CN107560897B - Single-person adjustable vertical water sampling method - Google Patents
Single-person adjustable vertical water sampling method Download PDFInfo
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- CN107560897B CN107560897B CN201711024500.9A CN201711024500A CN107560897B CN 107560897 B CN107560897 B CN 107560897B CN 201711024500 A CN201711024500 A CN 201711024500A CN 107560897 B CN107560897 B CN 107560897B
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Abstract
The invention discloses a single adjustable vertical water sampling method, which belongs to the technical field of water sample collection and comprises the following steps: submerging the water collecting device into water, and controlling the water tank to gradually suck water in the descending process of the water collecting device; when the water sampling device reaches a specified depth, the water sampler samples water; after water collection is finished, the rope is recovered, the water collection device rises, and the water tank is controlled to gradually discharge water in the rising process; the water collecting device rises to the water surface to finish water collecting; and controlling a pipe clamp arranged on a water outlet pipe of the water sampler to take out the sample water body. The water collection method is simple and convenient to operate, is slightly influenced by ocean currents, is high in water collection accuracy, is small in equipment size and convenient to operate, and provides great convenience for the water collection industry.
Description
Technical Field
The invention belongs to the technical field of collection, and particularly relates to a single adjustable vertical water collection method.
Background
Seawater sampling is the most common investigation content of ocean related specialties, and analyzing various indexes in seawater is an important way for researching and developing ocean. Usually, we need to collect different water layers of seawater. However, the mass of the common water sampler is very small, and the common water sampler is easily influenced by ocean currents, so that the water sampler cannot vertically sink to a certain depth, and certain errors are brought to an experiment. Researchers have to find a heavy object tied on the water sampler, but the heavy object is difficult to fix and has a high probability of slipping. In addition, different water depths have different requirements on the quality of the water sampler, and great inconvenience is brought to the experiment. The conventional rose water sampler needs to be provided with a winch, so that the requirement on ship conditions is high, and therefore, the development of a novel single vertical water sampler is very necessary, and the method has important significance for single-person water sampling operation on different water layers.
Disclosure of Invention
The invention aims to provide a single-person adjustable vertical water sampling method which is little affected by ocean currents, high in water sampling accuracy and high in water sampling efficiency.
The scheme adopted by the invention for solving the technical problems is as follows: a single adjustable vertical water sampling method comprises the following steps: submerging the water collecting device into water, and controlling the water tank to gradually suck water in the descending process of the water collecting device; when the water sampling device reaches a specified depth, the water sampler samples water; after water collection is finished, the rope is recovered, the water collection device rises, and the water tank is controlled to gradually discharge water in the rising process; the water collecting device rises to the water surface to finish water collecting; and controlling a pipe clamp arranged on a water outlet pipe of the water sampler to take out the sample water body. The water sampler adopts an integral design with lighter weight, so that the water sampler is convenient for single-person operation; the water tank has a counterweight effect, is convenient and reliable to fix, can adjust the counterweight mass along with the change of water depth, is used by being matched with the water sampler, can reduce the requirements on operators and equipment for water sampling, can improve the efficiency in the process of collecting a shallow water layer, and reduces the cost of water sampling operation; the pipe clamp is convenient to take and place, the damage to the water outlet pipe is small, and the water blocking effect is good. The water collection method is simple and convenient to operate, is slightly influenced by ocean currents, is high in water collection accuracy, is small in equipment size and convenient to operate, and provides great convenience for the water collection industry.
In order to optimize the above technical solution, the measures further include: the water sampling device comprises a fixing frame, the fixing frame is composed of a fixing ring and fixing rods, a water sampler is fixed at the front end of the fixing frame through the fixing ring, a control box is fixed at the rear end of the fixing frame through the fixing ring, water tanks are fixed at the left side and the right side of the fixing frame through the fixing ring, and the fixing rods are connected with the fixing ring in a pairwise mode. The fixing frame is fixed reliably, the weight distribution of the whole device can be coordinated, and the water sampler, the water tank and the control box are fixed in a mode that the whole water sampler can effectively keep balance so as to ensure the normal work of the water sampler.
Preferably, the upper end of the water sampler is connected with an upper cover, the lower end of the water sampler is connected with a lower cover, the rear end of the water sampler is provided with a telescopic mechanism, the lower end of the water sampler is connected with a water outlet pipe, and the surface of the water outlet pipe is provided with a pipe clamp. The water sampler has a simple integral structure and a good collecting effect, the upper cover and the lower cover are controlled to be opened by the telescopic mechanism to collect a sample water body, the upper cover and the lower cover are closed after collection is finished, and the pipe clamp blocks the water outlet pipe to avoid reduction or impurity of the collected sample.
Preferably, the telescopic mechanism comprises a bidirectional push rod, the head part of the bidirectional push rod is connected with the upper cover through a tension rope, the tail part of the bidirectional push rod is connected with the lower cover through the tension rope, and a rubber rope positioned in the water sampler is connected between the upper cover and the inner wall of the lower cover. The bidirectional push rod is a waterproof component and can normally work in a water body; the rubber rope is arranged between the inner walls of the upper cover and the lower cover, has the function of withdrawing the upper cover and the lower cover, and can enable the opened upper cover and the opened lower cover to return to a closed state; when the bidirectional push rod is contracted, the pull rope is pulled and the upper cover and the lower cover are opened, so that water body collection can be carried out; the telescopic mechanism enables the water sampler to be automatically opened and closed in water, and the water sampler is simple and effective to operate and high in implementation.
Preferably, the pipe clamp comprises a shell, an inlet is formed in one end of the shell, a first roller is arranged at the upper end of the inlet, a second roller is arranged at the upper end of the first roller, a cylindrical outlet is formed in the upper end of the second roller, and the first roller and the second roller are symmetrically arranged. The head part of the inlet is round, the tail part of the inlet is rectangular, and the interior of the inlet is gradually changed, so that the water outlet pipe can be conveniently plugged in the inlet, and the round water outlet pipe is gradually changed from round to rectangular when being plugged in, so that the subsequent clamping is facilitated; the first rollers and the second rollers are symmetrically arranged, and the distance between the two first rollers is 1.8-2.6 times of the distance between the two second rollers, so that the pipe clamp clamps the water outlet pipe in a gradual change state, and the damage to the water outlet pipe is reduced; the first roller and the second roller are adopted to replace a conventional fixing piece, so that the static friction force generated between the first roller and the second roller when the pipe is clamped on the water outlet pipe can be reduced, the resistance between the rollers and the water outlet pipe is reduced, the external force required by clamping is reduced, the operation of an operator is facilitated, and the damage to the water outlet pipe is also reduced; the first roller and the second roller are adopted to replace conventional fixing pieces, the fixing effect of the pipe clamp can be improved, the two groups of rollers are used for gradually clamping the water outlet pipe, the water leakage condition is avoided, the two groups of rollers in a static state are mutually restrained, the water outlet pipe can be prevented from moving between the rollers, and the water blocking of the water outlet pipe has an unexpected improving effect; the pipe clamp comprises the shell, so that the strength of the pipe clamp is improved, the internal structure is protected, and the service life is prolonged. The pipe clamp structure is exquisite, and is effectual to blocking water of outlet pipe, and is little to the outlet pipe damage, and long service life is applicable to the use that blocks water of rubber tube equally too, has great use prospect.
Preferably, the top of the water tank shell is connected with a valve, the valve is connected with an exhaust pipe, the bottom of the water tank shell is connected with a water inlet and outlet valve, the upper end inside the water tank is provided with a gas generator, one side of the gas generator is connected with an electric push rod, the electric push rod is connected with a rubber plug, the lower end of the rubber plug is a water storage space, and the water storage space can store 5-10 kg of water. The valve is opened when water enters the water tank and is used for exhausting gas, so that the water inlet fluency is improved; the gas generator is opened when the water tank drains water, is used for generating gas, maintains the air pressure in the water tank and is beneficial to draining water; the water inlet and outlet valve is used for water inlet and outlet of the water tank; the electric push rod is controlled by the control box to stretch so as to achieve the effects that only water enters but not exits when the water tank sinks, and only water exits but not enters when the water tank rises, and the rubber plug connected with the electric push rod rises and falls along with the electric push rod, so that the internal pressure of the water storage space is changed, and the purpose of controlling the water inlet and the water outlet of the water tank is achieved. The water tank is as the counter weight mechanism of adopting the hydrophone, and its is fixed stable, is difficult for the landing that drops, and the counter weight quality can be adjusted according to actual conditions to guarantee the perpendicular whereabouts of adopting the hydrophone, gas generator and electric push rod are waterproof component, normal work in aqueous, make the water tank can automatic effectual work, effectively avoid the influence of ocean current to adopting the hydrophone, impel the further development of adopting the operation.
As the preferred, terminal surface is hydrophobic material about the plug, and the plug middle part is the rubber layer, and the border is waterproof arc limit about the plug, and plug lateral wall surface is equipped with the arc limit groove, and the central angle of the arc in arc limit groove is 23~31, and the rubber layer center is equipped with the fretwork, and fretwork internal connection has the spring. The hydrophobic material can avoid the influence of the water body on the work of the rubber plug on the inner wall of the water tank, and the hydrophobic material is matched with the waterproof arc edge to eradicate the water left on the inner wall of the water tank and avoid influencing the tightness of the rubber plug; the arc limit groove reduces the area of contact of plug and water tank when guaranteeing the seal between plug and the water tank inner wall, do benefit to the promotion of electric putter, and reducible plug material uses, improve the plug utilization ratio, the radian in arc limit groove can improve the intensity of the contact surface of rubber layer and water tank inner wall, some springs of rubber layer inner wall connection are the level setting, pressure has to the rubber layer both sides, can increase the pressure of rubber layer and water tank inner wall contact surface, improve the seal between the two, make the plug can effectively change the inside pressure in water storage space, improve the business turn over water efficiency of water tank.
Preferably, the water pressure detector is arranged on the outer wall of the water tank, so that the water pressure change can be monitored in real time, the detection result of the water pressure detector is input into the control box, the condition that the water collecting device is in ascending or descending is judged according to the change of the water pressure, the water level of the water collecting device can be judged, the water inlet and outlet and the water inlet and outlet amount of the water tank are further controlled, the water collecting device is changed along with the depth, the quality is continuously increased, the rope is kept vertical, and the water collecting accuracy is improved; the water sampling device can continuously reduce the mass when rising, accelerate the rising speed, improve the working efficiency when shallow water sampling, and ensure that the water sampling device has more flexibility and practicability.
Preferably, the control box is electrically connected with the bidirectional push rod, the gas generator, the electric push rod, the valve and the water pressure detector, the control box uniformly controls all parts, the control is stable and accurate, the water sampling device is guaranteed to automatically and effectively perform water sampling operation underwater, and the accuracy of the water sampling device for sampling a sample water body is also improved.
Compared with the prior art, the invention has the beneficial effects that:
1) the water collection method is simple and convenient to operate, is slightly influenced by ocean currents, has high water collection accuracy, can reach a water layer below 50m, has small equipment volume and convenient operation, and provides great convenience for the water collection industry;
2) the water tank is matched with the water sampler for use, so that the requirements on operators and equipment for water sampling can be reduced, the efficiency in shallow water layer sampling can be improved, and the cost of water sampling operation can be reduced;
3) the telescopic mechanism enables the water sampler to be automatically opened and closed in water, the operation is simple and effective, and the implementation is high;
4) the pipe clamp has the advantages of delicate structure, good water blocking effect on the water outlet pipe, small damage to the water outlet pipe, long service life, suitability for water blocking of the rubber pipe and wide application prospect;
5) the rubber plug can effectively change the internal pressure of the water storage space, and the water inlet and outlet efficiency of the water tank is improved.
The invention adopts the technical scheme to provide the single-person adjustable vertical water sampling method, overcomes the defects of the prior art, and has reasonable design and convenient operation.
Drawings
FIG. 1 is a top view of the water sampling apparatus of the present invention;
FIG. 2 is a front view of the water sampling apparatus of the present invention;
FIG. 3 is a left side view of the water sampling apparatus of the present invention;
FIG. 4 is a left side view of the water sampler of the present invention;
FIG. 5 is a front view of the clamp of the present invention;
figure 6 is a top view of the internal structure of the conduit clamp of the present invention;
figure 7 is a left side view of the internal structure of the conduit clamp of the present invention;
FIG. 8 is a schematic view showing the internal structure of the water tank of the present invention;
fig. 9 is a schematic structural view of the rubber plug of the present invention.
Description of reference numerals: 1, water sampler; 101 a rubber rope; 102 pulling the rope; 103 a bidirectional push rod; 2, a control box; 3, a water tank; 4, fixing the rod; 5, exhausting the pipe; 6, covering the cover; 7, a lower cover; 8, discharging a water pipe; 9 pipe clamps; a 901 casing; 902 an inlet; 903 a first roller; 904 a second roller; 905 an outlet; 10, fixing a ring; 11 a valve; 12 rubber plugs; 121 waterproof arc edges; 122 a hydrophobic material; 123 a rubber layer; 124 arc-shaped edge grooves; 125 springs; 13 a water storage space; 14 a gas generator; 15 electric push rod.
Detailed Description
The following is described in further detail with reference to the accompanying drawings and examples:
example 1:
as shown in fig. 1-9, a single adjustable vertical water sampling method comprises the following steps: submerging the water collecting device into water, and controlling the water tank 3 to gradually suck water in the descending process of the water collecting device; when the water sampling device reaches a specified depth, the water sampler 1 samples water; after water collection is finished, the rope is recovered, the water collection device rises, and the water tank 3 is controlled to gradually discharge water in the rising process; the water collecting device rises to the water surface to finish water collecting; and controlling a pipe clamp 9 clamped on a water outlet pipe 8 of the water sampler 1 to take out the sample water body. The water sampling device comprises a fixed frame, the fixed frame is composed of a fixed ring 10 and a fixed rod 4, a water sampling device 1 is fixed at the front end of the fixed frame through the fixed ring 10, a control box 2 is fixed at the rear end of the fixed frame through the fixed ring 10, water tanks 3 are fixed at the left side and the right side of the fixed frame through the fixed ring 10, and the fixed ring 10 is connected with the fixed rod 4 in pairs. The upper end of the water sampler 1 is connected with an upper cover 6, the lower end of the water sampler 1 is connected with a lower cover 7, the rear end of the water sampler 1 is provided with a telescopic mechanism, the lower end of the water sampler 1 is connected with a water outlet pipe 8, and the surface of the water outlet pipe 8 is provided with a pipe clamp 9. The telescopic mechanism comprises a bidirectional push rod 103, the head part of the bidirectional push rod 103 is connected with the upper cover 6 through a tension rope 102, the tail part of the bidirectional push rod 103 is connected with the lower cover 7 through the tension rope 102, and a rubber rope 101 positioned inside the water sampler 1 is connected between the inner walls of the upper cover 6 and the lower cover 7. Pipe clamp 9 includes casing 901, and casing 901 one end is equipped with hopper-shaped import 902, and import 902 upper end is equipped with first cylinder 903, and first cylinder 903 upper end is equipped with second cylinder 904, and second cylinder 904 upper end is equipped with cylindrical export 905, and first cylinder 903 and second cylinder 904 are the symmetry and set up. The top of the outer shell of the water tank 3 is connected with a valve 11, the valve 11 is connected with an exhaust pipe 5, the bottom of the outer shell of the water tank 3 is connected with a water inlet and outlet valve, the upper end inside the water tank 3 is provided with a gas generator 14, one side of the gas generator 14 is connected with an electric push rod 15, the electric push rod 15 is connected with a rubber plug 12, the lower end of the rubber plug 12 is a water storage space 13, and the water storage space 13 can store 10 kg. The terminal surface is hydrophobic material 122 about the plug 12, and the plug 12 middle part is rubber layer 123, and the border is waterproof arc limit 121 about the plug 12, and plug 12 lateral wall surface is equipped with arc limit groove 124, and the central angle of the arc of arc limit groove 124 is 25, and the rubber layer 123 center is equipped with the fretwork, and fretwork internal connection has spring 125.
The water collection method is simple and convenient to operate, is slightly influenced by ocean currents, has high water collection accuracy, small equipment volume and convenient operation, and provides great convenience for the water collection industry; the water tank 3 is matched with the water sampler 1 for use, so that the requirements on operators and equipment for water sampling can be reduced, the efficiency of water sampling in a shallow water layer can be improved, and the cost of water sampling operation is reduced; the telescopic mechanism enables the water sampler 1 to be automatically opened and closed in water, the operation is simple and effective, and the implementation is high; the pipe clamp 9 has a delicate structure, has a good water blocking effect on the water outlet pipe 8, has small damage to the water outlet pipe 8 and long service life, is also suitable for water blocking of a rubber pipe, and has a wide application prospect; the rubber plug 12 can effectively change the internal pressure of the water storage space 13, and the water inlet and outlet efficiency of the water tank 3 is improved.
Conventional techniques in this embodiment are known to those skilled in the art and will not be described in detail here.
Example 2:
as shown in fig. 1-9, a single adjustable vertical water sampling method comprises the following steps: submerging the water collecting device into water, and controlling the water tank 3 to gradually suck water in the descending process of the water collecting device; when the water sampling device reaches a specified depth, the water sampler 1 samples water; after water collection is finished, the rope is recovered, the water collection device rises, and the water tank 3 is controlled to gradually discharge water in the rising process; the water collecting device rises to the water surface to finish water collecting; and controlling a pipe clamp 9 clamped on a water outlet pipe 8 of the water sampler 1 to take out the sample water body. The water sampler 1 adopts an integral design with lighter weight, so that the water sampler is convenient for single-person operation; the water tank 3 has a counterweight effect, is convenient and reliable to fix, can adjust counterweight mass along with water depth change, and is matched with the water sampler 1 for use, so that the requirements on operators and equipment for water sampling can be lowered, the efficiency in shallow water layer sampling can be improved, and the cost of water sampling operation can be reduced; the pipe clamp 9 is convenient to take and place, the damage to the water outlet pipe 8 is small, and the water blocking effect is good. The water collection method is simple and convenient to operate, is slightly influenced by ocean currents, is high in water collection accuracy, is small in equipment size and convenient to operate, and provides great convenience for the water collection industry.
The water sampling device comprises a fixed frame, the fixed frame is composed of a fixed ring 10 and a fixed rod 4, a water sampling device 1 is fixed at the front end of the fixed frame through the fixed ring 10, a control box 2 is fixed at the rear end of the fixed frame through the fixed ring 10, water tanks 3 are fixed at the left side and the right side of the fixed frame through the fixed ring 10, and the fixed ring 10 is connected with the fixed rod 4 in pairs. The fixing frame is fixed reliably, the weight distribution of the whole device can be coordinated, and the water sampler 1, the water tank 3 and the control box 2 are fixed in a mode, so that the whole water sampler can effectively keep balance, and the normal work of the water sampler 1 is ensured.
The upper end of the water sampler 1 is connected with an upper cover 6, the lower end of the water sampler 1 is connected with a lower cover 7, the rear end of the water sampler 1 is provided with a telescopic mechanism, the lower end of the water sampler 1 is connected with a water outlet pipe 8, and the surface of the water outlet pipe 8 is provided with a pipe clamp 9. The water sampler 1 is simple in overall structure and good in collecting effect, the upper cover 6 and the lower cover 7 are controlled to be opened by the telescopic mechanism to collect a sample water body, the upper cover 6 and the lower cover 7 are closed after collection is finished, and the pipe clamp 9 blocks water outlet of the water outlet pipe 8 to prevent collected samples from being reduced or impure.
The telescopic mechanism comprises a bidirectional push rod 103, the head part of the bidirectional push rod 103 is connected with the upper cover 6 through a tension rope 102, the tail part of the bidirectional push rod 103 is connected with the lower cover 7 through the tension rope 102, and a rubber rope 101 positioned inside the water sampler 1 is connected between the inner walls of the upper cover 6 and the lower cover 7. The bidirectional push rod 103 is a waterproof component and can work normally in a water body; the rubber rope 101 is arranged between the inner walls of the upper cover 6 and the lower cover 7, has the function of retracting the upper cover 6 and the lower cover 7, and can restore the opened upper cover 6 and the opened lower cover 7 to a closed state; when the bidirectional push rod 103 is contracted, the pull rope 102 is pulled and the upper cover 6 and the lower cover 7 are opened, and then water body collection can be carried out; the telescopic mechanism enables the water sampler to be automatically opened and closed in water, and the water sampler is simple and effective to operate and high in implementation.
The top of the outer shell of the water tank 3 is connected with a valve 11, the valve 11 is connected with an exhaust pipe 5, the bottom of the outer shell of the water tank 3 is connected with a water inlet and outlet valve, the upper end inside the water tank 3 is provided with a gas generator 14, one side of the gas generator 14 is connected with an electric push rod 15, the electric push rod 15 is connected with a rubber plug 12, the lower end of the rubber plug 12 is a water storage space 13, and the water storage space 13 can store 8 kg. The valve 11 is opened when water enters the water tank 3 and is used for exhausting gas, so that the water inlet fluency is improved; the gas generator 14 is opened when the water tank 3 drains, is used for generating gas, maintains the air pressure in the water tank 3 and is beneficial to draining; the electric push rod 15 is controlled by the control box 2 to stretch and retract so as to achieve the effects that only water enters but not exits when the water tank 3 sinks, and only water exits but not enters when the water tank 3 ascends, and the rubber plug 12 connected with the electric push rod 15 ascends and descends along with the electric push rod 15, so that the internal pressure of the water storage space 13 is changed, and the purpose of controlling the water inlet and outlet of the water tank 3 is achieved. The water tank 3 is as the counter weight mechanism of the water sampler 1, and is fixed stable, is difficult for droing the landing, and the counter weight quality can be adjusted according to actual conditions to guarantee the perpendicular whereabouts of water sampler, gas generator 14 and electric push rod 15 are waterproof parts, normally work in aqueous, make the automatic effectual work of water tank 3, effectively avoid the influence of ocean current to water sampler 1, impel the further development of water sampling operation.
The terminal surface is hydrophobic material 122 about the plug 12, and the plug 12 middle part is rubber layer 123, and the border is waterproof arc limit 121 about the plug 12, and plug 12 lateral wall surface is equipped with arc limit groove 124, and the central angle of the arc of arc limit groove 124 is 30, and the rubber layer 123 center is equipped with the fretwork, and fretwork internal connection has spring 125. The hydrophobic material 122 can avoid the influence of the water body on the work of the rubber plug 12 from the inner wall of the water tank 3, and the hydrophobic material 122 is matched with the waterproof arc edge 121, so that the moisture left on the inner wall of the water tank 3 can be removed, and the influence on the tightness of the rubber plug 12 is avoided; arc limit groove 124 reduces the area of contact of plug and water tank 3 when guaranteeing the seal between plug 12 and the 3 inner walls of water tank, do benefit to the promotion of electric putter 15, and reducible plug 12 material uses, improve plug 12 utilization ratio, the radian of arc limit groove 124 can improve the intensity of the contact surface of rubber layer 123 and 3 inner walls of water tank, the spring 125 that the inner wall of rubber layer 123 is connected is the level setting, have pressure to rubber layer 123 both sides, can increase the pressure of rubber layer 123 and 3 inner wall contact surfaces of water tank, improve seal between the two, make plug 12 can effectively change the inside pressure in water storage space 13, improve the business turn over water efficiency of water tank 3.
The preparation method of the hydrophobic material 122 comprises the following steps: ultrasonically dispersing silicon dioxide nano particles in water to obtain dispersion liquid with the concentration of 1.3-3.5 mg/mL; adjusting the pH of the dispersion liquid to 4.6-7.7 by using hydrochloric acid, completely infiltrating the organic material matrix, and then adding a dopamine solution with the concentration of 0.3-1.2 mg/mL to obtain a mixed liquid; stirring the mixed solution soaked with the organic material matrix completely, taking out the organic material matrix, washing with distilled water, and drying; after drying, soaking in a mixed solution of ethyl 2-bromoisovalerate with the concentration of 0.02-0.04 mmol/L and siloxane with the concentration of 35-60 mmol/L for 18-26 h; and taking out after soaking, washing and drying to obtain the hydrophobic material 122. The preparation method has the advantages that the conditions are easy to control, the operability is high, the contact angle of the prepared hydrophobic material is larger than 150 degrees, the hydrophobicity is strong, the 2-bromoisovalerate added in the preparation process has a synergistic effect with siloxane, the soaked hydrophobic material is high in purity, the attachment of impurities in the preparation process is reduced, the Si-O-Si polymer functional group formed by the hydrophobic material can be improved, the hydrophobicity of the hydrophobic material 122 is improved, the hydrophobic material 122 can effectively avoid the influence of moisture on the rubber plug 12, the water inlet and outlet effectiveness and the water inlet and outlet efficiency of the water tank 3 are improved, and the accuracy of water collection operation is improved.
The outer wall of the water tank 3 is provided with a water pressure detector which can monitor the change of water pressure in real time, the detection result of the water pressure detector is input into the control box 2, the condition that the water collecting device is in ascending or descending is judged according to the change of the water pressure, the water level of the water collecting device can be judged, and then the water inlet and outlet and the water inlet and outlet amount of the water tank 3 are controlled, so that the water collecting device can change along with the depth, the quality is continuously increased, the rope is kept vertical, and the water collecting accuracy is improved; the water sampling device can continuously reduce the mass when rising, accelerate the rising speed, improve the working efficiency when shallow water sampling, and ensure that the water sampling device has more flexibility and practicability.
The control box 2 is electrically connected with the bidirectional push rod 103, the gas generator 14, the electric push rod 15, the valve 11 and the water pressure detector, the control box 2 uniformly controls all parts, the control is stable and accurate, the water sampling operation of the water sampling device is automatically and effectively carried out underwater, and the accuracy of the water sampling device for sampling a sample water body is also improved.
Conventional techniques in this embodiment are known to those skilled in the art and will not be described in detail here.
Example 3:
as shown in fig. 1-9, a single adjustable vertical water sampling method comprises the following steps: the water collecting device is submerged under water by a rope, the control box 2 controls the valve 11 to open and the water inlet and outlet valves in the descending process of the water collecting device, so that the electric push rod 15 works, the rubber plug 12 slowly moves upwards from the bottom of the water tank 3, the air pressure in the water storage space 13 changes, and the water pressure acts to gradually suck the water tank 3 into the water body, the weight of the water tank 3 is gradually increased, and the water collecting device 1 is always kept in a vertical falling state to improve the accuracy of sample water body collection; when the water sampling device reaches a specified depth, the control box 2 controls the valve 11 and the water inlet and outlet valves to be closed, the electric push rod 15 stops working, the bidirectional push rod 103 contracts, the pull rope 102 pulls the upper cover 6 and the lower cover 7 to be opened, the sample water body enters the water sampler 1, after water sampling is finished, the control box 2 controls the bidirectional push rod 103 to extend, the pull rope 102 loses the pull force, and the upper cover 6 and the lower cover 7 are closed again due to the recovery effect of the rubber rope 101 and the water pressure effect; after water is collected, the rope is recovered, the water collecting device rises, the control box 2 controls the water inlet and outlet valves to be opened in the rising process, the gas generator 14 gradually releases gas, the electric push rod 15 pushes the rubber plug to move downwards, so that the water tank 3 gradually discharges water, the weight is reduced, and the recovery is convenient; the water collecting device rises to the water surface to finish water collecting; and controlling a pipe clamp 9 clamped on a water outlet pipe 8 of the water sampler 1 to take out the sample water body.
Conventional techniques in this embodiment are known to those skilled in the art and will not be described in detail here.
Example 4:
by adopting the water sampling device and the water sampling method in the embodiment 2, compared with the existing clamping cover type water sampling device purchased from Beijing pulaite instruments Co., Ltd, the water sampling device in the embodiment 2 is set as an experimental group, and the existing clamping cover type water sampling device is set as a control group.
The experiment place is taken the boat mountain and is decided the sea to the near waters of dish island, sample water sampling target depth is 65m, the wave is suitable during the experiment, the waters sea water flows suitably, the experiment divide into two sets ofly, set up the mark target in the target sea area before the experiment, fixed vertical and horizontal line, and have the scale, during the experiment of every turn simultaneously with two sets of hydrophones submergence, two sets of hydrophones are transferred the position and are close to, the sea water flow condition is close, the position of two sets of hydrophones sets up on same horizontal plane for perpendicular sea water flow direction, two sets of hydrophones all adopt the rope, carry out three experiments of groups, every group carries out water sampling operation 10 times, calculate average horizontal offset, the record is in the following.
The data in the table show that the horizontal offset of the water sampler is far smaller than that of the existing water sampler, the water sampler is less affected by ocean currents, the offset is less during water sampling operation, the accuracy of the sampled water is high, and the water sampler has a wider application prospect.
The water storage space 13 of the water tank 3 can store 5-10 kg of water, and also includes 5kg, 5.1kg, 5.2kg, 5.3kg, 5.4kg … …, 9.9kg, or 10 kg.
The central angle of the arc side groove 124 is not limited to 23-31 °, and may include 23 °, 23.1 °, 23.2 °, 23.3 °, 23.4 °, … … °, 30.9 °, and 31 °.
Conventional techniques in this embodiment are known to those skilled in the art and will not be described in detail here.
The above embodiments are merely illustrative, and not restrictive, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (3)
1. A single adjustable vertical water sampling method is characterized in that: the water collection method comprises the following steps: submerging the water collecting device into water, and controlling the water tank (3) to gradually suck water in the descending process of the water collecting device; when the water sampling device reaches a specified depth, the water sampling device (1) samples water; after water collection is finished, the rope is recovered, the water collection device rises, and the water tank (3) is controlled to gradually discharge water in the rising process; the water collecting device rises to the water surface to finish water collecting; controlling a pipe clamp (9) clamped by a water outlet pipe (8) of the water sampler (1) to take out a sample water body; the water sampling device comprises a fixed frame, the fixed frame consists of a fixed ring (10) and fixed rods (4), a water sampler (1) is fixed at the front end of the fixed frame through the fixed ring (10), a control box (2) is fixed at the rear end of the fixed frame through the fixed ring (10), water tanks (3) are fixed at the left side and the right side of the fixed frame through the fixed ring (10), and the fixed rods (4) are connected with the fixed ring (10) in pairs; the pipe clamp (9) comprises a shell (901), one end of the shell (901) is provided with an inlet (902), the upper end of the inlet (902) is provided with a first roller (903), the upper end of the first roller (903) is provided with a second roller (904), the upper end of the second roller (904) is provided with a cylindrical outlet (905), and the first roller (903) and the second roller (904) are symmetrically arranged; the water storage device is characterized in that a valve (11) is connected to the top of a shell of the water tank (3), the valve (11) is connected with an exhaust pipe (5), a water inlet and outlet valve is connected to the bottom of the shell of the water tank (3), a gas generator (14) is arranged at the upper end inside the water tank (3), one side of the gas generator (14) is connected with an electric push rod (15), the electric push rod (15) is connected with a rubber plug (12), a water storage space (13) is arranged at the lower end of the rubber plug (12), and the water storage space (13) can store 5-10 kg of water; the valve (11) is opened when water enters the water tank (3) and is used for exhausting gas, so that the water inlet fluency is improved; the gas generator (14) is opened when the water tank (3) is drained, and is used for generating gas and maintaining the internal air pressure of the water tank (3); the rubber stopper (12) up and down terminal surface be hydrophobic material (122), rubber stopper (12) middle part be rubber layer (123), rubber stopper (12) upper and lower border be waterproof arc limit (121), rubber stopper (12) lateral wall surface be equipped with arc limit groove (124), the central angle of the arc of arc limit groove (124) be 23~31, rubber layer (123) center be equipped with the fretwork, fretwork internal connection have spring (125).
2. The single adjustable vertical water sampling method according to claim 1, characterized in that: the upper end of the water sampler (1) is connected with an upper cover (6), the lower end of the water sampler (1) is connected with a lower cover (7), the rear end of the water sampler (1) is provided with a telescopic mechanism, the lower end of the water sampler (1) is connected with a water outlet pipe (8), and the surface of the water outlet pipe (8) is provided with a pipe clamp (9); the preparation method of the hydrophobic material (122) comprises the following steps: ultrasonically dispersing silicon dioxide nano particles in water to obtain dispersion liquid with the concentration of 1.3-3.5 mg/mL; adjusting the pH of the dispersion liquid to 4.6-7.7 by using hydrochloric acid, completely infiltrating the organic material matrix, and then adding a dopamine solution with the concentration of 0.3-1.2 mg/mL to obtain a mixed liquid; stirring the mixed solution soaked with the organic material matrix completely, taking out the organic material matrix, washing with distilled water, and drying; after drying, soaking in a mixed solution of ethyl 2-bromoisovalerate with the concentration of 0.02-0.04 mmol/L and siloxane with the concentration of 35-60 mmol/L for 18-26 h; and taking out after soaking, washing and drying to obtain the hydrophobic material (122).
3. The single adjustable vertical water sampling method according to claim 2, characterized in that: the telescopic mechanism comprises a bidirectional push rod (103), the head part of the bidirectional push rod (103) is connected with the upper cover (6) through a tension rope (102), the tail part of the bidirectional push rod (103) is connected with the lower cover (7) through the tension rope (102), and a rubber rope (101) positioned inside the water sampler (1) is connected between the inner walls of the upper cover (6) and the lower cover (7).
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| CN108562649B (en) * | 2018-03-21 | 2020-09-11 | 哈尔滨工程大学 | Device and method for measuring low-frequency insertion loss of near-water-surface cylindrical shell backing covering layer |
| CN108387403B (en) * | 2018-04-13 | 2020-06-23 | 自然资源部第一海洋研究所 | Device for continuously sampling surface water of deep sea |
| CN110208046A (en) * | 2019-07-09 | 2019-09-06 | 中国人民解放军国防科技大学 | Vertical channel water sampler with self-rotating body |
| CN112414772B (en) * | 2020-10-19 | 2023-05-12 | 浙江海洋大学 | Deep sea automatic lifting layered water sampling device |
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| JP2017138280A (en) * | 2016-02-05 | 2017-08-10 | 株式会社川本製作所 | Water sampling device |
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