A safety detection device for ecological environment design

Abstract

The application discloses a safety detection device for ecological environment design and relates to the field of ecological environment detection devices, which comprises a cover device, a collecting device and a pipeline device. The cover device is covered on the collecting device and forms a sealed structure, and the pipeline device is arranged below the collecting device. The cover device comprises a cover and a sealing plate. The collecting device comprises a collecting bin and a sub-packaging cylinder. The sub-packaging cylinder is internally provided with a piston plate. The pipeline device comprises a positioning pipeline and a collecting pipeline. The total pipeline and the communication pipeline arranged in the application can exhaust the air in the collecting pipeline before the sample water is extracted, and a sealed space is formed through the sealed connection between the piston plate and the sub-packaging cylinder. When the sample water is extracted upwards from the respective water layers, the dissolved oxygen content in the sample water can be maintained in a pressure-maintaining mode through the sealed space, so that the dissolved oxygen is prevented from being precipitated.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of ecological environment detection device, specifically to a safety detection device for ecological environment design. BACKGROUND

[0002] The water body such as reservoir, lake and the like can be used as drinking water and agricultural water, and sometimes exists as landscape, so the safety detection for the water body must be carried out regularly, in the ecological system detection of the water body such as reservoir, lake and the like, the conventional sampling method faces the problem of sample representative distortion, especially for the water sample of deep bottom layer and thermocline, after the water sample is taken away from the original water body environment, the pressure release and temperature change experienced by the water sample, the water body is easy to produce the condition of sample quality deterioration, including:

[0003] 1. Dissolved oxygen release: pressure reduction leads to dissolved oxygen release;

[0004] 2. Microbial community change: psychrophilic microorganisms (such as diatoms) are active in the water sample within 5 minutes;

[0005] 3. Metal ion change: such as divalent iron ion is oxidized to trivalent iron particle and hydrolyzed and precipitated, causing the total phosphorus detection value to be underestimated.

[0006] The current in-situ fixation technology is difficult to cope with the composite interference, and the time-consuming of multiple layered sampling is too long, which causes the continuous decay of the sample biochemical characteristics. This forces the ecological monitoring to compromise between "real-time", "fidelity" and "operability", which seriously affects the water pollution influence eutrophication early warning accuracy and ecological restoration evaluation credibility. SUMMARY

[0007] The purpose of the present application is to provide a safety detection device for ecological environment design to solve the problem of water sample change caused by pressure change in the background technology.

[0008] To achieve the above purpose, the present application provides the following technical scheme: a safety detection device for ecological environment design, comprising a cover device, a collection device and a pipeline device, the cover device covers the collection device and forms a sealed structure, the pipeline device is arranged below the collection device;

[0009] The cover device comprises a cover and a sealing plate, the cover is arranged on the collection device, the sealing plate is slidably arranged in the cover, the upper end of the sealing plate is connected to the output shaft of the electric push rod, and the electric push rod is fixedly installed on the cover;

[0010] The collection device comprises a collection bin and a sub-packaging cylinder, the collection bin is fixedly connected in the cover, and the sub-packaging cylinder is arranged in the collection bin in equal intervals;

[0011] The piston plate is fixedly connected to the sealing plate through a connecting rod;

[0012] The pipeline device comprises a positioning pipeline and a collecting pipeline, the positioning pipeline is detachably installed at the bottom of the collecting bin, the upper end of the collecting pipeline is fixedly connected to the bottom of the sub-packaging cylinder, and the lower end is connected to the side wall of the positioning pipeline.

[0013] Preferably, the upper cover is provided with a main pipeline connected to an external pump body, and the outer side wall of the upper cover is provided with a fixing seat.

[0014] Preferably, the edge of the sealing plate is provided with a sealing strip in sealing contact with the inner wall of the upper cover, the output shaft of the electric push rod is connected with an adapter block, and the bottom of the adapter block is fixedly connected to the sealing plate.

[0015] Preferably, the side wall of the collecting bin and the inner partition plate are provided with a heat preservation layer.

[0016] Preferably, the bottom of the sub-packaging cylinder is provided with a fixing hole, the mouth of the fixing hole is provided with a groove, and the groove is provided with a contact sensor.

[0017] Preferably, a communication pipe is arranged between the sealing plate and the piston plate, and the communication pipe is provided with a control valve I.

[0018] Preferably, the top of the positioning pipeline is provided with a connecting cover, and the connecting cover is detachably installed at the bottom of the collecting bin.

[0019] Preferably, the side wall of the positioning pipeline is provided with a limiting hole, and the side wall of the limiting hole is provided with a distance scale mark line.

[0020] Preferably, the bottom of the collecting pipeline is provided with a water inlet, and the water inlet is provided with a control valve II.

[0021] Preferably, the water inlet is installed in the limiting hole through a clamping piece, and the clamping piece is installed on the side wall of the limiting hole through friction force.

[0022] Compared with the prior art, the present application has the following advantages:

[0023] 1. The present application can realize the sampling and sampling of multiple layers of water bodies at one time through the multiple sub-packaging cylinders and the collecting pipelines corresponding to the sub-packaging cylinders, and can store the sampling separately, and the heat preservation layer can effectively keep the temperature of each sub-packaging cylinder unchanged.

[0024] 2. The total pipe and the communication pipe provided in the invention can exhaust the air in the collection pipe before the sample water is extracted, and form a closed space through the sealed connection between the piston plate and the dispensing cylinder. When the sample water is extracted upward from the respective water layers, the pressure inside and outside the cavity is maintained constant through the displacement of the piston plate, and the dissolved oxygen is maintained in a dissolved state due to the stable pressure. After the water body fills the collection pipe and the control valve two is closed, the system enters a closed static equilibrium state. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a structural diagram of the invention.

[0026] Figure 2 is a top view of the invention.

[0027] Figure 3 is Figure 2 is a sectional view of the structure at A-A.

[0028] Figure 4 is Figure 3 is an enlarged view of the structure at B.

[0029] Figure 5 is a diagram of the internal structure of the invention.

[0030] Figure 6 is a diagram of the water body pressure in the pipe.

[0031] In the figure: 1 - upper cover device;

[0032] 11 - upper cover;

[0033] 111 - total pipe;

[0034] 12 - sealing plate;

[0035] 13 - electric push rod;

[0036] 14 - fixed seat;

[0037] 2 - collection device;

[0038] 21 - collection bin;

[0039] 211 - connecting cover;

[0040] 22 - dispensing cylinder;

[0041] 221 - fixed hole;

[0042] 222 - contact sensor;

[0043] 23 - piston plate;

[0044] 24 - connecting rod;

[0045] 25 - communication pipe;

[0046] 251 - control valve one;

[0047] 3 - pipe device;

[0048] 31 - positioning pipe;

[0049] 32 - collection pipe;

[0050] 321 - water inlet;

[0051] 322 - control valve two;

[0052] 33 - limiting hole;

[0053] 34 - clamping piece. DETAILED DESCRIPTION

[0054] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0055] Please refer to Figures 1 to 2 , the present application provides a technical solution: a safety detection device for ecological environment design, comprising a cover device 1, a collection device 2 and a pipe device 3, the cover device 1 covers the collection device 2 and forms a sealed structure, the pipe device 3 is arranged below the collection device 2;

[0056] The cover device 1 comprises a cover 11 and a sealing plate 12, the cover 11 is arranged on the collection device 2, the sealing plate 12 is slidingly arranged in the cover 11, the upper end of the sealing plate 12 is connected to the output shaft of an electric push rod 13, and the electric push rod 13 is fixedly installed on the cover 11;

[0057] The cover 11 is arranged to fix the whole device, so that it can be installed at the desired position in the water body, and at the same time, the sealing plate 12 can ensure that the pressure in the space below the sealing plate 12 can be changed with the up and down movement of the sealing plate 12.

[0058] The collection device 2 comprises a collection bin 21 and a sub-packaging cylinder 22, the collection bin 21 is fixedly connected in the cover 11, and the sub-packaging cylinder 22 is arranged in the collection bin 21 in several numbers and at equal intervals;

[0059] The collection bin 21 and the sub-packaging cylinder 22 can store the collected water body separately

[0060] The sub-packaging cylinder 22 is provided with a piston plate 23, and the piston plate 23 is fixedly connected to the sealing plate 12 through a connecting rod 24.

[0061] The pipeline device 3 comprises a positioning pipeline 31 detachably installed at the bottom of the collection bin 21 and a collection pipeline 32 with its upper end fixedly connected to the bottom of the sub-packaging cylinder 22 and its lower end connected to the side wall of the positioning pipeline 31.

[0062] In the embodiment, the upper cover 11 is provided with a main pipeline 111 connected to an external pump body, and the outer side wall of the upper cover 11 is provided with a fixing seat 14 capable of fixing the entire device on a ship body, a pile body or other equipment to help the entire device to be fixed, and the external pump body has a suction function and can form a vacuum environment through suction.

[0063] In the embodiment, the sealing strip in sealing contact with the inner wall of the upper cover 11 is arranged at the edge of the sealing plate 12, and the adapter block is connected to the output shaft of the electric push rod 13 and fixedly connected to the bottom of the sealing plate 12, so that the sealing plate 12 can be pressed down by gravity when the electric push rod 13 is adjusted to be free.

[0064] In the embodiment, the heat preservation layer is arranged in the side wall of the collection bin 21 and the inner partition plate, so that the temperature of each sub-packaging cylinder 22 can be kept unchanged.

[0065] In the embodiment, the fixing hole 221 is arranged at the bottom of the sub-packaging cylinder 22, the mouth of the fixing hole 221 is provided with a groove, and the contact sensor 222 is arranged in the groove, so that the contact sensor 222 can detect whether there is water in the groove.

[0066] In the embodiment, the communication pipe 25 is arranged between the sealing plate 12 and the piston plate 23, and the control valve one 251 is arranged on the communication pipe 25, so that the space below the piston plate 23 can be pumped to be vacuum by the main pipeline 111 and the pump body connected to the main pipeline 111 when the control valve one 251 is opened.

[0067] In this embodiment, because the piston plate 23 is in contact with the bottom of the sub-packaging cylinder 22, after the air in the collection pipeline 32 is removed by suction, the valve two 322 is opened, water will enter the collection pipeline 32 through the water inlet 321 and fill the pipeline, at this time, because the water body in the collection pipeline 32 is in communication with the external water body through the water inlet 321, the state of the water body in the collection pipeline 32 will be consistent with the state of the external water body, and at the same time, during the slow upward movement of the piston plate 23, because the water body in the collection pipeline 32 and the sub-packaging cylinder 22 is always in the same state as the external water body, because it is always in a full state, it has the effect of equivalent to pressure maintaining, the state of the water body in the collection pipeline 32 and the sub-packaging cylinder 22 is basically the same as the external water body, until it is completely filled, the water inlet 321 is closed, so that the state of the extracted water does not change any more. When the sample water is extracted from the respective water layer upward, the pressure inside and outside the cavity is maintained constant by the displacement of the piston plate 23, and the dissolved oxygen is maintained in a dissolved state due to the stable pressure.

[0068] When the water body fills the collection pipeline 32 and the control valve two 322 is closed, the system enters a closed static equilibrium state, it should be noted that the state of different sub-packaging cylinders 22 is independent, and the upward height of the piston plate 23 only affects the volume of the extracted water entering the sub-packaging cylinder 22 for different sampling depths of water body, the power source of water extraction comes completely from the water pressure of the external water body, the water pressure of different water depths is different, but this water pressure will not have an impact in different sub-packaging cylinders 22, so as to ensure the independence of each sub-packaging cylinder 22 for collecting water body.

[0069] The pressure maintaining principle described above is based on the basic condition of the hydraulic transmission principle that the liquid is incompressible, that is, according to Pascal's principle, in a closed container, the pressure applied to the static liquid will be transmitted to each point of the liquid at the same time, when the collection pipeline 32 is filled with liquid, the liquid is in a static state, the pressure applied to the liquid is the external water pressure, which is equal inside and outside the liquid.

[0070] Therefore, considering the factors that affect the content of dissolved oxygen in water including pressure, temperature, and water flow, in this application, the temperature is constant, the water is not flowing, and the pressure does not change before and after the sampling water body reaches a stable state, so the content of dissolved oxygen does not change, and the sampling water body is not damaged.

[0071] As Figure 6As shown, the water body enters the collection pipeline 32 under the external water pressure, and the pressure of the external water body is represented by F1. After the water body enters the collection pipeline 32 and the sub-packaging cylinder 22 and reaches a steady state, the pressure F1 acts on the piston plate 23 through the conduction of the water body, and the force is represented by F2. According to the Pascal principle, F1 and F2 are of the same size. After the piston plate 23 no longer moves, the piston plate 23 will exert the same force F3 on the water body below. Obviously, F3 and F2 are of the same size. On this basis, the pressure of the water body entering the collection pipeline 32 is still the same as the external water body pressure.

[0072] In this embodiment, the top of the positioning pipeline 31 is provided with a connecting cover 211 which is detachably installed at the bottom of the collection bin 21. By replacing the connecting cover 211, the positioning pipeline 31 can be replaced. When different numbers of connecting pipelines 32 are needed and the water body needs to be deepened to different depths, the positioning pipeline 31 can be replaced to achieve the purpose.

[0073] In this embodiment, the side wall of the positioning pipeline 31 is provided with a limiting hole 33, and the limiting hole 33 is provided with a distance scale mark line on the side wall. The distance scale mark line facilitates adjusting the distance of each water inlet 321 deep into the water, and sampling different depths of water bodies.

[0074] In this embodiment, the bottom of the collection pipeline 32 is provided with a water inlet 321 which is detachably connected to the end of the collection pipeline 32. The water inlet 321 is provided with a control valve two 322. The control valve one 251 and the control valve two 322 are both electrically controlled valves which can be opened and closed through remote control. When the control valve two 322 is opened, the water inlet 321 fills water into the pipeline. Because the collection pipeline 32 contains air, the water cannot completely fill the pipeline, and the air needs to be removed by cooperating with the suction of the communication pipe 25.

[0075] In this embodiment, the water inlet 321 is installed in the limiting hole 33 through the clamping piece 34. The clamping piece 34 is installed on the side wall of the limiting hole 33 through friction. By sliding the clamping piece 34 up and down, the up and down position of the water inlet 321 is adjusted, which facilitates sampling different depths of water bodies.

[0076] In this embodiment, four collection pipes 32 are provided, because the positioning pipe 31 is provided with a limiting hole 33, and the removable and replaceable positioning collection pipe 32 is installed on the limiting hole 33 by the clamping piece 34 through friction, for example, when a, a+5, a+10, a+15, a set of different depths of water body are needed to be extracted, four collection pipes 32 with lengths of a, a+5, a+10, a+15 are replaced respectively to realize the collection of water bodies with an interval of 5 units, and they are installed below the collection bin 21. During the replacement process, the collection pipe 32 is inserted from above the positioning pipe 31, because the water inlet 321 is detachably connected to the end of the collection pipe 32, the water inlet 321 is inserted and connected to the collection pipe 32 from outside the limiting hole 33 through the clamping piece 34, at this time, the collection pipe 32 is integrated with the water inlet 321, the water inlet 321 and the collection pipe 32 are moved up and down in the positioning pipe 31 along the limiting hole 33 by sliding the clamping piece 34, according to the scale line on the side of the limiting hole 33 of the positioning pipe 31, the position of the water inlet is adjusted to meet the depth requirements of a, a+5, a+10, a+15, and sampling of different depths of water bodies can be realized.

[0077] Working principle: including the following steps:

[0078] Pre-evacuation stage: the electric push rod 13 presses down the sealing plate 12 to make the piston plate 23 press down with the connecting rod 24, the piston plate 23 contacts the bottom of the sub-packaging cylinder 22, the entire device is put into the water body, the depth is required to be higher than the top surface of the sub-packaging cylinder 22 and lower than the top surface of the upper cover 11, after being put into the set position, the entire device is fixed through the fixed seat 14, control valve one 251 and control valve two 322 are opened, air in the collection pipe 32 is removed by suction until the contact sensor 222 detects that water enters the pipe mouth, and the feedback signal stops suction.

[0079] Layered sampling stage: the electric push rod 13 and control valve one 251 are closed, control valve two 322 at the bottom of the collection pipe 32 is kept open, and different depth water bodies are pressed into the corresponding sub-packaging cylinder 22 due to water pressure.

[0080] Pressure maintaining mechanism: the upward movement of the piston plate 23 synchronously causes the liquid level to rise, the cavity volume increases, but the external water pressure remains unchanged, the cavity water pressure is stable, and the dissolved oxygen remains in a dissolved state due to stable pressure, temperature and water flow state.

[0081] Sealing sample retention stage: after sampling is completed, control valve two 322 is closed, and the electric push rod 13 is restarted to keep the sealing plate 12 and the piston plate 23 in the same position, and the position pressure enhances the sealing property.

[0082] Sub-packaging analysis stage: the independent sub-packaging cylinder 22 is taken out for inspection, the temperature is constant throughout the process, and no gas escapes.

[0083] From the technical common knowledge, the present application can be realized by other embodiments without departing from the spirit or essential characteristics thereof. Therefore, the above disclosed embodiments are merely exemplary in all aspects and are not the only ones. All changes within the scope of the present application or equivalent to the scope of the present application are intended to be embraced by the present application.

Claims

1. A safety monitoring device for ecological environment design, characterized in that: The utility model provides a kind of pipe device, including upper cover device (1), collection device (2) and pipeline device (3), the upper cover device (1) covers on collection device (2) and forms sealed structure, and the pipeline device (3) is arranged below collection device (2). The upper cover device (1) includes an upper cover (11) and a sealing plate (12), the upper cover (11) is arranged on the collection device (2), and the sealing plate (12) is slidably arranged in the upper cover (11). The upper end of the sealing plate (12) is connected to the output shaft of an electric push rod (13), and the electric push rod (13) is fixedly installed on the upper cover (11). The collection device (2) includes a collection bin (21) and a dispensing cylinder (22). The collection bin (21) is fixedly connected in the upper cover (11), and the dispensing cylinder (22) is arranged in the collection bin (21) in several equal intervals. The dispensing cylinder (22) is provided with a piston plate (23), and the piston plate (23) is fixedly connected to the sealing plate (12) through a connecting rod (24). The pipeline device (3) includes a positioning pipeline (31) and a collection pipeline (32). The positioning pipeline (31) is detachably installed at the bottom of the collection bin (21), the upper end of the collection pipeline (32) is fixedly connected to the bottom of the dispensing cylinder (22), and the lower end of the collection pipeline (32) is connected to the side wall of the positioning pipeline (31). The bottom of the dispensing cylinder (22) is provided with a fixing hole (221), the mouth of the fixing hole (221) is provided with a groove, and a contact sensor (222) is arranged in the groove. A communication pipe (25) is arranged between the sealing plate (12) and the piston plate (23), and a control valve I (251) is arranged on the communication pipe (25). The top of the positioning pipeline (31) is provided with a connecting cover (211), and the connecting cover (211) is detachably installed at the bottom of the collection bin (21).

2. The safety detection device for ecological environment design according to claim 1, characterized in that: The upper cover (11) is provided with a main pipeline (111) connected to an external pump body, and a fixed seat (14) is arranged on the outer side wall of the upper cover (11).

3. The safety detection device for ecological environment design according to claim 2, characterized in that: A sealing strip is arranged at the edge of the sealing plate (12) to seal with the inner wall of the upper cover (11). An adapter block is connected to the output shaft of the electric push rod (13), and the bottom of the adapter block is fixedly connected to the sealing plate (12).

4. The safety detection device for ecological environment design according to claim 1, characterized in that: A heat preservation layer is arranged in the side wall and the inner partition plate of the collection bin (21).

5. The safety detection device for ecological environment design according to claim 1, characterized in that: A limiting hole (33) is arranged on the side wall of the positioning pipeline (31), and a distance scale line is arranged on the side wall of the limiting hole (33).

6. The safety detection device for ecological environment design according to claim 5, characterized in that: A water inlet (321) is arranged at the bottom of the collection pipeline (32), and a control valve II (322) is arranged at the water inlet (321).

7. The safety detection device for ecological environment design according to claim 6, characterized in that: The water inlet (321) is installed in the limiting hole (33) through a clamping piece (34), and the clamping piece (34) is installed on the side wall of the limiting hole (33) through friction.

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