Filtering and sampling device for marine environment monitoring
By sealing the water inlet tank with a piston block and using a combination of a servo motor to drive a lead screw and an internal threaded sleeve, the problem of existing devices being unable to automatically sample has been solved, enabling seawater extraction and filtration at a predetermined depth and ensuring the integrity of the samples.
Patent Information
- Application Number
- CN202422810635.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-18
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-11-18
AI Technical Summary
Existing marine environmental monitoring filter sampling devices cannot automatically sink into seawater to collect samples, nor can they extract seawater after reaching a predetermined depth.
A piston block is used to seal the inlet tank. A servo motor drives the lead screw and internal threaded sleeve to extract seawater from the sample storage cylinder after reaching a predetermined depth. The sampling is then carried out by controlling the release and retraction of the rope using a geared motor.
It enables automatic sampling at a predetermined depth, prevents seawater from entering the sample storage cylinder, and allows the sample storage cylinder to be pulled up after sampling. The filter screen prevents seaweed and fish from entering, and the exhaust one-way valve discharges gas to ensure the integrity of the seawater sample.
Smart Images

Figure CN223678880U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to marine environment monitoring technical field, concretely relates to a filtering sampling device for marine environment monitoring. BACKGROUND
[0002] Marine environment monitoring acts on marine ecological environment protection, and the main purpose of marine environment monitoring is to comprehensively and timely grasp marine environment condition, assess marine resources, predict marine disaster and protect marine biodiversity, and seawater sampling is the main content of marine environment monitoring.
[0003] The existing filtering sampling device for marine environment monitoring cannot automatically fill the inside after sinking into seawater, and cannot sample after the sampling cylinder sinks to the predetermined depth, therefore the filtering sampling device for marine environment monitoring is provided, the piston block seals the water inlet groove, opens the servo motor after the sample storage cylinder sinks to the predetermined depth, drives the piston block to move up through the screw rod and the internal thread sleeve, and seawater is drawn into the sample storage cylinder through the water inlet groove. SUMMARY
[0004] In view of the problems in the prior art, the utility model provides a filtering sampling device for marine environment monitoring, the piston block seals the water inlet groove, opens the servo motor after the sample storage cylinder sinks to the predetermined depth, drives the piston block to move up through the screw rod and the internal thread sleeve, and seawater is drawn into the sample storage cylinder through the water inlet groove.
[0005] The utility model solves the technical problems by adopting the technical scheme of a filtering sampling device for marine environment monitoring, which comprises a structure frame, a speed reducer motor is installed on one side of the structure frame through a mounting frame, a winding disc is rotatably connected in the structure frame through a bearing, a rope is fixedly wound on the outer side of the winding disc, and a sample storage cylinder is arranged at the bottom end of the rope;
[0006] An suction assembly is arranged in the sample storage cylinder, the suction assembly comprises a servo motor installed on the top of the sample storage cylinder through a mounting frame, a screw rod is connected to the output shaft of the servo motor at the bottom through a connecting sleeve, a piston block is arranged on the outer side of the screw rod of the structure frame, an internal thread sleeve is fixedly sleeved at the top end of the piston block, and the internal thread sleeve is sleeved on the outer side of the screw rod.
[0007] By adopting the above technical scheme, the speed reducer motor drives the winding disc to rotate for winding and unwinding, the sample storage cylinder is lowered or pulled up through the rope, the servo motor works to drive the piston block to move up through the screw rod and the internal thread sleeve, and seawater can be drawn into the sample storage cylinder after the sample storage cylinder sinks to the predetermined depth.
[0008] Specifically, limit strips are welded on the inner sides of the sample storage cylinder, limit sliding grooves are formed in the two sides of the piston block, and the limit sliding grooves are sleeved on the outer sides of the limit strips.
[0009] Specific, the water inlet groove is internally fixed with a filter screen through bolts.
[0010] Specific, the top of the structure frame is connected with an exhaust one-way valve through a threaded groove, and the bottom of the structure frame is fixed with a counterweight taper block through bolts.
[0011] Specific, the output shaft of the speed reducer is connected with the rotating shaft of the winding disc through a connecting sleeve, the bottom of the structure frame is provided with a reserved groove, and the rope penetrates through the reserved groove.
[0012] Specific, the rope is composed of a steel wire rope and a corrosion-resistant sleeve, the corrosion-resistant sleeve is arranged on the outer side of the steel wire rope, and a scale table is engraved on the outer side of the corrosion-resistant sleeve.
[0013] Specific, the sample storage cylinder is made of stainless steel.
[0014] The beneficial effects of the utility model are as follows:
[0015] (1) the filter sampling device for marine environment monitoring, the piston block blocks the water inlet groove, and the seawater cannot enter the sample storage cylinder when the sample storage cylinder sinks into the seawater, when the sample storage cylinder sinks to the predetermined depth, the servo motor driven screw is rotated, the screw rotates to push the inner threaded sleeve and the piston block on the outer side to move upwards, the seawater is pumped into the sample storage cylinder from the water inlet groove, and the seawater in the sample storage cylinder cannot flow out due to the negative pressure effect.
[0016] (2) the filter sampling device for marine environment monitoring, the winding disc is rotated by opening the speed reducer, the winding disc is rotated to pay out the rope, the sample storage cylinder at the bottom end of the rope moves downwards and deep into the seawater, after the seawater sampling is completed, the winding disc is rotated again by opening the speed reducer, the rope is wound to the outer side, the sample storage cylinder after being pulled up, the filter screen in the water inlet groove can play a filtering role, preventing seaweed, fish and the like from entering the sample storage cylinder, and the exhaust one-way valve is arranged to discharge the gas in the sample storage cylinder when the piston block moves upwards. BRIEF DESCRIPTION OF DRAWINGS
[0017] The utility model is further described below in combination with the drawings and examples.
[0018] Figure 1 It is the whole structure schematic view of the utility model;
[0019] Figure 2 It is the structure frame structure schematic view of the utility model;
[0020] Figure 3 It is the internal structure schematic view of the sample storage cylinder of the utility model;
[0021] Figure 4 It is the rope structure schematic view of the utility model;
[0022] In the diagram: 1. Structural frame; 2. Sample storage cylinder; 3. Winding disc; 4. Gear motor; 5. Rope; 501. Steel wire rope; 502. Anti-corrosion sleeve; 503. Scale; 6. Suction assembly; 601. Servo motor; 602. Piston block; 603. Lead screw; 604. Internal threaded sleeve; 7. Exhaust check valve; 8. Water inlet tank; 9. Filter screen; 10. Limiting strip; 11. Limiting slide; 12. Counterweight cone; 13. Reserved slot. Detailed Implementation
[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0024] The piston block seals the inlet tank. After the sample storage cylinder reaches a predetermined depth, the servo motor is activated, driving the piston block upwards via a lead screw and internal threaded sleeve. This pumps seawater into the sample storage cylinder through the inlet tank. Figures 1-3 As shown, the marine environmental monitoring filter sampling device of this utility model includes a structural frame 1. A geared motor 4 is installed on one side of the structural frame 1 via a mounting bracket. A winding disc 3 is rotatably connected inside the structural frame 1 via a bearing. A rope 5 is wound and fixed on the outside of the winding disc 3. A sample storage cylinder 2 is provided at the bottom end of the rope 5.
[0025] The sample storage cylinder 2 is equipped with a suction assembly 6. The suction assembly 6 includes a servo motor 601 mounted on the top of the sample storage cylinder 2 via a mounting bracket. The bottom output shaft of the servo motor 601 is connected to a lead screw 603 via a connecting sleeve. A piston block 602 is provided on the outside of the lead screw 603 on the structural frame 1. An internal threaded sleeve 604 is fixedly fitted on the top of the piston block 602. The internal threaded sleeve 604 is fitted on the outside of the lead screw 603.
[0026] In use, the geared motor 4 drives the winding disc 3 to rotate for winding and unwinding. The sample storage cylinder 2 is lowered or pulled up by the rope 5. The servo motor 601 works to drive the piston block 602 to move up through the lead screw 603 and the internal threaded sleeve 604. After the sample storage cylinder 2 sinks to the predetermined depth, seawater can be pumped into the sample storage cylinder 2.
[0027] For example, such as Figure 3 As shown, the present invention also includes, on both sides of the inner side of the sample storage cylinder 2, a limiting strip 10 is welded, and on both sides of the piston block 602, a limiting groove 11 is provided, and the limiting groove 11 is sleeved on the outside of the limiting strip 10.
[0028] When in use, the limiting strip 10 and the limiting groove 11 are used to limit the piston block 602, which can prevent the piston block 602 from rotating with the lead screw 603 without affecting its up and down movement.
[0029] As shown in Figure 1 The utility model also includes, the water inlet groove 8 is established in the both sides of the sample storage cylinder 2, the filter screen 9 is fixed with in the water inlet groove 8 through bolt.
[0030] In use, the establishment of water inlet groove 8 is convenient for seawater to enter the sample storage cylinder 2, and the seawater in the sample storage cylinder 2 is convenient to flow out, and the filter screen 9 is used to filter seaweed, fish and the like.
[0031] As shown in Figure 1 , Figure 3 The utility model also includes, the exhaust one-way valve 7 is connected on the top of the structure frame 1 through the thread groove, the counterweight taper block 12 is fixed on the bottom of the sample storage cylinder 2 through bolt.
[0032] In use, the setting of exhaust one-way valve 7 is convenient for the discharge of gas in the sample storage cylinder 2 when the piston block 602 moves up, and the setting of counterweight taper block 12 makes the sample storage cylinder 2 sink into seawater.
[0033] As shown in Figure 2 The utility model also includes, the output shaft of one side of the speed reducer motor 4 is connected with the rotating shaft of winding disc 3 through connecting sleeve, the reserved slot 13 is established in the bottom of the structure frame 1, and the rope 5 penetrates the reserved slot 13.
[0034] In use, the speed reducer motor 4 is used to drive the rotation of winding disc 3, and the establishment of reserved slot 13 makes the structure frame 1 not affect the up and down movement of rope 5.
[0035] As shown in Figure 1 The utility model also includes, the rope 5 is composed of steel wire rope 501 and anticorrosive sleeve 502, the anticorrosive sleeve 502 is sleeved on the outside of steel wire rope 501, and the outside of anticorrosive sleeve 502 is engraved with scale table 503.
[0036] In use, the anticorrosive sleeve 502 is sleeved on the outside of steel wire rope 501, can prevent it from being corroded by seawater, and the setting of scale table 503 is convenient for personnel to understand the sinking depth of sample storage cylinder 2.
[0037] As shown in Figure 1 The utility model also includes, the sample storage cylinder 2 is made of stainless steel material.
[0038] In use, the sample storage cylinder 2 made of stainless steel material has high strength, good corrosion resistance, and is not easy to corrode and damage.
[0039] In use, personnel fix the structure frame 1 on the ship or detection platform by bolt, and connect the device with external power supply by power line.
[0040] The personnel open the deceleration motor 4 to drive the winding disc 3 to rotate, the winding disc 3 rotates to pay off wire, the bottom end of the rope 5 of the sample storage cylinder 2 is lowered and is deeply into the seawater;
[0041] The piston block 602 blocks the water inlet groove 8, when the sample storage cylinder 2 is sunk into the seawater, the seawater cannot enter the sample storage cylinder 2, when the sample storage cylinder 2 is sunk to the predetermined depth, the servo motor 601 is opened to drive the screw rod 603 to rotate, the screw rod 603 rotates to push the piston block 602 and the inner threaded sleeve 604 outside to move upwards, the seawater is drawn from the water inlet groove 8 to the sample storage cylinder 2, due to the negative pressure effect, the seawater drawn into the sample storage cylinder 2 cannot flow out;
[0042] After the seawater sampling is completed, the deceleration motor 4 is opened again to drive the winding disc 3 to rotate, the rope 5 is wound to the outside, the sample storage cylinder 2 after being pulled up, the filter screen 9 in the water inlet groove 8 can play a filtering role, preventing seaweed, fish and the like from entering the sample storage cylinder 2, the setting of the exhaust one-way valve 7 is used to exhaust the gas in the sample storage cylinder 2 when the piston block 602 moves upwards.
[0043] The basic principle, main features and advantages of the utility model are shown and described above. The technical personnel in the industry should understand that the utility model is not limited by the above embodiments, the above-mentioned implementation and the description in the specification are only to illustrate the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will also have various changes and improvements, these changes and improvements all fall within the scope of the utility model claimed to be protected. The protection scope of the utility model is defined by the appended claims and equivalents thereof.
Claims
1. A filtering sampling device for monitoring a marine environment, characterized by, Including structure frame (1), one side of structure frame (1) is installed with speed reducer motor (4) through mounting frame, the inside of structure frame (1) is rotatably connected with winding disc (3) through bearing, the outside of winding disc (3) is wound and fixed with rope (5), the bottom end of rope (5) is provided with sample storage cylinder (2); The inside of sample storage cylinder (2) is provided with suction assembly (6), suction assembly (6) includes servo motor (601) installed in the top of sample storage cylinder (2) through mounting frame, the bottom output shaft of servo motor (601) is connected with lead screw (603) through connecting sleeve, piston block (602) is arranged on the outside of lead screw (603) of structure frame (1), the top of piston block (602) is fixedly provided with internal thread sleeve (604), and internal thread sleeve (604) is sleeved on the outside of lead screw (603).
2. The filtering sampling device for monitoring marine environment according to claim 1, characterized in that, The inside of sample storage cylinder (2) is welded with limiting strip (10) on both sides, limiting slot (11) is formed on both sides of piston block (602), and limiting slot (11) is sleeved on the outside of limiting strip (10).
3. The filtering sampling device for monitoring marine environment according to claim 1, characterized in that, Water inlet groove (8) is formed on both sides of sample storage cylinder (2), and filter screen (9) is fixed in water inlet groove (8) through bolt.
4. The filtering sampling device for monitoring marine environment according to claim 1, characterized in that, The top of structure frame (1) is connected with exhaust one-way valve (7) through thread groove, and the bottom of sample storage cylinder (2) is fixed with counterweight taper block (12) through bolt.
5. The filtering sampling device for monitoring marine environment according to claim 1, characterized in that, The output shaft of one side of speed reducer motor (4) is connected with the rotating shaft of winding disc (3) through connecting sleeve, and the bottom of structure frame (1) is provided with reserved slot (13), and the rope (5) penetrates the reserved slot (13).
6. The filtering sampling device for monitoring marine environment according to claim 1, characterized in that, The rope (5) is composed of steel wire rope (501) and corrosion-resistant sleeve (502), the corrosion-resistant sleeve (502) is sleeved on the outside of steel wire rope (501), and the outside of corrosion-resistant sleeve (502) is engraved with scale table (503).
7. The filtering sampling device for monitoring marine environment according to claim 1, characterized in that, The sample storage cylinder (2) is made of stainless steel material.