CN110333095B - Deep sea suction type plankton sampler - Google Patents
Deep sea suction type plankton sampler Download PDFInfo
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- CN110333095B CN110333095B CN201910630193.1A CN201910630193A CN110333095B CN 110333095 B CN110333095 B CN 110333095B CN 201910630193 A CN201910630193 A CN 201910630193A CN 110333095 B CN110333095 B CN 110333095B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses a deep sea suction type plankton sampler, which is used for sampling plankton near hydrothermal ports at different depths. The invention has small volume and light weight, is suitable for various loadable instruments, puts in the instrument by sitting on the bottom, samples plankton in fixed point and fixed time and quantitative mode, has high sampling success rate, can effectively avoid the destruction and pollution of plankton bodies when sampling in large flow by the structural design of the water absorption device, and is automatically controlled underwater or triggered by a mechanical arm and other triggering mechanisms to be started.
Description
Technical Field
The invention relates to the field of marine organism sampling, in particular to a deep sea suction type plankton sampler.
Background
Deep sea biology research requires the taking of samples of plankton or benthic organism larvae. A large amount of water samples need to be filtered when plankton samples are obtained, and currently, a trawl sampling method is mainly adopted, but trawl sampling can only finish plankton sampling of a large-area water body, and is not suitable for fixed-point sampling. In recent years, the research on the life science of deep sea hot liquid openings and cold spring openings has become a hot spot, only platforms such as cable remote control underwater robots and manned submersible vehicles can reach sampling points at present, and the platforms cannot carry out large-volume trawling operation, so that the research on deep sea plankton and larvae is relatively slow at present. Deep sea life science research urgently needs a plankton sampler which is convenient to carry by a deep sea submersible and filters large volume of water.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a deep sea suction type plankton sampler which can be conveniently carried on different deep sea submersible platforms and is clamped or put in special habitats such as deep sea hot liquid ports, cold spring ports and the like by a manipulator to carry out fixed-point sampling on plankton or benthos larvae.
The technical scheme of the invention is as follows: the utility model provides a deep sea suction-type plankton sampler, includes the main part bracket, its characterized in that: the water absorption core device is connected with the flowmeter observation tube through a pipeline, a flowmeter is arranged in the flowmeter observation tube, the filter screen cloth is arranged below the flowmeter observation tube, and a collecting bottle is arranged below the filter screen cloth.
The water absorption core device comprises a water taking device water outlet connecting cover, a blade protecting shell, an output connecting shaft, a centrifugal blade device, a centrifugal blade stop block, a biological escape prevention check device, an oil charge motor, a motor protecting shell, a voltage-resistant drive control unit and a motor protecting shell end cover, wherein the oil charge motor is fixed in the motor protecting shell, the voltage-resistant drive control unit is arranged below the oil charge motor, the oil charge motor is connected with the output connecting shaft, the centrifugal blade device and the centrifugal blade stop block are arranged on the output connecting shaft, the motor protecting shell end cover is arranged below the motor protecting shell, the blade protecting shell is arranged above the motor protecting shell, the blade protecting shell is provided with a water taking device outlet connecting cover, the water taking device outlet connecting cover is connected with a pipeline, and the biological escape prevention check device is arranged in the blade protecting shell, the biological escape prevention check device is axially limited by the centrifugal paddle stop block.
The main part bracket includes the support frame, and the protection wallboard, the unsettled fixation clamp of sampler, embedded revolving door, the duck tongue is detained, interior draw-in groove piece, division board, power fixed plate and guard plate combination piece, the protection wallboard, the unsettled fixation clamp of sampler, embedded revolving door, the duck tongue is detained, interior draw-in groove piece, division board, power fixed plate, guard plate combination piece are established on the support frame.
The support frame includes that T type handle is violently managed, T type handle riser, bracing piece, gusset plate, connecting column, fixed plate and two square rings of bending are connected to the bottom, are equipped with a plurality of connecting columns between two square rings of bending, and the middle part of the square ring of bending at top is equipped with the gusset plate, be equipped with T type handle on the gusset plate, be equipped with bottom connection fixed plate in the square ring of bending of bottom.
The power supply control unit comprises a bolt device moving pin, a bolt device fixing block, a spring, glass balls, a power supply cabin body end cover, a proximity switch, a watertight connector, a power supply cabin body, a rechargeable battery, a threaded connecting rod and a fixing plate, wherein the power supply cabin body end cover is arranged above the power supply cabin body, the bolt device fixing block is arranged on the power supply cabin body end cover, the bolt device moving pin is arranged on the bolt device fixing block, the spring and the glass balls are arranged in the bolt device fixing block, the bolt device moving pin is provided with an arc-shaped groove, the glass balls are respectively contacted with the spring and the arc-shaped groove, the proximity switch is arranged below the bolt device moving pin and is fixed on the power supply cabin body end cover, the rechargeable battery is arranged in the power supply cabin body and is connected on the power supply cabin body end cover after being clamped by the threaded connecting rod and the fixing plate, and the end cover of the power cabin body is provided with a watertight connector.
The anti-biological-escape check device comprises a guide cover, a nylon rope, a cylindrical spring, a swing block, a pressing plate, a stainless steel wire, a connecting rod, a shell and a pin shaft, wherein the guide cover is arranged above the shell, the cylindrical spring is arranged at the center of the guide cover, the pressing plate is arranged below the cylindrical spring and is connected with one end of the connecting rod through the stainless steel wire, the other end of the connecting rod is connected with the swing block through the pin shaft, and the upper part of the swing block is connected with the shell through the nylon rope.
The end cover of the motor protection shell is provided with a gland, an oil bag and a water tight seat.
The output connecting shaft is connected with the motor protection shell through a deep groove ball bearing, the output connecting shaft is connected with the paddle protection shell through a ceramic bearing, and an auxiliary screw and a mechanical seal are arranged on the output connecting shaft.
The upper end of the flowmeter observation tube is provided with a flow calculation unit upper connecting cover, the lower end of the flowmeter observation tube is provided with a flow calculation unit lower connecting cover, the upper end of the flow calculation unit upper connecting cover is connected with the pipeline, the lower end of the flow calculation unit lower connecting cover is connected with the upper end of the filter net, and the flowmeter is suspended below the flow calculation unit upper connecting cover through a flowmeter fixing jackscrew.
The collecting bottle is connected with the lower end of the filter net through a collecting bottle fixing cover, and a collecting bottle water filtering gland is arranged on the collecting bottle.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention integrates sampling, filtering, sample calculation and power supply control into an independent whole body which is convenient to carry, has small volume and light weight, can be carried in various large-scale underwater instruments, and has simple operation and convenient sampling;
2. the invention can absorb water with large flow and filter the plankton around for sampling, and can change the flow of the sampler by adjusting the pressure-resistant driving control unit through the serial assistant, thereby fully sampling the seawater around the instrument;
3. the proximity plug pin device in the power supply control unit can enable the sampler to be conveniently operated on the ground and the water, and the moving pin on the sampler can move up and down through the mechanical arm to control the start and stop of the power supply, so that the defect that the instrument cannot be used for multiple times under water is overcome. When the loaded instrument equipment is not provided with a manipulator, the pressure-resistant drive control unit can be adjusted by the serial assistant to be set to be in timing drive control;
4. the anti-biological escape check device can be arranged in an instrument with a shaft rotating, the structural design of the anti-biological escape check device can prevent seawater from flowing backwards, seawater can not enter the device when the water absorption device does not work under the action of a cylindrical spring in the check device, two seals on the excircle of the check device are arranged, and the pollution of plankton at the source is effectively prevented at the position of the anti-biological escape check device.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the support frame of the present invention.
FIG. 3 is a schematic view of the main body bracket of the present invention.
Fig. 4 is a schematic cross-sectional view of a power control unit according to the present invention.
Fig. 5 is a perspective view of the water absorbing device of the present invention.
Fig. 6 is a schematic cross-sectional structure view of the water absorbing device in fig. 5.
FIG. 7 is a schematic cross-sectional view of the anti-biological back flow device in the water absorbing device of FIG. 6.
In the figure: 1, supporting a frame; 1-1T-shaped handle horizontal tube; 1-2T type handle riser; 1-3 support rods; 1-4 reinforcing plates; 1-5 connecting upright posts; 1-6 bottom is connected with a fixed plate; 1-7 bending the square ring; 2 a power supply control unit; 2-1, moving the pin by a bolt device; 2-2, fixing blocks of the bolt devices; 2-3 springs; 2-4 glass spheres; 2-5 power cabin end covers; 2-6 proximity switches; 2-7 watertight connectors; 2-8 power supply cabin bodies; 2-9 rechargeable batteries; 2-10 threaded connecting rods; 2-11 fixing plates; 3, protecting the wallboard; 4 suspending and fixing the sampler; 5, an embedded revolving door; 6, buckling the duck tongue; 7, an inner clamping groove block; 8, a separation plate; 9 a pipeline; 10 a connecting cover is arranged above the flow calculating unit; 11, fixing a jackscrew by the flowmeter; 12 a flowmeter sight tube; 13 a flow meter; 14, a connecting cover is arranged below the flow calculating unit; 15 filtering the netting; 16 a water absorbent core device; a water outlet connecting cover of the 16-1 water taking device; 16-2 blade containment vessel; 16-3 output connecting shafts; 16-4 centrifugal paddle means; 16-5 centrifugal paddle stops; 16-6 auxiliary helices; 16-7 a check device for preventing the escape of organisms; 16-7-1 guide cover; 16-7-2 nylon rope; 16-7-3 cylindrical springs; 16-7-4 swing blocks; 16-7-5 press plates; 16-7-6 stainless steel wire; 16-7-7 connecting rods; 16-7-8 shell; 16-7-9 pin shafts; 16-8 ceramic bearings; 16-9 mechanical seal; 16-10 deep groove ball bearings; 16-11 oil filled electric machines; 16-12 motor protection housings; 16-13 withstand voltage drive control unit; 16-14 motor protection shell end covers; 16-15 oil pockets; 16-16 pressing covers; 16-17 water tight seats; 17, fixing a cover of the collection bottle; 18 water filtering gland of the collecting bottle; 19 collecting the bottle; 20 power fixing plates; 21 guard plate combination blocks.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in figure 1, the suction type plankton sampler comprises a main body bracket, a power supply control unit, a water absorption device and a filtering collector. The main body bracket is a protective wall formed by sleeving a bending rod and a PP plate with light density and high strength, the core of the sampler is composed of a water absorption device consisting of a power supply driving motor driving a centrifugal paddle to rotate and a biological escape prevention check device 16-7 and a flowmeter 13, and a filter collector consisting of a filter net 15 and a collection bottle 19; the main body bracket comprises a support frame 1, a protective wall plate 3, a separation plate 8, a sampler suspension fixing clamp 4, a protective plate combination block and an embedded revolving door 5; the water absorption device and the filter collector are arranged on a protection plate of the main body bracket through a sampler suspension fixing clamp 4.
The power supply control unit 2 is arranged on a separation plate 8 on a fixed plate at the bottom of the support bracket to prevent electrochemical separation among different metal materials, and is connected and communicated with the water absorption device through watertight connectors 2-7 and an underwater communication cable; the flow calculation unit is connected with a water outlet of the water taking device through a pipeline 9; the collecting bottle 19 is connected to the flow calculating unit via the filter screen 15.
The water absorption device comprises an underwater oil-filled motor, a pressure-resistant drive control unit, an output connecting shaft, a biological escape prevention check device 16-7 and a biological damage prevention centrifugal paddle device; the oil-filled motor is fixed in the motor protective shell, and the voltage-resistant drive control unit 16-13 is fixed at the rear side of the underwater oil-filled motor 16-11 and controls the start and stop of the oil-filled motor 16-11; the output connecting shaft 16-3 is directly connected with a motor shaft, and oil leakage does not occur during rotation through two bearings and mechanical seal.
As shown in fig. 2 and 3, the main body bracket includes a support frame 1 made of a bent rod and a protection wall formed by splicing lightweight and high-strength plates. The support frame 1 is composed of a T-shaped handle consisting of a T-shaped handle transverse tube 1-1 and a T-shaped handle vertical tube 1-2, the T-shaped handle is arranged on a bent square ring 1-7 through a support rod 1-3 and a reinforcing plate 1-4, the T-shaped handle can be conveniently grabbed by a manipulator, the reinforcing plate plays a role in stabilization and connection, the T-shaped handle vertical tube 1-2 can be simultaneously connected with the support rod 1-3 and the reinforcing plate 1-4, the stress area is increased when the support frame is used, the bent square ring 1-7 at the bottom of the support frame 1 is connected through five parallel upright rods 1-5, a connecting and fixing plate 1-6 at the bottom is connected with the support rod 1-3 and the bent square ring 1-7 at the bottom in order to bear the weight of a power supply control unit 2, wherein five parallel upright columns 1-5 in the support frame 1 play a role in supporting a framework in the invention, simultaneously still play the tie that each protective wall board 3 and embedded revolving door 5 are connected, the circular arc slot that sets up on the protective wall board just in time blocks the position department at stand place, and each protective wall board cup joints the cooperation through protective plate combination piece 21 and fixes, and in order to strengthen the security when using, support frame 1 adopts the integral welding.
As shown in fig. 2 and 3, in order to prevent the cabin body of the power supply control unit from being collided by the protection wall 3 during use, the length of the right side plate of the protection wall 3 is greater than the height of the cabin body of the power supply control unit, so that the upper part of the side plate is not suspended and is tightly matched with the support frame 1 through the power supply fixing plate 20, at the moment, a hole position in the middle of the power supply fixing plate 20 is coaxial with a jackscrew hole on the end cover 2-5 of the power supply cabin body of the power supply control unit 2, and the power supply control unit is fixed through bolts to prevent the cabin body from shaking during use. Because the materials of the bracket 1 and the power supply cabin body 2-8 in the power supply control unit 2 are different, in order to avoid the electrochemical reaction in seawater when different metal materials are contacted, an isolation plate 8 is added between the bracket 1 and the power supply cabin body, and two through holes on the connecting fixing plates 1-6 are fixed with the power supply control unit 2 through bolts and the isolation plate 8. In order to suspend the water absorption device 16 and the filtering collector in the space of the support frame 1, an upper and a lower suspended fixing clamps 4 of the sampler are adopted for clamping and fixing, the suspended fixing clamps 4 consist of a front symmetrical plate and a rear symmetrical plate, the front symmetrical plate and the rear symmetrical plate are matched and clamped with threaded holes on two sides of the support frame upright post 1-5 through bolts, two cross circular holes on the suspended fixing clamps 4 can simultaneously clamp the water absorption device and the filtering collector, a small hole in the middle of the suspended fixing clamps 4 of the sampler can be used for placing an underwater communication cable connected with a power control unit and the water absorption device, and other redundant fixing modes of the communication cable are avoided. The design of the appearance circular arc of the suspended fixing clamp 4 of the sampler can effectively avoid the space limitation on other parts, and the invention is more compact and reasonable in structural layout. When the water absorption device is used, the embedded type rotating door 5 is arranged for preventing other objects from scraping and colliding the water absorption device, the rotating door is embedded on the upright post 5 of the support frame through the inner clamping groove block 7 and the duck tongue buckle 6, so that the rotating door can be conveniently rotated and opened around the upright post when the water absorption device is observed and disassembled.
As shown in figure 4, the power supply control unit 2 comprises a proximity plug device, power supply cabin end covers 2-5, proximity switches 2-6, watertight connectors 2-7, power supply cabins 2-8, rechargeable batteries 2-9, threaded connecting rods 2-10 and fixing plates 2-11, wherein the proximity plug device comprises a plug device moving pin 2-1, a plug device fixing block 2-2, a spring 2-3 and a glass ball 2-4.
The approach bolt device is used as a switch of a power supply control unit, a moving pin 2-1 of the approach bolt device can move in a bolt device fixing block 2-2 hole processed by POM materials, the POM materials have a self-lubricating function, the moving pin 2-1 can not generate the phenomenon of shrinkage in the hole, a glass ball 2-4 is tightly attached to the surface of the moving pin through the telescopic action of a spring 2-3, in order to realize that a pin shaft can stop at a certain position, two circular arc grooves and two opposite tangent planes are arranged on the cylindrical surface of the moving pin 2-1 so as to facilitate the smooth sliding of the glass ball in the two grooves, the approach bolt device is arranged above the approach switch, the approach bolt device is fixed with an end cover 2-5 of a power supply cabin body through a bolt, the moving pin 2-1 and the approach switch 2-6 are coaxially arranged, and the approach switch is switched on and off by sensing the distance of a metal object above the approach switch, when the glass ball slides to the groove below the moving pin 2-1, the power supply is cut off, and when the glass ball moves into the groove above, the glass ball is powered on, and the structure design close to the plug pin device is convenient for a human hand and a mechanical arm to operate in different occasions.
18650 rechargeable batteries 2-9 and a low-power-consumption power management system which are formed by connecting rechargeable lithium batteries in series and in parallel are packaged in the power control unit cabin, the power control unit cabin is clamped by threaded connecting rods 2-10 and fixing plates 2-11 and then is fixedly connected to an end cover below an end cover 2-5 of the power cabin through copper columns, a wire passing space is reserved between the fixing plate above and the end cover of the power cabin, and a watertight connector 2-7 is arranged to be connected with a power supply and a proximity switch. O-shaped ring seals are arranged on the matching surfaces of the power supply cabin body 2-8 and the power supply cabin body end cover 2-5 to prevent the interior of the power supply control unit from being submerged under water. The power cabin body end cover is internally provided with a proximity switch which is used as a motor to start and stop, a proximity bolt device is arranged above the proximity switch, a bolt is locked in a groove of the movable rod through a glass ball and a spring, and the power is switched on and off in the pressing and pulling process of the movable rod, so that a manipulator or other trigger mechanisms can operate underwater conveniently.
As shown in FIG. 5, the water absorption device comprises a pipeline 9, a connecting cover 10 above a flow calculation unit, a flowmeter fixing jackscrew 11, a flowmeter observation tube 12, a flowmeter 13, a connecting cover 14 below the flow calculation unit, a filter screen 15, a water absorption core device 16, a collecting bottle fixing cover 17, a collecting bottle water filtering gland 18 and a collecting bottle 19.
The surrounding seawater sucked by the water suction device through the water suction core device 16 flows through the flow calculation unit through the pipeline 9, then the seawater is filtered through the filter net 15, and the remaining plankton is adhered to the inner side of the net or suspended in the collection bottle 19. When seawater sucked by the water suction device flows through the flow calculation unit, blades of a flow meter 13 suspended on the connecting cover 10 above the flow calculation unit through a flow meter fixing jackscrew 11 rotate under the action of water flow, the flow meter counts, and a transparent flow meter observation pipe 12 is arranged to connect the connecting cover 10 above the flow calculation unit and the connecting cover 14 below the flow calculation unit for observing flow meter data conveniently. The upper and lower mouths of the filter screen clothes 15 are respectively clamped with the connecting cover 14 below the flow calculation unit and the collecting bottle fixing cover 17 through the hose clamp, the collecting bottle 19 is fixed below the collecting bottle fixing cover 17 through threaded connection, and the filter screen in the collecting bottle water filtering gland 18 above the collecting bottle 19 can filter the seawater in the collecting bottle fixing cover 17, so that samples are prevented from falling during sampling.
As shown in figure 6, the water absorption core device 16 comprises a water outlet connecting cover 16-1 of the water collector, a blade protective shell 16-2, an output connecting shaft 16-3, a centrifugal blade device 16-4, a centrifugal blade stop block 16-5, an auxiliary spiral 16-6, a biological escape prevention check device 16-7, a ceramic bearing 16-8, a mechanical seal 16-9, a deep groove ball bearing 16-10, an oil filling motor 16-11, a motor protective shell 16-12, a pressure-resistant drive control unit 16-13, a motor protective shell end cover 16-14, an oil bag 16-15, a POM gland 16-16 and a water tight seat 16-17.
A watertight seat 16-17 is arranged on the side surface of the end cover 16-14 of the motor protection shell and is communicated with a power supply through a cable, and the end cover 16-14 of the motor protection shell is fixed with the motor protection shell 16-12 through a nylon rope; the front end of the blade protective shell 16-2 is connected with the motor protective shell 16-12 through a bolt, and the rear end is connected with the water outlet connecting cover 16-1 of the water taking device through threads.
An oil-filled motor 16-11 is fixed in a stepped hole of a motor protection shell 16-12 through a bolt, wherein a pressure-resistant drive control unit 16-13 is fixedly connected at the rear end of the pressure-resistant drive control unit, in order to shorten the integral axial space of a water absorption core device 16, a motor shaft is directly connected with an output connecting shaft 16-3 through a key, coaxial rotary output is ensured through a deep groove ball bearing 16-10 matched in the motor protection shell 16-12 and a ceramic bearing 16-8 on a blade protection shell 16-2, and oil leakage is prevented by a mechanical seal 16-9 arranged on the output shaft. The biological escape prevention check device 16-7 arranged at the bottom of the inner hole of the blade protective shell 16-2 is axially limited by the centrifugal blade stop block 16-5 and sealed with the blade protective shell 16-2 through an O-shaped ring on the outer circular surface of the device, in order to prevent the output connecting shaft 16-3 from driving the anti-biological pollution device to rotate 16-7 when rotating, the spring and the slide block inside the output connecting shaft are not contacted with the output connecting shaft, the hexagonal design on the right side of the output connecting shaft is convenient for driving the auxiliary screw 16-6 and the centrifugal paddle device 16-4 with the same hexagonal matching hole when the output connecting shaft rotates, the tail end of the centrifugal blade device is axially limited and fixed by a locking nut, a guide cover of the centrifugal blade device 16-4 is in clearance fit with an inner hole of the blade protective shell 16-2, and is pressed and fixed by a water outlet connecting cover 16-1 of the water taking device connected with the rear end of the blade protecting shell. The centrifugal force that centrifugal paddle rotation produced drives the object around the water and gets into inside the equipment, can not produce the destruction to the plankton because centrifugal paddle's high-speed rotation, water absorption device goes out the water end and sets up mechanical type flowmeter, measures the suction current size.
In order to ensure that the water absorption core device works normally in water areas with different depths, oil in the water absorption core device is compressed by a spring and external sea water through an oil bag 16-15 arranged on an end cover 16-14 of a motor protection shell to compensate the pressure of the oil, so that the internal and external pressures of the water absorption core device are balanced, and a POM gland 16-16 arranged on the end cover 16-14 of the motor protection shell plays a role in fixing the oil bag 16-15 and also plays a role in guiding the oil bag 16-15 to stretch up and down under different pressures. In order to make the whole structure of the water absorption core device 16 light and small, the motor protection shell 16-12 and the motor protection shell end cover 16-14 are fixedly matched by a nylon rope, and the contact surfaces of the two are sealed by an O-shaped ring to prevent oil leakage.
As shown in FIG. 7, the non-return device 16-7 for preventing biological escape comprises a guide cover 16-7-1, a nylon rope 16-7-2, a cylindrical spring 16-7-3, a swinging block 16-7-4, a pressure plate 16-7-5, a stainless steel wire 16-7-6, a connecting rod 16-7-7, a shell 16-7-8 and a pin 16-7-9. The biological escape prevention check device drives the centrifugal paddle device 16-4 to rotate through the output shaft to generate negative pressure, so that the connecting rod mechanism is opened to drive the pressing plate 16-7-5 to compress the cylindrical spring 16-7-3, the cylindrical spring 16-7-3 rebounds to compress the connecting mechanism to be closed when the motor stops, and the mechanism of the biological escape prevention check device is not influenced by the rotation of the output connecting shaft 16-3; the side surface of the shell 16-7-8 is provided with a water passing elliptical hole, a water storage concave surface and a sealing groove, a link mechanism rotating groove and an end cover fixing groove are arranged above the shell, and an O-shaped ring is arranged in the sealing groove; the matching part of the guide cover 16-7-1 and the shell 16-7-8 is provided with a nylon rope groove, and the bottom is provided with a connecting rod mechanism guide groove and a pressure plate sliding guide hole.
When the water absorption device does not work, the swinging block 16-7-4 of the biological escape prevention check device is pressed by the cylindrical spring 16-7-3 to press the pressure plate 16-7-5 to drive the connecting rod 16-7-7 connected with the swinging block 16-7-4 to move, so that the swinging block is pressed in the U-shaped hole of the shell 16-7-8 and is sealed by the O-shaped ring arranged on the swinging block, the lug above the swinging block is arranged in the groove of the shell 16-7-8 in order to simplify the whole structure, and the nylon rope 16-7-2 connected with the guide cover 16-7-1 by the shell 16-7-8 passes through the lug hole and swings under the movement of the connecting rod 16-7-7. The connecting rod 16-7-7 is nested in a groove of the pressure plate 16-7-5 through a stainless steel wire 16-7-6, the space of the groove can be enough for the connecting rod to swing, the other side of the connecting rod is connected with a double lug seat positioned below the swinging block 16-7-4 through a pin shaft 16-7-9, the pressure plate 16-7-5 is extruded by a cylindrical spring 16-7-3 arranged in an inner hole of the guide cover 16-7-1 to move up and down, and the U-shaped groove in a cylinder below the guide cover 16-7-1 can limit the connecting rod 16-7-7 to move in the groove of the connecting rod to prevent the driven swinging block 16-7-4 from deviating.
When the invention is used underwater, the cylindrical spring 16-7-3 has a certain precompression force when the swinging block is closed, the swinging block cannot be opened under the condition that the difference between the internal pressure and the external pressure of the swinging block is not large, and the swinging block 16-7-4 is opened under the action of external water pressure by negative pressure generated when the output connecting shaft 16-3 rotates to drive the centrifugal paddle device 16-4 to finish water absorption. When the non-return device is used, in order to open the closed swing block 16-7-4 at the same time, a plurality of same connecting rod mechanisms are uniformly distributed around the non-return device, and the two O-shaped rings arranged on the shell 16-7-8 can effectively prevent planktons at different depths of the water absorption device from entering the device when the device submerges and polluting a water layer biological sample required.
The device can be conveniently carried on different deep sea submersible platforms, and the plankton or benthos larvae can be sampled at fixed points by clamping or putting the device in special habitats such as deep sea hot liquid ports, cold spring ports and the like through a manipulator. The water absorption capacity is large and can realize 4m3Above water sample filters, and the filter time is controllable, and accessible manipulator or other trigger mechanism realize opening of power under water and stop, also accessible time is sample regularly, easy operation, and the sample is convenient.
Claims (9)
1. The utility model provides a deep sea suction-type plankton sampler, includes the main part bracket, its characterized in that: the water absorption device comprises a water absorption core device (16), the filter collector comprises a flowmeter observation tube (12), a flowmeter (13), a filter screen cloth (15) and a collecting bottle (19), the water absorption core device (16) is connected with the flowmeter observation tube (12) through a pipeline (9), the flowmeter (13) is arranged in the flowmeter observation tube (12), the filter screen cloth (15) is arranged below the flowmeter observation tube (12), the collecting bottle (19) is arranged below the filter screen cloth (15), the water absorption core device (16) comprises a water outlet connecting cover (16-1) of a water taking device, a paddle protective shell (16-2), an output connecting shaft (16-3) and a centrifugal paddle device (16-4), a centrifugal paddle stop block (16-5), a check device (16-7) for preventing biological escape, an oil-filled motor (16-11), a motor protective shell (16-12), a voltage-resistant drive control unit (16-13) and a motor protective shell end cover (16-14), wherein the oil-filled motor (16-11) is fixed in the motor protective shell (16-12), the voltage-resistant drive control unit (16-13) is arranged below the oil-filled motor (16-11), the oil-filled motor (16-11) is connected with an output connecting shaft (16-3), the output connecting shaft (16-3) is provided with a centrifugal paddle device (16-4) and a centrifugal paddle stop block (16-5), the motor protective shell end cover (16-14) is arranged below the motor protective shell (16-12), a blade protective shell (16-2) is arranged above the motor protective shell (16-12), a water taking device outlet connecting cover (16-1) is arranged on the blade protective shell (16-2), the water taking device outlet connecting cover (16-1) is connected with a pipeline (9), a biological escape prevention check device (16-7) is arranged in the blade protective shell (16-2), and the biological escape prevention check device (16-7) is axially limited through a centrifugal blade stop block (16-5).
2. A deep sea aspiration plankton sampler as claimed in claim 1 wherein: the main part bracket includes support frame (1), and protection wallboard (3), the unsettled fixation clamp of sampler (4), embedded revolving door (5), the duck tongue is detained (6), interior draw-in groove piece (7), division board (8), power fixed plate (20) and guard plate combination piece (21), protection wallboard (3), the unsettled fixation clamp of sampler (4), embedded revolving door (5), duck tongue are detained (6), interior draw-in groove piece (7), division board (8), power fixed plate (20), guard plate combination piece (21) are established on support frame (1).
3. A deep sea aspiration plankton sampler as claimed in claim 2 wherein: the support frame (1) comprises a T-shaped handle transverse tube (1-1), a T-shaped handle vertical tube (1-2), a support rod (1-3), reinforcing plates (1-4), connecting stand columns (1-5), a bottom connecting fixing plate (1-6) and two bending square rings (1-7), a plurality of connecting stand columns (1-5) are arranged between the two bending square rings (1-7), the middle of the bending square ring (1-7) at the top is provided with the reinforcing plates (1-4), the T-shaped handle is arranged on the reinforcing plates (1-4), and the bottom connecting fixing plate (1-6) is arranged in the bending square ring (1-7) at the bottom.
4. A deep sea aspiration plankton sampler as claimed in claim 1 wherein: the power supply control unit (2) comprises a bolt device moving pin (2-1), a bolt device fixing block (2-2), a spring (2-3), a glass ball (2-4), a power supply cabin body end cover (2-5), a proximity switch (2-6), a watertight connector (2-7), a power supply cabin body (2-8), a rechargeable battery (2-9), a threaded connecting rod (2-10) and a fixing plate (2-11), a power supply cabin body end cover (2-5) is arranged above the power supply cabin body (2-8), a bolt device fixing block (2-2) is arranged on the power supply cabin body end cover (2-5), a bolt device moving pin (2-1) is arranged on the bolt device fixing block (2-2), a spring (2-3) and a glass ball (2-4) are arranged in the bolt device fixing block (2-2) The power supply plug is characterized in that the bolt device moving pin (2-1) is provided with an arc-shaped groove, the glass ball (2-4) is respectively contacted with the spring (2-3) and the arc-shaped groove, a proximity switch (2-6) is arranged below the bolt device moving pin (2-1), the proximity switch (2-6) is fixed on the power supply cabin body end cover (2-5), a rechargeable battery (2-9) is arranged in the power supply cabin body (2-8), the rechargeable battery (2-9) is clamped by a threaded connecting rod (2-10) and a fixing plate (2-11) and then is connected to the power supply cabin body end cover (2-5), and a watertight connector (2-7) is arranged on the power supply cabin body end cover (2-5).
5. A deep sea aspiration plankton sampler as claimed in claim 1 wherein: the non-return device (16-7) for preventing the biological escape comprises a guide cover (16-7-1), a nylon rope (16-7-2), a cylindrical spring (16-7-3) and a swinging block (16-7-4); the device comprises a pressure plate (16-7-5), a stainless steel wire (16-7-6), a connecting rod (16-7-7), a shell (16-7-8) and a pin shaft (16-7-9), wherein a guide cover (16-7-1) is arranged above the shell (16-7-8), a cylindrical spring (16-7-3) is arranged at the center of the guide cover (16-7-1), the pressure plate (16-7-5) is arranged below the cylindrical spring (16-7-3), the pressure plate (16-7-5) is connected with one end of the connecting rod (16-7-7) through the stainless steel wire (16-7-6), the other end of the connecting rod (16-7-7) is connected with a swinging block (16-7-4) through the pin shaft (16-7-9), the upper part of the swinging block (16-7-4) is connected with the shell (16-7-8) through a nylon rope (16-7-2).
6. A deep sea aspiration plankton sampler as claimed in claim 1 wherein: the motor protection shell end cover (16-14) is provided with a gland (16-16), an oil bag (16-15) and a water tight seat (16-17).
7. A deep sea aspiration plankton sampler as claimed in claim 1 wherein: the output connecting shaft (16-3) is connected with the motor protective shell (16-12) through a deep groove ball bearing (16-10), the output connecting shaft (16-3) is connected with the blade protective shell (16-2) through a ceramic bearing (16-8), and an auxiliary screw (16-6) and a mechanical seal (16-9) are arranged on the output connecting shaft (16-3).
8. A deep sea aspiration plankton sampler as claimed in claim 1 wherein: the upper end of flowmeter observation pipe (12) is equipped with flow calculation unit top and connects lid (10), and the lower extreme is equipped with flow calculation unit below and connects lid (14), the upper end that lid (10) were connected to flow calculation unit top links to each other with pipeline (9), the lower extreme that lid (14) were connected to flow calculation unit below links to each other with filter screen clothing (15) upper end, flowmeter (13) are through the below that lid (10) were connected to the suspension of the fixed jackscrew (11) of flowmeter in flow calculation unit top.
9. A deep sea aspiration plankton sampler as claimed in claim 1 wherein: the collecting bottle (19) is connected with the lower end of the filter net (15) through a collecting bottle fixing cover (17), and a collecting bottle water filtering gland (18) is arranged on the collecting bottle (19).
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| CN201910630193.1A CN110333095B (en) | 2019-07-12 | 2019-07-12 | Deep sea suction type plankton sampler |
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| CN111296373A (en) * | 2020-02-21 | 2020-06-19 | 琼台师范学院 | Collector for plankton |
| CN111528190B (en) * | 2020-04-29 | 2022-02-01 | 中国科学院深圳先进技术研究院 | Sampling device and imaging equipment |
| CN112485063B (en) * | 2020-11-12 | 2022-04-01 | 杭州寰瀛科技有限公司 | Self-suction type high-flow biological pump device based on magnetic drive and method thereof |
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| CN101487772B (en) * | 2009-02-19 | 2011-03-16 | 中国水产科学研究院黄海水产研究所 | Automatically layered quantitative sampler for skotoplankton |
| CN104155148B (en) * | 2013-10-21 | 2016-06-22 | 浙江大学 | The shallow sea bottom grab of dust-collecting type dynamical system |
| CN104215475A (en) * | 2014-09-19 | 2014-12-17 | 国家深海基地管理中心 | Filtering and sampling device for microorganisms at deep-sea hydrothermal vent |
| CN104568495A (en) * | 2014-12-29 | 2015-04-29 | 山东省科学院海洋仪器仪表研究所 | Deep sea plankton concentrating in-situ sampling system |
| CN205246392U (en) * | 2015-12-11 | 2016-05-18 | 国家深海基地管理中心 | Multistage enrichment sample thief of biological suction formula in deep sea |
| CN107328606B (en) * | 2017-07-21 | 2023-08-11 | 山东省科学院海洋仪器仪表研究所 | Deep sea pressure compensation sampling device based on double-piston self-adaptive pressure balance |
| CN109187104B (en) * | 2018-07-27 | 2021-03-12 | 中国科学院海洋研究所 | High-flux deep sea water sampling and graded filtering system |
| CN109916653A (en) * | 2019-02-25 | 2019-06-21 | 浙江大学 | A kind of Deep-Sea Microorganisms sampling apparatus based on foldable filter element structure |
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