Fault zone fracture water pressure monitoring device

Abstract

The utility model belongs to the field of water pressure monitoring devices, and particularly relates to a fault zone fracture water pressure monitoring device. According to the technology, a first connecting pipe is connected with the water outlet end of a rock mass water outlet pipe, water pressure detection equipment is installed at the water outlet end of the first connecting pipe, and a flow guide assembly and a detection assembly are sequentially arranged between the water inlet end of the first connecting pipe and the water pressure detection equipment; the detection assembly is used for detecting water pressure at different heights. Through the arrangement of the flow guide assembly, water flow ejected after the valve on the water outlet pipe is opened can be conveniently buffered, so that the water flow passing through the water pressure detection equipment returns to normal, detection data are more accurate, and through the arrangement of the detection assembly, water pressure values of different heights can be conveniently obtained. Therefore, parameters under different working conditions can be conveniently calculated according to the water pressure values at different heights, and the permeability coefficient and the like can be further calculated.

Description

Technical Field

[0001] The utility model belongs to the field of water pressure monitoring devices, in particular to a fracture zone fissure water pressure monitoring device. Background Art

[0002] Water pressure monitoring in fracture zones plays an important role in geological disaster early warning, water resources management, water conservancy project safety assessment, geological research and scientific exploration, environmental protection and ecological restoration, as well as engineering design and construction. Fault zones are often closely related to geological disasters such as earthquakes, landslides, and mud-rock flows. Changes in water pressure can often reflect the dynamics of fault zone activities, thereby providing early warning of the occurrence of these geological disasters. By monitoring changes in water pressure in real time, the activity trend of the fault zone can be analyzed, providing a scientific basis for the prevention and response to geological disasters.

[0003] The water in the cracks of the fault zone is often connected to the groundwater system. Changes in water pressure will affect the flow and distribution of groundwater. Through water pressure monitoring, we can understand the dynamic changes of groundwater resources and provide data support for the rational development, utilization and protection of water resources.

[0004] For reservoirs and water conservancy projects, changes in water pressure in the fractures of the fault zone may have a significant impact on their safety and stability. Through water pressure monitoring, potential safety hazards of water conservancy facilities such as reservoirs and dams can be discovered and assessed in a timely manner to ensure the normal operation of the project and the safety of people's lives and property.

[0005] Water pressure monitoring is one of the important means of geological research and scientific exploration. Through long-term monitoring and analysis of water pressure in fault zone fissures, we can gain an in-depth understanding of the formation mechanism and evolution process of fault zones and their relationship with other geological phenomena. This will help promote the development of geological science and provide theoretical support for the development and utilization of geological resources.

[0006] The existing monitoring method usually involves drilling holes in the cracks of the fault zone, installing pipes for water to flow through, and installing control valves and water pressure sensors on the pipes for monitoring. However, this monitoring method can only monitor the pressure value of water when it flows horizontally, and cannot monitor the pressure value of water at different heights. In addition, due to the blocking effect of the valve, the pressure value of the water flow that rushes out at the moment the valve is opened will be too large, resulting in inaccurate monitoring data. Utility Model Content

[0007] The purpose of the utility model is to provide a fracture zone fissure water pressure monitoring device, which is convenient for monitoring water pressures at different heights and makes the monitoring data more accurate.

[0008] The fracture zone fissure water pressure monitoring device comprises a first connecting pipe connected to the water outlet end of a rock outlet pipe, a water pressure detection device is installed at the water outlet end of the first connecting pipe, and a diversion component and a detection component are arranged in sequence between the water inlet end of the first connecting pipe and the water pressure detection device. The diversion component is used to slow down the water flow rate, and the detection component is used to detect the water pressure at different heights.

[0009] Furthermore, the diversion assembly includes two three-way pipes, two horizontal pipe sections of the three-way pipes are installed on the first connecting pipe, and the third pipe openings of the three-way pipes are both facing upward, and the third pipe openings of the three-way pipes are connected to each other through the diversion pipe, and an electric ball valve is installed on the three-way pipe away from the water inlet end of the first connecting pipe, and a second control valve is arranged at the third pipe opening of the other three-way pipe, and a water level sensor is installed on the second control valve.

[0010] Further, the detection assembly includes a tee pipe 2, which is horizontally mounted on the first connecting pipe, and the third pipe opening of the tee pipe 2 faces upward, the third pipe opening of the tee pipe 2 is vertically connected to the second connecting pipe, and a plurality of detection groups for detecting water pressure values ​​are evenly mounted on the second connecting pipe from bottom to top;

[0011] The detection group includes a first control valve, a water pressure sensor is installed below the first control valve, and a third control valve for preventing water from entering is arranged at the bottom of the second connecting pipe, and the water pressure sensors are spaced one meter apart.

[0012] Furthermore, the guide tube is in a "C" shape as a whole.

[0013] Furthermore, the guide tube has an "S"-shaped structure as a whole.

[0014] Furthermore, a plurality of cross-distributed stoppers are provided in the guide tube.

[0015] Furthermore, a one-way valve is provided at one end of the flow guide tube away from the water level sensor.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The utility model, through the setting of the guide component, is convenient for buffering the water flow ejected after the valve on the water outlet pipe is opened, so that the water flow through the water pressure detection equipment returns to normal, and further makes the detection data more accurate. Through the setting of the detection component, it is convenient to obtain water pressure values ​​at different heights, so that it is convenient to calculate parameters under different working conditions according to the water pressure values ​​at different heights, and further calculate the permeability coefficient, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] The names of the components in the figure are: 1. First connecting pipe; 2. Three-way pipe one; 3. Electric ball valve; 4. Three-way pipe two; 5. Second connecting pipe; 6. Water pressure sensor; 7. First control valve; 8. Guide pipe; 9. Water level sensor; 10. Second control valve. DETAILED DESCRIPTION

[0020] The present invention is further described below through specific embodiments in conjunction with the accompanying drawings, but the present invention is not limited thereto. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

[0021] Example 1

[0022] A fracture zone fissure water pressure monitoring device described in this embodiment is as follows: Figure 1 As shown, it includes a first connecting pipe 1 connected to the water outlet end of the rock mass water outlet pipe, and a water pressure detection device is installed at the water outlet end of the first connecting pipe 1. The water pressure detection device is a prior art, and usually adopts a water pressure sensor. In actual use, it is connected to the water outlet pipe of the rock mass through the first connecting pipe 1 to detect the pressure of the water flow in the rock mass. The water outlet pipe is drilled on the rock mass during detection, and then the water outlet pipe is installed in the hole, and a valve is installed on the water outlet pipe. Then, the water pressure detection device is connected through the first connecting pipe 1 to perform horizontal water pressure detection. Because when the water outlet pipe is opened to transport the water flow in the rock mass to the first connecting pipe 1, it will spray out due to excessive pressure, resulting in inaccurate data of the water pressure detection device and the inability to perform water pressure detection at different heights. Therefore, the present application installs a diversion component and a detection component on the first connecting pipe 1;

[0023] A flow guide component and a detection component are sequentially arranged between the water inlet end of the first connecting pipe 1 and the water pressure detection equipment. The flow guide component is used to slow down the water flow rate, and the detection component is used to detect the water pressure at different heights, so that the water flow ejected after the valve on the outlet pipe is opened can be buffered by the flow guide component, so that the water flow through the water pressure detection equipment can be restored to normal, thereby making the detection data more accurate, and facilitating the acquisition of water pressure values ​​at different heights, so as to facilitate the calculation of parameters under different working conditions according to the water pressure values ​​at different heights, and then calculate the permeability coefficient, etc.

[0024] Example 2

[0025] This embodiment further illustrates the technology. Figure 1 As shown, the diversion assembly includes two tee pipes 2, the two horizontal pipe sections of the tee pipes 2 are installed on the first connecting pipe 1, and the third pipe openings of the tee pipes 2 are both facing upwards, and the third pipe openings of the tee pipes 2 are connected to each other through the diversion pipe 8, so as to block and buffer the water flow rushing out after the valve on the outlet pipe is opened, and divert it upward so that the water flow returns to a normal flow rate during the process of flowing in the diversion pipe 8;

[0026] An electric ball valve 3 is installed on the three-way pipe 2 far away from the water inlet end of the first connecting pipe 1, and a second control valve 10 is arranged at the third pipe opening of the other three-way pipe 2, and a water level sensor 9 is installed on the second control valve 10, so as to guide the water flow sprayed from the outlet pipe upward until the guide pipe 8 is filled. When the water level sensor 9 detects the water flow, it sends a signal to the background controller. After receiving the signal from the water level sensor 9, the controller controls the electric ball valve 3 and the second control valve 10 to open, so that the water flow passes through, thereby making the normal detection data of the water flow velocity through the water pressure detection device more accurate;

[0027] The electric ball valve 3, the second control valve 10, the water level sensor 9, the first control valve 7 and the third control valve are all electrically connected to the background controller. The controller is used to receive the signal of the water level sensor 9 to control the start of the second control valve 10 and the electric ball valve 3 and to control the opening and closing of the first control valve 7 and the third control valve. The background controller can be a mobile phone or a computer.

[0028] Example 3

[0029] This embodiment further illustrates the technology. Figure 1 As shown, the detection assembly includes a tee pipe 2 4, which is horizontally installed on the first connecting pipe 1, and the third pipe opening of the tee pipe 2 4 is upward, and a second connecting pipe 5 is vertically connected to the third pipe opening of the tee pipe 2 4, and a plurality of detection groups for detecting water pressure values ​​are evenly installed on the second connecting pipe 5 from bottom to top, so as to facilitate the detection of water pressure at different heights, thereby obtaining more parameters for facilitating the calculation of parameters under different working conditions;

[0030] The detection group includes a first control valve 7, a water pressure sensor 6 is installed below the first control valve 7, and a third control valve for preventing water from entering is provided at the bottom of the second connecting pipe 5. The water pressure sensors 6 are spaced one meter apart, which is convenient for obtaining the horizontal water pressure and the water pressure at different heights, and makes the parameters more valuable for reference, so as to facilitate the technicians to calculate the relevant values;

[0031] The water pressure sensor 6 and the first control valve 7 fit tightly together during installation, thereby making the detection data more accurate;

[0032] The third control valve is an electric ball valve, which is convenient for controlling the direction of water flow.

[0033] Example 4

[0034] This embodiment further illustrates the technology. Figure 1As shown, the guide tube 8 is in a "C"-shaped structure as a whole, and both ends are downwardly connected to the third pipe openings of the three-way pipe 2, so as to prevent the ejected water from quickly filling the guide tube 8, thereby making the water flow rate through the electric ball valve 3 more normal and making the monitoring data more accurate.

[0035] Example 5

[0036] This embodiment further illustrates the technology. The guide tube 8 is an "S"-shaped structure as a whole, which is convenient for slowing down the flow rate. The spiral tube can provide higher strength and stability than the straight tube, and reduce the pressure loss of the fluid in the pipeline, so that the subsequent pressure monitoring data is more accurate.

[0037] The first connecting pipe 1 may also be a spiral pipe, so as to reduce the inaccuracy of monitoring data caused by water jet when the valve at the water outlet pipe is opened.

[0038] Example 6

[0039] This embodiment further illustrates the technology. The guide pipe 8 is provided with a plurality of cross-distributed blocks, which are not shown in the figure, so as to further slow down the flow velocity of the water entering the guide pipe 8, so that the water flow during water pressure monitoring is more normal, and the water pressure monitoring data is more close to the normal state of the water flow in the fracture zone, so that the monitoring is more accurate.

[0040] Example 7

[0041] This embodiment further illustrates the technology. A one-way valve is provided at one end of the guide pipe 8 away from the water level sensor 9. The one-way valve is not shown in the figure. It is installed on the guide pipe 8 at the third pipe opening of the three-way pipe 2, which is convenient for slowing down the flow velocity of the water entering the guide pipe 8 and sending a signal to the background controller after the water level sensor 9 senses the water flow entering the guide pipe 8. After receiving the signal from the water level sensor 9, the background controller controls the electric ball valve 3 to open to allow the water to pass. While slowing down the water flow, it avoids the water flow in the guide pipe 8 from blocking the mainstream when it flows downward into the first connecting pipe 1, thereby affecting the accuracy of the water pressure detection data.

[0042] Working principle: when there is no one-way valve in the guide pipe 8, first open the valve on the outlet pipe to allow the water flow in the fracture zone to enter the first connecting pipe 1, and then slow down the water flow through the electric ball valve 3 and the guide pipe 8. When the water level sensor 9 senses the water flow, it sends a signal to the controller. After receiving the signal, the controller controls the electric ball valve 3 and the second control valve 10 to open, so that the water flow in the guide pipe 8 falls while the mainstream water flow passes through the electric ball valve 3. Then the water flow is controlled by the third control valve to monitor the horizontal pressure and the water pressure at different heights. When the water flows into the second connecting pipe 5, the height of the water flow is controlled by controlling the first control valve 7 at different heights, so that the water pressure values ​​at different heights are monitored through the water pressure sensor 6.

Claims

1. A fracture zone fissure water pressure monitoring device, comprising a first connecting pipe (1) connected to the water outlet end of a rock mass water outlet pipe, the water outlet end of the first connecting pipe (1) being equipped with a water pressure detection device, characterized in that: A flow guide component and a detection component are arranged in sequence between the water inlet end of the first connecting pipe (1) and the water pressure detection device. The flow guide component is used to slow down the flow rate of water, and the detection component is used to detect water pressure at different heights.

2. The device for monitoring fracture zone fissure water pressure according to claim 1, characterized in that: The flow guide assembly comprises two three-way pipes (2), the two horizontal pipe sections of the three-way pipes (2) are mounted on the first connecting pipe (1), and the third pipe openings of the three-way pipes (2) are both facing upwards, the third pipe openings of the three-way pipes (2) are connected to each other through a flow guide pipe (8), an electric ball valve (3) is mounted on the three-way pipe (2) away from the water inlet end of the first connecting pipe (1), a second control valve (10) is arranged at the third pipe opening of the other three-way pipe (2), and a water level sensor (9) is mounted on the second control valve (10).

3. The device for monitoring fracture zone fissure water pressure according to claim 2, characterized in that: The detection assembly comprises a second three-way pipe (4), the second three-way pipe (4) being horizontally mounted on the first connecting pipe (1), and the third pipe opening of the second three-way pipe (4) being upwardly facing, a second connecting pipe (5) being vertically connected to the third pipe opening of the second three-way pipe (4), and a plurality of detection groups for detecting water pressure values ​​being evenly mounted on the second connecting pipe (5) from bottom to top; The detection group comprises a first control valve (7), a water pressure sensor (6) is installed below the first control valve (7), and a third control valve for preventing water from entering is arranged at the bottom of the second connecting pipe (5), and the water pressure sensors (6) are spaced one meter apart.

4. The device for monitoring fracture zone fissure water pressure according to claim 3 is characterized in that: The flow guide pipe (8) is in a "C"-shaped structure as a whole.

5. The device for monitoring fracture zone fissure water pressure according to claim 3, characterized in that: The flow guide tube (8) is in an "S"-shaped structure as a whole.

6. The device for monitoring fracture zone fissure water pressure according to claim 3 or 4, characterized in that: The guide tube (8) is provided with a plurality of cross-distributed stoppers.

7. The device for monitoring fracture zone fissure water pressure according to claim 3, characterized in that: A one-way valve is provided at one end of the flow guide pipe (8) away from the water level sensor (9).

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