CN111624053A

CN111624053A - Automatic surface runoff sampler catchments

Info

Publication number: CN111624053A
Application number: CN202010701573.2A
Authority: CN
Inventors: 顾昕; 杨洁; 王新富; 周晓芳; 高良敏
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2020-09-04

Abstract

The invention relates to an automatic water collection surface runoff sampler which is combined with the existing sensing device on the basis of the traditional surface runoff barrel, can realize real-time display of water level, pH and temperature and provides basic data for non-point source pollution research. The automatic water-collecting surface runoff sampler consists of a sampling chamber, a rechargeable multi-parameter sensor, a probe, a collecting barrel, a bracket and a guide pipe; grids are arranged around the sampling chamber, and the rechargeable multi-parameter sensor is arranged in the sampling chamber; the lower part of the sampling chamber is connected with a collecting barrel, and the sensor is connected with a probe and extends into the bottom of the water collecting chamber; the tail part of the flow collecting barrel is provided with a flow guide pipe and a bracket.

Description

Automatic surface runoff sampler catchments

Technical Field

The invention relates to the field of environmental monitoring, in particular to a multi-parameter automatic surface runoff acquisition device.

Background

China is a big country for agricultural production, but with the increasing population and the gradual reduction of the cultivated land area, the use of crop planting fertilizers and pesticides by people increases year by year, the agricultural wastes and the livestock manure also increase obviously, and the problem of agricultural non-point source is aggravated. Surface runoff is formed on the surface of soil along with the erosion of rainwater, and the formation and the flow of the surface runoff can erode the soil and carry a large amount of silt and pollutants to flow into a nearby water area to pollute the water area. The soil fertility is reduced, and meanwhile, the water eutrophication is more serious, so that the water quality is deteriorated. In the coming decades, rural areas in China will be in the high-speed growth of non-point source pollution, although the national institute clearly points out that non-point source pollution control is carried out nationwide, and non-point source comprehensive control measures are formulated and implemented in 'ten pieces of water' promulgated in 2015, the current non-point source pollution form still seriously studies the generation mechanism and migration of the non-point source pollution.

Surface runoff caused by rainfall is an important process of agricultural non-point source pollution. Total nitrogen, total phosphorus and ammonia nitrogen in the farmland can migrate into rivers and lakes along with surface runoff so as to cause water eutrophication. Therefore, researchers at home and abroad pay great attention to the monitoring of surface runoff. At present, most of domestic surface runoff water samples need manual on-site collection and monitoring, and the method is time-consuming and labor-consuming. And the uncertainty of rainfall and the remote location of the collection place make manual collection harder.

Although the surface runoff water sample collector disclosed by the invention can automatically collect water samples with different water levels according to the rise of the surface runoff water level, the surface runoff water sample collector is difficult to carry and is not suitable for field collection and multipoint collection. The multi-parameter surface runoff sampling and measuring device disclosed by the invention can automatically acquire and monitor runoff pollutants in real time, but is difficult to carry and cannot store the monitored data, so that the long-term monitoring is not facilitated.

Therefore, it is very important to design a surface runoff water sample collector which is convenient to carry, can monitor various parameters, can store data and can last for a long time.

Disclosure of Invention

The invention aims to provide an automatic water-collecting surface runoff sampler; the sampler can realize real-time display of water level, pH and temperature by combining the existing sensing device on the basis of the traditional surface runoff barrel, and provides basic data for non-point source pollution research. In addition, a flow guide pipe is arranged in the device, and water can be automatically discharged by touching the LED display screen after water collection is finished.

The invention adopts the following technical scheme for realizing the purpose:

the invention provides an automatic water-collecting surface runoff sampler, which consists of a sampling chamber, a rechargeable multi-parameter sensor, a probe, a water collecting chamber, a bracket and a flow guide pipe, wherein the sampling chamber is connected with the rechargeable multi-parameter sensor; grids are arranged around the sampling chamber, and the rechargeable multi-parameter sensor is arranged in the sampling chamber; the lower part of the sampling chamber is connected with a water collecting chamber, and the rechargeable multi-parameter sensor is connected with a probe and extends into the bottom of the water collecting chamber; the tail part of the water collecting chamber is provided with a guide pipe and a bracket.

Preferably, the grid of the sampling chamber provided by the invention can intercept substances which are not required to be collected, such as big branches, leaves and the like carried by surface runoff;

preferably, the multi-parameter sensor provided by the invention is provided with a storage battery to realize independent operation;

preferably, the LED panel is arranged on the upper part of the multi-parameter sensor, so that the water level, the pH value and the temperature can be displayed in real time;

preferably, the guide pipe provided by the invention is provided with a water blocking cover, is connected with the sensor and can control the water flow to be discharged outside through the panel.

Compared with the prior art, the invention has the beneficial effects that:

the automatic water collection surface runoff sampler provided by the invention is provided with a rechargeable multi-parameter sensor, and can display water level, pH and temperature in real time while realizing field independent operation; the sampler is designed with grids, so that the surface runoff is prevented from carrying large branches, leaves and other substances which do not need to be sampled while water is collected; the guide pipe at the tail part of the device is provided with a water blocking cover which is connected with the sensor, and the water flow can be controlled to be discharged outside through the panel.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of an automatic catchment surface flow sampler provided by the present invention;

FIG. 2 is a schematic structural view of a preferred embodiment of the internal structure of the automatic catchment surface flow sampler provided by the present invention;

fig. 3 is a schematic structural diagram of a preferred embodiment of the internal sensor of the automatic water-collecting surface flow sampler provided by the invention.

Description of reference numerals:

1. grid 2 charging type multi-parameter sensor

3. Water collecting chamber 4. probe extension rod

5. Support 6. probe

7. Flow guide pipe 8.LED display screen

9. Sampling chamber

Detailed Description

The invention or inventions are further illustrated by the following specific examples.

As shown in fig. 1-3, the invention provides an automatic water-collecting surface runoff sampler, which comprises a sampling chamber 9, a rechargeable multi-parameter sensor 2, a probe 6, a water-collecting chamber 3, a bracket 5 and a flow guide pipe 7; the grid 1 is arranged around the sampling chamber, and the charging type multi-parameter sensor 2 is arranged in the sampling chamber 9; the lower part of the sampling chamber 9 is connected with the water collecting chamber 3, and the rechargeable multi-parameter sensor 2 is connected with the probe 6 and extends into the bottom of the water collecting chamber 3; the tail part of the water collecting chamber 3 is provided with a guide pipe 7 and a bracket 5.

Before the sampling is ready, the storage battery equipped with the multi-parameter sensor is fully filled, and the sampling chamber 9, the water collecting chamber 3 and the bracket 5 are assembled. During sampling, the automatic water collection surface runoff sampler is buried underground, the surface of the earth is flush with the bottom of the sampling chamber 9, and the grids are exposed outside to collect runoff rainwater. When surface runoff is generated, the grids 1 can intercept non-sampling substances such as branches and leaves, runoff rainwater flows into the sampling chamber 9 and enters the bottom of the water collecting chamber 3 under the action of gravity. The probe 6 detects pH, temperature and water level, data are converged into the rechargeable multi-parameter sensor 2, and the LED display screen 8 displays the pH, the temperature and the water level in real time. After sampling is finished, the automatic water collection surface runoff sampler is taken out, the container is taken and placed below the opening of the flow guide pipe 7, and the LED display screen 8 is touched to be opened and closed, so that water can be discharged to the required container.

It will be evident to those skilled in the art that the invention/inventions are not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention/invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an automatic surface runoff sample thief catchments which characterized in that: the sampler can realize real-time display of water level, pH and temperature by combining the existing sensing device on the basis of the traditional surface runoff barrel, and provides basic data for non-point source pollution research.

2. A sampling chamber according to claim 1, wherein: the grids are arranged around the surface runoff collecting device and can intercept substances which are not required to be collected, such as big branches, leaves and the like carried by the surface runoff.

3. A multiparameter sensor according to claim 1, characterized in that: the storage battery is arranged, so that independent operation can be realized.

4. A multiparameter sensor according to claim 1, characterized in that: the upper part is provided with an LED panel which can display water level, pH and temperature in real time.

5. The draft tube of claim 1, wherein: and the water blocking cover is arranged and connected with the sensor, and the water flow can be controlled to be discharged outside through the panel.