Depth-adjustable seawater quality sampling device

Abstract

The utility model discloses a depth-adjustable seawater quality sampling device which comprises a submersible, a remote control module and a positioning module are arranged in the submersible, the depth-adjustable seawater quality sampling device further comprises a sampling mechanism, and the sampling mechanism is arranged on the submersible; according to the depth-adjustable seawater quality sampling device, through the first remote ball valve and the second remote ball valve, on-off of water flow can be accurately controlled, the water flow can be conveniently controlled at different stages, then the internal pressure of the sampling shell is controlled, and through cooperation with the one-way valve, water flow backflow can be prevented, and it is guaranteed that seawater flows in the preset direction; according to the invention, mixing of water samples at different depths is avoided, the sampling accuracy is ensured, the underwater propeller rotates to generate water flow, and the first one-way drainage valve is matched, so that the previously stored relatively shallow sea water can be drained to the outside, stratified sampling of sea water at different depths is facilitated, and the sampling accuracy is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water quality sampling technical field, concretely is a depth adjusted seawater water quality sampling device. BACKGROUND

[0002] With the increase of human activities, a large amount of pollutants such as heavy metals, petroleum substances, pesticides, plastic garbage etc. enter the ocean, and seawater quality directly affects the survival and reproduction of marine organisms, by detecting dissolved oxygen, nutrient salt, pH value etc. in water quality, whether the marine ecological system is in a balanced state can be judged, so as to detect the health of the marine ecological system, find pollutants in time, control and manage pollutants.

[0003] In order to obtain accurate information of seawater at different depths, stratified sampling is needed, but in the actual sampling process, it is difficult to effectively collect seawater at different depths respectively, and when seawater at different depths is sampled, seawater at different depths may mix with each other in the device, so that seawater samples at specific depths cannot be accurately collected, the collected water samples cannot truly reflect the seawater quality at the corresponding depth, the collected water samples do not have the representativeness of seawater at the depth, so that the analysis result based on the water sample deviates, and the seawater quality at different depths of the ocean cannot be accurately reflected, which affects the accuracy and reliability of marine scientific research, environmental monitoring etc.

[0004] Therefore, the utility model provides a depth adjusted seawater water quality sampling device to solve the above problems. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides a depth adjusted seawater water quality sampling device, which solves the above problems.

[0006] To achieve the above purpose, the utility model is realized by the following technical scheme: a depth adjusted seawater water quality sampling device, comprising a submersible vehicle, a remote control module and a positioning module are included in the submersible vehicle, further comprising a sampling mechanism, the sampling mechanism is arranged on the submersible vehicle;

[0007] The sampling mechanism comprises a sampling shell, a fixed connecting piece and a collecting pipe, an exhaust valve is arranged on the collecting pipe, a one-way valve is arranged at the bottom end of the collecting pipe, a sealing ring is arranged at the connecting cover of the collecting pipe, the fixed connecting piece is fixedly connected to the collecting pipe, a connecting circular pipe is fixedly connected to the collecting pipe, the collecting pipe is arranged on the inner side and the outer side of the connecting circular pipe respectively, the sampling shell is fixedly connected to the submersible vehicle, the required water inlet pressure of each one-way valve is different, and the water inlet pressure of the one-way valve in the connecting circular pipe is less than the water inlet pressure of the collecting pipe arranged on the outer side of the connecting circular pipe.

[0008] Preferably, the water inlet connector is fixedly connected to the upper end of the sampling shell, and a water inlet is formed in the water inlet connector.

[0009] Preferably, the water inlet connector is fixedly connected to the upper end of the sampling shell, and a water inlet is formed in the water inlet connector.

[0010] Preferably, the water inlet connector is fixedly connected to the upper end of the sampling shell, and a water inlet is formed in the water inlet connector.

[0011] Preferably, the water inlet connector is fixedly connected to the upper end of the sampling shell, and a water inlet is formed in the water inlet connector.

[0012] Preferably, the water inlet connector is fixedly connected to the upper end of the sampling shell, and a water inlet is formed in the water inlet connector.

[0013] Advantages

[0014] The utility model provides a depth regulation's seawater quality sampling device. Compared with prior art has the following beneficial effects:

[0015] (1) a depth regulation's seawater quality sampling device, through first remote ball valve and second remote ball valve, can control the on-off of water flow accurately, is convenient for controlling water flow in different stages, and further control the pressure in the sampling shell, and in cooperation with check valve, can prevent water flow backflow, ensure that seawater flows according to the predetermined direction, avoid different depth water sample mixing, guarantee the accuracy of sampling, utilize the rotation of underwater propeller to generate water flow, cooperate first check valve, can store the shallow seawater before being discharged to the outside, help to realize the stratified sampling of different depth seawater, further improve the accuracy of sampling.

[0016] (2) a depth regulation's seawater quality sampling device, through connecting pipe, slider, spring, limit stopper and arc container, avoid opening first remote ball valve, and water flow directly impacts water pressure sensor, second check valve, first check valve and exhaust valve, causes element damage. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is the overall device structure side view of the utility model;

[0018] Figure 2 is the sampling mechanism side view of the utility model;

[0019] Figure 3 is the sampling mechanism internal structure side view of the utility model;

[0020] Figure 4 is the sampling mechanism partial structure side view of the utility model;

[0021] Figure 5 is the collection pipe structure side view of the utility model.

[0022] Fig. in: 1, submersible;

[0023] Sampling mechanism: 21, sampling shell; 22, water inlet connecting piece; 23, water inlet; 24, depth detection sensor; 25, underwater propeller; 26, first remote ball valve; 27, connecting pipe; 28, sliding block; 29, spring; 291, limit connecting block; 292, arc container; 293, first one-way drain valve; 294, water pressure sensor; 295, second remote ball valve; 296, connecting round pipe; 297, fixed connecting piece; 298, collection pipe; 299, one-way valve; 2991, exhaust valve; 2992, second one-way drain valve. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Embodiment one:

[0026] Please refer to Figures 1-5 A seawater quality sampling device with depth adjustment, comprising a submersible 1, the submersible 1 includes a remote control module and a positioning module, further comprising a sampling mechanism, the sampling mechanism is arranged on the submersible 1;

[0027] The sampling mechanism comprises a sampling shell 21, a fixed connecting piece 297 and a collecting pipe 298, the collecting pipe 298 is provided with an exhaust valve 2991, the bottom end of the collecting pipe 298 is provided with a one-way valve 299, the collecting pipe 298 is provided with a sealing ring at the connecting cover, the fixed connecting piece 297 is fixedly connected to the collecting pipe 298, the connecting pipe 296 is fixedly connected to the collecting pipe 298, the collecting pipe 298 is arranged inside and outside the connecting pipe 296 respectively, the sampling shell 21 is fixedly connected to the submersible 1, the required water inlet pressure of each one-way valve 299 is different, and the water inlet pressure of the one-way valve 299 inside the connecting pipe 296 is smaller than that of the collecting pipe 298 arranged outside the connecting pipe 296.

[0028] The water inlet connecting piece 22 is bolted to the bottom end of the sampling shell 21, the water inlet connecting piece 22 is provided with a water inlet 23, and the water inlet 23 is provided with a filter screen.

[0029] The depth detection sensor 24 is fixedly connected to the water inlet connecting piece 22, the first remote ball valve 26 is bolted to the inside of the sampling shell 21, and the pipeline inside the sampling shell 21 is provided with an underwater propeller 25.

[0030] The connecting pipe 27 is fixedly connected to the end of the first remote ball valve 26 away from the water inlet connecting piece 22, the sliding block 28 is slidingly connected inside the connecting pipe 27, the groove is formed in the inside of the connecting pipe 27, the limiting connecting block 291 is fixedly connected to the port of the connecting pipe 27 away from the first remote ball valve 26, and the spring 29 is arranged between the limiting connecting block 291 and the sliding block 28.

[0031] The arc-shaped container 292 is arranged inside the sampling shell 21, the arc-shaped container 292 communicates with the connecting pipe 27, the sealing ring is arranged at the connecting position of the arc-shaped container 292 and the connecting pipe 27, and the sealing ring is arranged at the connecting position of the arc-shaped container 292 and the sampling shell 21.

[0032] The fixed connecting piece 297 is fixedly connected to the inside of the sampling shell 21, the first one-way drainage valve 293 is arranged on the sampling shell 21, the second remote ball valve 295 is fixedly connected to the end of the connecting pipe 296 away from the first one-way drainage valve 293, the second one-way drainage valve 2992 is arranged on the connecting pipe 296, the waterproof container is partially wrapped on the second remote ball valve 295, the second water pipe is arranged at the end of the second remote ball valve 295 away from the connecting pipe 296, and the water pressure sensor 294 is arranged on the second water pipe.

[0033] Working process: control the submersible 1 to run to different depths:

[0034] When the water flows through the water inlet 23 and the filter screen, the seawater enters the pipeline inside the sampling shell 21, the first remote ball valve 26 is started, so that the sampling shell 21 is communicated with the connecting pipe 27, the water flow enters the slider 28, and the water pressure is passed, so that the slider 28 is driven to move inward, so that the slider 28 passes through the groove on the connecting pipe 27, the water flow enters the arc-shaped container 292 through the water groove in the connecting pipe 27, and then passes through the second pipeline, and the second remote ball valve 295 is opened, so that the water flow passes through the connecting circular pipe 296 and reaches a certain water pressure, the water flow enters the collecting pipe 298 through the one-way valve 299 in the connecting circular pipe 296, and the air in the collecting pipe 298 is discharged to the outside through the exhaust valve 2991. At this time, the first remote ball valve 26 is controlled to be closed, so that the pressure value of the water pressure sensor 294 does not change, and then the second remote ball valve 295 is closed.

[0035] Then the submersible 1 is controlled to dive deeper, the first remote ball valve 26 is opened, so that the seawater sequentially passes through the first remote ball valve 26, the arc-shaped container 292 and the first one-way drain valve 293, and the underwater propeller 25 is rotated to generate water flow, so that the previously stored seawater at a shallower depth is discharged to the outside through the first one-way drain valve 293. At this time, the one-way valve 299 outside the connecting circular pipe 296 in the sampling shell 21 reaches the pressure, the water flow enters the inside of the collecting pipe 298, and the gas in the collecting pipe 298 is discharged through the exhaust valve 2991.

[0036] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0037] It should be noted that, in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0038] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A deep-adjusted seawater quality sampling device comprising a submersible vehicle (1) comprising inside a remote control module and a positioning module, characterized in that, Also include sampling mechanism, the sampling mechanism is arranged on the submersible (1); The sampling mechanism includes a sampling shell (21), a fixed connector (297), and a collection tube (298), the collection tube (298) is provided with an exhaust valve (2991), the bottom end of the collection tube (298) is provided with a one-way valve (299), the collection tube (298) is provided with a sealing ring at the connection cover, the collection tube (298) is fixedly connected with the fixed connector (297), the collection tube (298) is fixedly connected with the connecting circular pipe (296), the collection tube (298) is respectively arranged inside and outside the connecting circular pipe (296), the sampling shell (21) is fixedly connected on the submersible (1), the required water inlet pressure of each one-way valve (299) is different, and the water inlet pressure of the one-way valve (299) inside the connecting circular pipe (296) is less than the water inlet pressure of the collection tube (298) arranged outside the connecting circular pipe (296).

2. A depth-adjustable seawater water quality sampling device according to claim 1, characterized in that: The water inlet connector (22) is bolted to the bottom end of the sampling shell (21), the water inlet connector (22) is provided with a water inlet (23), and the water inlet (23) is provided with a filter screen.

3. A depth-adjustable seawater water quality sampling device according to claim 2, characterized in that: The depth detection sensor (24) is fixedly connected to the water inlet connector (22), the first remote ball valve (26) is bolted to the inside of the sampling shell (21), and the underwater propeller (25) is arranged in the pipeline inside the sampling shell (21).

4. A depth-adjustable seawater water quality sampling device according to claim 3, characterized in that: The connecting pipe (27) is fixedly connected to the end of the first remote ball valve (26) away from the water inlet connector (22), the connecting pipe (27) is slidably connected with the sliding block (28), the connecting pipe (27) is provided with a groove inside, the connecting pipe (27) is fixedly connected with the limiting connecting block (291) at the port away from the first remote ball valve (26), and the limiting connecting block (291) and the sliding block (28) are provided with the spring (29) therebetween.

5. A depth-adjustable seawater water quality sampling device according to claim 4, characterized in that: The arc-shaped container (292) is arranged inside the sampling shell (21), the arc-shaped container (292) is communicated with the connecting pipe (27), the arc-shaped container (292) is provided with a sealing ring at the connecting position with the connecting pipe (27), and the arc-shaped container (292) is provided with a sealing ring at the connecting position with the sampling shell (21).

6. A depth-adjustable seawater water quality sampling device according to claim 1 or 5, characterized in that: The fixed connector (297) is fixedly connected to the inside of the sampling shell (21), the sampling shell (21) is provided with a first one-way drain valve (293), the second remote ball valve (295) is fixedly connected to the end of the connecting circular pipe (296) away from the first one-way drain valve (293), the connecting circular pipe (296) is provided with a second one-way drain valve (2992), part of the second remote ball valve (295) is wrapped with a waterproof container, the second water pipe is arranged at the end of the second remote ball valve (295) away from the connecting circular pipe (296), and the second water pipe is provided with a water pressure sensor (294).

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