CN112414772A

CN112414772A - A deep-sea automatic lifting layered water harvesting device

Info

Publication number: CN112414772A
Application number: CN202011115411.7A
Authority: CN
Inventors: 顾珂涵; 顾沈明; 宿刚; 吴远红
Original assignee: Zhejiang Ocean University ZJOU
Current assignee: Zhejiang Ocean University ZJOU
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-02-26
Anticipated expiration: 2040-10-19
Also published as: CN112414772B

Abstract

The invention discloses a deep-sea automatic lifting and stratified water harvesting device, comprising a sampling shell, the bottom of the sampling shell is provided with a lifting member for controlling its ascending and descending; The casing is provided with a plurality of sampling units, which are distributed equiangularly at the center of the sampling casing. The inner edge of the sampling casing is provided with a plurality of through openings, and the through openings communicate with the sampling openings provided on the inner side of the sampling unit. , a sampling limiter is accommodated in the middle of the sampling shell, and the sampling limiter can rotate along the axis of the sampling shell. The invention is a deep-sea automatic lifting and layered water harvesting device. By setting the adaptive pressure adaptor, the pressure increases continuously as the water harvesting device dives, so that the spring length and elastic coefficient of each group can be set in advance. Cooperate with the sampling limiter to control different sampling units for sampling and collection, which can more accurately collect water samples at different specific depths in the deep sea.

Description

Deep sea automatic rising layering water sampling device

Technical Field

The invention relates to the technical field of sampling equipment, in particular to a deep sea automatic lifting layered water sampling device,

background

The water sampling work is the important content of water environment scientific research and water environment protection and management work, and is the premise and the basis for smoothly carrying out various research works on the collection of water samples with different depths. The water bodies in the water areas are influenced by factors such as substances, water flow, temperature and the like to generate a layering effect, hydrological, physical, chemical, biological and other information of different water layers are different, and the acquisition and analysis of the difference of the water bodies in different layers are indispensable contents of subjects such as environmental science, ocean science and the like, and are widely applied to the practical fields such as water ecological environment evaluation, pollution accident investigation and the like.

Most of the existing water collectors are fixed-depth water collectors, namely, the water collectors are placed on a water layer at a specific depth through ropes, and then water samples are collected on the water layer at the depth through the water collectors; however, in the process of water collection, the specific seawater depth of each sea area is difficult to determine by operators; the conventional fixed-depth water sampler is inconvenient to operate when collecting deep-sea water samples and is difficult to accurately collect the water samples in different specific depths of the deep sea.

In order to solve the problems, the scheme is developed accordingly.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a deep sea automatic lifting layered water sampling device, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: an automatic lifting layered water sampling device for deep sea comprises a sampling shell, wherein a lifting piece for controlling the sampling shell to ascend and descend is arranged at the bottom of the sampling shell, the sampling shell is disc-shaped, the middle part of the shell is communicated up and down, a plurality of sampling units are arranged on the shell and distributed at equal angles by the center of the sampling shell, the inner edge of the sampling shell is provided with a plurality of through holes which are communicated with the collecting port arranged at the inner side of the sampling unit, the middle part of the sampling shell is accommodated with a sampling limit part, the sampling device can rotate along the axial lead direction of the sampling shell, the sampling limiting piece is tightly attached to the inner edge of the sampling shell in the circumferential direction, only one sampling unit is used for sampling and collecting, and change different sampling units at the rotation in-process and sample constantly, still include the self-adaptation pressure adapter, along with adopting the dive of water installation and pressure constantly increases, the self-adaptation pressure adapter can drive the sampling locating part under the effect of pressure and rotate.

Preferably, the sampling unit is including gathering box, conduction pipe, connector, the notch has been seted up at sampling casing top, gathers the box and can place in the notch, the entrance point of gathering the box and the conduction pipe looks gomphosis and communicate with each other, and the medial extremity of conduction pipe links to each other and communicates with each other with the connector, the connector links to each other with the sampling casing, and gathers the medial extremity that the mouth was seted up in the connector, the slope of conduction pipe sets up to outwards be the slope by gathering the box middle part and arrange downwards.

Preferably, the upside swing joint of sampling shell has the spacing lid that is annular, the bottom circumference of spacing lid is equipped with a plurality of fixture blocks, and the draw-in groove has been seted up to the corresponding department of sampling shell top circumference, and draw-in groove and fixture block each other, the outside end of gathering the box is connected with the extension lug, and spacing lid closes the in-process at the lid and extends the outside end that the lug comes spacing collection box through the pressfitting.

Preferably, the sampling locating part includes roating seat, pivot, gear, U-shaped bracing piece, the bottom of roating seat links to each other with the pivot, and the gear cup joints in the lower part of pivot, the one end of U-shaped bracing piece links to each other with the bottom of sampling casing, and the other end is located the middle part of sampling casing, the lower extreme pin joint of pivot is on the U-shaped bracing piece, the tip of U-shaped bracing piece still is connected with one and puts up the cladding that the gear surrounds, the roating seat is the disc, and the hollow part of sampling casing is hugged closely to its periphery, the middle part of roating seat is equipped with the notch, and radially has seted up a through-hole on the roating seat, the through-hole link up the outer wall of notch and roating seat.

Preferably, the adaptive pressure adapter comprises a hollow square frame, a transverse moving plate and a tooth plate with teeth arranged on one side, the square frame is fixedly arranged at the bottom of the sampling shell, the transverse moving plate is arranged in the square frame, two ends of the transverse moving plate are abutted to inner walls of two sides of the transverse moving plate, a spring is arranged between one side of the transverse moving plate and the inner wall of the square frame, the other side of the transverse moving plate is connected with the tooth plate, an opening is formed in the square frame and can be used for enabling the tooth plate to move relatively, and an opening is formed in one side of the coating frame facing the tooth plate and can be used for enabling the tooth plate and the gear of the corresponding position to be meshed with each other.

Preferably, the springs are provided with a plurality of groups, two groups of springs are used as one group, the lengths of the springs in each group are different, the springs in each group are symmetrically arranged in the middle of the square frame, and the number of the sampling units is the same as the number of the groups of the springs.

(III) advantageous effects

After adopting the technical scheme, compared with the prior art, the invention has the following advantages: according to the deep sea automatic lifting layered water sampling device, the self-adaptive pressure adapter is arranged, so that the pressure is continuously increased along with submergence of the water sampling device, the length and the elastic coefficient of each group of springs can be set in advance, different sampling units are controlled to perform sampling collection by matching with the sampling limiting parts, and water samples in different specific depths of deep sea can be accurately collected.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an overall view of the disassembled position-limiting cover of the present invention;

FIG. 3 is an overall view of the disassembled rotary base of the present invention;

FIG. 4 is a schematic view of the present invention from above;

FIG. 5 is a general view of the top of the disassembled cladding frame of the present invention;

fig. 6 is a cross-sectional elevation view of an adaptive pressure adaptation structure of the present invention.

In the figure: 1 sampling shell, 2 lifting parts, 21 air pump, 22 air bag, 23 balancing weight, 3 sampling units, 31 acquisition box, 32 conduction tube, 33 connector, 4 through openings, 5 acquisition openings, 6 sampling limiting parts, 61 rotating seat, 62 rotating shaft, 63 gear, 64U-shaped support rod, 7 self-adaptive pressure adapting piece, 71 square frame, 72 transverse moving plate, 73 tooth plate, 8 notch, 9 limiting cover, 10 clamping block, 11 clamping groove, 12 extending lug, 13 cladding frame, 14 notch, 15 through hole, 16 spring and 17 opening.

Detailed Description

The invention is explained in more detail below with reference to the figures and examples.

As shown in fig. 1-6: the utility model provides a deep sea automatic rising layering water sampling device, including sampling shell 1, sampling shell 1 is discoid, link up from top to bottom at its middle part, be equipped with a plurality of sampling unit 3 on the casing, and with the equal angular distribution in center of sampling shell 1, a plurality of openings 4 have been seted up to sampling shell 1's inner edge, opening 4 communicates with each other with the collection mouth 5 that sampling unit 3 inboard was equipped with, sampling shell 1's middle part has held sampling locating part 6, sampling locating part 6 can carry out the rotation along sampling shell 1's axial lead direction, and its circumference hugs closely sampling shell 1's inner edge, sampling locating part 6 only supplies one of them sampling unit 3 to sample and collect, and constantly change different sampling unit 3 and sample at the rotation in-process.

The sampling unit 3 comprises a collecting box 31, a conducting tube 32 and a connector 33, a notch 8 is formed in the top of the sampling shell 1, the collecting box 31 can be placed in the notch 8, the inlet end of the collecting box 31 is embedded and communicated with the conducting tube 32, the inner side end of the conducting tube 32 is connected and communicated with the connector 33, the connector 33 is connected with the sampling shell 1, the collecting port 5 is arranged at the inner side end of the connector 33, the conducting tube 32 is obliquely arranged and is outwards obliquely and downwards arranged from the middle of the collecting box 31.

The upside swing joint of sampling shell 1 has and is annular spacing lid 9, and the bottom circumference of spacing lid 9 is equipped with a plurality of fixture blocks 10, and 1 top circumference of sampling shell corresponds the department and has seted up draw-in groove 11, and draw-in groove 11 and fixture block 10 can block each other, and the outside end of gathering box 31 is connected with extends lug 12, and spacing lid 9 closes the in-process at the lid and extends lug 12 through the pressfitting and come spacing outside end of gathering box 31. The inner end of the collection case 31 is supported and pressed by the conduction tube 32 fitted thereto, so that the collection case 31 can be fixed.

The upper part of the collecting box 31 is connected with a pull ring, which is convenient for hand extraction. When dismantling the sample of gathering box 31, demolish spacing lid 9 earlier, and then will gather box 31 through the pull ring and take off down toward the outside slant can.

The sampling limiting part 6 comprises a rotating base 61, a rotating shaft 62, a gear 63 and a U-shaped supporting rod 64, wherein the bottom of the rotating base 61 is connected with the rotating shaft 62, the gear 63 is sleeved on the lower part of the rotating shaft 62, one end of the U-shaped supporting rod 64 is connected with the bottom of the sampling shell 1, the other end of the U-shaped supporting rod is located in the middle of the sampling shell 1, and the lower end of the rotating shaft 62 is pivoted on the U-shaped supporting rod 64.

The rotary seat 61 is disc-shaped, the periphery of the rotary seat is tightly attached to the hollow part of the sampling shell 1, the middle part of the rotary seat 61 is provided with a notch 14, the rotary seat 61 is radially provided with a through hole 15, the through hole 15 penetrates through the notch 14 and the outer wall of the rotary seat 61, and the size of the through hole 15 is larger than or equal to that of the acquisition port 5.

When the through hole 15 on the rotary base 61 rotates along with the rotary base 61 to correspond to the collection port 5 arranged on the corresponding connector 33, the collection port 5 performs sampling, that is, water is guided into the collection port 5 of the connector 33 from the through hole 15 in the notch 14 of the rotary base 61 under the action of underwater pressure, and then is conducted to the collection box 31 through the conducting pipe 32 to perform sample collection.

It should be noted that, because the roating seat 61 needs to rotate, it can't be sealed with the laminating of the well empty position of sampling shell 1 all the time for the collection mouth 5 of sampling unit 3 can the trace get into the water sample of the different degree of depth and mix, influences the sampling precision. Therefore, the further scheme is that a flexible block (except that the through part is not arranged) is circumferentially arranged at the corresponding position of the outer edge of the rotating seat 61, wherein the corresponding acquisition port 5 can be closed by the flexible block, and a better sealing effect is realized. Certainly, in order to prevent the rotation of the rotary base 61 from being affected and the blocking problem from occurring, the acquisition opening 5 needs to be set relatively small, and meanwhile, the corresponding flexible block is also set relatively small.

The water sampling device further comprises a self-adaptive pressure adapter 7, and the pressure intensity is continuously increased along with submergence of the water sampling device, and the self-adaptive pressure adapter 7 can drive the sampling limiting part 6 to rotate under the action of the pressure intensity. The method comprises the following specific steps:

the adaptive pressure adapter 7 comprises a hollow square frame 71, a transverse moving plate 72 and a tooth plate 73 with teeth arranged on one side, the square frame 71 is fixedly arranged at the bottom of the sampling shell 1, the transverse moving plate 72 is arranged in the square frame 71, two ends of the transverse moving plate are abutted to inner walls of two sides of the transverse moving plate 72, a spring 16 is arranged between one side of the transverse moving plate 72 and the inner wall of the square frame 71, the other side of the transverse moving plate is connected with the tooth plate 73, and a through hole 4 is formed in the square frame 71 and can allow the tooth plate 73 to move relatively.

The end of the U-shaped support bar 64 is also connected to a wrap bracket 13 that surrounds the gear 63. The cladding frame 13 is provided with an opening 17 towards one side of the tooth plate 73, so that the tooth plate 73 and the gear 63 at the corresponding position can be meshed with each other.

According to the pressure formula: p ρ g H, i.e. the pressure is proportional to the water depth, whereas under water, 1 atmosphere can be increased for every 10m increase. At the same time, the pressure generated by the underwater pressure is circumferentially surrounding the object and pressed inwardly.

The springs 16 are provided with a plurality of springs, two springs are used as one group, the lengths of the springs 16 in each group are different, the springs 16 in each group are symmetrically arranged in the middle of the square frame 71, and the number of the sampling units 3 is the same as that of the groups of the springs 16.

The length of the spring 16 and the elastic coefficient of each group can be set in advance according to the different measuring depths of the required downward water sampling device.

Therefore, in the adaptive pressure adapter 7 provided in the present embodiment, the acting force between the tooth plate 73 and the square frame 71 has a certain margin, that is, when the adaptive pressure adapter is subjected to underwater pressure, the tooth plate 73 can be pressed toward the square frame 71 (mainly because there is air between the traverse plate 72 and the square frame 71, the air is compressed under external pressure to move the traverse plate 72), and the distance that the tooth plate 73 moves can be controlled in accordance with the reverse elastic force (F ═ kx) of the spring 16 and the water depth. In the moving process of the tooth plate 73, the gear 63 can be driven to rotate, the rotating seat 61 can be indirectly driven to rotate, and then a water sample in a deep sea specific distance can be accurately collected.

The bottom of the sampling shell 1 is provided with a lifting piece 2 for controlling the lifting and descending of the sampling shell, the lifting piece 2 comprises an air pump 21, an air bag 22 and a balancing weight 23, the air pump 21 is connected to the bottom of the sampling shell 1, the output end of the air pump is communicated with one side of the air bag 22, and the balancing weight 23 is arranged at the bottom of the sampling shell 1. The air bag 22 is further provided with an electromagnetic valve for discharging the air in the air bag 22, so that the lifting piece 2 can more accurately control the seawater with the required measuring depth (the air pump 21 and the electromagnetic valve are both required to be connected into a PLC control program for control). Of course, the lifting member 2 may be a long rope only, and the diving depth is controlled according to the length of the long rope by the gravity of the water collecting device.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and the protection scope must be determined by the scope of the claims.

Claims

1. The utility model provides a deep sea automatic rising layering water sampling device which characterized in that: including the sampling casing, the sampling casing is discoid, link up about its middle part, be equipped with a plurality of sampling units on the sampling casing, and with angular distribution such as the center of sampling casing, a plurality of openings have been seted up to the inner edge of sampling casing, and the opening communicates with each other with the collection mouth that the sampling unit inboard was equipped with, the middle part of sampling casing has held the sampling locating part, and the axial lead direction that the sampling casing can be followed to the sampling locating part carries out the rotation, and its circumference hugs closely the inner edge of sampling casing, the sampling locating part only supplies one of them sampling unit to sample and collects, and constantly changes different sampling units and sample at the rotation in-process, still includes the self-adaptation pressure adapting piece, along with the dive of water sampling device and pressure constantly increases, and the self-adaptation pressure adapting piece can drive the sampling locating part under the.

2. The deep sea automatic lifting layered water sampling device according to claim 1, characterized in that: the sampling unit is including gathering box, conduction pipe, connector, the notch has been seted up at sampling casing top, and the collection box can be placed in the notch, the entrance point of gathering the box inlays mutually with the conduction pipe and communicates with each other, and the medial extremity of conduction pipe links to each other and communicates with each other with the connector, the connector links to each other with the sampling casing, and gathers the medial extremity that the mouth was seted up in the connector, the slope of conduction pipe sets up to outwards be the slope by gathering the box middle part and arrange downwards.

3. The deep sea automatic lifting layered water sampling device according to claim 2, characterized in that: the upside swing joint of sampling shell has and is the spacing lid of annular, the bottom circumference of spacing lid is equipped with a plurality of fixture blocks, and the draw-in groove has been seted up to the corresponding department of sampling shell top circumference, draw-in groove and fixture block each other, the outside end of gathering the box is connected with the extension lug, and spacing lid closes the in-process and extends the outside end that the lug comes spacing collection box through the pressfitting at the lid.

4. The deep sea automatic lifting layered water sampling device according to claim 1, characterized in that: the sampling locating part includes roating seat, pivot, gear, U-shaped bracing piece, the bottom of roating seat links to each other with the pivot, and the gear cup joints in the lower part of pivot, the one end of U-shaped bracing piece links to each other with the bottom of sampling casing, and the other end is located the middle part of sampling casing, the lower extreme pin joint of pivot is on the U-shaped bracing piece, the tip of U-shaped bracing piece still is connected with a cladding frame that surrounds the gear, the roating seat is the disc, and the cavity position of sampling casing is hugged closely to its periphery, the middle part of roating seat is equipped with the notch, and radially has seted up a through-hole on the roating seat, the through-hole link up the outer wall of notch and roating seat, and the.

5. The deep sea automatic lifting layered water sampling device according to claim 4, characterized in that: the self-adaptive pressure adapter comprises a hollow square frame, a transverse moving plate and a tooth plate with teeth arranged on one side, the square frame is fixedly arranged at the bottom of the sampling shell, the transverse moving plate is arranged in the square frame, the two ends of the transverse moving plate are abutted to the inner walls of the two sides of the transverse moving plate, a spring is arranged between one side of the transverse moving plate and the inner wall of the square frame, the other side of the transverse moving plate is connected with the tooth plate, an opening is formed in the square frame and can be used for the tooth plate to move relatively, and an opening is formed in one side of the coating frame towards the tooth plate and can be used for the tooth plate and the gear of the corresponding position to be meshed with each.

6. The deep sea automatic lifting layered water sampling device according to claim 5, characterized in that: the spring is equipped with many, and uses two to be a set of, and the length between every group spring is all inequality, and the spring in every group is with the middle part symmetrical arrangement of square frame, the quantity of sampling unit is the same with the group number of spring.