CN219474740U

CN219474740U - Laser displacement sensor for water level monitoring

Info

Publication number: CN219474740U
Application number: CN202320382159.9U
Authority: CN
Inventors: 曾颖; 王潇翔
Original assignee: Yunnan Ruifeng Technology Co ltd
Current assignee: Yunnan Ruifeng Technology Co ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-08-04
Anticipated expiration: 2033-03-03

Abstract

The utility model relates to the technical field of reservoir water level monitoring, and discloses a laser displacement sensor for water level monitoring, which comprises a bracket, a target plate, a laser displacement sensor body, a communication platform, a monitoring center, a connecting rope and a first mounting seat, wherein the outer surface of the target plate is fixedly connected with the connecting rope, the outer surface of the bottom of the bracket is fixedly connected with the first mounting seat, the outer surface of the right side of the bracket is fixedly connected with a second mounting seat, and mounting holes are formed in the outer surfaces of the first mounting seat and the second mounting seat. This laser displacement sensor for water level monitoring installs the device through mounting hole cooperation first mount pad and second mount pad to carry out water level monitoring through laser displacement sensor body cooperation target plate, reach and know that the principle is simple, can realize the effect of the automatic monitoring of high accuracy's storehouse water level at engineering cost is low, solved prior art water level monitoring measuring result unstable, the higher problem of cost.

Description

Laser displacement sensor for water level monitoring

Technical Field

The utility model relates to the technical field of reservoir water level monitoring, in particular to a laser displacement sensor for water level monitoring.

Background

The reservoir is an important project for realizing water resource redistribution, and can play roles in flood control, water storage irrigation, water supply, power generation, fish culture and the like. The reservoir water level is used as an important index for reservoir safety monitoring, and plays an important role in judging the safety of the water storage reservoir and scheduling operation.

The common technical means for monitoring the water level of the current warehouse mainly comprise a pressure type and a radar type. The pressure technology is that a sensor is placed below the water surface, the pressure difference change is measured by the sensor, and the change value of the water level of the warehouse is calculated indirectly; the radar technology adopts a Pulse Coherent Radar (PCR) technology, directly measures the water surface of the reservoir, and calculates the linear distance between the scanning head and the water surface through a complex signal recognition algorithm; the pressure technology has the problem of comprehensive errors caused by measurement and calculation simplification, so that the measurement error is larger, and the measurement result is unstable; the radar technology can realize millimeter measurement, has stable measurement result, has the defect of slightly high manufacturing cost, thus a new reservoir water level monitoring technology is necessary to be sought, and the radar technology has the advantages of direct measurement, high precision, convenient installation, high cost performance and the like, so as to meet the requirements of reservoir water level monitoring and protect the reservoir for safe operation and driving

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a laser displacement sensor for water level monitoring, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a laser displacement sensor for water level monitoring, includes support, target board and laser displacement sensor body, still includes communication platform and monitoring center, the surface fixedly connected with of target board connects the rope, the one end fixed connection that the target board was kept away from to the connecting rope is at the surface of support, the bottom surface fixedly connected with first mount pad of support, the right side surface fixedly connected with second mount pad of support, the mounting hole has all been seted up to the surface of first mount pad and second mount pad.

Preferably, the top surface fixedly connected with mount of support, the internal surface of mount rotates and is connected with the lead screw, the right side surface fixed mounting of mount has the motor, the output and the surface fixed connection of lead screw of motor, the surface threaded connection of lead screw has the screw mounting panel.

Preferably, the inner surface of the fixing frame is fixedly connected with a sliding rod, and the threaded mounting plate is movably sleeved on the outer surface of the sliding rod.

By adopting the technical scheme, the motor drives the screw rod to rotate so as to drive the threaded mounting plate to slide on the surface of the slide rod, and the threaded mounting plate is prevented from rotating along with the rotation of the screw rod.

Preferably, the top surface fixedly connected with battery case of mount, the inside of battery case is provided with the battery, laser displacement sensor body and motor all with battery electric connection.

By adopting the technical scheme, the storage battery provides the required electric energy for the laser displacement sensor body and the motor.

Preferably, a solar panel is fixedly arranged on the outer surface of the top of the fixing frame, and the solar panel is electrically connected with the storage battery.

By adopting the technical scheme, the solar panel converts solar energy into electric energy and stores the electric energy into the storage battery.

Preferably, the communication platform comprises 4G/5G wireless network equipment, and the monitoring center comprises a switch, server hardware equipment, an operating system and a database.

By adopting the technical scheme, the monitoring data is transmitted to the monitoring center server through the public network by the wireless network.

Compared with the prior art, the utility model has the beneficial effects that:

1. this laser displacement sensor for water level monitoring installs the device through mounting hole cooperation first mount pad and second mount pad to carry out water level monitoring through laser displacement sensor body cooperation target plate, reach and know that the principle is simple, can realize the effect of the automatic monitoring of high accuracy's storehouse water level at engineering cost is low, solved prior art water level monitoring measuring result unstable, the higher problem of cost.

2. This laser displacement sensor for water level monitoring drives the screw thread mounting panel through motor drive lead screw and removes, and then drives the laser displacement sensor body and remove, has reached the effect that can detect the water level of different positions as required.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic elevational cross-sectional view of the present utility model;

fig. 3 is a schematic diagram of the reservoir level monitoring implementation of the present utility model.

In the figure: 1. a bracket; 2. a target plate; 3. a laser displacement sensor body; 4. a connecting rope; 5. a first mount; 6. a second mounting base; 7. a fixing frame; 8. a screw rod; 9. a motor; 10. a threaded mounting plate; 11. a slide bar; 12. a battery case; 13. a mounting hole; 14. a solar panel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1-3 in combination, a laser displacement sensor for water level monitoring comprises a bracket 1, a target plate 2, a laser displacement sensor body 3, a communication platform and a monitoring center, wherein the communication platform comprises 4G/5G wireless network equipment, the monitoring center comprises a switch, server hardware equipment, an operating system and a database, the outer surface of the bottom of the bracket 1 is fixedly connected with a first mounting seat 5, the outer surface of the right side of the bracket 1 is fixedly connected with a second mounting seat 6, the outer surfaces of the first mounting seat 5 and the second mounting seat 6 are respectively provided with a mounting hole 13, when the device is required to be mounted on a bank, the device is mounted on a required position on the bank through the mounting holes 13 on the first mounting seat 5, when the device is required to be mounted on a reservoir wall, the device is required position on the reservoir wall through the second mounting seat 6, the outer surface of the target plate 2 is fixedly connected with a connecting rope 4, one end of the connecting rope 4 far away from the target plate 2 is fixedly connected to the outer surface of the bracket 1, the connecting rope 4 is connected to the target plate 2, the other end of the connecting rope 4 is connected to the bracket 1, the target plate 2 is placed on the water surface, the whole is debugged, the laser transmitter in the laser displacement sensor body 3 emits visible red laser to the target plate 2 through a lens, the laser reflected by the target plate 2 is received by an internal CCD linear camera through a receiver lens, the CCD linear camera can 'see' the light spot at different angles according to different distances, and a digital signal processor can calculate the distance between the laser displacement sensor body 3 and the target plate 2 according to the angle and the known distance between the laser and the camera, and then transmitting the monitoring data to a monitoring center server through a public network by a wireless network, completing the initial value setting of the water level of the reservoir according to the acquired data, formally starting the water level monitoring system of the reservoir, and outputting a display result to the monitoring center after each acquisition to obtain the water level value of the reservoir.

Working principle: when the device is required to be installed on the bank, the device is installed at a required position on the bank through the installation hole 13 on the first installation seat 5, when the device is required to be installed on a reservoir wall, the device is installed at a required position on the reservoir wall through the second installation seat 6, the connecting rope 4 is connected to the target plate 2, the other end of the connecting rope 4 is connected to the bracket 1, the target plate 2 is placed on the water surface, the whole device is debugged, the device can be used after being debugged, the laser transmitter in the laser displacement sensor body 3 emits visible red laser to the target plate 2 through the lens, the laser reflected by the target plate 2 passes through the receiver lens and is received by the CCD linear camera in the interior, according to different distances, the CCD linear camera can 'see' the light spot under different angles, according to the angle and the known distance between the laser and the camera, the digital signal processor can calculate the distance between the laser displacement sensor body 3 and the target plate 2, then monitoring data is transmitted to the monitoring center server through the public network by the wireless network, the initial value setting of the water level of the reservoir is completed according to the acquired data, the water level monitoring system of the reservoir is formally started, and the display result is output to the monitoring center after each acquisition, namely the water level value of the reservoir.

Compared with the related art, the laser displacement sensor for water level monitoring has the following beneficial effects: the automatic monitoring device achieves the effects of simple calculation principle and high-precision automatic monitoring of the reservoir water level at low engineering cost, and solves the problems of unstable water level monitoring and measuring results and high cost in the prior art.

Example 2:

referring to fig. 1-2 in combination, a fixing frame 7 is fixedly connected to the outer surface of the top of a bracket 1, a screw rod 8 is rotatably connected to the inner surface of the fixing frame 7, a motor 9 is fixedly installed on the outer surface of the right side of the fixing frame 7, the output end of the motor 9 is fixedly connected with the outer surface of the screw rod 8, the motor 9 drives the screw rod 8 to rotate, a threaded mounting plate 10 is in threaded connection with the outer surface of the screw rod 8, the screw rod 8 rotates to drive the threaded mounting plate 10 to move, and accordingly the laser displacement sensor body 3 is driven to move, and water levels at different positions are detected.

Working principle: the motor 9 drives the screw rod 8 to rotate, and the screw rod 8 rotates to drive the threaded mounting plate 10 to move, so that the laser displacement sensor body 3 is driven to move, and water levels at different positions are detected.

Compared with the related art, the laser displacement sensor for water level monitoring has the following beneficial effects: the effect that the water level at different positions can be detected according to the needs is achieved.

The above-mentioned respective means concerning the use of the apparatus are different in selection and use according to actual practice, and various parameters are referred to, and the function according to the apparatus used corresponds to the effect achieved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a laser displacement sensor for water level monitoring, includes support (1), target plate (2) and laser displacement sensor body (3), still includes communication platform and monitoring center, its characterized in that: the outer surface fixedly connected with connecting rope (4) of target board (2), the one end fixed connection that target board (2) was kept away from to connecting rope (4) is at the surface of support (1), the bottom surface fixedly connected with first mount pad (5) of support (1), the right side surface fixedly connected with second mount pad (6) of support (1), mounting hole (13) have all been seted up to the surface of first mount pad (5) and second mount pad (6).

2. The laser displacement sensor for water level monitoring according to claim 1, wherein: the top surface fixedly connected with mount (7) of support (1), the internal surface rotation of mount (7) is connected with lead screw (8), the right side surface fixed mounting of mount (7) has motor (9), the output of motor (9) and the surface fixed connection of lead screw (8), the surface threaded connection of lead screw (8) has threaded mounting panel (10).

3. The laser displacement sensor for water level monitoring according to claim 2, wherein: the inner surface of the fixing frame (7) is fixedly connected with a sliding rod (11), and the threaded mounting plate (10) is movably sleeved on the outer surface of the sliding rod (11).

4. The laser displacement sensor for water level monitoring according to claim 2, wherein: the top surface fixedly connected with battery case (12) of mount (7), the inside of battery case (12) is provided with the battery, laser displacement sensor body (3) and motor (9) all with battery electric connection.

5. The laser displacement sensor for water level monitoring according to claim 4, wherein: the solar panel (14) is fixedly arranged on the outer surface of the top of the fixing frame (7), and the solar panel (14) is electrically connected with the storage battery.

6. The laser displacement sensor for water level monitoring according to claim 1, wherein: the communication platform comprises 4G/5G wireless network equipment, and the monitoring center comprises a switch, server hardware equipment, an operating system and a database.