CN219608125U - Water-logging investigation water pumping test water bit stream detection device - Google Patents

Abstract

The utility model relates to the technical field of hydrologic investigation experiments, in particular to a water flow detection device for hydrologic investigation pumping experiments; comprising the following steps: the water level detection mechanism comprises a water level detection probe and a meter counter, the flow detection mechanism comprises a movable weir box, an ultrasonic sensor is arranged above the water flow output side of the movable weir box, the digital display assembly is an integrated panel, and an LED lamp and a display screen are arranged on the outer surface of the integrated panel of the digital display assembly. This hydrologic investigation water level flow detection device for test that draws water, water level detection probe join in marriage the design of meter ware and can the real-time recording drilling water level, and ultrasonic sensor can record the flow when rivers pass through the removal weir box, in the experimentation, the water level degree of depth and the flow of gathering can show on the display screen in real time, the experimenter only need the record the water level on the display screen with the flow can, alleviateed experimenter's the operation degree of difficulty and working strength greatly.

Description

Water-logging investigation water pumping test water bit stream detection device

Technical Field

The utility model relates to the technical field of hydrologic investigation experiments, in particular to a water flow detection device for hydrologic investigation water pumping experiments.

Background

In the hydrological test, the pumping test is a common experimental method, and can be used for measuring the characteristics of groundwater level, permeability coefficient and the like. In the pumping test, it is necessary to accurately measure the borehole water level and the extraction water flow rate in order to calculate the relevant hydrologic parameters.

The traditional method is that the water level in the borehole is recorded through a measuring rope at fixed time points (1 min, 5min, 10min, 20min, 30min, 60min, 120min and the like), and meanwhile, the pumped water flow is recorded through a water meter or a movable weir box, and during measurement, an experimenter is required to manually record the water level of the borehole and the water flow converted by the water meter or the movable weir box, and the traditional method is complicated in operation, usually requires a plurality of people to complete the recording in a matching way, and is inconvenient to use.

Accordingly, those skilled in the art have been working to develop a water flow rate detection device for hydrographic survey water pumping experiments.

Disclosure of Invention

The utility model aims to solve the technical problem that the experimenter needs to manually record test data in the background art.

In order to achieve the above object, the present utility model provides a water flow rate detection device for a water pumping test in a hydrological investigation, comprising: the intelligent water level meter comprises a water level detection mechanism, a flow detection mechanism and a digital display component used for reading, wherein the water level detection mechanism comprises a water level detection probe and a meter, the flow detection mechanism comprises a movable weir box, an ultrasonic sensor is erected above the water flow output side of the movable weir box, the digital display component is arranged on one side of the outer surface of a roller frame, the digital display component is an integrated panel, an LED lamp and a display screen are arranged on the outer surface of the integrated panel of the digital display component, and the display screen is connected with the meter and the ultrasonic sensor through Bluetooth.

The water level detection mechanism is used for detecting the water level in the drilling hole, and the flow detection mechanism is used for detecting the water flow rate during pumping. The meter counter adopts a RS485 type structure on the market, and a Bluetooth module is arranged in the meter counter. The ultrasonic sensor is of an existing STM32 type structure on the market, the ultrasonic sensor can record the water depth in the movable weir box, and the recorded water depth value can be converted into flow according to a formula to be displayed on a display screen. The recorder can read the hydrological parameters in the pumping test according to the digital display assembly. The display screen is STM32 type ultrasonic sensor accessory external member.

Preferably, the water level detection probe and the meter counter are connected through a cable, and the other end of the cable is wound on the roller frame.

The roller frame is designed for winding the cable, so that the cable drives the water level detection probe to longitudinally move, and the water level detection probe descending depth can be recorded in real time by matching with the design of the meter counter, so that the water level depth of underground water in a drilled hole is recorded.

Preferably, the water level detection probe comprises a shell, wherein a floating ball is sleeved on the upper portion of the outer surface of the shell, a filter screen is preset on the left side and the right side of the lower portion of the outer surface of the shell, the water level detection probe further comprises a connecting pipe, the connecting pipe is vertically arranged inside the shell, the tail end of the connecting pipe extends to the outside through a through hole preset in the lower end face of the shell, and two probes are installed on the tail end of the connecting pipe and one side of the outer surface of the connecting pipe.

The design of floater makes the casing float on the surface of water, and the design of filter screen can play the filtration to the groundwater in the drilling, avoids silt in the drilling to enter into inside the casing along with the moisture, and the design of probe is used for surveying the water level of groundwater in the drilling.

Preferably, the probe is electrically connected with the LED lamp.

When the probe contacts with underground water in the drill hole, a loop is formed, so that the LED lamp is lightened.

Preferably, the energy dissipation plates are arranged in the water flow input side of the movable weir box, and two energy dissipation plates are arranged in parallel on the left side and the right side of each energy dissipation plate.

Energy dissipation holes for water flow circulation are preset on the outer surface of the energy dissipation plate at equal intervals, so that the purpose of dissipating energy of water flow is achieved.

Preferably, a weir plate is arranged at the tail end of the water flow output side of the movable weir box, and the shape of the weir plate is a triangular structure.

The triangular weir plate is suitable for small flow measurement with higher precision. And when the water flow measurement in the movable weir box is completed, the water flows to the outside through the weir plate.

The beneficial effects of the utility model are as follows:

when the water level measuring device is used, the design of the water level measuring probe matched with the meter counting device can record the drilling water level in real time, the ultrasonic sensor can record the flow rate when water flows through the movable weir box, the collected water level depth and flow rate can be displayed on the display screen in real time in the experimental process, and an experimenter only needs to record the water level and the flow rate on the display screen, so that the operation difficulty and the working strength of the experimenter are greatly reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a schematic diagram showing the front view of a water level detecting probe according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a three-dimensional structure of a movable weir box according to an embodiment of the present utility model;

fig. 4 is a flow chart of a water level detection circuit according to an embodiment of the present utility model.

Part name

1. A water level detection probe; 101. a housing; 102. a floating ball; 103. a filter screen; 104. a connecting pipe; 105. a probe; 2. a meter counter; 3. a cable; 4. a roller frame; 5. moving a weir box; 501. an energy dissipation plate; 502. a weir plate; 6. an ultrasonic sensor; 7. a digital display component; 701. an LED lamp; 702. and a display screen.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 4, the present utility model provides a water flow rate detection device for a water pumping test in a hydrological investigation, comprising: the water level detection mechanism comprises a water level detection probe 1 and a meter 2, the flow detection mechanism comprises a movable weir box 5, an ultrasonic sensor 6 is erected above the water flow output side of the movable weir box 5, the digital display assembly 7 is arranged on one side of the outer surface of a roller frame 4, the digital display assembly 7 is an integrated panel, an LED lamp 701 and a display screen 702 are arranged on the outer surface of the integrated panel of the digital display assembly 7, and the display screen 702 is connected with the meter 2 and the ultrasonic sensor 6 through Bluetooth;

in this embodiment, as shown in fig. 1, when the water level detection probe 1 moves downward in an external borehole, the design of the meter 2 can record the descending depth of the water level detection probe 1 in real time, and when the water level detection probe 1 detects the groundwater in the borehole, the water level depth of the groundwater in the borehole is recorded, so that the water level detection mechanism achieves the purpose of water level depth detection in the borehole. When the water depth detection is completed, the underground water in the drilled hole can be pumped out to a preset canal by using an external water pump, before pumping, a movable weir box 5 is placed at the tail end of the preset canal, when the water flow in the canal flows into the movable weir box 5, the ultrasonic sensor 6 can record the water depth in the movable weir box 5, and the water flow is calculated according to a formula through the recorded water depth, so that the flow detection mechanism can realize the detection of the water flow. In the detection process of water level depth and water flow, data obtained by detection can be transmitted to the display screen 702 on the digital display assembly 7 through Bluetooth, and an experimenter only needs to record the water level and the flow on the display screen 702, so that the operation difficulty and the working strength of the experimenter are greatly reduced.

Further, the water level detection probe 1 and the meter 2 are connected through a cable 3, the other end of the cable 3 is wound on the roller frame 4, the water level detection probe 1 comprises a shell 101, a floating ball 102 is sleeved on the upper part of the outer surface of the shell 101, a filter screen 103 is preset on the left side and the right side of the lower part of the outer surface of the shell 101, the water level detection probe 1 further comprises a connecting pipe 104, the connecting pipe 104 is vertically arranged inside the shell 101, the tail end of the connecting pipe 104 extends to the outside through a through hole preset on the lower end surface of the shell 101, two probes 105 are arranged at the tail end of the connecting pipe 104 and on one side of the outer surface of the connecting pipe 104, and the probes 105 are electrically connected with the LED lamp 701;

in this embodiment, as shown in fig. 2 and 4, before measuring the depth of the water level in the borehole, firstly, the roller frame 4 and the meter 2 are placed at one side of the upper end of the borehole, and meanwhile, the water level detection probe 1 is placed in the borehole outside, and secondly, by shaking the roller frame 4, the roller frame 4 gradually drives the water level detection probe 1 to move downwards through the cable 3, the design of the meter 2 can record the descending depth of the water level detection probe 1 in real time, when the water level detection probe 1 contacts with the groundwater in the borehole, the probe 105 at the tail end of the connecting pipe 104 contacts with moisture to form a loop, and meanwhile, the water in the borehole enters the inside of the shell 101 through the filter screen 103 to contact with the probe 105 at the outer surface of the connecting pipe 104 to form a loop, and when the two probes 105 keep the loop with the water surface, the LED lamp 701 can keep in a bright state all the time, so that a prompt function can be played for an experimenter. When the initial groundwater depth in the borehole is detected, a worker can gradually pump the groundwater in the borehole into an external canal by using a water pump, and the shell 101 can always float on the water surface due to the design of the floating ball 102, so that the water level detection probe 1 descends along with the descent of the groundwater level, and the groundwater level depth in the borehole is completely detected.

Further, an energy dissipation plate 501 is installed in the water flow input side of the movable weir box 5, two energy dissipation plates 501 are arranged in parallel on the left side and the right side, a weir plate 502 is installed at the tail end of the water flow output side of the movable weir box 5, and the shape of the weir plate 502 is a triangular structure;

in the present embodiment, as shown in fig. 3, when groundwater pumped out from an external canal flows into the movable weir box 5, firstly, energy is dissipated to the water flow by the energy dissipation plate 501, secondly, the water depth in the movable weir box 5 is recorded by the ultrasonic sensor 6, and finally, the water flows to the outside through the weir plate 502.

The above disclosure is only a preferred embodiment of the present utility model, and it should be understood that the scope of the utility model is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present utility model.

Claims (6)

1. A hydrologic survey water pump test water bit stream detection device, comprising: the intelligent water level measuring device is characterized in that the water level measuring device comprises a water level measuring probe (1) and a meter counter (2), the flow measuring device comprises a movable weir box (5), an ultrasonic sensor (6) is arranged above the water flow output side of the movable weir box (5), the digital display component (7) is arranged on one side of the outer surface of a roller frame (4), the digital display component (7) is an integrated panel, an LED lamp (701) and a display screen (702) are arranged on the outer surface of the integrated panel of the digital display component (7), and the display screen (702) is connected with the meter counter (2) and the ultrasonic sensor (6) through Bluetooth.

2. The water flow detection device for the hydrological investigation water pumping test according to claim 1, wherein the water level detection probe (1) is connected with the meter (2) through a cable (3), and the other end of the cable (3) is wound on the roller frame (4).

3. The water flow rate detection device for the hydrologic investigation water pumping test according to claim 1, wherein the water level detection probe (1) comprises a shell (101), a floating ball (102) is sleeved on the upper portion of the outer surface of the shell (101), a filter screen (103) is preset on the left side and the right side of the lower portion of the outer surface of the shell (101), the water level detection probe (1) further comprises a connecting pipe (104), the connecting pipe (104) is vertically arranged inside the shell (101), the tail end of the connecting pipe (104) extends to the outside through a through hole preset in the lower end face of the shell (101), and two probes (105) are installed on the tail end of the connecting pipe (104) and one side of the outer surface of the connecting pipe (104).

4. A water flow rate detection device for a water pumping test for a hydrographic survey according to claim 3, wherein the probe (105) is electrically connected to the LED lamp (701).

5. The water flow rate detection device for the hydrological investigation water pumping test according to claim 1, wherein the energy dissipation plates (501) are arranged in the water flow input side of the movable weir box (5), and two energy dissipation plates (501) are arranged in parallel on the left side and the right side.

6. The water flow rate detection device for the hydrological investigation pumping test according to claim 1, wherein a weir plate (502) is arranged at the tail end of the water flow output side of the movable weir box (5), and the shape of the weir plate (502) is a triangular structure.