Device for detecting harmful components in agricultural non-point source pollution

Abstract

The utility model discloses a device for detecting harmful components in agricultural non-point source pollution. The device comprises a supporting mechanism; the upper positioning plate is connected with the supporting mechanism, and the position of the upper positioning plate can be adjusted up and down relative to the supporting mechanism; the lower positioning plate is connected with the upper positioning plate through a plurality of vertically arranged limiting rods; the floating balls are arranged among the multiple limiting rods and are connected with the multiple limiting rods through first sliding rings arranged on the limiting rods in a sliding and sleeving mode; the water quality detection mechanism is arranged on the upper positioning plate, and a detection probe of the water quality detection mechanism is arranged at the lower end of the floating ball. The utility model provides a device for detecting harmful components of agricultural non-point source pollution, which can timely analyze the water quality of water flow in a drainage ditch and detect the harmful components of the water flow. Meanwhile, the detection position of the detection device can move up and down along with the change of the water level in the drainage ditch, and normal work of the detection device is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of agricultural non-point source pollution prevention and control, and more specifically, to a device for detecting harmful components of agricultural non-point source pollution. Background Art

[0002] Agricultural non-point source pollution mainly refers to the phenomenon that in the process of agricultural production activities, various pollutants move slowly in the soil circle at low concentrations and over a large range, or diffuse from the soil circle to the hydrosphere, causing the soil, aquifers, lakes, rivers, coasts, atmosphere and other ecosystems to be polluted. It has the characteristics of high randomness in the formation process, many influencing factors, wide distribution range, long latent period and great harm.

[0003] The rainfall process is the main period of pollution emission in farmland non-point source pollution. It is very important to monitor the emission of pollutants during the rainfall process for the monitoring of farmland non-point sources. At present, agricultural non-point source pollution sampling is mostly done by setting up runoff pools in the field. Due to the use of manual sampling methods, it is time-consuming, laborious, and the safety of sampling personnel during the rainfall process is difficult to ensure. Sampling and monitoring are mostly carried out after rainfall. At this time, a large number of pollutants in farmland have been washed into the drainage ditch with rainwater and runoff, and then merged into the water body through the drainage ditch. Therefore, it is impossible to deal with the non-point source pollution caused by agricultural production in time, resulting in large-scale pollution. At present, it is mainly through manual sampling in the drainage ditch and then sent for inspection. The process is time-consuming and cannot timely detect the water quality in the drainage ditch and analyze the harmful components of agricultural non-point source pollution. At present, there are also water quality testing equipment installed in drainage ditches, but the detection position of the water quality testing equipment is fixed. If the detection position is set too high, the water quality testing equipment will not be able to contact the water flow when the water level in the drainage ditch is low; if the detection position is set too low, it may be covered by the accumulated mud or other debris in the drainage ditch, thereby affecting the normal operation of the water quality testing equipment. Utility Model Content

[0004] The purpose of the utility model is to provide a device for detecting harmful components of agricultural non-point source pollution, which can timely analyze the water quality of water in the drainage ditch and detect its harmful components. At the same time, the detection position of the detection device can move up and down with the change of the water level in the drainage ditch to ensure the normal operation of the detection device.

[0005] The utility model solves the above technical problems with the following technical solutions: a device for detecting harmful components of agricultural non-point source pollution, comprising:

[0006] Support mechanism;

[0007] An upper positioning plate, which is connected to the supporting mechanism and whose position can be adjusted up and down relative to the supporting mechanism;

[0008] A lower positioning plate connected to the upper positioning plate via a plurality of vertically arranged limiting rods;

[0009] A floating ball, which is arranged between the plurality of limit rods and is respectively connected to the plurality of limit rods through a first sliding ring slidably sleeved on the limit rods;

[0010] A water quality detection mechanism is arranged on the upper positioning plate, and a detection probe of the water quality detection mechanism is arranged at the lower end of the float.

[0011] Furthermore, in the device for detecting harmful components of agricultural non-point source pollution, the support mechanism includes:

[0012] Two support rods, each of which is slidably provided with a sleeve, the sleeve being provided with a first threaded through hole, and a first positioning bolt being installed with an inner thread of the first threaded through hole;

[0013] Two horizontally arranged cylinders, one end of which is respectively connected to the two sleeves;

[0014] One end of the two round rods is connected to the upper positioning plate, and the other ends thereof coaxially extend into the openings at the other ends of the two cylinders.

[0015] Furthermore, in the device for detecting harmful components of agricultural non-point source pollution, a horizontal plate is provided at the lower end of the support rod, and a plurality of nail holes are provided on the horizontal plate.

[0016] Furthermore, in the device for detecting harmful components of agricultural non-point source pollution, the cylinder is provided with a plurality of second threaded through holes at intervals near the opening at the other end thereof, and second positioning bolts are installed in the inner threads of the second threaded through holes.

[0017] Furthermore, the device for detecting harmful components of agricultural non-point source pollution further comprises:

[0018] A detection box is arranged below the float and connected to the float through a connecting line. The detection box is respectively connected to multiple limit rods through a second slip ring slidably mounted on the limit rod. The detection probe of the water quality detection mechanism is arranged in the detection box. Multiple through holes are provided on the side walls of the detection box.

[0019] Furthermore, the device for detecting harmful components of agricultural non-point source pollution further comprises:

[0020] An alarm is arranged at the upper end of the upper positioning plate;

[0021] A proximity switch is arranged on the upper end of the lower positioning plate, and the proximity switch is electrically connected to the alarm.

[0022] The utility model is a device for detecting harmful components of agricultural non-point source pollution. A float drives a detection probe of a water quality detection mechanism to move up and down, so that the detection probe of the water quality detection mechanism is always located below the water surface, thereby ensuring the normal operation of the detection device and enabling the water quality of the water flow in the drainage ditch to be analyzed in time and its harmful components to be detected.

[0023] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the structure of a detection device according to an embodiment of the utility model;

[0025] Figure 2 It is a schematic structural diagram of a detection device according to another embodiment of the present utility model. DETAILED DESCRIPTION

[0026] The present invention will be further described in detail below in conjunction with the accompanying drawings so that those skilled in the art can implement the invention with reference to the description.

[0027] It should be noted that, in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] Figure 1 A device for detecting harmful components of agricultural non-point source pollution provided by the embodiment of the utility model comprises:

[0029] Support mechanism;

[0030] An upper positioning plate 1, which is connected to the supporting mechanism and whose position can be adjusted up and down relative to the supporting mechanism;

[0031] A lower positioning plate 2 connected to the upper positioning plate 1 via a plurality of vertically arranged limiting rods 3;

[0032] A floating ball 4 is disposed between the plurality of limit rods 3 and is respectively connected to the plurality of limit rods 3 via a first sliding ring 5 slidably sleeved on the limit rods 3;

[0033] The water quality detection mechanism 6 is arranged on the upper positioning plate 1 , and the detection probe 7 of the water quality detection mechanism 6 is arranged at the lower end of the float 4 .

[0034] In this embodiment, the support mechanism is arranged in the drainage ditch or on the bank of the drainage ditch, ensuring that the upper positioning plate 1 extends above the drainage ditch, and the lower positioning plate 2 extends into the drainage ditch and is close to the bottom wall of the drainage ditch. The position of the upper positioning plate 1 on the support mechanism is adjusted so that the upper positioning plate 1 is located above the water surface, preferably above the drainage ditch, and the lower positioning plate 2 is located in the drainage ditch, so that the float 4 and the detection probe 7 of the water quality detection mechanism 6 can be located in the water flow of the drainage ditch. The float 4 is connected to multiple limit rods 3 through multiple slip rings to slide up and down, so that the movement trajectory of the float 4 can be limited, so that it can only move up and down under the buoyancy and impact of the water flow in the drainage ditch, the float 4 always floats on the water surface, and its lower half falls into the water, and the detection probe 7 of the water quality detection mechanism 6 is also always in the water, which can contact the water flow, and the water flow in the drainage ditch is detected for polluted and harmful components through the water quality detection mechanism 6. The water quality detection mechanism 6 can adopt an existing handheld water quality parameter determination rapid tester, fix its main unit on the upper positioning plate 1, and fix its detection probe 7 on the lower end of the float 4. If the water quality parameter determination rapid tester used does not have the function of data transmission, a controller and a wireless transmission module can also be provided, and the water quality parameter determination rapid tester is electrically connected to the controller, and the water quality parameter determination rapid tester sends its real-time detection result of the water quality in the drainage ditch to the controller, and the controller then sends the obtained data to the server or client through the wireless transmission module, so that the staff can obtain the detection data of the pollutant and harmful components in the drainage ditch in real time.

[0035] Preferably, as another embodiment of the present utility model, the support mechanism includes:

[0036] Two support rods 8, each of which is slidably provided with a sleeve 9, the sleeve 9 is provided with a first threaded through hole, and a first positioning bolt 10 is installed in the inner thread of the first threaded through hole;

[0037] Two horizontally arranged cylinders 11, one end of which is connected to the two sleeves 9 respectively;

[0038] One end of the two round rods 12 is connected to the upper positioning plate 1 , and the other ends thereof coaxially extend into the other end openings of the two cylinders 11 .

[0039] In this embodiment, the two support rods 8 can be inserted into the drainage ditch, or the two support rods 8 can be fixed on both sides of the drainage ditch. Since the width of the drainage ditch is not fixed, in this embodiment, the cylinder 11 and the corresponding round rod 12 together form a telescopic rod structure, so that the horizontal position between the upper positioning plate 1 and the two support rods 8 can be adjusted, so that facing drainage ditches of different widths, the two support rods 8 can play a good supporting role for the upper positioning plate 1. Loosen the first positioning bolt 10, and the sleeve 9 and the support rod 8 can slide up and down. After tightening the first positioning bolt 10, the sleeve 9 and the support rod 8 can be fixed, thereby fixing the upper positioning plate 1 and the two support rods 8.

[0040] Preferably, as another embodiment of the utility model, a horizontal plate 13 is provided at the lower end of the support rod 8, and a plurality of nail holes are provided on the horizontal plate 13.

[0041] In this embodiment, nails are installed in the nail holes of the positioning plate 13 at the lower end of the support rod 8, and the nails are nailed into the drainage ditch or on the bank, so that the support rod 8 is more stable.

[0042] Preferably, as another embodiment of the utility model, the cylinder 11 is provided with a plurality of second threaded through holes at intervals near the opening of the other end thereof, and the second threaded through holes are internally threadedly installed with second positioning bolts 14 .

[0043] In this embodiment, since the round rod 12 and the cylinder 11 are slidable, the upper positioning plate 1 can be moved horizontally after the support rod 8 is installed. At this time, a second positioning bolt 14 is set. After tightening the second positioning bolt 14, the round rod 12 and the cylinder 11 can be fixed, thereby completely fixing the upper positioning plate 1.

[0044] Preferably, as another embodiment of the present utility model, Figure 2 As shown, it also includes:

[0045] The detection box 15 is arranged below the float 4 and connected to the float 4 through a connecting line. The detection box 15 is respectively connected to the plurality of limit rods 3 through a second slip ring slidably mounted on the limit rod 3. The detection probe 7 of the water quality detection mechanism 6 is arranged in the detection box 15. The side walls of the detection box 15 are provided with a plurality of through holes.

[0046] In this embodiment, in order to prevent weeds and other debris in the water flow in the drainage ditch from entangled with the detection probe 7 of the water quality detection mechanism 6, a detection box 15 is provided. The multiple through holes on the detection box 15 ensure that the water flow can pass through the detection box 15 and block weeds and other debris to prevent them from entering the detection box 15 and contacting the detection probe 7.

[0047] Preferably, as another embodiment of the utility model, it also includes:

[0048] An alarm 16, which is arranged at the upper end of the upper positioning plate 1;

[0049] A proximity switch 17 is disposed at the upper end of the lower positioning plate 2 , and the proximity switch 17 is electrically connected to the alarm 16 .

[0050] In this embodiment, the proximity switch 17 is electrically connected to the alarm 16, that is, the proximity switch 17 is connected in series to the power supply circuit of the alarm 16. When the proximity switch 17 is in a normally closed state, the power supply circuit of the alarm 16 is disconnected, and the alarm 16 does not work. When the water level in the drainage ditch drops to a point where the detection box 15 cannot be completely immersed in water, the detection device may not be able to work normally at this time. The detection box 15 will also move downward under the action of gravity. When its lower end contacts the proximity switch 17, the power supply circuit of the alarm 16 is closed, and the alarm 16 starts to alarm, reminding the inspection personnel to deal with it in time, so as not to mistake the erroneous data detected by the water quality detection mechanism 6 as real data.

[0051] Although the implementation scheme of the utility model has been disclosed as above, it is not limited to the applications listed in the specification and implementation scheme. It can be fully applied to various fields suitable for the utility model. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the utility model is not limited to the specific details and the embodiments shown and described herein.

Claims

1. A device for detecting harmful components of agricultural non-point source pollution, characterized in that: include: Support mechanism; An upper positioning plate (1), which is connected to the supporting mechanism and whose position can be adjusted up and down relative to the supporting mechanism; A lower positioning plate (2) connected to the upper positioning plate (1) via a plurality of vertically arranged limiting rods (3); A floating ball (4) is arranged between the plurality of limit rods (3) and is respectively connected to the plurality of limit rods (3) via a first sliding ring (5) slidably sleeved on the limit rods (3); A water quality detection mechanism (6) is arranged on the upper positioning plate (1), and a detection probe (7) of the water quality detection mechanism (6) is arranged at the lower end of the float (4).

2. A device for detecting harmful components of agricultural non-point source pollution as claimed in claim 1, characterized in that: The supporting mechanism comprises: Two support rods (8) are both slidably provided with sleeves (9), the sleeves (9) are provided with first threaded through holes, and the first threaded through holes are internally threaded with first positioning bolts (10); Two horizontally arranged cylinders (11), one end of which is respectively connected to the two sleeves (9); One end of the two round rods (12) is connected to the upper positioning plate (1), and the other ends thereof coaxially extend into the openings at the other ends of the two cylinders (11).

3. A device for detecting harmful components of agricultural non-point source pollution as claimed in claim 2, characterized in that: A horizontal plate (13) is provided at the lower end of the support rod (8), and a plurality of nail holes are provided on the horizontal plate (13).

4. A device for detecting harmful components of agricultural non-point source pollution as claimed in claim 2, characterized in that: The cylinder (11) is provided with a plurality of second threaded through holes at intervals near the opening of the other end thereof, and second positioning bolts (14) are installed with internal threads in the second threaded through holes.

5. The device for detecting harmful components of agricultural non-point source pollution according to claim 1, characterized in that: Also includes: A detection box (15) is arranged below the float (4) and connected to the float (4) via a connecting line. The detection box (15) is respectively connected to a plurality of the limit rods (3) via a second slip ring slidably mounted on the limit rods (3). The detection probe (7) of the water quality detection mechanism (6) is arranged in the detection box (15). The side walls of the detection box (15) are each provided with a plurality of through holes.

6. A device for detecting harmful components of agricultural non-point source pollution as claimed in claim 5, characterized in that: Also includes: An alarm (16) disposed on the upper end of the upper positioning plate (1); A proximity switch (17) is arranged at the upper end of the lower positioning plate (2), and the proximity switch (17) is electrically connected to the alarm (16).

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