CN116577148A - Water quality sampling ship capable of being remotely controlled - Google Patents

Abstract

The application discloses a water quality sampling ship capable of being remotely controlled, which relates to the technical field of sampling equipment and comprises a ship body provided with a remote control module and a ship body driving system and a sampling assembly, wherein the sampling assembly comprises a plurality of sampling units, bearing columns, a lifting assembly and a pumping assembly; the sampling units are fixed together in pairs and are arranged in a row; the sampling unit comprises a rectangular hollow block-shaped storage box and an elastic diaphragm; the elastic diaphragm is fixed on the inner wall of the storage box, divides the space in the storage box into two parts, and divides the space into a liquid bin and a gas bin; the storage box is provided with an inlet and an inlet; a liquid inlet one-way valve is fixed on the suction inlet; the bearing column is cylindrical and is fixed on one of the storage boxes at the end part; the lifting assembly is used for driving the combination of the storage box and the bearing column to move; the main body of the pumping assembly is a pump and is used for controlling the gas quantity in each gas bin; the water quality sampling ship has the advantages that the water quality sampling ship can accurately sample water bodies with different water levels, and the sampling effect is good and the cleaning is convenient.

Description

A water quality sampling ship capable of remote control

technical field

The invention relates to the technical field of sampling equipment, in particular to a water quality sampling ship capable of remote control.

Background technique

Since the width and depth of the lake water are different, before the water quality testing of the lake water, it is necessary to sample the water bodies in each area inside the lake, and it is necessary to avoid cross-flow between water bodies at different water levels during the sampling process, so as to ensure that when sampling accuracy of water bodies;

Existing water body sampling devices are difficult to accurately sample water bodies with different water levels, cross-flow between samples is easy to occur, and the residual water in the sampling pipeline will seriously affect the accuracy of sampling, and the sampling effect is poor; after sampling, the entire water body needs to be The cleaning of the sampling device is cumbersome and time-consuming.

Contents of the invention

The embodiment of the present application provides a water quality sampling ship that can be controlled remotely, which solves the technical problems that the water body sampling device in the prior art is difficult to accurately sample water bodies with different water levels, the sampling effect is poor and the cleaning is inconvenient, and water quality sampling is realized. The boat can accurately sample water bodies at different water levels, with good sampling effect and convenient cleaning.

The embodiment of the present application provides a water quality sampling ship capable of remote control, including a hull and a sampling assembly provided with a remote control module and a hull drive system, and the sampling assembly includes a plurality of sampling units, a bearing column, a lifting assembly and a pumping assembly ;

The number of the sampling units is greater than 4, and they are fixed together in pairs and arranged in a row;

The sampling unit comprises a rectangular hollow block storage box and an elastic diaphragm;

The elastic diaphragm is fixed on the inner wall of the storage box, divides the inner space of the storage box into two, and separates it into a liquid chamber and an air chamber;

The storage box is provided with a port and a suction port; the suction port is fixed with a liquid inlet check valve; the storage box is also provided with an output hole, which communicates with the liquid tank and is provided with a top cover;

The carrying column is cylindrical and fixed on one of the storage boxes located at the end;

The lifting assembly is fixed on the hull and is used to drag or pull the combination of the storage box and the carrying column to move;

The main body of the pump gas assembly is a pump, which plays a role in controlling the gas volume in each gas chamber.

Preferably, the storage box is a hard box; the carrying column is a rigid column, and the carrying column is fixed on the top of the sampling unit;

The lifting assembly is a clamping and lifting assembly, and the clamping and lifting assembly includes a support rod, a first rotating column and a second rotating column;

The support rod is fixed on the hull to support and fix the first rotating column and the second rotating column;

The first rotating column and the second rotating column are both cylindrical, with a rubber layer on the side, and at least one built-in motor;

The first rotating column and the second rotating column are symmetrically arranged and have the same axial direction, are respectively located on both sides of the carrying column and are always in close contact with the carrying column or the sampling unit;

The length direction of the carrying column is the same as the length direction of the strip-shaped composition composed of the storage box;

When in use, the rotation of the first rotating column and/or the second rotating column will drive the sampling unit to go up and down.

Preferably, the storage box is a soft box body spliced by soft rubber sheets;

The lifting assembly includes a take-up drum; the take-up drum is positioned on the hull and is a hoisting structure;

The bearing column is a soft rubber cylinder; the end of the bearing column away from the sampling unit is positioned on the take-up drum; when in use, the sampling unit can be controlled to move up and down by controlling the rotation of the take-up drum.

Preferably, the air pump assembly includes an air pump, an air valve and an air delivery pipe. The air valve is a distributing valve, positioned on the air pump, and communicated with each air chamber through the air delivery pipe and the inlet. When in use, it can be controlled by The operation of the air valve controls the air pressure in one or several air chambers.

Preferably, the air pumping assembly includes an air pump, an air valve, an air pipe and a shifting block; the air valve is positioned on the air pump; the air pipe is a spring hose, one end is positioned on the air valve, and the other end is positioned on the On the shift block; the shift block is a slider with built-in wheels and a motor; the first quick-plug connector is fixed on the access port; the shift block is provided with a second quick-plug connector and a plug telescopic assembly; The plug telescopic assembly is a telescopic rod structure, which is fixed on the second push-in joint and at the same time fixed on the shifting trolley. The plug telescopic assembly is controlled to expand and contract, thereby assisting the insertion of the second quick-insert joint into the first quick-insert joint and then pushing the gas One side of the sampling unit is provided with a displacement guide rail; the displacement guide rail is a hard straight guide rail or a soft cylindrical guide rail, which is fixed on the sampling unit and is used for the displacement of the trolley. Mobile guidance; the shifting trolley is controlled to slide on the shifting guide rail; during use, the air chambers are normally closed, when the shifting trolley approaches a certain air chamber, it controls the second quick-plug connector to insert into the first When the push-in connector is used, the air pump is connected to the air chamber.

Preferably, the storage box includes a hard outer casing and a built-in soft bag of rubber material that is fixed and closely attached to the inner wall of the hard outer casing;

The hard outer shell includes a first board group, a second board group and connecting bearing rods;

The first board group and the second board group have the same structure and are symmetrically arranged, and the two are hinged together through two connecting bearing rods; the first board group is composed of 5 hard boards hinged to each other, and the second A board body group is stretched and tiled to form a cross shape as a whole;

The combination of the first plate body group and the second plate body group is in the shape of a hollow quadrangular prism;

Four of the surfaces that are closely attached to each other on the first plate body group and the second plate body group are hinged together through two connecting bearing rods;

The axial direction of the two connecting bearing rods is the same and the length direction of the surface close to them is the same;

Combination magnets are provided on other surfaces that are close to each other on the first board group and the second board group. The composite magnets are magnet sheets or magnet strips. Groups are adsorbed together;

A plurality of hard outer casings are closely attached and fixed together and arranged in a row; plate-shaped adsorption electromagnets are positioned on the surfaces of the hard outer casings that are closely attached to each other and fixed, and are adsorbed together when the adsorption electromagnets are energized.

Preferably, when sampling, the sampling unit close to the bearing column is firstly sampled.

Preferably, when the hull travels 2 to 3 meters close to the target sampling point, the sampling unit to be used as a sampling container is controlled to expand and shrink multiple times, thereby stirring the water flow to realize self-cleaning.

Preferably, the storage box is also provided with a gas outlet one-way valve and a gas delivery conduit, the gas outlet one-way valve communicates with the liquid warehouse to ensure that the gas in the liquid warehouse can only go out but not in; The gas output from the valve is guided to the liquid inlet check valve; when in use, a certain amount of gas is reserved in the liquid chamber; when the built-in soft bag expands, the gas in the liquid chamber is squeezed out and impacts the liquid inlet check valve.

Preferably, the built-in soft capsule is detachably and fixedly connected in the hard shell through a combination component, and the built-in soft capsule can be directly removed and transferred after sampling; the combination component is a Velcro or a button.

One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages:

By providing a water quality sampling ship that can be controlled remotely, the sampling and collection of samples can be completed by using negative pressure; effectively solving the problem that the water body sampling device in the prior art is difficult to accurately sample water bodies at different water levels, the sampling effect is poor, and the technology of cleaning is inconvenient Problems, and then realized that the water quality sampling ship can accurately sample water bodies at different water levels, the sampling effect is good, and the effect of cleaning is convenient.

Description of drawings

Fig. 1 is a schematic diagram of the positional relationship between the hull and the sampling assembly;

Fig. 2 is a schematic diagram of the positional relationship between the hull and the take-up drum;

Fig. 3 is a schematic diagram of the connection relationship of the pump gas assembly;

Fig. 4 is a schematic diagram of the positional relationship between the shifting tackle and the sampling unit;

Fig. 5 is a schematic diagram of the deformation state of the sampling unit;

Fig. 6 is a schematic diagram of the appearance structure of the hard outer casing;

Fig. 7 is a schematic structural view of the hard outer casing;

Fig. 8 is a schematic diagram of the deformation state of the hard outer casing;

Fig. 9 is a schematic diagram of the positional relationship between the first plate group and the second plate group;

Fig. 10 is a schematic diagram of the positional relationship of the built-in soft capsule.

In the picture:

Hull 100;

Sampling assembly 200, sampling unit 210, storage box 211, elastic diaphragm 212, liquid chamber 213, air chamber 214, inlet 215, suction inlet 216, liquid inlet check valve 217, first quick-plug connector 218, bearing column 220, Air pump assembly 230, air pump 231, air valve 232, air pipe 233, shifting trolley 234, second quick connector 235, shifting guide rail 236, air outlet one-way valve 237, air duct 238, clamping and lifting assembly 250 , support rod 251, first rotating column 252, second rotating column 253, take-up drum 260, hard outer shell 270, first plate body group 271, second plate body group 272, connecting bearing rod 273, piercing hole 274, built-in soft capsule 275, combined assembly 276, adsorption electromagnet 277.

Detailed ways

In order to facilitate understanding of the present invention, the present application will be described more fully below with reference to the accompanying drawings; preferred embodiments of the present invention are shown in the accompanying drawings, however, the present invention can be realized in many different forms and is not limited to Embodiments described herein; on the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

It should be noted that the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for the purpose of illustration only and do not represent the only implementation Way.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field of the present invention; the terms used in the description of the present invention herein are only to describe specific implementations is not intended to limit the present invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Embodiment one

As shown in FIG. 1 to FIG. 5 , the remote-controllable water quality sampling vessel of the present application includes a hull 100 and a sampling assembly 200 .

The hull 100 is provided with a remote control module and a hull drive system, and travels and samples are carried out under remote control. The remote control module and the hull drive system are all existing technologies, and will not be repeated here.

The sampling assembly 200 is used for sampling under the control of the remote control module, and includes a plurality of sampling units 210, a supporting column 220, a lifting assembly and a pumping assembly 230;

The number of the sampling unit 210 is greater than 4, and a plurality of sampling units 210 are fixed together in pairs and arranged in a row; the sampling unit 210 includes a storage box 211 and an elastic diaphragm 212;

The storage box 211 is a rectangular hollow block, used to carry the elastic diaphragm 212; the elastic diaphragm 212 is a rubber elastic film, fixed on the inner wall of the storage box 211, and divides the inner space of the storage box 211 into two parts. Two: the elastic diaphragm 212 separates the space in the storage box 211 into a liquid warehouse 213 and an air warehouse 214; two opposite faces of the storage box 211 are respectively provided with an inlet 215 and a suction inlet 216, both of which It is a through hole; the inlet 215 is communicated with the gas chamber 214, and the suction port 216 is communicated with the liquid chamber 213; the inlet 216 is fixed with a liquid inlet check valve 217, and the liquid inlet check valve 217 plays a role in ensuring that the liquid chamber The water in 213 can only go in and out; the storage box 211 is also provided with an output hole, which communicates with the liquid tank 213 and is provided with an upper cover, which is closed under normal conditions and opened when the sample is poured out and the storage box 211 is cleaned.

The carrying column 220 is cylindrical, fixed on one of the storage boxes 211 located at the end, and used to support and fix the pump assembly 230; the length of the carrying column 220 is more than 4 times the height of the storage box 211;

The lifting assembly is fixed on the hull 100, and is used to drag or pull the combination of the storage box 211 and the carrying column 220 to move, and then obtain water samples of different water depths; the structure of the lifting assembly is a winch structure, a drum structure and/or arm structure;

The main body of the gas pump assembly 230 is a pump, which plays a role in controlling the amount of gas in each gas chamber 214 .

When the water quality sampling ship that can be remotely controlled in the embodiment of the present application is actually used: after the hull 100 moves to the target sampling position, the lifting component controls the depth of the sampling unit 210, and the pumping component 230 controls the gas volume in one or more gas chambers 214 , so that the air pressure in the air chamber 214 is reduced so that the elastic diaphragm 212 moves toward the air chamber 214 to take samples; the sampling assembly 200 is always located in the water when the hull 100 is moving; the sampling volume is determined by the running time and operating power of the pumping air assembly 230 control. When cleaning, only the liquid chamber 213 needs to be cleaned, and the liquid chamber 213 can be rinsed (inhaled and discharged) by controlling the change of air pressure in the air chamber 214 during cleaning.

Preferably, as shown in Figure 1, the storage box 211 is a hard box; the bearing column 220 is a rigid column, and the bearing column 220 is fixed on the top of the sampling unit 210; the lifting assembly is a clip Hold the lift assembly 250, the clamp lift assembly 250 includes a support rod 251, a first rotation column 252 and a second rotation column 253; the support rod 251 is fixed on the hull 100 to support and fix the The role of the first rotating column 252 and the second rotating column 253; the first rotating column 252 and the second rotating column 253 are cylindrical, the side is provided with a rubber layer, and at least one built-in motor; the first rotating column 252 It is arranged symmetrically with the second rotating column 253 and has the same axial direction, and is respectively located on both sides of the bearing column 220 and is always close to (extruded) on the bearing column 220 or the sampling unit 210; the length direction of the bearing column 220 is the same as The length direction of the strip-shaped composition composed of the storage box 211 is the same; in actual use, the rotation of the first rotating column 252 and/or the second rotating column 253 will drive the sampling unit 210 to go up and down.

Preferably, as shown in FIG. 2 , the storage box 211 is a soft box body spliced by rubber soft plates; the lifting assembly includes a take-up roller 260; the take-up roller 260 is positioned on the hull 100 and It is a hoisting structure; the bearing column 220 is a soft rubber cylinder; the end of the bearing column 220 away from the sampling unit 210 is positioned on the take-up drum 260; The rotation controls the sampling unit 210 to move up and down.

Preferably, as shown in FIG. 3 , the pumping assembly 230 includes an air pump 231, an air valve 232 and an air delivery pipe 233. The air valve 232 is a distributing valve positioned on the air pump 231 and passed through the air delivery pipe 233 and the inlet 215. It is connected with each air chamber 214 , and in actual use, the air pressure in one or several air chambers 214 can be controlled by controlling the operation of the air valve 232 .

Preferably, as shown in Figure 4, in order to reduce the overall production cost of the air pump assembly 230, the air pump assembly 230 includes an air pump 231, an air valve 232, an air delivery pipe 233 and a displacement block 234; the air valve 232 is positioned at On the air pump 231; the air delivery pipe 233 is a spring hose, one end is positioned on the air valve 232, and the other end is positioned on the shift block 234; the shift block 234 is a slide block with built-in wheels and a motor; The first quick-insert joint 218 is fixed on the entrance 215; the second quick-insert joint 235 and the plug telescopic assembly are arranged on the shift pulley 234; At the same time, it is fixed on the shifting tackle 234, and the plug telescopic assembly is controlled to expand and contract, thereby assisting the insertion of the second push-in connector 235 into the first push-in connector 218 to conduct the gas path; one side of the sampling unit 210 is provided with A shift guide rail 236; the shift guide rail 236 is a hard straight guide rail or a soft cylindrical guide rail, fixed on the sampling unit 210, and is used to guide the movement of the shift trolley 234; the shift trolley 234 Controlled to slide on the shifting guide rail 236; in actual use, the air chamber 214 is in a closed state under normal conditions, when the shifting trolley 234 approaches a certain air chamber 214 and controls the second push-in connector 235 to insert into the first push-in When the connector 218 is connected, the air pump 231 communicates with the air chamber 214 .

Preferably, the displacement guide rail 236 is cylindrical and made of rubber, and is pasted and fixed on the sampling unit 210 .

The above-mentioned technical solutions in the embodiments of the present application have at least the following technical effects or advantages:

It solves the technical problems that the water body sampling device in the prior art is difficult to accurately sample water bodies at different water levels, the sampling effect is poor and the cleaning is inconvenient, and the water quality sampling ship can accurately sample water bodies at different water levels, and the sampling effect is good and Easy to clean effect.

Embodiment two

Considering that the sampling ship sometimes needs to go to a shallower channel for sampling, and in the scheme of the above-mentioned embodiment, due to the limitation of the structure of the sampling unit 210, it is generally located at the bottom during the 15th to 18th sampling in one voyage. The sampling unit 210 will extend into the water up to 1.5 meters. If sampling is to be carried out in waters with a water depth lower than 1.5 meters, it is necessary to reduce the number of samples taken in one voyage (sampling about 12 times and then return to the voyage to replace the sampling unit 210), or set more Group sampling assembly 200; the overall sampling process is more cumbersome when using the former method, and the cost is higher when using the latter method; if the sampling unit 210 is simply arranged in multiple rows, not only the gas path is complicated, but also it is not conducive to the movement of the shifting block 234;

In view of the above problems, the embodiment of the present application optimizes and improves the structure of the storage box 211 on the basis of the above embodiments, so that the sampling times of a single voyage and the applicability of sampling can be taken into account, specifically:

As shown in FIGS. 6 and 7 , the storage box 211 includes a hard outer shell 270 and a built-in soft bag 275 of rubber material that is fixed and closely attached to the inner wall of the hard outer shell 270 ;

As shown in Figures 8 and 9, the hard outer shell 270 includes a first plate group 271, a second plate group 272 and a connecting bearing rod 273; the first plate group 271 and the second plate group 272 have the same structure and are arranged symmetrically. The two are hinged together through two connecting bearing rods 273; In the shape of a cross, it can also be transformed into a hollow quadrangular prism with an opening on one side; the combination of the first plate body group 271 and the second plate body group 272 is a hollow quadrangular prism; the first plate body group 271 and the second plate body group 272, four of the surfaces that are close to each other are hinged together by two connecting bearing rods 273; the axial direction of the two connecting bearing rods 273 is the same and the same as the length direction of the surface that is close to it; the first plate On the body group 271 and the second plate body group 272, other surfaces that are close to each other are provided with combined magnets. The combined magnets are magnet sheets or magnet strips. Body groups 272 are adsorbed together;

The first plate body group 271 and/or the second plate body group 272 are provided with a perforation hole 274; the liquid inlet check valve 217 and the first quick-plug connector 218 are both fixed on the built-in soft bag 275 , and pass through the first plate group 271 and/or the second plate group 272 from the hole 274;

A plurality of hard outer casings 270 are closely attached and fixed together, arranged in a row; the hard outer casings 270 are closely attached to each other and fixed surfaces are all positioned with plate-shaped adsorption electromagnets 277, and the adsorption electromagnets 277 are adsorbed on when energized. Together.

In actual use:

When not sampling, the storage box 211 is in a flat state;

When sampling is required, the shift trolley 234 is controlled to slide along the shift guide rail 236 to a position close to the storage box 211 where the sampling operation is about to be performed; then the second push-in connector 235 is controlled to be inserted into the first push-in connector 218, so that the gas path is connected;

Afterwards, the air pump assembly 230 is controlled to pump air into the built-in soft bag 275, so that the hard outer shell 270 is stretched, changed from flat to square and shaped under the magnetic force of the combined magnet; The gas in the gas chamber 214 inside is pumped out for sampling.

Preferably, in order to facilitate the movement of the shifting trolley 234, the sampling unit 210 close to the bearing column 220 performs sampling first.

Preferably, in order to further ensure the accuracy of the sample taken, when the hull 100 travels to 2 to 3 meters close to the target sampling point, the sampling unit 210 that will be used as a sampling container is controlled to expand and shrink multiple times, and then the water flow is stirred to realize automatic sampling. clean.

Preferably, as shown in Figure 6, the storage box 211 is also provided with a gas outlet check valve 237 and an air delivery conduit 238, the gas outlet check valve 237 communicates with the liquid bin 213 to ensure that the gas in the liquid bin 213 can only go out and not In; the gas delivery conduit 238 guides the gas output from the gas outlet one-way valve 237 to the liquid inlet one-way valve 217; in actual use, a certain amount of gas can be reserved in the liquid warehouse 213; when the built-in soft bag 275 expands, The gas in the liquid tank 213 is squeezed out and impacts the liquid inlet check valve 217, thereby realizing further cleaning.

Preferably, as shown in FIG. 10 , the built-in soft capsule 275 is detachably and fixedly connected in the hard outer casing 270 through a combination component 276, and the built-in soft capsule 275 can be directly removed and transferred after the sampling is completed; the combination component 276 For Velcro or clasp.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. All modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A water quality sampling ship capable of remote control, comprising a hull (100) and a sampling assembly (200) provided with a remote control module and a hull drive system, characterized in that: The sampling assembly (200) includes a plurality of sampling units (210), a bearing column (220), a lifting assembly and a pumping assembly (230); the number of the sampling units (210) is greater than 4, and they are fixed together in pairs, line up; The sampling unit (210) comprises a rectangular hollow block storage box (211) and an elastic diaphragm (212); The elastic diaphragm (212) is fixed on the inner wall of the storage box (211), divides the inner space of the storage box (211) into two, and separates it into a liquid chamber (213) and an air chamber (214); The storage box (211) is provided with an access port (215) and a suction port (216); the suction port (216) is fixed with a liquid inlet check valve (217); An output hole is provided, and the output hole communicates with the liquid tank (213) and is provided with an upper cover; The carrying column (220) is cylindrical and fixed on one of the storage boxes (211) at the end; The lifting assembly is fixed on the hull (100), and is used to drag or pull the combination of the storage box (211) and the carrying column (220) to move; The main body of the gas pump assembly (230) is a pump, which plays a role in controlling the gas volume in each gas chamber (214). 2. The water quality sampling ship capable of remote control as claimed in claim 1, characterized in that: the storage box (211) is a hard box body; the bearing column (220) is a hard cylinder, and the bearing column ( 220) fixed on the top of the sampling unit (210); The lifting assembly is a clamping and lifting assembly (250), and the clamping and lifting assembly (250) includes a support rod (251), a first rotating column (252) and a second rotating column (253); The support rod (251) is fixed on the hull (100) to support and fix the first rotating column (252) and the second rotating column (253); The first rotating column (252) and the second rotating column (253) are both cylindrical, with a rubber layer on the side, and at least one built-in motor; The first rotating column (252) and the second rotating column (253) are symmetrically arranged and have the same axial direction, are respectively located on both sides of the bearing column (220) and are always in close contact with the bearing column (220) or the sampling unit ( 210) on; The length direction of the carrying column (220) is the same as the length direction of the elongated composition composed of the storage box (211); In use, the rotation of the first rotating column (252) and/or the second rotating column (253) will drive the sampling unit (210) to go up and down. 3. The water quality sampling ship capable of remote control as claimed in claim 1, characterized in that: the storage box (211) is a soft box body spliced by soft rubber plates; The lifting assembly includes a retracting drum (260); the retracting drum (260) is positioned on the hull (100) and is a hoisting structure; the bearing column (220) is a soft rubber cylinder; the bearing The end of the column (220) away from the sampling unit (210) is positioned on the take-up drum (260); during use, the sampling unit (210) can be controlled to lift by controlling the rotation of the take-up drum (260). 4. The water quality sampling ship capable of remote control as claimed in claim 1, characterized in that: the pumping assembly (230) includes an air pump (231), an air valve (232) and an air pipe (233), the air The valve (232) is a distributing valve, positioned on the air pump (231), and connected to each air chamber (214) through the air delivery pipe (233) and the inlet (215). When in use, it can be controlled by the air valve (232) The operation controls the air pressure in some or some air chambers (214). 5. The water quality sampling ship capable of remote control as claimed in claim 1, characterized in that: the pumping assembly (230) includes an air pump (231), an air valve (232), an air pipe (233) and a shifting block (234); the air valve (232) is positioned on the air pump (231); the air delivery pipe (233) is a spring hose, one end is positioned on the gas valve (232), and the other end is positioned on the shift block (234 ); the shift block (234) is a slider with built-in wheels and a motor; the first quick-plug joint (218) is fixed on the access port (215); The second quick-plug joint (235) and the plug telescopic assembly; the plug telescopic assembly is a telescopic rod structure, fixed on the second quick-plug joint (235) and fixed on the shift pulley (234) at the same time, the plug telescopic assembly is control to expand and contract to assist the insertion of the second push-in connector (235) into the first push-in connector (218) to conduct the gas path; one side of the sampling unit (210) is provided with a displacement guide rail (236); the The displacement guide rail (236) is a hard straight guide rail or a soft cylindrical guide rail, which is fixed on the sampling unit (210) and is used to guide the movement of the shift trolley (234); the displacement trolley (234 ) is controlled to slide on the shifting guide rail (236); during use, the gas bins (214) are in a closed state under normal conditions, and when the shifting pulley (234) approaches a certain gas bin (214) and controls the second fastest When the plug joint (235) is inserted into the first quick plug joint (218), the air pump (231) communicates with the air chamber (214). 6. The water quality sampling ship capable of remote control as claimed in claim 5, characterized in that: the storage box (211) comprises a hard outer shell (270) and is fixed and closely attached to the inner wall of the hard outer shell (270). The built-in soft bag (275) of the rubber material on the top; The hard outer shell (270) includes a first board group (271), a second board group (272) and connecting bearing rods (273); The first plate body group (271) and the second plate body group (272) have the same structure and are symmetrically arranged, and the two are hinged together through two connecting bearing rods (273); the first plate body group (271) It is composed of 5 hard boards hinged to each other, and the first board group (271) is stretched and tiled to form a cross shape as a whole; The combination of the first plate body group (271) and the second plate body group (272) is in the shape of a hollow quadrangular prism; Four of the faces on the first plate body group (271) and the second plate body group (272) that are close together are hinged together by two connecting bearing rods (273); The axial directions of the two connecting bearing rods (273) are the same and the same as the length direction of the surface that is close to it; On the first board group (271) and the second board group (272), other surfaces that are close to each other are provided with combined magnets. The combined magnets are magnet sheets or magnet strips. The body group (271) and the second plate body group (272) are adsorbed together; A plurality of hard outer casings (270) are closely attached and fixed together and arranged in a row; plate-shaped adsorption electromagnets (277) are positioned on the surfaces where the hard outer casings (270) are closely attached to each other and fixed, and the adsorption electromagnetic Iron (277) adsorbs together when electrified. 7. The water quality sampling ship capable of remote control according to claim 6, characterized in that: when sampling, the sampling unit (210) close to the bearing column (220) performs sampling first. 8. The water quality sampling ship capable of remote control as claimed in claim 6 or 7, characterized in that: when the hull (100) advances to 2 to 3 meters near the target sampling point, the sampling unit ( 210) perform expansion and contraction for many times, and then stir the water flow to realize self-cleaning. 9. The water quality sampling ship capable of remote control as claimed in claim 6, characterized in that: the storage box (211) is also provided with an air outlet one-way valve (237) and an air delivery conduit (238), and the air outlet one-way The valve (237) communicates with the liquid tank (213) to ensure that the gas in the liquid tank (213) can only go out but not in; the gas delivery conduit (238) guides the gas output from the gas outlet check valve (237) to the liquid inlet One-way valve (217); when in use, reserve a certain amount of gas in the liquid tank (213); when the built-in soft bag (275) expands, the gas in the liquid tank (213) is squeezed out and impacts the liquid inlet check valve (217). 10. The water quality sampling ship capable of remote control according to claim 6, characterized in that: the built-in soft bag (275) is detachably and fixedly connected in the hard outer shell (270) through a combination component (276), and the sampling After completion, the built-in soft bag (275) can be directly removed and transferred; the combination component (276) is a Velcro or a button.