CN115112424A

CN115112424A - Automatic hydrology water sampling device in tide cycle

Info

Publication number: CN115112424A
Application number: CN202210596487.9A
Authority: CN
Inventors: 张亚超; 戴清清; 赵建丽; 黄文韬; 李祥煌; 潘巍
Original assignee: East China Sea Environment Investigation Prospecting Center Of State Oceanic Administration
Current assignee: East China Sea Environment Investigation Prospecting Center Of State Oceanic Administration
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-09-27
Anticipated expiration: 2042-05-16
Also published as: CN115112424B

Abstract

The invention discloses an automatic hydrology water sampling device in a tidal cycle, which comprises a floater, a sampling frame and a counterweight, wherein the floater is connected with the counterweight through a connecting rope; the periphery of sampling frame evenly sets up a plurality of groups water sample bottle, the upper and lower opening that sets up of water sample bottle sets up the bottle lid that can open and close at the opening part, still be provided with bottle lid controller, time-recorder and trigger on the sampling frame, the bottle lid of each water sample bottle all is connected to bottle lid controller department through respective control rope, the trigger is pulled the control rope of bottle lid controller department and is made the bottle lid of a certain water sample bottle open, the time-recorder is at every pulling of a predetermined time after feedback signal messenger trigger end the pulling of preceding control rope, begin to pull the control rope of back. The invention adopts an integrated automatic mechanical control structure, does not need manpower or a complex control system, and can greatly reduce the labor and ship cost.

Description

Automatic hydrology water sampling device in tide cycle

Technical Field

The invention relates to a sampling device, in particular to an automatic hydrological water sampling device in a tide cycle.

Background

The offshore hydrological investigation is basically the most basic work of all ocean engineering projects and ocean researches, the hydrological water sampling workload is large, but the current hydrological water sampling is basically manual sampling, every time when the whole point is reached in a tide period (26H), workers firstly go to the seabed to estimate the station water depth by using a temporarily installed hydrological winch, then the horizontal water sampler is lowered to the specified water depth (such as the surface layer, 0.2H, 0.42H, 0.6H, 0.8H and the bottom layer) according to the estimated water depth, the horizontal water sampler is closed by using a stone hammer to obtain a certain amount of water, and then the water is poured into a numbered water sample bottle, so that the operation mode is original and a large amount of manpower and material resources are needed. The invention is intended to update the hydrological water-mining operation mode, realizes the automatic water-mining of the water depth of each standard layer in a tide cycle, liberates manpower and material resources, changes the labor-intensive characteristic of the existing hydrological work, and can greatly reduce the labor and ship cost.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the automatic hydrological water sampling device in the tide cycle, which can realize time-by-time automatic water sampling, complete the continuous 26-hour water sample sampling work of the hydrological test by setting the sufficient number of the water sample bottles, replace the manual 26-hour continuous operation, improve the automation degree and save manpower and material resources.

In order to achieve the purpose, the invention provides the following technical scheme: an automatic hydrology water sampling device in a tidal cycle comprises a floater, a sampling frame and a counterweight, wherein the floater is connected with the counterweight through a connecting rope, and the sampling frame can be arranged on the connecting rope in a vertically sliding mode and is arranged on the connecting rope through a locking piece; the periphery of sampling frame evenly sets up a plurality of groups water sample bottle, the upper and lower opening that sets up of water sample bottle sets up the bottle lid that can open and close at the opening part, still be provided with bottle lid controller, time-recorder and trigger on the sampling frame, the bottle lid of each water sample bottle all is connected to bottle lid controller department through respective control rope, the trigger is pulled the control rope of bottle lid controller department and is made the bottle lid of a certain water sample bottle open, the time-recorder is at every pulling of a predetermined time after feedback signal messenger trigger end the pulling of preceding control rope, begin to pull the control rope of back.

As an improvement, the periphery of the sampling frame is uniformly provided with 30 water sample bottles, and the adjacent water sample bottles are spaced by 12 degrees.

As a modification, the predetermined time is 1 hour, and the maximum timing time of the timer is 26 to 30 hours.

As an improvement, the upper bottle cap and the lower bottle cap of each water sample bottle are arranged at the opening in a turnover mode through hinges, an elastic rope is connected between the two bottle caps, and when the control ropes on the two bottle caps are not pulled by a trigger, the two bottle caps are driven to cover the opening by the elasticity of the elastic rope.

As an improvement, the bottle cap controller comprises a mounting frame and a plurality of mounting shafts which are rotatably arranged on the mounting frame, the mounting shafts are uniformly arranged on the mounting frame in the circumferential direction, the number and the positions of the mounting shafts correspond to those of the water sample bottles one by one, and the mounting shafts are connected with respective control ropes one by one; the trigger comprises a driving piece and a transmission piece which are mutually linked, the transmission piece is used for being clamped at the installation shaft to drive, and the driving piece drives the installation shaft to rotate when driving the transmission piece to move so as to enable the control rope to be wound on the installation shaft.

As an improvement, the trigger further comprises a swing arm and a second motor for driving the swing arm to rotate, a driving cylinder is arranged at the far end of the swing arm, a driving piece is arranged on a driving shaft of the driving cylinder and drives the driving piece and a driving piece to displace, the driving piece is a first motor, a driving piece is arranged on a motor shaft of the first motor, the driving piece is provided with a driving hole matched with the mounting shaft, and when the driving hole is driven by the driving cylinder to move to be sleeved on the mounting shaft, the driving piece and the driving piece are matched and linked; the timer feeds back a signal after a preset time to enable the trigger to reset integrally, and then the second motor drives the swing arm to rotate, so that the transmission hole corresponds to the next mounting shaft.

As an improvement, the mounting shaft is set to be a cone with a small diameter outside and a large diameter inside, so that the transmission hole is clamped by the large-diameter part to be mutually limited when being sleeved on the mounting shaft.

As an improvement, the sampling frame is a cylinder, an inner pipe is arranged at the central shaft of the sampling frame and is used for the connection rope to penetrate through the sampling frame from top to bottom, and a locking piece is arranged on the wall of the inner pipe and used for locking or unlocking the connection rope.

As an improvement, an AIS system is mounted on the float.

As an improvement, 26 of 30 water sample bottles are used as formal sampling bottles, and the rest 4 water sample bottles are reserved for 4 hours of debugging time before formal sampling of the device or used as spare sampling bottles.

The device has the advantages that the device can automatically collect water time by time, complete continuous 26-hour water sample collection work of hydrology test, replace manual 26-hour continuous work, and simultaneously can set the starting time within 4 hours, thereby facilitating on-site multipoint synchronous observation; the existing water sampler is controlled by a stone hammer or a motor sensor, and the invention adopts an integrated automatic mechanical control structure, does not need manpower or a complex control system, is suitable for offshore complex environments, does not need to measure water depth, and realizes water sample collection of a standard layer by using a similar principle.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Figure 2 is a schematic longitudinal sectional view of the closure controller and trigger of the present invention.

Detailed Description

The following detailed description of specific embodiments of the invention refers to the accompanying drawings.

As shown in fig. 1 and 2, an embodiment of an automatic hydrological water sampling device in a tidal cycle of the present invention includes a float 1, a sampling frame 2 and a weight 3, wherein the float 1 and the weight 3 are connected by a connecting rope 4, and the sampling frame 2 is slidably disposed on the connecting rope 4 up and down and on the connecting rope 4 by a locking member 5; the periphery of sampling frame 2 evenly sets up a plurality of groups of water sample bottle 6, the upper and lower setting opening of water sample bottle 6 and set up bottle lid 61 that can open and close at the opening part, still be provided with bottle lid controller 7 on the sampling frame 2, timer 8 and trigger 9, the bottle lid 61 of each water sample bottle 6 all is connected to bottle lid controller 7 department through respective control rope 62, trigger 9 pulls the control rope 62 of bottle lid controller 7 department and makes the bottle lid 61 of a certain water sample bottle 6 open, timer 8 is at every lapse of a predetermined time after the feedback signal makes trigger 9 finish the pulling of the former control rope 62, begin to pull the latter control rope 62.

When the device is used, a worker estimates the water depth and the high sea level of each station according to data such as a chart, a tide table and the like, the water depth is overlapped with the high sea level to be used as the rope length of the connecting rope 4, the fixed position of the sampling frame 2 is determined on the rope length according to the water depth proportion of the standard layer, the sampling frame can be inclined when the sampling frame is placed into water under the condition of the change of the sea level and the operation of the flow rate, but the height of a water layer is not influenced according to the similar principle. The position of the device is limited by the sinking of the counterweight part 3, and the floater 1 floats on the water surface to facilitate the later searching and recovery of workers; preferably, an AIS System, an Automatic Identification System (AIS), or simply an AIS System, is installed on the float 1, and can help a worker to quickly search and recover the device through GPS positioning. The sampling frame 2 is set to be in a proper size, is preferably set to be a cylindrical body, is circumferentially provided with a plurality of groups of water sample bottles 6, has a tide cycle of 26 hours, is preferably set to be at least 26 water sample bottles 6, can collect water samples per hour in one tide cycle, and then collects the devices in a unified way. The water sample bottle 6 which sinks into the preset water depth is automatically controlled by arranging the bottle cap controller 7, the timer 8 and the trigger 9, the timer 8 times the whole experiment time, and the time is fed back to the trigger 9 to be sequentially adjusted every hour, namely the previous water sample bottle 6 is closed, the next water sample bottle 6 is opened, and the water sample collection is completed in a period of 26 hours. Because the device is in deep water, the structural adjustment can be realized by adopting a simple mechanized structure, in particular to a water sample bottle 6 structure with an upper opening and a lower opening and a matched openable bottle cap 61, the full flow of water is facilitated when the device is opened, and the water samples with components matched with the water depth and the area are collected through the full mixed flow within 1 hour; the bottle cap 61 is connected to the bottle cap controller 7 through the control rope 62 to form stable mechanical limitation, the corresponding control rope 62 is pulled by driving the trigger 9, the bottle cap 61 can be effectively opened, and after the pulling of the control rope 62 is released, the bottle cap 61 can be closed again through the existing reset structure. The invention completely liberates manpower and material resources on the whole, does not need manpower participation in the water sample collection process, can realize functions automatically except placement and collection, and can greatly reduce the labor and ship cost.

As a modified embodiment, 30 water sample bottles 6 are uniformly arranged on the periphery of the sampling frame 2, and the adjacent water sample bottles 6 are spaced by 12 degrees. Preferably, 26 of the 30 water sample bottles 6 are used as formal sampling bottles, and the rest 4 are reserved for 4 hours of debugging time before formal sampling of the device or used as spare sampling bottles.

The water sample bottles 6 of specific setting quantity, 26 of them accomplish the continuous 26 hours water sample collection work of hydrology test, replace artifical 26 hours continuity of operation, the preparation time before 4 hours's the beginning has been reserved for the staff through the water sample bottle 6 of many settings simultaneously, conveniently carries out the multiple spot position setting at the scene, and can set up at different velocity of flow positions and carry out synchronous observation, obtains more abundant effectual water sample collection. If the preparation time before the start is not finished, the residual water sample bottle 6 can be used as a standby sampling bottle body to participate in water sample collection. And the water sample bottles 6 are uniformly arranged, so that the weight of the sampling frame 2 in water is kept stable, and the bottle cap controller 7 and the trigger 9 are convenient to arrange and correspond to each other.

As a modified embodiment, the predetermined time is 1 hour, and the maximum timing time of the timer 8 is 26 to 30 hours.

As described above, in cooperation with a 26-hour tide cycle, each water sample bottle 6 is scheduled to be opened for 1 hour, an effective water sample is formed in each water sample bottle 6 after seawater is sufficiently mixed and flows, then switching of the water sample bottles 6 is performed, the maximum timing time of the timer 8 is limited in cooperation with the set number of the water sample bottles 6, and after the maximum timing time, the timer 8 stops working, namely, no adjustment instruction is sent to the trigger 9, so that all the water sample bottles 6 are well sealed after one collection cycle is completed, and are collected by workers later. The timing time can be adjusted by 26-30 hours, and the water sampling bottle 6 can be set according to the use requirement of workers, so that the more flexible use requirement is met.

As an improved embodiment, the upper bottle cap 61 and the lower bottle cap 61 of each water sample bottle 6 are arranged at the opening in a turnover mode through hinges, an elastic rope 63 is connected between the two bottle caps 61, and when the control ropes 62 on the two bottle caps 61 are not pulled by the trigger 9, the elastic force of the elastic rope 63 drives the two bottle caps 61 to cover the opening.

As shown in fig. 1, in order to reduce the cost of installation of the whole device and adapt to the harsh environment in deep sea, the elastic rope 63 is adopted, which can resist seawater erosion for a period of time without failure and damage, and has low cost and can be replaced after collection for the next collection work; through the arrangement of the elastic rope 63, the implementation mode of the trigger 9 can be simplified, the control rope 62 can be pulled through driving, after the control rope 62 is loosened, other extra mechanical structures are not needed to drive the control rope 62 to reset reversely, through stretching the elastic rope 63 after the bottle caps 61 at the two ends are turned over and opened, the bottle caps 61 at the two ends can be quickly closed through the pulling force of the elastic rope 63 after the bottle caps 61 at the two ends lose the force pulled by the control rope 62, and the bottle caps 61 at the two ends are kept in a good closing state through the elastic pulling force, so that the effective sealing of water sampling is ensured; the realization mode of the elastic rope 63 does not influence the normal entering of the seawater into the water sample bottle 6 and the good mixing and flowing, and the effectiveness of water sample collection is ensured.

As an improved specific embodiment, the bottle cap controller 7 includes a mounting frame 71 and a plurality of mounting shafts 72 rotatably disposed on the mounting frame 71, the mounting shafts 72 are uniformly arranged on the mounting frame 71 in the circumferential direction, the number and the positions of the mounting shafts 72 correspond to those of the water sampling bottles 6 one by one, and the mounting shafts 72 are connected to the respective control ropes 62 one by one; the trigger 9 includes a driving element 91 and a transmission element 92, which are linked with each other, the transmission element 92 is used for being clamped at the mounting shaft 72 for driving, and the driving element 91 drives the mounting shaft 72 to rotate when the driving element 92 is driven to move, so that the control rope 62 is wound on the mounting shaft 72.

In the embodiment shown in fig. 2, the mounting bracket 71 is configured as a disk structure, and a circle of mounting shafts 72 are arranged on the outer circumference, the number and positions of the mounting shafts 72 correspond to those of the water sampling bottles 6, and the corresponding control ropes 62 are positioned on the mounting shafts 72; the transmission member 92 of the trigger 9 is engaged with the mounting shaft 72, and can drive the corresponding mounting shaft 72 to rotate under the driving of the driving member 91, so as to wind the control rope 62 on the mounting shaft 72, thereby playing a pulling effect on the control rope 62, and stably pulling and positioning the bottle cap 61; when the trigger 9 acts reversely, the control rope 62 is loosened to close the corresponding water sample bottle 6. The bottle cap controller 7 and the trigger 9 can be sealed through the shell structure, normal work of the bottle cap controller and the trigger in a seawater environment is guaranteed, the position of the mounting shaft 72, which is externally connected with the control rope 62, can be matched with the mounting frame 71 to form a sealing ring, and seawater entering is avoided.

As an improved specific embodiment, the trigger 9 further includes a swing arm 93 and a second motor 94 for driving the swing arm 93 to rotate, a driving cylinder 95 is disposed at a distal end of the swing arm 93, a driving member 91 is disposed on a driving shaft of the driving cylinder 95 and drives the driving member 91 and a transmission member 92 to displace, the driving member 91 is a first motor, a transmission member 92 is disposed on a motor shaft of the first motor, the transmission member 92 has a transmission hole matched with the mounting shaft 72, and when the driving cylinder 95 drives the transmission hole to displace to be sleeved on the mounting shaft 72, the driving shaft and the transmission member 92 are in linkage; after a predetermined time, the timer 8 feeds back a signal to reset the trigger 9 as a whole, and then the second motor 94 drives the swing arm 93 to rotate 12 degrees, so that the transmission hole corresponds to the next mounting shaft 72.

As shown in fig. 2, as an optimized design of a structure, the second motor 94 drives the rotating structure of the swing arm 93 to design, the matching structure of a set of driving cylinder 95, the driving member 91 and the transmission member 92 can be adjusted to correspond to all the mounting shafts 72 on the circumferential position by rotating the adjusting position, the number of the mechanical mechanism and the driving mechanism and the occupation of the layout space can be effectively simplified, the power mechanism and the control mechanism which are matched with each other are also simplified, the structural space occupied by the whole can be effectively reduced, and the structural design of the sampling frame 2 is smaller. The transmission member 92 is provided with a transmission hole, and when the transmission member extends out and reaches the corresponding mounting shaft 72 through the extending and retracting adjusting position of the driving cylinder 95, the driving member 91 drives the mounting shaft 72 to rotate and wind the control rope 62; when the driving cylinder 95 is retracted, the driving member 92 is disengaged from the corresponding mounting shaft 72, and at this time, the second motor 94 drives the swing arm 93 to rotate by a predetermined angle, so that the driving cylinder 95, the driving member 91 and the driving member 92 correspond to the next mounting shaft 72, and the next water sample bottle 6 is opened to collect a water sample.

As a modified embodiment, the mounting shaft 72 is configured as a cone with a small diameter outside and a large diameter inside, so that the transmission hole is clamped by the large diameter part to limit each other when being sleeved on the mounting shaft 72.

As shown in fig. 2, the end of the tapered mounting shaft 72 is designed to allow the transmission hole to be smoothly inserted into the mounting shaft 72 at any angle, and the transmission hole is pressed against the large diameter portion of the mounting shaft 72 by the extension pressure of the driving cylinder 95, and the two parts are engaged with each other to limit the position, so that the two parts can perform synchronous operation when rotating.

As a modified embodiment, the sampling frame 2 is a cylinder, an inner tube 21 is arranged at the central axis of the cylinder for the connection rope 4 to pass through vertically, and a locking piece 5 is arranged on the wall of the inner tube 21 for locking or unlocking the connection rope 4.

As shown in fig. 1, the connecting rope 4 is inserted through the inner tube 21 at the center of the structure and can slide up and down, so that the stability of the structure in water can be maintained conveniently, and the up-and-down position can be well adjusted; the locking member 5 may preferably be a fastener such as a bolt screwed on the wall of the inner tube 21, and when the inner tube is sufficiently tightened, the connecting rope 4 is pressed to achieve locking and positioning, and preferably, a plurality of sets may be provided in the axial direction, so that the multi-position locking is performed to ensure the locking of the structure to be firm.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides an automatic hydrology water sampling device in tide cycle which characterized in that: the sampling device comprises a floater (1), a sampling frame (2) and a counterweight (3), wherein the floater (1) is connected with the counterweight (3) through a connecting rope (4), and the sampling frame (2) can be arranged on the connecting rope (4) in a vertically sliding mode and is arranged on the connecting rope (4) through a locking piece (5); the periphery of sampling frame (2) evenly sets up a plurality of groups water appearance bottle (6), the upper and lower of water appearance bottle (6) sets up the opening and sets up bottle lid (61) that can open and shut at the opening part, still be provided with bottle lid controller (7), timer (8) and trigger (9) on sampling frame (2), each bottle lid (61) of water appearance bottle (6) all are connected to bottle lid controller (7) department through respective control rope (62), trigger (9) are pulled bottle lid (61) of making certain water appearance bottle (6) to control rope (62) of bottle lid controller (7) department and are opened, timer (8) are at every pulling that to pass through a predetermined time after feedback signal make trigger (9) end the pulling of preceding control rope (62), begin to pull the next control rope (62).

2. The automatic hydrographic water sampling device of claim 1, wherein: the periphery of the sampling frame (2) is uniformly provided with 30 water sample bottles (6), and the interval between every two adjacent water sample bottles (6) is 12 degrees.

3. The automatic hydrographic water sampling device of claim 2, wherein: the predetermined time is 1 hour, and the maximum timing time of the timer (8) is 26-30 hours.

4. An automatic hydrographic water sampling device during a tidal cycle according to claim 1, 2 or 3, wherein: every two upper and lower bottle lid (61) of water sample bottle (6) all set up in the opening part through hinge reversible, and connect elasticity rope (63) between two bottle lid (61), when control rope (62) on two bottle lid (61) do not receive trigger (9) pulling, two bottle lid (61) lid of elasticity drive of elasticity rope (63) close at the opening.

5. An automatic hydrographic water sampling device in a tidal cycle according to claim 2 or 3, wherein: the bottle cap controller (7) comprises a mounting frame (71) and a plurality of mounting shafts (72) rotatably arranged on the mounting frame (71), the mounting shafts (72) are uniformly arranged on the mounting frame (71) in the circumferential direction, the number and the positions of the mounting shafts (72) correspond to those of the water sample bottles (6) one by one, and the mounting shafts (72) are connected with respective control ropes (62) one by one; the trigger (9) comprises a driving piece (91) and a transmission piece (92) which are mutually linked, the transmission piece (92) is used for being clamped at the installation shaft (72) to drive, and the driving piece (91) drives the installation shaft (72) to rotate when driving the transmission piece (92) to move so that the control rope (62) is wound on the installation shaft (72).

6. The automatic hydrographic water sampling device of claim 5, wherein: the trigger (9) further comprises a swing arm (93) and a second motor (94) for driving the swing arm (93) to rotate, a driving cylinder (95) is arranged at the far end of the swing arm (93), a driving piece (91) is arranged on a driving shaft of the driving cylinder (95) and drives the driving piece (91) and a transmission piece (92) to displace, the driving piece (91) is a first motor, the transmission piece (92) is arranged on a motor shaft of the first motor, the transmission piece (92) is provided with a transmission hole matched with the mounting shaft (72), and the driving cylinder (95) and the transmission hole are matched and linked when the transmission hole is driven to be sleeved on the mounting shaft (72) by the driving cylinder (95); and after a preset time, the timer (8) feeds back a signal to reset the trigger (9) integrally, and then the second motor (94) drives the swing arm (93) to rotate for 12 degrees, so that the transmission hole corresponds to the next mounting shaft (72).

7. The automatic hydrographic water sampling device of claim 6, wherein: the mounting shaft (72) is set to be a cone with a small diameter outside and a large diameter inside, so that the transmission hole is clamped by the large-diameter part to be mutually limited when being sleeved on the mounting shaft (72).

8. An automatic hydrographic water sampling device during a tidal cycle according to claim 1, 2 or 3, wherein: sampling frame (2) are the cylinder, and central axis department sets up inner tube (21) and supplies to connect rope (4) and wear to establish from top to bottom, locking piece (5) set up and lock or remove the locking connecting rope (4) on inner tube (21) wall.

9. An automatic hydrographic water sampling device during a tidal cycle according to claim 1, 2 or 3, wherein: an AIS system is arranged on the floater (1).

10. An automatic hydrographic water sampling device in a tidal cycle according to claim 2 or 3, wherein: 26 of the 30 water sample bottles (6) are used as formal sampling bottle bodies, and the rest 4 water sample bottles are reserved for 4 hours of debugging time before formal sampling of the device or used as standby sampling bottle bodies.