CN113532953A - Automatic water sample collecting and detecting method for environmental protection - Google Patents
Automatic water sample collecting and detecting method for environmental protection Download PDFInfo
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- CN113532953A CN113532953A CN202110832700.7A CN202110832700A CN113532953A CN 113532953 A CN113532953 A CN 113532953A CN 202110832700 A CN202110832700 A CN 202110832700A CN 113532953 A CN113532953 A CN 113532953A
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
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Abstract
The invention discloses an automatic water sample acquisition and detection method for environmental protection, which comprises the following steps of: step a, designing an automatic water sample acquisition system; step b: before sampling the water body at the sampling point, selecting a sampling position according to specific requirements and installing a sample containing assembly; step c: installing an anti-interference component; step d: installing a sample containing assembly; step e: the position of the device is adjusted by utilizing the adjusting assembly, the adjusting screw rod is rotated, the L-shaped rod is pushed to move under the sliding fit of the sliding chute and the sliding block, the integrated disc is driven to move, the position of the integrated disc is adjusted to be positioned right above the sampling point, then the device is wholly placed under water, the bottom end of the top plate is flush with the water surface, finally, the internal thread pipes in the outer pipes are rotated, the sampling ports are leaked out, water body sampling is carried out, after the sampling is finished, the internal thread pipes are reversed, the sampling ports are sealed, and the device is taken out; step f: and e, detecting the water sample taken out in the step e.
Description
Technical Field
The invention relates to the field of environmental protection, in particular to an automatic water sample collection and detection method for environmental protection.
Background
Water sample collection is an important link for water quality detection and monitoring, and the water sample collection refers to collecting water samples of environmental water bodies or polluted water bodies and obtaining basic water pollution data through analysis and determination. The water sample for analysis should be representative and can reflect the chemical composition and characteristics of the water body. The method, position, time, frequency and the like of water sample collection are determined according to the characteristics of the water body and the analysis purpose, and the water sample collection is usually carried out twenty to fifty centimeters below the water surface, and the water sample can be layered sampled at different depths if necessary. Present sampling device can only take a sample to the water top layer mostly, can sneak into the water on top layer when taking a sample to the great position of degree of depth, causes the sample inaccurate, and the water of a plurality of depths can't be gathered simultaneously to the same sampling point of same time simultaneously, need carry out the repeated collection.
Disclosure of Invention
The invention aims to provide an automatic water sample collection and detection method for environmental protection, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an automatic water sample collection and detection method for environmental protection comprises the following steps:
step a, design a water sample automatic acquisition system, this collection system holds the subassembly including integrated subassembly and sample, integrated subassembly includes single-point sample connection (2), four-point sample connection (3), six point sample connection (4), eight point sample connection (5), connecting plate (10), connecting bolt (12), mounting hole (13), closing cap (14) and magnet (16), wherein: the single-point sampling port (2) is arranged in the center of the top end of the integrated disc (1), the four-point sampling ports (3) are four in number, the six-point sampling ports (4) are six in number, the eight-point sampling ports (5) are eight in number, the four-point sampling port (3), the six-point sampling port (4) and the eight-point sampling port (5) are uniformly arranged in the center of the integrated disc (1) in the circumferential direction, and the single-point sampling port (2), the four-point sampling port (3), the six-point sampling port (4) and the eight-point sampling port (5) are all screw holes penetrating through the integrated disc (1); the top end of the integrated disc (1) is provided with a mounting groove (6), the edge center of the mounting groove (6) is symmetrically provided with connecting grooves (7), the center of the bottom end of each connecting groove (7) is provided with a connecting screw hole (8), and a weight box (9) is arranged in each mounting groove (6); the connecting plate (10) is fixed at the bottom end of the side wall of the weight box (9) and is matched with the connecting groove (7), a through screw hole (11) is formed in the center of the connecting plate (10), the connecting bolt (12) is in threaded connection with the through screw hole (11) and the connecting screw hole (8), and the mounting holes (13) are formed in four corners of the top end of the weight box (9); a closing plate (15) is fixed at the center of the bottom end of the closing cover (14), the magnets (16) are arranged at four corners of the bottom end of the closing cover (14) and are matched with the mounting holes (13), and a handle (17) is fixed at the center of the top end of the closing cover (14); upright posts (18) are fixed on two sides of the center of the top end of the closed cover (14), and a top plate (19) is fixed in the center of the top end of each upright post (18);
the sample holds subassembly and includes connection external screw thread (21), internal thread pipe (25), closure plug (26) and instruction scale (27), wherein: the connecting external thread (21) is arranged at the top end of the side wall of the outer pipe (20), a limiting ring (22) is fixed at the bottom end of the connecting external thread (21), and sampling ports (23) are arranged on the side wall of the outer pipe (20) at equal intervals; an internal thread (24) is arranged on the inner wall of the outer tube (20), the internal thread tube (25) is matched with the internal thread (24) and is in threaded connection with the inner wall of the outer tube (20), the length of the internal thread tube (25) is larger than that of the outer tube (20), the sealing plug (26) seals the sampling opening (23), and the indication scale (27) is matched with the sampling opening (23) for arrangement;
the other jam-proof subassembly that is provided with of sample connection (23), the jam-proof subassembly is including slot (28), connecting screw (31) and small opening (32), wherein: the sampling device is characterized in that the insertion grooves (28) are symmetrically arranged on two sides of the center of the sampling port (23), the connecting holes (29) penetrate through the insertion grooves (28), the protection plate (30) is connected in the insertion grooves (28), the connecting screws (31) are in threaded connection with the protection plate (30) and the connecting holes (29), and the leakage holes (32) are arranged on the side face of the protection plate (30);
roof (19) top center has been seted up and has been run through screw (33), roof (19) are connected with adjusting part, adjusting part is including fixed thread (35), regulation screw (40) and adjusting screw (41), wherein: the fixing threads (35) are arranged at the bottom end of the side wall of the vertical part of the L-shaped rod (34) and are matched with the through screw holes (33), the outer part of the L-shaped rod (34) is provided with an outer cylinder (36), and the inner wall of the outer cylinder (36) is provided with a sliding groove (37); a sliding block (38) is connected in the sliding groove (37) in a sliding mode, the sliding block (38) is fixed to the outer wall of a sliding ring (39), and the inner wall of the sliding ring (39) is fixed to the L-shaped rod (34); the adjusting screw hole (40) is formed in one end of the outer cylinder (36), and the adjusting screw rod (41) penetrates through the adjusting screw hole (40) in a threaded mode and is fixed to the center of the end portion of the L-shaped rod (34);
step b: before sampling the water body of a sampling point, selecting a sampling position according to specific requirements, and when a shallow position is required to be sampled, selecting a four-point sampling port (3), a six-point sampling port (4) and an eight-point sampling port (5) which are staggered with a top plate (19) to install a sample containing assembly, so that the sampling of the shallow position is realized; when a deeper position needs to be sampled, the single-point sampling port (2), the four-point sampling port (3), the six-point sampling port (4) and the eight-point sampling port (5) are randomly selected to install the sample containing assembly; when positions with multiple depths need to be sampled, a single-point sampling port (2), a four-point sampling port (3), a six-point sampling port (4) and an eight-point sampling port (5) can be freely selected to install a plurality of sample containing assemblies, and the common sampling of water samples with multiple depths at the same sampling point at the same time is realized;
step c: before the sample holds the subassembly installation, utilize the cooperation of instruction scale (27) and thief hatch (23), according to the requirement of the sampling depth, select suitable thief hatch (23), seal other thief hatches under the effect of closing plug (26), install the interference prevention subassembly in the thief hatch (23) both sides that leak simultaneously, utilize the grafting cooperation of guard plate (30) and connecting hole and (29), install guard plate (30) in slot (29), and carry out the threaded fixation through connecting screw (31), avoid when the sample in the water big debris shield get into thief hatch (23);
step d: after the anti-interference component is installed, the weight box (9) is installed in the installation groove (6), and the weight box (9) is fixed under the matching of the connecting bolt (12), the through screw hole (11) and the connecting screw hole (8) through the matching of the connecting groove (7) and the connecting plate (10); the weight box (9) is sealed through the sealing cover (14) by utilizing the magnetic matching of the magnet (16) and the box mounting hole (13), and finally, the mounting of the sample containing assembly is realized by utilizing the matching of the connecting external thread (21) and the selected sampling port;
step e: the position of the adjusting component adjusting device is utilized, the adjusting screw rod (41) is rotated, the L-shaped rod (34) is pushed to move under the sliding fit of the sliding chute (37) and the sliding block (38), the integrated disc (1) is further driven to move, the position of the integrated disc is adjusted to be located right above a sampling point, then the whole device is placed under water, the bottom end of the top plate (19) is flush with the water surface, finally, the internal thread pipes (25) in the outer pipes (20) are rotated, the sampling ports (23) are leaked out, water body sampling is carried out, after the sampling is completed, the internal thread pipes (25) are reversed, the sampling ports (23) are sealed, and the device is taken out;
step f: and e, detecting the water sample taken out in the step e.
In the scheme, the inner side surface of the protection plate (30) is an arc surface matched with the outer pipe (20) in an arc shape, and the height of the protection plate (30) is larger than the diameter of the sampling port (23).
In the scheme, the inner diameter of the outer cylinder (36) is equal to the diameter of the horizontal part of the L-shaped rod (34), one end of the outer cylinder (36) is open, and the other end of the outer cylinder is closed, and the length of the outer cylinder (36) is larger than that of the horizontal part of the L-shaped rod (34).
In the scheme, the sliding chutes (37) are four groups in total and are uniformly arranged on the inner wall of the outer cylinder (36) in a circumference mode, the end face of the sliding block (38) is an arc-shaped face matched with the inner wall of the outer cylinder (36), and the length of the adjusting screw rod (41) is equal to that of the outer cylinder (36).
Has the advantages that:
when the detection method is adopted to sample the water body at the sampling point, the sampling position is selected according to specific requirements, and when the position with shallow depth needs to be sampled, the four-point sampling port, the six-point sampling port and the eight-point sampling port of the staggered top plate can be selected to mount the sample containing assembly, so that the sampling at the position with shallow depth is realized; when a deeper position needs to be sampled, the single-point sampling port, the four-point sampling port, the six-point sampling port and the eight-point sampling port are randomly selected to install the sample containing assembly; when positions with multiple depths need to be sampled, a single-point sampling port, a four-point sampling port, a six-point sampling port and an eight-point sampling port can be freely selected to install a plurality of sample containing assemblies, and the common sampling of water samples with multiple depths at the same sampling point at the same time is realized;
before the sample containing assembly is installed, the proper sampling port is selected according to the requirement of sampling depth by utilizing the matching of the indication scale and the sampling port, other sampling ports are sealed under the action of a sealing plug, meanwhile, the anti-interference assembly is installed on the two sides of the leaked sampling port, and the protection plate is installed in the slot and is fixed by the screw thread through the connection screw by utilizing the inserting and matching of the protection plate and the connection hole, so that large impurities in a water body are prevented from being shielded and entering the sampling port during sampling; after the anti-interference component is installed, the weight box is installed in the installation groove, the weight box is fixed under the matching of the connecting bolt, the through screw hole and the connecting screw hole through the matching of the connecting groove and the connecting plate, the device can enter the water surface, the weight box is sealed through the sealing cover through the magnetic matching of the magnet box installation hole, and finally the installation of the sample containing component is realized through the matching of the connecting external thread and the selected sampling port, so that the sample containing component is convenient to assemble and disassemble;
according to the invention, the position of the adjusting component adjusting device is utilized, the adjusting screw rod is rotated, the L-shaped rod is pushed to move under the sliding fit of the sliding chute and the sliding block, and then the integrated disc is driven to move to adjust the position of the integrated disc to be positioned right above the sampling point, so that the position between the adjusting device and the sampling point can be specifically adjusted, and meanwhile, the adjusting component and the top plate are installed by penetrating through the screw hole and the thread fit of the fixed thread.
Drawings
FIG. 1 is a schematic structural diagram of an automatic water sample collection and detection system adopted in the present invention;
FIG. 2 is a schematic diagram of an integrated component structure of the automatic water sample collection and detection system adopted in the present invention;
FIG. 3 is a schematic structural diagram of an integrated tray of the automatic water sample collection and detection system adopted in the present invention;
FIG. 4 is a schematic structural diagram of a weight box of the automatic water sample collection and detection system adopted in the present invention;
FIG. 5 is a schematic view of a structure of a sealing cover of the automatic water sample collection and detection system adopted by the present invention;
FIG. 6 is a schematic view of a sample holding assembly of the automatic water sample collection and detection system of the present invention;
FIG. 7 is a cross-sectional view of FIG. 6;
FIG. 8 is an enlarged view of the structure at A in FIG. 6;
FIG. 9 is a cross-sectional view of FIG. 1;
FIG. 10 is an enlarged view of the structure at B in FIG. 9;
Detailed Description
The present invention will be further described with reference to the following examples.
As shown in fig. 1 to 10, the invention discloses an automatic water sample collection and detection method for environmental protection, which comprises the following steps:
step a, designing an automatic water sample collection system, which comprises an integrated assembly and a sample containing assembly, wherein the integrated assembly comprises an integrated disc 1, a single-point sampling port 2, a four-point sampling port 3, a six-point sampling port 4, an eight-point sampling port 5, a mounting groove 6, a connecting groove 7, a connecting screw hole 8, a weight box 9, a connecting plate 10, a through screw hole 11, a connecting bolt 12, a mounting hole 13, a sealing cover 14, a sealing plate 15, a magnet 16, a handle 17, an upright rod 18 and a top plate 19, the single-point sampling port 2 is arranged at the center of the top end of the integrated disc 1, the four-point sampling ports 3 are four groups, the six-point sampling port 4 is six groups, the eight-point sampling port 5 is eight groups, the circumferences of the four-point sampling port 3, the six-point sampling port 4 and the eight-point sampling port 5 are uniformly arranged at the center of the integrated disc 1, the single-point sampling port 2, the four-point sampling port 3, the six-point sampling port 4 and the eight-point sampling port 5 are screw holes penetrating the integrated disc 1, the mounting grooves 6 are arranged at the top end of the integrated disc 1, the mounting grooves 6 are four groups in total and are symmetrically arranged at two sides of the center of the top end of the integrated disc 1, the connecting grooves 7 are symmetrically arranged at the center of the edge of the mounting groove 6, the connecting screw hole 8 is arranged at the center of the bottom end of the connecting groove 7, the weight box 9 is arranged in the mounting groove 6 and is internally provided with a balancing weight, the connecting plate 10 is fixed at the bottom end of the side wall of the weight box 9 and is matched with the connecting groove 7, the through screw hole 11 is arranged at the center of the connecting plate 10, the connecting bolt 12 is in threaded connection with the through screw hole 11 and the connecting screw hole 8, the mounting holes 13 are arranged at four corners of the top end of the weight box 9, the size of the horizontal section of the sealing cover 14 is equal to the size of the outer edge of the horizontal section of the weight box 9, the sealing plate 15 is fixed at the center of the bottom end of the sealing cover 14, the magnets 16 are arranged at four corners of the bottom end of the sealing cover 14 and are matched with the mounting holes 13, the handle 17 is fixed at the center of the top end of the sealing cover 14, the bottom end of the mounting hole 13 is in magnetic fit with the magnet 16, a protective pad is arranged on the surface wall of the handle 17, the sealing cover 14, the sealing plate 15 and the handle 17 are all made of corrosion-resistant materials, upright rods 18 are symmetrically fixed on two sides of the center of the top end of the sealing cover 14, a top plate 19 is fixed at the center of the top end of the upright rod 18, the weight box 9 is installed in the mounting groove 6, the weight box 9 is fixed under the matching of the connecting groove 7 and the connecting plate 10 through the matching of the connecting bolt 12 and the threads penetrating through the screw hole 11 and the connecting screw hole 8, the weight block is placed in the weight box 9, the device can enter the water surface, and the weight box 9 is sealed through the sealing cover 14 through the magnetic fit of the magnet 16 box mounting hole 13;
the sample containing assembly comprises an outer tube 20, a connecting external thread 21, a limiting ring 22, a sampling opening 23, an internal thread 24, an internal thread tube 25, a sealing plug 26 and an indication scale 27, wherein the connecting external thread 21 is arranged at the top end of the side wall of the outer tube 20, the connecting external thread 21 is matched with a single-point sampling opening 2, a four-point sampling opening 3, a six-point sampling opening 4 and an eight-point sampling opening 5, the length of the connecting external thread 21 is greater than the thickness of the integrated disc 1, the limiting ring 22 is fixed at the bottom end of the connecting external thread 21, the sampling openings 23 are equidistantly arranged on the side wall of the outer tube 20, the sampling openings 23 are arranged at equal intervals from the bottom end of the limiting ring 22 on the side wall of the outer tube 20, the internal thread 24 is arranged on the inner wall of the outer tube 20, the internal thread 24 is discontinuously arranged on the area of the inner wall of the outer tube 20 between the adjacent sampling openings 23, the internal thread tube 25 is matched with the internal thread 24 and is in the outer tube 20, the length of the internal thread tube 25 is greater than the length of the outer tube 20, the closed plug 26 seals the sampling port 23, the indication scale 27 is matched with the sampling port 23, the closed plug 26 is an elastic sealing plug, the indication scale 27 is arranged above the sampling port 23, when the water body of a sampling point is sampled, the sampling position is selected according to specific requirements, when the position with shallow depth needs to be sampled, the four-point sampling port 3, the six-point sampling port 4 and the eight-point sampling port 5 of the top plate 19 can be selected to be staggered for installing the sample containing component, the sampling at the position with shallow depth is realized, when the position with deep depth needs to be sampled, the single-point sampling port 2, the four-point sampling port 3, the six-point sampling port 4 and the eight-point sampling port 5 can be selected at will for installing the sample containing component, when the positions with multiple depths need to be sampled, the single-point sampling port 2, the four-point sampling port 3, the six-point sampling port 4 and the eight-point sampling port 5 can be selected freely for installing the multiple sample containing components, the common sampling of water samples of multiple depths at the same sampling point at the same time is realized.
As shown in fig. 6 and 8, embodiment 2 is a further modification of embodiment 1.
An anti-interference component is arranged beside the sampling port 23, the anti-interference component comprises slots 28, connecting holes 29, protection plates 30, connecting screws 31 and leak holes 32, the slots 28 are symmetrically arranged at two sides of the center of the sampling port 23, the connecting holes 29 penetrate through the slots 28, the protection plates 30 are connected in the slots 28, the inner side surfaces of the protection plates 30 are arc-shaped cambered surfaces matched with the outer pipe 20 in an arc shape, the height of the protection plates 30 is larger than the diameter of the sampling port 23, the connecting screws 31 are in threaded connection with the protection plates 30 and the connecting holes 29, the leak holes 32 are uniformly arranged on the side surfaces of the protection plates 30 at equal intervals, the vertical distance from the bottom end of the integration plate 1 to the bottom end of the top plate 19 is twenty centimeters, the height of the outer pipe 20 is slightly larger than fifty centimeters, before the sample containing component is installed, the indication scales 27 are matched with the sampling port 23, a proper sampling port 23 is selected according to the requirement of sampling depth, other sampling ports 23 are sealed under the action of the sealing plug 26, simultaneously with the jam-proof subassembly install in 23 both sides of the sample connection that spill, utilize the grafting cooperation of guard plate 30 and connecting hole and 29, install guard plate 30 in slot 29 to carry out the threaded fixation through connecting screw 31, avoid when the sample in the water big debris shield get into in the sample connection 23.
Example 3 is a further modification to example 1.
As shown in fig. 1, 9 and 10, a through screw hole 33 is formed in the center of the top end of the top plate 19, the top plate 19 is connected with an adjusting component, the adjusting component comprises an L-shaped rod 34, a fixed thread 35, an outer cylinder 36, a sliding chute 37, a sliding block 38, a sliding ring 39, an adjusting screw hole 40 and an adjusting screw rod 41, the fixed thread 35 is arranged at the bottom end of the side wall of the vertical part of the L-shaped rod 34 and is matched with the through screw hole 33, the outer cylinder 36 is arranged outside the L-shaped rod 34, the inner diameter of the outer cylinder 36 is equal to the diameter of the horizontal part of the L-shaped rod 34, one end of the outer cylinder 36 is open and closed, the length of the outer cylinder 36 is greater than that of the horizontal part of the L-shaped rod 34, the sliding chute 37 is arranged on the inner wall of the L-shaped rod 36, the sliding block 38 slides in the sliding chute 37, the sliding chute 37 has four groups and the circumference is uniformly arranged on the inner wall of the outer cylinder 36, the end surface of the sliding block 38 is an arc surface matched with the inner wall of the outer cylinder 36, the sliding ring 39 is fixed on the sliding block 38, the inner wall of the sliding ring 39 is fixed on the L-shaped rod 34, the adjusting screw hole 40 is arranged at one end of the outer cylinder 36, the adjusting screw 41 penetrates through the adjusting screw hole 40 and is fixed at the center of the end part of the L-shaped rod 34, the length of the adjusting screw 41 is equal to that of the outer cylinder 36, and the adjusting screw 41 is rotated to push the L-shaped rod 34 to move under the sliding fit of the sliding chute 37 and the sliding block 38 by utilizing the position of the adjusting component adjusting device, so that the integrated disc 1 is driven to move, and the position of the integrated disc is adjusted to be located right above the sampling point.
Step b: before the water sample to the sampling point, the installation sample holds the subassembly, specifically is: select the position of sample according to specific demand, when the position to less shallow degree of depth is sampled to needs, can select four point sample connection 3, six point sample connection 4 and eight point sample connection 5 of staggering roof 19 to carry out the installation that the sample held the subassembly, realize the sample of the less shallow position of degree of depth. When the position of needs to the deep degree of depth is sampled, single-point sample connection 2, four-point sample connection 3, six point sample connection 4 and eight point sample connection 5 select at will to carry out the installation that the sample held the subassembly. When the position of a plurality of depths is sampled to needs, can freely select single-point sample connection 2, four-point sample connection 3, six point sample connection 4 and eight point sample connection 5 to carry out the installation that a plurality of samples held the subassembly, realize taking jointly of the water sample of a plurality of depths of same sampling point at the same time.
Step c: installation jam-proof subassembly specifically is: utilize the cooperation of instruction scale 27 and thief hatch 23, according to the requirement of the sample depth, select suitable thief hatch 23, seal other thief hatches under the effect of closing plug 26, install the thief hatch 23 both sides that spill with the jam-proof subassembly simultaneously, utilize the grafting cooperation of guard plate 30 and connecting hole and 29, install guard plate 30 in slot 29, and carry out the threaded fixation through connecting screw 31, avoid when the sample in the water big debris shield get into in thief hatch 23.
Step d: after the installation of jam-proof subassembly is accomplished, the installation sample holds the subassembly, specifically is: the weight box 9 is installed in the installation groove 6, and the weight box 9 is fixed by the cooperation of the connection groove 7 and the connection plate 10 under the screw-thread cooperation of the connection bolt 12, the through screw hole 11 and the connection screw hole 8. Utilize the magnetism cooperation of 16 box mounting holes 13 of magnet, seal weight box 9 through closing cap 14, utilize the cooperation of connecting external screw thread 21 and selected sample connection at last, realize the sample and hold the installation of subassembly.
Step e: utilize adjusting part adjusting device's position, through rotating adjusting screw 41, under the sliding fit of spout 37 and slider 38, promote L type pole 34 and remove, and then drive integrated dish 1 and remove, adjust its position, make it be located directly over the sampling point, then put into the device wholly under water, make roof 19 bottom and surface of water parallel and level, rotate the internal thread pipe 25 in each outer tube 20 at last, spill sample connection 23, carry out the water sample, the sample is accomplished the back, reverse internal thread pipe 25, seal sample connection 23, and take out the device.
Step f: and e, detecting the water sample taken out in the step e, wherein instruments and detection means adopted for detection are completely the same as those in the prior art, and are not repeated herein. The environmental protection staff can monitor according to the detection data of water sample for a long time.
Claims (4)
1. An automatic water sample collection and detection method for environmental protection comprises the following steps:
step a, design a water sample automatic acquisition system, this collection system holds the subassembly including integrated subassembly and sample, integrated subassembly includes single-point sample connection (2), four-point sample connection (3), six point sample connection (4), eight point sample connection (5), connecting plate (10), connecting bolt (12), mounting hole (13), closing cap (14) and magnet (16), wherein: the single-point sampling port (2) is arranged in the center of the top end of the integrated disc (1), the four-point sampling ports (3) are four in number, the six-point sampling ports (4) are six in number, the eight-point sampling ports (5) are eight in number, the four-point sampling port (3), the six-point sampling port (4) and the eight-point sampling port (5) are uniformly arranged in the center of the integrated disc (1) in the circumferential direction, and the single-point sampling port (2), the four-point sampling port (3), the six-point sampling port (4) and the eight-point sampling port (5) are all screw holes penetrating through the integrated disc (1); the top end of the integrated disc (1) is provided with a mounting groove (6), the edge center of the mounting groove (6) is symmetrically provided with connecting grooves (7), the center of the bottom end of each connecting groove (7) is provided with a connecting screw hole (8), and a weight box (9) is arranged in each mounting groove (6); the connecting plate (10) is fixed at the bottom end of the side wall of the weight box (9) and is matched with the connecting groove (7), a through screw hole (11) is formed in the center of the connecting plate (10), the connecting bolt (12) is in threaded connection with the through screw hole (11) and the connecting screw hole (8), and the mounting holes (13) are formed in four corners of the top end of the weight box (9); a closing plate (15) is fixed at the center of the bottom end of the closing cover (14), the magnets (16) are arranged at four corners of the bottom end of the closing cover (14) and are matched with the mounting holes (13), and a handle (17) is fixed at the center of the top end of the closing cover (14); upright posts (18) are fixed on two sides of the center of the top end of the closed cover (14), and a top plate (19) is fixed in the center of the top end of each upright post (18);
the sample holds subassembly and includes connection external screw thread (21), internal thread pipe (25), closure plug (26) and instruction scale (27), wherein: the connecting external thread (21) is arranged at the top end of the side wall of the outer pipe (20), a limiting ring (22) is fixed at the bottom end of the connecting external thread (21), and sampling ports (23) are arranged on the side wall of the outer pipe (20) at equal intervals; an internal thread (24) is arranged on the inner wall of the outer tube (20), the internal thread tube (25) is matched with the internal thread (24) and is in threaded connection with the inner wall of the outer tube (20), the length of the internal thread tube (25) is larger than that of the outer tube (20), the sealing plug (26) seals the sampling opening (23), and the indication scale (27) is matched with the sampling opening (23) for arrangement;
the other jam-proof subassembly that is provided with of sample connection (23), the jam-proof subassembly is including slot (28), connecting screw (31) and small opening (32), wherein: the sampling device is characterized in that the insertion grooves (28) are symmetrically arranged on two sides of the center of the sampling port (23), the connecting holes (29) penetrate through the insertion grooves (28), the protection plate (30) is connected in the insertion grooves (28), the connecting screws (31) are in threaded connection with the protection plate (30) and the connecting holes (29), and the leakage holes (32) are arranged on the side face of the protection plate (30);
roof (19) top center has been seted up and has been run through screw (33), roof (19) are connected with adjusting part, adjusting part is including fixed thread (35), regulation screw (40) and adjusting screw (41), wherein: the fixing threads (35) are arranged at the bottom end of the side wall of the vertical part of the L-shaped rod (34) and are matched with the through screw holes (33), the outer part of the L-shaped rod (34) is provided with an outer cylinder (36), and the inner wall of the outer cylinder (36) is provided with a sliding groove (37); a sliding block (38) is connected in the sliding groove (37) in a sliding mode, the sliding block (38) is fixed to the outer wall of a sliding ring (39), and the inner wall of the sliding ring (39) is fixed to the L-shaped rod (34); the adjusting screw hole (40) is formed in one end of the outer cylinder (36), and the adjusting screw rod (41) penetrates through the adjusting screw hole (40) in a threaded mode and is fixed to the center of the end portion of the L-shaped rod (34);
step b: before sampling the water body of a sampling point, selecting a sampling position according to specific requirements, and when a shallow position is required to be sampled, selecting a four-point sampling port (3), a six-point sampling port (4) and an eight-point sampling port (5) which are staggered with a top plate (19) to install a sample containing assembly, so that the sampling of the shallow position is realized; when a deeper position needs to be sampled, the single-point sampling port (2), the four-point sampling port (3), the six-point sampling port (4) and the eight-point sampling port (5) are randomly selected to install the sample containing assembly; when positions with multiple depths need to be sampled, a single-point sampling port (2), a four-point sampling port (3), a six-point sampling port (4) and an eight-point sampling port (5) can be freely selected to install a plurality of sample containing assemblies, and the common sampling of water samples with multiple depths at the same sampling point at the same time is realized;
step c: before the sample holds the subassembly installation, utilize the cooperation of instruction scale (27) and thief hatch (23), according to the requirement of the sampling depth, select suitable thief hatch (23), seal other thief hatches under the effect of closing plug (26), install the interference prevention subassembly in the thief hatch (23) both sides that leak simultaneously, utilize the grafting cooperation of guard plate (30) and connecting hole and (29), install guard plate (30) in slot (29), and carry out the threaded fixation through connecting screw (31), avoid when the sample in the water big debris shield get into thief hatch (23);
step d: after the anti-interference component is installed, the weight box (9) is installed in the installation groove (6), and the weight box (9) is fixed under the matching of the connecting bolt (12), the through screw hole (11) and the connecting screw hole (8) through the matching of the connecting groove (7) and the connecting plate (10); the weight box (9) is sealed through the sealing cover (14) by utilizing the magnetic matching of the magnet (16) and the box mounting hole (13), and finally, the mounting of the sample containing assembly is realized by utilizing the matching of the connecting external thread (21) and the selected sampling port;
step e: the position of the adjusting component adjusting device is utilized, the adjusting screw rod (41) is rotated, the L-shaped rod (34) is pushed to move under the sliding fit of the sliding chute (37) and the sliding block (38), the integrated disc (1) is further driven to move, the position of the integrated disc is adjusted to be located right above a sampling point, then the whole device is placed under water, the bottom end of the top plate (19) is flush with the water surface, finally, the internal thread pipes (25) in the outer pipes (20) are rotated, the sampling ports (23) are leaked out, water body sampling is carried out, after the sampling is completed, the internal thread pipes (25) are reversed, the sampling ports (23) are sealed, and the device is taken out;
step f: and e, detecting the water sample taken out in the step e.
2. The automatic water sample collection and detection method for environmental protection according to claim 1, characterized in that: the inner side surface of the protection plate (30) is an arc surface matched with the outer pipe (20) in an arc shape, and the height of the protection plate (30) is larger than the diameter of the sampling port (23).
3. The automatic water sample collection and detection method for environmental protection according to claim 1, characterized in that: the inner diameter of the outer cylinder (36) is equal to the diameter of the horizontal part of the L-shaped rod (34), one end of the outer cylinder (36) is open, and the other end of the outer cylinder is closed, and the length of the outer cylinder (36) is larger than that of the horizontal part of the L-shaped rod (34).
4. The automatic water sample collection and detection method for environmental protection according to claim 1, characterized in that: the sliding chutes (37) are four groups in total and are uniformly arranged on the inner wall of the outer cylinder (36) in a circumference mode, the end face of the sliding block (38) is an arc-shaped face matched with the inner wall of the outer cylinder (36), and the length of the adjusting screw rod (41) is equal to that of the outer cylinder (36).
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| CN202110832700.7A CN113532953A (en) | 2021-07-22 | 2021-07-22 | Automatic water sample collecting and detecting method for environmental protection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114371031A (en) * | 2021-12-21 | 2022-04-19 | 江苏德邦多菱健康科技有限公司 | Tricalcium phosphate fluency initial detection device and method capable of sampling at multiple points |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114371031A (en) * | 2021-12-21 | 2022-04-19 | 江苏德邦多菱健康科技有限公司 | Tricalcium phosphate fluency initial detection device and method capable of sampling at multiple points |
| CN114371031B (en) * | 2021-12-21 | 2022-10-28 | 江苏德邦多菱健康科技有限公司 | Tricalcium phosphate fluency initial detection device and method capable of sampling at multiple points |
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Application publication date: 20211022 |