Automatic monitoring method and system for underground water of surface mine

Abstract

The invention relates to the field of mine underground water monitoring, in particular to an automatic surface mine underground water monitoring system which comprises an upper computer, a monitoring host and a plurality of underground water monitoring devices, each underground water monitoring device comprises a mounting plate, a shell and a water level detection assembly, and each water level detection assembly comprises a reel, a traction rope and monitoring equipment. The monitoring equipment comprises a programmable PLC, a wireless signal receiver, a waterproof shell and a frame body, a detection head is arranged at the bottom of the driving frame, a detection assembly is arranged in the detection head, and a weight head is arranged at the bottom of the detection head. The detection assembly comprises a water depth sensor used for detecting the water depth. And the water quality parameter detection unit is used for detecting water quality information. The invention provides an automatic monitoring method and system for underground water of a surface mine, which are used for solving the problems of small measurement range and incomplete measurement data.

Description

Technical Field

[0001] The present invention relates to the technical field of mine groundwater monitoring, and in particular to an open-pit mine groundwater automatic monitoring method and system. Background Art

[0002] Open-pit mines refer to mines exposed on the surface. Their mining methods are relatively simple, but the groundwater layer is often interrupted during mining, causing the groundwater level to drop, which in turn affects the stability and ecological environment of the mine. Therefore, monitoring the groundwater level in open-pit mines is crucial for mine safety and environmental protection.

[0003] In the existing technology, only the groundwater level is usually detected to evaluate the impact of mining activities on the groundwater level and prevent ecological problems caused by the decline of the groundwater level. However, the existing monitoring equipment and systems may not fully adapt to the special environment and needs of open-pit mines, especially in terms of automation, comprehensiveness of monitoring parameters, measurement range and accuracy. For example, some equipment may only monitor water levels but cannot fully monitor water quality parameters. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides an open-pit mine groundwater automatic monitoring method and system, which are used to solve the problems of small measurement range and incomplete measurement data.

[0005] In the present application, an open-pit mine groundwater automatic monitoring system is provided, comprising:

[0006] A host computer, a monitoring host and a plurality of groundwater monitoring devices, wherein the host computer and the monitoring host are connected to each other via a TCP / IP Ethernet interface, and the monitoring host and the groundwater monitoring devices are connected to each other via a TCP / IP Ethernet interface;

[0007] The groundwater monitoring device comprises: a mounting plate, and a shell fixedly arranged on one side of the mounting plate, the shell is provided with a water level detection assembly, the water level detection assembly comprises a winding wheel rotatably arranged in the shell, a traction rope is wound around the outer circumference of the winding wheel, and a monitoring device is also arranged at one end of the traction rope, and the monitoring device comprises:

[0008] A programmable PLC controller and a wireless signal receiver are arranged in the housing to collect and organize water level signals and water quality information;

[0009] A waterproof shell is installed at the bottom of the free end of the traction rope and a frame connected to the bottom of the waterproof shell. The waterproof shell is provided with a driving frame on the bottom of the frame. A detection head is arranged at the bottom of the driving frame. A detection hole is opened on the surface of the detection head. A detection component is arranged inside the detection head. A weight head is arranged at the bottom of the detection head.

[0010] Preferably: a power assembly for driving the detection head to move downward is provided on the frame, a battery for power supply is provided in the waterproof shell, the power assembly includes a propeller rotatably arranged on the frame and a second motor for driving the propeller to rotate and move vertically downward, and the second motor is a submersible motor, or the exterior is waterproof.

[0011] In a preferred embodiment, a plurality of housings and corresponding monitoring devices are arranged on a group of the mounting plates to detect different water depths at the same location.

[0012] Preferably: the winding wheel is provided with a driving assembly on one side of the shell, and the driving assembly includes a motor 1, a worm and a worm wheel, the motor 1 is arranged on the top side of the shell, the worm is vertically rotatable in the shell, the worm is connected to the output shaft of the motor 1, the winding wheel is horizontally rotatable on the inner wall of the shell through the rotating shaft, the traction rope is wound around the outer circumference of the winding wheel, and limit members are provided on both sides of the winding wheel, the worm wheel is coaxially connected to one side of the rotating shaft, the worm is meshed with the worm wheel, the output shaft of the motor 1 drives the worm to rotate, the meshing of the worm drives the worm wheel to rotate, and the worm wheel drives the coaxial winding wheel to rotate, and the forward and reverse rotation of the motor 1 realizes the winding / releasing of the traction rope, thereby adjusting according to the groundwater depth.

[0013] In the preferred embodiment: the detection component includes:

[0014] Depth sensors for detecting water depth;

[0015] A water quality parameter detection unit for detecting water quality information; used to detect the water quality information of the groundwater, so as to comprehensively evaluate the impact of open-pit mine activities on the groundwater environment;

[0016] A wireless signal transmitter for receiving and sending signals, wherein the wireless signal transmitter is used to transmit signals from a water depth sensor and a water quality parameter detection unit, and the wireless signal transmitter matches the wireless signal of a wireless signal receiver in a shell to perform a wireless signal transmission connection.

[0017] Preferably: the water quality parameter detection unit comprises:

[0018] pH sensors for measuring pH values ​​are used to monitor the acidity and alkalinity of water bodies to ensure that groundwater is not contaminated by acidic or alkaline substances;

[0019] Conductivity sensors used to measure conductivity, which reflects the content of dissolved solids in water and indirectly indicates the cleanliness of water quality;

[0020] Dissolved oxygen sensors used to measure dissolved oxygen are used to monitor the concentration of dissolved oxygen in water and evaluate the self-purification capacity of water bodies and the living conditions of organisms;

[0021] Electrochemical mercury sensors used to measure the content of heavy metal mercury are used to monitor mercury concentration and prevent heavy metal pollution caused by mining activities. Alternatively, bio-enzyme sensors are used to combine enzyme reaction specificity with electrochemical signal conduction to achieve heavy metal detection.

[0022] Preferably, the monitoring host includes a processor, a memory and a cloud server, and the monitoring host also includes an input / output interface and a network interface. The monitoring host uses a wireless network as a communication platform, and the cloud server provides a water level alarm system, which regularly receives water level data transmitted by a water level monitoring device. When the detected data reaches a warning value, the information sent is received by the water level alarm system.

[0023] Technical effects and advantages of the present invention:

[0024] 1. Set up multiple sets of mounting plates to solve the problem of small measurement range. Through the setting of multiple sets of groundwater monitoring devices, it is used to detect different water depths at the same location. Multiple sets of parameter detection at different depths at approximate locations are realized, and combined with the detection of water depth and water quality, the impact of open-pit mining activities on the groundwater environment can be comprehensively evaluated.

[0025] 2. Use the settings of motor 1 and motor 2 to drive the traction rope and the detection head respectively, provide automated operation methods for detection work, and reduce manual participation.

[0026] 3. By using the cloud server and storage settings, not only can the water depth and water quality information be stored, but also the online monitoring and early warning functions can be realized, and the reminder alarm function can be provided. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the system composition of an open-pit mine groundwater automatic monitoring system provided by an embodiment of the present application;

[0028] Figure 2 This is a schematic diagram of the monitoring components of an open-pit mine groundwater automatic monitoring system provided by this embodiment;

[0029] Figure 3 It is a schematic diagram of the structure of the groundwater monitoring device in this application;

[0030] Figure 4 It is a schematic diagram of the internal structure of the groundwater monitoring device in this application;

[0031] In the figure:

[0032] 1. Host computer, 2. Monitoring host, 3. Groundwater monitoring device, 4. Mounting plate, 5. Shell, 6. Water level detection component, 7. Winding wheel, 8. Traction rope, 9. Monitoring equipment, 10. Programmable PLC controller, 11. Wireless signal receiver, 12. Waterproof shell, 13. Frame, 14. Drive frame, 15. Detection head, 16. Detection component, 17. Weight head, 18. Power component, 19. Battery, 20. Propeller, 21. Motor 2, 22. Drive component, 23. Motor 1, 24. Worm, 25. Worm gear, 26. Water depth sensor, 27. Water quality parameter detection unit, 28. Wireless signal transmitter, 29. pH sensor, 30. Conductivity sensor, 31. Dissolved oxygen sensor, 32. Electrochemical mercury sensor;

[0033] 201. Processor, 202. Memory, 203. Water level alarm system, 204. Cloud server. DETAILED DESCRIPTION

[0034] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

[0035] Example 1

[0036] See also Figures 1 to 4 In this embodiment, an open-pit mine groundwater automatic monitoring system is provided, including:

[0037] The host computer 1, the monitoring host 2 and the multiple groundwater monitoring devices 3 are connected to each other through a TCP / IP Ethernet interface, and the monitoring host 2 and the groundwater monitoring devices 3 are connected to each other through a TCP / IP Ethernet interface. Among them, multiple groups of shells 5 and corresponding monitoring devices 9 are set on a group of the mounting plates 4 to detect different water depths at the same location. Multiple groups of mounting plates 4 can be distributed to expand the detection range.

[0038] like Figure 3 As shown, the groundwater monitoring device 3 includes: a mounting plate 4, and a shell 5 fixed on one side of the mounting plate 4, the shell 5 is provided with a water level detection component 6, the water level detection component 6 includes a winding wheel 7 rotatably arranged in the shell 5, a traction rope 8 is wound around the outer periphery of the winding wheel 7, and a monitoring device 9 is also provided at one end of the traction rope 8.

[0039] The monitoring device 9 comprises:

[0040] A programmable PLC controller 10 and a wireless signal receiver 11 are arranged in the housing 5 and are used to collect and organize water level signals and water quality information;

[0041] A waterproof shell 12 is installed at the bottom of the free end of the traction rope 8, and a frame 13 connected to the bottom of the waterproof shell 12. The waterproof shell 12 is provided with a driving frame 14 at the bottom of the frame 13. A detection head 15 is arranged at the bottom of the driving frame 14. A detection hole is opened on the surface of the detection head 15. A detection component 16 is arranged inside the detection head 15. A weight head 17 is arranged at the bottom of the detection head 15.

[0042] refer to Figure 2 and Figure 4 As shown, the detection component 16 includes:

[0043] A water depth sensor 26 for detecting water depth;

[0044] A water quality parameter detection unit 27 for detecting water quality information; used to detect the water quality information of the groundwater, so as to comprehensively evaluate the impact of open-pit mine activities on the groundwater environment;

[0045] A wireless signal transmitter 28 for receiving and sending signals, wherein the wireless signal transmitter 28 is used to transmit signals from the water depth sensor 26 and the water quality parameter detection unit 27, and the wireless signal transmitter 28 matches the wireless signal of the wireless signal receiver 11 in the housing 5 to perform a wireless signal transmission connection.

[0046] Wherein, the water quality parameter detection unit 27 includes:

[0047] pH sensor 29 for measuring pH value, used to monitor the acidity and alkalinity of water bodies to ensure that groundwater is not contaminated by acidic or alkaline substances;

[0048] A conductivity sensor 30 for measuring conductivity, which is used to reflect the content of dissolved solids in water and indirectly indicate the cleanliness of water quality;

[0049] A dissolved oxygen sensor 31 for measuring dissolved oxygen, used to monitor the concentration of dissolved oxygen in water and evaluate the self-purification capacity of the water body and the living conditions of organisms;

[0050] The electrochemical mercury sensor 32 for measuring the content of heavy metal mercury is used to monitor the concentration of mercury and prevent heavy metal pollution caused by mining activities, or a bio-enzyme sensor is used to combine the enzyme reaction specificity with electrochemical signal conduction to achieve the detection of heavy metals.

[0051] In order to achieve the effect of automated detection, a power assembly 18 for driving the detection head 15 to move downward is provided on the frame 13, and a battery 19 for power supply is provided in the waterproof shell 12. The power assembly 18 includes a propeller 20 rotatably arranged on the frame 13 and a motor 21 for driving the propeller 20 to rotate and move vertically downward. The motor 21 adopts a submersible motor, or has a waterproof design on the outside.

[0052] At the same time, a driving assembly 22 is provided on one side of the winding wheel 7 relative to the shell 5, and the driving assembly 22 includes a motor 23, a worm 24 and a worm wheel 25. The motor 23 is provided on one side of the top of the shell 5, and the worm 24 is vertically rotatable in the shell 5. The worm 24 is connected to the output shaft of the motor 23, and the winding wheel 7 is horizontally rotatable on the inner wall of the shell 5 through the rotating shaft. The traction rope 8 is wound around the outer periphery of the winding wheel 7, and limit members are provided on both sides of the winding wheel 7. The worm wheel 25 is coaxially connected to one side of the rotating shaft, and the worm 24 is meshed with the worm wheel 25. The rotation of the output shaft of the motor 23 drives the worm 24 to rotate, and the meshing of the worm 24 drives the worm wheel 25 to rotate. The worm wheel 25 drives the coaxial winding wheel 7 to rotate, and the forward and reverse rotation of the motor 23 realizes the winding / releasing work of the traction rope 8, thereby adjusting according to the groundwater depth.

[0053] As an example to further illustrate:

[0054] The monitoring host 2 includes a processor 201, a memory 202 and a cloud server 204. The monitoring host 2 also includes an input and output interface and a network interface. The monitoring host 2 uses a wireless network as a communication platform. The cloud server 204 provides a water level alarm system 203, which regularly receives water level data transmitted by a water level monitoring device. When the detected data reaches a warning value, the information sent is received by the water level alarm system 203.

[0055] Example 2

[0056] This embodiment also discloses a monitoring method based on an open-pit mine groundwater automatic monitoring system, comprising the following steps:

[0057] Step S1: fix the groundwater monitoring device 3 at different positions of the groundwater to be tested in the open-pit mine through the mounting plate 4. Each set of mounting plates 4 can be fixed with 2-3 sets of groundwater monitoring devices 3, with a spacing of 50 cm, to achieve parameter detection at different depths at approximate positions;

[0058] Step S2: The propeller 20 is driven to rotate by the motor 21, and the propeller 20 rotates to drive the detection head 15 to move vertically downward. At the same time, the motor 1 23 works, and the output shaft of the motor 1 23 rotates to drive the worm 24 to rotate. The worm 24 meshes and drives the worm wheel 25 to rotate. The worm wheel 25 drives the coaxial winding wheel 7 to rotate, so as to realize the release of the traction rope 8, thereby adjusting the release length according to the groundwater depth;

[0059] Step S3: using the water depth sensor 26 to detect the water depth, and using the water quality parameter detection unit 27 to detect the water quality information of the groundwater, so as to comprehensively evaluate the impact of the open-pit mine activities on the groundwater;

[0060] Step S4: The signal data of the water depth sensor 26 and the water quality parameter detection unit 27 are transmitted through the wireless signal transmitter 28. The wireless signal receiver 11 in the shell 5 matches the wireless signal transmitter to perform wireless signal transmission connection. The monitoring host 2 uses the wireless network as a communication platform. The cloud server 204 provides a water level alarm system 203, which regularly receives the water level data transmitted by the water level monitoring device. When the detected data reaches the warning value, the sent information is received by the water level alarm system 203 to achieve monitoring and early warning.

[0061] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. An open-pit mine groundwater automatic monitoring system, comprising a host computer (1) and a monitoring host computer (2), characterized in that: It also includes a plurality of groundwater monitoring devices (3), wherein the host computer (1) and the monitoring host (2) are interconnected via a TCP / IP Ethernet interface, and the monitoring host (2) and the groundwater monitoring device (3) are interconnected via a TCP / IP Ethernet interface; the groundwater monitoring device (3) includes: a mounting plate (4), and a shell (5) fixedly arranged on one side of the mounting plate (4), the shell (5) being provided with a water level detection component (6), the water level detection component (6) including a winding wheel (7) rotatably arranged in the shell (5), a traction rope (8) being wound around the outer periphery of the winding wheel (7), and a monitoring device (9) being provided at one end of the traction rope (8); The monitoring device (9) comprises: a programmable PLC controller (10) and a wireless signal receiver (11) arranged in a housing (5) for collecting and collating water level signals and water quality information; a waterproof shell (12) installed at the bottom of the free end of the traction rope (8) and a frame (13) connected to the bottom of the waterproof shell (12); the waterproof shell (12) is provided with a driving frame (14) at the bottom of the frame (13); a detection head (15) is provided at the bottom of the driving frame (14); a detection hole is opened on the surface of the detection head (15); and a detection component (16) is provided inside the detection head (15).

2. The open-pit mine groundwater automatic monitoring system according to claim 1 is characterized in that: The detection component (16) comprises: A water depth sensor (26) for detecting water depth; A water quality parameter detection unit (27) for detecting water quality information; used for detecting the water quality information of the groundwater, so as to comprehensively evaluate the impact of open-pit mine activities on the groundwater environment; A wireless signal transmitter (28) for receiving and transmitting signals, the wireless signal transmitter (28) being used to transmit signals from a water depth sensor (26) and a water quality parameter detection unit (27), the wireless signal transmitter (28) matching with a wireless signal transmitter of a wireless signal receiver (11) in a housing (5) to establish a wireless signal transmission connection.

3. The open-pit mine groundwater automatic monitoring system according to claim 2 is characterized in that: A weight head (17) is provided at the bottom of the detection head (15), and a power assembly (18) for driving the detection head (15) to move downward is provided on the frame (13). The power assembly (18) includes a propeller (20) rotatably arranged on the frame (13) and a motor (21) for driving the propeller (20) to rotate and move vertically downward.

4. The open-pit mine groundwater automatic monitoring system according to claim 3 is characterized in that: The winding wheel (7) is provided with a driving assembly (22) on one side of the housing (5), and the driving assembly (22) comprises a motor (23), a worm (24) and a worm wheel (25). The motor (23) is provided on one side of the top of the housing (5), the worm (24) is vertically rotatably provided in the housing (5), the worm (24) is connected to the output shaft of the motor (23), the winding wheel (7) is horizontally rotatably provided on the inner wall of the housing (5) via a rotating shaft, the traction rope (8) is wound around the outer periphery of the winding wheel (7), and stoppers are provided on both sides of the winding wheel (7), the worm wheel (25) is coaxially connected to one side of the rotating shaft, and the worm (24) is meshed with the worm wheel (25).

5. The open-pit mine groundwater automatic monitoring system according to claim 4, characterized in that: The monitoring host (2) comprises a processor (201), a memory (202) and a cloud server (204). The monitoring host (2) also comprises an input / output interface and a network interface. The monitoring host (2) uses a wireless network as a communication platform. The cloud server (204) provides a water level alarm system (203) which regularly receives water level data transmitted by a water level monitoring device. When the detected data reaches a warning value, the information is sent and received by the water level alarm system (203).

6. The open-pit mine groundwater automatic monitoring system according to claim 5, characterized in that: A battery (19) for power supply is arranged in the waterproof shell (12), and the second motor (21) is a submersible motor.

7. The open-pit mine groundwater automatic monitoring system according to claim 6, characterized in that: A plurality of housings (5) and corresponding monitoring equipment (9) are arranged on a group of the mounting plates (4) for detecting different water depths at the same location.

8. A method for monitoring groundwater automatic monitoring system in an open-pit mine according to any one of claims 1 to 7, characterized in that: The following steps are involved: Step S1: fix the groundwater monitoring device (3) at different positions of the groundwater to be tested in the open-pit mine through the mounting plate (4), and 2-3 groups of groundwater monitoring devices (3) can be fixed on each group of mounting plates (4) with a spacing of 50 cm, so as to realize parameter detection at different depths at approximate positions; Step S2: The propeller (20) is driven to rotate by the motor 2 (21), and the propeller (20) rotates to drive the detection head (15) to move vertically downward. At the same time, the motor 1 (23) works, and the output shaft of the motor 1 (23) rotates to drive the worm (24) to rotate. The worm (24) meshes to drive the worm wheel (25) to rotate. The worm wheel (25) drives the coaxial winding wheel (7) to rotate, thereby realizing the line-release work of the traction rope (8), thereby adjusting the line-release length according to the groundwater depth; Step S3: using the water depth sensor (26) to detect the water depth, and using the water quality parameter detection unit (27) to detect the water quality information of the groundwater, so as to comprehensively evaluate the impact of the open-pit mine activities on the groundwater; Step S4: The signal data of the water depth sensor (26) and the water quality parameter detection unit (27) are transmitted through the wireless signal transmitter (28), the wireless signal receiver (11) in the housing (5) matches the wireless signal transmitter, and a signal wireless transmission connection is performed. The monitoring host (2) uses the wireless network as a communication platform, and the cloud server (204) provides a water level alarm system (203), which regularly receives the water level data transmitted by the water level monitoring device. When the detected data reaches the warning value, the sent information is received by the water level alarm system (203), thereby realizing monitoring and early warning.

Images