CN206450285U - A kind of Portable underground water monitoring device - Google Patents

Abstract

The utility model discloses a portable groundwater monitoring device, which comprises a groundwater monitoring terminal, a connecting pipe with a scale on the outer wall, a water intake device, a temperature sensor, a flow sensor and a sensor connecting line, the connecting pipe with a scale on the outer wall passes through the water intake device and is connected with the water intake The bottom plate of the device is connected with a screw, and the water intake device is cylindrical to reduce the resistance when the water intake device rotates underwater. The side wall of the water intake device is equipped with a temperature sensor, and the flow sensor is installed at the bottom of the water intake device. The flow sensor and the outer wall have a graduated connecting pipe The bottom end of the sensor is connected, the temperature sensor and the flow sensor are connected to the groundwater monitoring terminal through the sensor connection line, and the sensor connection line passes through the connecting pipe with scales on the outer wall. The water intake device is cylindrical, which reduces the resistance of the water intake device to rotate underwater, prevents the device from being rotated by the water flow, and improves the stability of the device. Each part can be disassembled and replaced, which is convenient for transportation, and also convenient for maintenance and management.

Description

A portable groundwater monitoring device

technical field

The utility model relates to a groundwater monitoring and sampling device, which belongs to the field of groundwater detection instruments

Background technique

Groundwater monitors are widely used in groundwater monitoring in hydrology, meteorology, land resources and other fields. Due to design defects and large size, the current groundwater monitors have very limited installation locations and installation methods. The current groundwater monitors are The cost is expensive, the service life is short, and it is not suitable for promotion and use. And the currently used groundwater monitoring instrument can't measure water temperature, water level, flow velocity, direction and water intake etc. in one go, which will inevitably cause secondary pollution of groundwater.

Contents of the invention

The purpose of this utility model is to provide a portable groundwater monitoring device to overcome the above-mentioned shortcomings in the prior art. The utility model has low manufacturing cost, is convenient to operate, and can complete multiple measurement indexes at one time.

The utility model includes a groundwater monitoring terminal, a connecting pipe with a scale on the outer wall, a water intake device, a temperature sensor, a flow sensor and a sensor connection line. The connecting pipe with a scale on the outer wall passes through the water intake device and is spirally connected with the bottom plate of the water intake device. The water intake device is The cylindrical shape reduces the resistance of the water intake device when it rotates underwater. The temperature sensor is installed on the side wall of the water intake device, and the flow sensor is installed at the bottom of the water intake device. The sensor is connected to the groundwater monitoring terminal through the sensor connection line, and the sensor connection line passes through the connecting pipe with graduations on the outer wall.

The connecting pipe with scale on the outer wall and the water intake device are made of corrosion-resistant materials.

The use process of the utility model:

During use, at first the weight of the utility model is weighed, utilize the buoyancy formula F=ρgv to calculate the buoyancy together, and calculate the draft h1 when the utility model floats, the utility model is connected, the outer wall has the connecting pipe of scale The zero mark should be level with the bottom of the dispenser. Slowly put the connecting pipe with scale on the outer wall into the monitoring well, read the scale h2 of the connecting pipe on the surface when the connecting pipe with scale on the outer wall is found floating, and obtain the groundwater level as h=h2-h1. Continue to slowly press the utility model into the water until the water intake device is submerged in the water, and read the data of the groundwater monitoring terminal. Rotate the connecting pipe with a scale on the outer wall, record the current flow and groundwater direction when the groundwater monitoring terminal shows the maximum flow data, and calculate the measured groundwater flow velocity. The utility model is left to stand for 5 minutes, the numerical value of the temperature sensor is read, and the groundwater temperature is recorded. Preserve groundwater samples.

The beneficial effects of the utility model:

The water intake device adopts a cylindrical design, which reduces the resistance of the water intake device to rotate underwater, prevents the device from being rotated by the water flow, and improves the stability of the device. The utility model can realize the functions of rapidly and accurately measuring the water level, temperature, flow velocity and direction of the groundwater and taking water, etc., and can greatly improve the efficiency of monitoring the groundwater.

The cost is low, the operation is simple, each part can be disassembled and replaced, which is convenient for transportation, and also convenient for maintenance and management.

The materials used in the utility model are all corrosion-resistant materials, and the possibility of secondary pollution of groundwater is reduced because the measurement of multiple indexes is completed at one time.

Description of drawings

Fig. 1 is the structural representation of the utility model.

In the figure: 1. Groundwater monitoring terminal; 2. Connecting pipe with scale on the outer wall; 3. Water intake device; 4. Temperature sensor; 5. Flow sensor; 6. Sensor connection line.

detailed description

As shown in Figure 1, the utility model includes a groundwater monitoring terminal 1, a connecting pipe 2 with a scale on the outer wall, a water intake device 3, a temperature sensor 4, a flow sensor 5 and a sensor connection line 6, and the connecting pipe 2 with a scale on the outer wall passes through the water intake The device 3 is screw connected with the bottom plate of the water intake device 3. The water intake device 3 is cylindrical, so that the resistance of the water intake device 3 when rotating underwater is reduced. The side wall of the water intake device 3 is provided with a temperature sensor 4, and the flow sensor 5 is arranged on the water intake device. 3. At the bottom, the flow sensor 5 communicates with the bottom end of the connecting pipe 2 with a scale on the outer wall. The temperature sensor 4 and the flow sensor 5 are connected to the groundwater monitoring terminal 1 through the sensor connecting line 6. The sensor connecting line 6 connects with the connecting pipe with a scale on the outer wall. 2 passed.

The material of the connecting pipe 2 with scale on the outer wall and the water intake device 3 is corrosion-resistant material.

The use process of the utility model:

During use, at first the weight of the utility model is weighed, utilize the buoyancy formula F=ρgv to calculate the buoyancy together, and calculate the draft h1 when the utility model floats, the utility model is connected, the outer wall has the connecting pipe of scale 2 The zero scale should be flush with the bottom of the water intake device 3 . Slowly put the connecting pipe 2 with scale on the outer wall into the monitoring well, read the scale h2 of the connecting pipe on the surface when the connecting pipe 2 with scale on the outer wall is found floating, and obtain the groundwater level as h=h2-h1. Continue to slowly press the utility model into the water until the water intake device 3 is submerged in the water, and read the data of the groundwater monitoring terminal 1. Rotate the connecting pipe 2 with a scale on the outer wall, record the current flow and groundwater direction when the groundwater monitoring terminal 1 indicates the maximum flow rate, and calculate the measured groundwater flow rate. The utility model is left to stand for 5 minutes, and the numerical value of the temperature sensor 4 is read, and the groundwater temperature is recorded. Preserve groundwater samples.

Claims (2)

1. A portable groundwater monitoring device, characterized in that: it comprises a groundwater monitoring terminal (1), a connecting pipe (2) with scales on the outer wall, a water intake device (3), a temperature sensor (4), a flow sensor (5) and a sensor Connecting line (6), the connecting pipe (2) that the outer wall has scale passes through water intake device (3) and is connected with the bottom plate screw of water intake device (3), and water intake device (3) is cylindrical, makes water intake device (3) in The resistance when rotating underwater is reduced, and the side wall of the water intake device (3) is provided with a temperature sensor (4), the flow sensor (5) is arranged at the bottom of the water intake device (3), and the flow sensor (5) has a connecting pipe with a scale on the outer wall ( The bottom end of 2) is connected, the temperature sensor (4) and the flow sensor (5) are connected to the groundwater monitoring terminal (1) through the sensor connection line (6), and the sensor connection line (6) is connected from the connecting pipe (2 ) passed. 2. A portable groundwater monitoring device according to claim (1), characterized in that: the connecting pipe (2) with graduations on the outer wall and the water intake device (3) are made of corrosion-resistant materials.