or a tripod bracket, and the mounting device includes a first connecting member and a second connecting member, the first connecting member and the second connecting member are threadedly connected, the second connecting member is provided with a first screw hole matching the wall hook and a second screw hole matching the tripod bracket, the second connecting member is provided with a loading platform, the loading platform is provided with a through hole matching the vertical pole, the second connecting member is provided with a slide groove, a slider is provided in the slide groove, and a clamping arm for clamping the vertical pole is provided on the slider, the second connecting member is provided with a third screw hole, the third screw hole is connected to the slide groove, a screw is screwed into the third screw hole, and the end of the screw is rotatably connected to the slider.

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