CN113092173B - Water sample collection device and water sample collection method - Google Patents
Water sample collection device and water sample collection method Download PDFInfo
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- CN113092173B CN113092173B CN202110397190.5A CN202110397190A CN113092173B CN 113092173 B CN113092173 B CN 113092173B CN 202110397190 A CN202110397190 A CN 202110397190A CN 113092173 B CN113092173 B CN 113092173B
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A20/20—Controlling water pollution; Waste water treatment
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Abstract
The invention discloses a water sample collecting device and a water sample collecting method, which comprise the following steps: a housing; the water storage bottle is connected with the shell, the upper end of the water storage bottle is provided with a water outlet, and the lower end of the water storage bottle is provided with a water inlet; the upper cover is rotatably connected with the upper end of the water storage bottle and can close/open the water outlet under the action of water flow; the lower cover is used for sealing the water inlet after water sample collection is finished; the movement mechanism is connected with the outer wall of the shell; and the control unit is installed on the outer wall of the shell and electrically connected with the movement mechanism to control the movement mechanism to act, so that the whole water sample collection device sinks to the collection depth of the water sample under the driving of the movement mechanism to complete water sample collection. The invention has scientific and reasonable design, can automatically sink after the acquisition depth of the water sample is set, can automatically float after the acquisition is finished, and can automatically seal the water inlet after the water sample is acquired without other manual operations.
Description
Technical Field
The invention relates to the field of sample detection, in particular to a water sample collecting device and a water sample collecting method.
Background
In order to realize the important goal of water ecological environment protection, the water pollution condition needs to be monitored and evaluated through water quality and plankton, and targeted protection and repair measures are provided, and water sample collection is the most basic and indispensable link for data acquisition.
At present, most of water sample collection devices on the market need manual operation, namely, the water sample collection devices need to be tied by ropes and placed into water, and the sampling depth is estimated according to the lengths of the ropes, so that the whole water sample collection process is time-consuming and labor-consuming, and the depth is inaccurate; if the height of the water collection riverbed is higher than the expected height, the collection device can be caused to contact with the riverbed, a water sample with the expected depth cannot be collected, and the collection personnel cannot identify whether the water sample touches the bottom, so that wrong guidance is easily caused to the collection result.
Furthermore, the existing water sample collecting device can hardly generate disturbance to the water body when water sample collection is carried out, so that the collected water sample can not fully reflect the actual data of the water body, and a larger analysis error is generated.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the water sample collecting device and the water sample collecting method, which are scientific and reasonable in design, can automatically sink after the collecting depth of a water sample is set, can automatically float after the water sample is collected, and can automatically seal a water inlet after the water sample is collected without other manual operations.
In order to achieve the purpose, the invention provides the following technical scheme:
provided is a water sample collection device, including: a housing having a hollow interior; the water storage bottle is connected with the shell and is positioned in the shell, a water outlet is formed in the upper end of the water storage bottle, and a water inlet is formed in the lower end of the water storage bottle; the upper cover is rotatably connected with the upper end of the water storage bottle and can close/open the water outlet under the action of water flow; the whole or part of the lower cover is arranged in the water storage bottle and is used for sealing the water inlet after water sample collection is finished; the movement mechanism is connected with the outer wall of the shell; and the control unit is installed on the outer wall of the shell and electrically connected with the movement mechanism to control the movement mechanism to act, so that the whole water sample collection device sinks to the collection depth of the water sample under the driving of the movement mechanism to collect the water sample.
Preferably, the control unit intermittently controls the movement mechanism to act, so that the whole water sample collecting device is driven by the movement mechanism to sink to the collecting depth of the water sample firstly and then float to the preset depth, and the sinking-floating process is repeated for N times.
Preferably, the movement mechanism includes: one end of the motor arm is rotatably connected with the outer wall of the shell; a motor connected to the other end of the motor arm; and the blades are connected with the rotating power output end of the motor.
Preferably, the control unit includes: touch-sensitive screen, depth sensor, temperature sensor and controller, wherein, touch-sensitive screen, depth sensor, temperature sensor all install on the casing outer wall, and all connect the controller.
Preferably, in the sinking process, the depth sensor acquires the depth information of the water sample acquisition device in the water body in real time and feeds the depth information back to the controller, and when the water sample acquisition device sinks to the acquisition depth of the water sample, or the current depth of the water sample acquisition device acquired by the depth sensor in real time in the water body is smaller than the acquisition depth of the water sample, and the current depth information lasts for a preset time and is not changed, the controller controls the temperature sensor to acquire and store the water temperature information under the current depth information, and the controller stops the motor from rotating.
Preferably, the water sample collection device further comprises: and the unlocking mechanism is respectively connected with the lower cover and the control unit and is used for driving the lower cover to close the water inlet when the water sample acquisition device sinks to the acquisition depth of the water sample, or the current depth of the water sample acquisition device in the water body is less than the acquisition depth of the water sample, and the current depth is continuously kept for a preset time and is not changed.
Preferably, the unlocking mechanism includes: the mounting shell is connected with the outer wall surface of the shell and is hollow inside;
an electromagnetic coil disposed within the mounting housing; the upper part of the unlocking rod penetrates through the bottom of the mounting shell and extends into the electromagnetic coil, and the lower part of the unlocking rod is of an L-shaped hook structure; the upper part of the locking hook is rotatably connected with the outer wall of the shell, the lower part of the locking hook is of an L-shaped hook structure, the thickness of the upper part of the locking hook is gradually reduced from top to bottom, so that an inclined plane is formed on the surface, away from the shell, of the upper part of the locking hook, and the lower part, away from the shell 1, of the unlocking rod is abutted to the surface, away from the shell, of the locking hook; one end of the arc-shaped elastic sheet is connected with one surface of the locking hook close to the shell, and the surface of the arc-shaped elastic sheet is abutted against the outer wall surface of the shell; a stopper connected to an outer wall surface of the housing; the upper part of the linkage rod is of an L-shaped hook-shaped structure, and the linkage rod can be detachably hooked on the lower part of the locking hook, and the lower part of the linkage rod penetrates through the limiting piece; one end of the lower cover connecting plate is connected with the lower part of the linkage rod, and the other end of the lower cover connecting plate penetrates through the shell and is connected with the lower cover; the spring is sleeved outside the linkage rod, the upper part of the spring abuts against the limiting piece, and the lower part of the spring abuts against the lower cover connecting plate; when the water sample collecting device sinks to the collecting depth of the water sample, or the current depth of the water sample collecting device in the water body is smaller than the collecting depth of the water sample, and the current depth lasts for a preset time and is unchanged, the control unit controls the locking hook to be separated from the linkage rod, so that the lower cover seals the water inlet at the lower part of the water storage bottle.
Preferably, the lower cover includes: the water storage bottle comprises a main body part, at least one protruding part and a lower cover connecting column, wherein the protruding part and the main body part are located inside the water storage bottle, the protruding part is connected with the outer peripheral face of the main body part, and the lower cover connecting column is connected with the lower surface of the main body part and a lower cover connecting plate.
Preferably, the housing has a buoyancy module.
The water sample collection method realized by the water sample collection device comprises the following steps:
setting the collection depth of a water sample and the times that the whole water sample collection device sinks to the collection depth of the water sample in a water body, and hooking the linkage rod to connect the locking hook to enable the water inlet to be in an open state;
the motor arm is opened to be in a horizontal state, and the water sample collecting device is integrally placed in the water body;
the motor drives the water sample collecting device to sink to the collecting depth of the water sample integrally, and in the sinking process, the depth sensor acquires the depth information of the water sample collecting device in the water body in real time; when the water sample collecting device sinks to the collecting depth of the water sample, or the current depth of the water sample collecting device in the water body is smaller than the collecting depth of the water sample, and the current depth is not changed for a preset time, the temperature sensor collects and stores water temperature information, and the controller controls the locking hook to be separated from the linkage rod, so that the lower cover seals the water inlet;
the water sample collecting device floats to the water surface integrally, the water temperature information is displayed through the touch screen, and the water sample is taken out through a water outlet in the water storage bottle.
Compared with the prior art, the invention has the following beneficial effects:
the water sample collecting device can automatically sink after the collecting depth of a water sample is set, the water sample with the corresponding depth is collected, the water sample can automatically float after the collection is finished, the water temperature at the collecting depth is recorded, and collecting personnel are not required to use a rope to control the collecting process, so that the collecting efficiency is greatly improved, water body exchange can be promoted by repeatedly sinking and floating in the water body, the water sample data are ensured to be accurate, meanwhile, after the water sample is collected, the water inlet can be automatically closed through the unlocking mechanism, other manual operations are not required, and the intelligent level of the water sample collecting device can be greatly improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a water sample collecting device according to the present invention;
FIG. 2 is an exploded view of the water sample collection system of the present invention;
FIG. 3 is a top view of the water sample collection device of the present invention;
FIG. 4 is a B-B sectional view of the water sample collection device of the present invention;
FIG. 5 is a schematic diagram of the water sample collection device according to the present invention;
FIG. 6 is a sectional view taken along line A-A of the water sample collection device of the present invention;
FIG. 7 is a bottom view of the water sampling device of the present invention;
FIG. 8 is a top view of the upper cover of the present invention;
fig. 9 is a cross-sectional view of the water sample collecting device of the present invention collecting a water sample.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1 to 3, the water sample collecting device in this embodiment includes:
a housing 1 having a hollow interior; meanwhile, the shell 1 is provided with a floating cabin 101, and the design of the floating cabin 101 needs to ensure that the buoyancy of the whole water sample collecting device in water is larger than the self weight of the water sample collecting device, so that the whole water sample collecting device is automatically driven to float upwards when no external power (such as a movement mechanism) is used for driving;
the water storage bottle 2 is connected with the shell 1 in a welding mode and the like, is positioned in the shell 1, is coaxially arranged with the shell 1, and is provided with a water outlet 201 at the upper end and a water inlet 202 at the lower end; in this embodiment, the water storage bottle 2 may be made of transparent materials such as organic glass;
the upper cover is rotatably connected with the upper end of the water storage bottle 2, and when the water sample collecting device moves in a water body, the upper cover closes/opens the water outlet 201 under the action of water flow; specifically, in this embodiment, the upper end of the water storage bottle 2 is connected with the hinge seat 203, and the hinge seat 203 is provided with two hinge holes 2031, the upper cover includes a first upper cover unit 301 and a second upper cover unit 302, which are respectively and correspondingly connected with one hinge hole 2031 to realize the hinge connection with the upper end of the water storage bottle 2, when the whole water sample collection device sinks in the water body, the water body flows upward relative to the water sample collection device, thereby lifting the first upper cover unit 301 and the second upper cover unit 302, so that the water body respectively flows downward relative to the water sample collection device in the direction indicated by the solid line arrow in fig. 4, and the shaft of the hinge hole 2031 connected with each other is taken as the shaft to freely rotate, at this time, the water outlet 201 is opened, otherwise, when the whole water sample collection device floats in the water body, the water body flows downward relative to the water sample collection device, thereby pushing down the first upper cover unit 301 and the second upper cover unit 302, respectively, and the direction indicated by the dotted line arrow in fig. 4, The central axis of each connected hinge hole 2031 is used as the axis to rotate freely in the opposite direction, and at this time, the water outlet 201 is closed;
a lower cover 4, which is integrally/partially disposed in the water storage bottle 2, for closing the water inlet 202 after the water sample collection is completed;
the movement mechanism is connected with the outer wall of the shell 1;
a main connection harness 10 mounted inside the housing 1;
and the control unit is installed on the outer wall of the shell 1 and electrically connected with the movement mechanism to control the movement mechanism to act, so that the whole water sample collection device sinks to the collection depth of the water sample under the driving of the movement mechanism to complete water sample collection.
In this embodiment, there are a plurality of motion mechanisms (e.g. 4 motion mechanisms) and the motion mechanisms are uniformly spaced to provide sufficient power to drive the water sample collecting device to sink, and specifically, as shown in fig. 1-2, the motion mechanisms include:
a motor arm 14, one end of which is rotatably connected (e.g. hinged) to the outer wall of the housing 1 through a motor arm shaft pin 18, a motor arm mounting seat 18', and the like;
a motor 15 connected to the other end of the motor arm 14 and connected to the main connection harness 10 through a motor harness 17;
and a blade 16 connected to a rotational power output end of the motor 15.
Further, the control unit includes: the device comprises a touch screen 5, a depth sensor 6, a temperature sensor 7 and a controller 8, wherein the touch screen 5, the depth sensor 6 and the temperature sensor 7 are all installed on the outer wall of the shell 1 and are all connected with the controller 8, and meanwhile, the controller 8 is connected with a main connecting wire harness 10 through a controller wire harness 9;
the water sample collection depth can be set through the touch screen 5, the controller 8 sends a control instruction to the motor 15 through the controller wiring harness 9, the main connecting wiring harness 10 and the motor wiring harness 17 to start the motor 15 to rotate, and further drives the blades 16 to rotate, so that the whole water sample collection device is driven to sink at a constant speed in a water body, in the sinking process, the water inlet 202 is kept open, the depth sensor 6 acquires the depth information of the water sample collection device in the water body in real time and feeds the information back to the controller 8, when the water sample collection device sinks to the water sample collection depth, the controller 8 stops the motor 15 from rotating through the controller wiring harness 9, the main connecting wiring harness 10 and the motor wiring harness 17 and simultaneously controls the temperature sensor 7 to collect and store water temperature information, at the moment, the water sample at the collection depth enters the water storage bottle 2 through the water inlet 202, so as to complete water sample collection.
When a water sample needs to be collected, as shown in fig. 5, the motor arm 14 is firstly rotated around the motor arm shaft pin 18, so that the motor arm 14 is opened to a horizontal state; then the acquisition depth of the water sample is set through the touch screen 5, the water sample acquisition device is placed into the water body after the water sample acquisition device is set, after the water sample acquisition device is contacted with the water body, the depth sensor 6 receives a water pressure signal and feeds the water pressure signal back to the control unit 8, the control unit 8 starts the motor 15, the whole water sample acquisition device begins to sink at a constant speed, in the process of sinking, the water inlet 202 is kept open, the depth sensor 6 acquires the depth information of the water sample acquisition device in the water body in real time and feeds the information back to the controller 8, when the water sample acquisition device sinks to the acquisition depth of the water sample, the controller 8 stops the motor 15 from rotating, and simultaneously controls the temperature sensor 7 to acquire and store water temperature information, the water sample at the acquisition depth enters the water storage bottle 2 through the water inlet 202 to finish the acquisition of the water sample, the water inlet 202 is sealed by the lower cover 4, and further, after the motor 15 stops working, the whole water sample collection system floats to the water surface under the action of the floating cabin 101, and collection personnel take out the water sample collection system, display water temperature information through the touch screen 5 and take out a water sample through the water outlet 201 on the water storage bottle 2.
From this, the water sample collection system in this embodiment can sink by oneself after the collection degree of depth that sets up the water sample, and gathers the water sample that corresponds the degree of depth to can float automatically after gathering the completion, and the temperature of the degree of depth department is gathered in the record, need not to gather personnel and use rope control collection process, with this very big collection efficiency that improves, use manpower sparingly.
Example 2:
the difference between this embodiment and embodiment 1 is only that the control unit intermittently controls the motion mechanism to move, so that the whole water sample collection device is driven by the motion mechanism to sink to the collection depth of the water sample first and then float to the predetermined depth, and the sinking-floating process is repeated N times, where N is a positive integer greater than or equal to 2, and the collection depth of the water sample is greater than the predetermined depth.
Specifically, 8 starting motor 15 of controller rotates, from this drive water sample collection system wholly sinks to the collection degree of depth of water sample after for the first time, 8 of controller stops motor 15 and rotates, and water sample collection system wholly floats a section distance under the effect of floating chamber 101 to reach the predetermined degree of depth, 8 starting motor 15 rotates once more of controller this moment, and drive water sample collection system wholly to sink to the collection degree of depth of water sample once more from this, so relapse N (like 3), at above-mentioned sink-come-up in-process, the upper cover is opened repeatedly, is sealed outlet 201, promotes the abundant exchange of the water sample of gathering in the water storage bottle 2 from this for the water sample of gathering can fully react the actual data of water, reduces subsequent analysis error.
Example 3:
the embodiment is different from embodiment 1 or 2 only in that, if the current depth of the water sample collection device in the water body acquired by the depth sensor 6 in real time is smaller than the collection depth of the water sample, and the current depth information is unchanged for a predetermined time (such as 3s), it is described that the water sample collection device has contacted with the river bed, the collection fails this time, at this time, the controller 8 controls the temperature sensor 7 to collect and store the water temperature information under the current depth information, and the controller 8 stops the motor 15 to operate simultaneously, the water sample collection device floats up, after the water sample floats up to the water surface, the collection personnel take out the water sample collection device from the water, and the touch screen 5 displays the prompt of the collection failure this time, the current depth information which is unchanged for the predetermined time and the water temperature information under the current depth information.
Example 4:
the present embodiment is different from embodiment 3 only in that, as shown in fig. 1-2 and 5-8, the water sample collecting device further comprises:
a power supply 11 mounted on an outer wall of the housing 1;
a power supply box cover 12 for enclosing the power supply 11 from contacting with the water environment;
a power supply wire harness 13, one end of which is connected with a power supply 11, and the other end of which is connected with a main connection wire harness 10, wherein the power supply 11 supplies power to the electricity-requiring equipment (such as the motor 15 and the controller 8) through the power supply wire harness 13 and the main connection wire harness 10;
and the unlocking mechanism is respectively connected with the lower cover 4 and the controller 8 of the control unit, when the water sample collecting device sinks to the collecting depth of the water sample, or the current depth of the water sample collecting device in the water body is smaller than the collecting depth of the water sample, and the current depth lasts for a preset time (such as 3s) and is not changed, the controller 8 starts the unlocking module, so that the unlocking mechanism drives the lower cover 4 to move towards the water inlet 202, and the water inlet 202 is sealed.
Specifically, as shown in fig. 8 to 9, the lower cover 4 includes: the water storage bottle comprises a main body part 41, at least one protruding part 42 and a lower cover connecting column 43, wherein the protruding part 42 and the main body part 41 are both positioned in the water storage bottle 2, the protruding part 42 is connected with the outer peripheral surface of the main body part 41, and the lower cover connecting column 43 is connected with the lower surface of the main body part 41; preferably, the protruding parts 42 are in contact with the inner wall surface of the water storage bottle 2, and there may be a plurality of protruding parts, and a water passing opening 44 is formed between every two adjacent protruding parts 42; meanwhile, for convenience of manufacturing and increasing structural strength, the main body portion 41, the at least one protrusion 42, and the lower cap connection post 43 may be integrally formed.
There are several (e.g., 2) unlocking mechanisms, and as shown in fig. 2,5-6, the unlocking mechanism includes:
a mounting case 19' connected to an outer wall surface of the housing 1 and having a hollow interior;
an electromagnetic coil 19 disposed within the mounting housing 19' and connected to the main connection harness 10 by an unlocking harness 24;
the upper part of the unlocking rod 21 penetrates through the bottom of the mounting shell 19 'and extends into the electromagnetic coil 19, and the lower part of the unlocking rod is of an L-shaped hook-shaped structure and is positioned outside the mounting shell 19'; in this embodiment, the lock release lever 21 may be made of a metal material;
the upper part 200 of the locking hook 20 is rotatably connected (e.g. hinged) to the outer wall of the housing 1 through a locking hook shaft pin 25, a locking hook mounting seat 25' and other parts, the lower part 210 is in an L-shaped hook structure, the thickness of the upper part 200 of the locking hook 20 is gradually reduced from top to bottom, so that an inclined surface 211 is formed on one surface, away from the housing 1, of the upper part 200 of the locking hook 20, and the lower part, in the L-shaped hook structure, of the unlocking lever 21 abuts against one surface, away from the housing 1, of the locking hook 20;
one end of the arc-shaped elastic sheet 26 is connected with one surface of the locking hook 20 close to the shell 1, and the surface of the arc-shaped elastic sheet 26 is abutted against the outer wall surface of the shell 1;
a stopper 28 connected to an outer wall surface of the housing 1;
the upper part 220 of the linkage rod 22 is in an L-shaped hook-shaped structure, and can be detachably hooked with the lower part 210 of the locking hook 20, and the lower part passes through the limiting piece 28;
a lower cover connecting plate 27, one end of which is connected with the lower part of the linkage rod 22, and the other end of which is connected with a lower cover connecting column 43 of the lower cover 4 after penetrating through the shell 1;
the spring 23 is sleeved outside the linkage rod 22, the upper part of the spring is abutted against the limiting piece 28, and the lower part of the spring is abutted against the lower cover connecting plate 27, so that the spring 23 is positioned between the limiting piece 28 and the lower cover connecting plate 27;
in an initial state, as shown in fig. 1 and 6, a lower portion of the unlocking lever 21, which is in an L-shaped hook structure, abuts against a surface of the lower portion 210 of the locking hook 20, which is away from the housing 1, an upper portion 220 of the linkage lever 22 is hooked on the lower portion 210 of the locking hook 20, and the spring 23 is in a compressed state between the limiting member 28 and the lower cover connecting plate 27; at this time, the main body portion 41 of the lower cover 4 is away from the water inlet 202, and the water inlet 202 is in an open state;
in the process that the motor 15 drives the water sample collecting device to sink integrally, the water inlet 202 is kept open continuously, when the water sample collecting device sinks to the collecting depth of a water sample, or the current depth of the water sample collecting device in a water body is smaller than the collecting depth of the water sample, and the current depth is kept for a predetermined time (such as 3s) and is unchanged, the water sample enters the water storage bottle 2 through the water inlet 202 and the water outlet 44 in sequence to complete water sample collection, further, as shown in figures 5 and 9, the controller 8 controls the power supply 11 to supply power to the electromagnetic coil 19 through the power supply wire harness 13, the main connecting wire harness 10 and the unlocking wire harness 24 to generate an electromagnetic field, the upper part of the unlocking rod 21 moves upwards under the action of the magnetic field of the electromagnetic coil 19, the lower part of the unlocking rod moves upwards along the inclined plane 211, and the thickness of the upper part 200 of the locking hook 20 is gradually reduced from top to bottom, therefore, when the upper part of the unlocking rod 21 moves upwards along the inclined plane 211, the locking hook 20 rotates around the locking hook shaft pin 25 and towards the housing 1, so that pressure towards the housing 1 is applied to the arc-shaped elastic sheet 26, the arc-shaped elastic sheet 26 is elastically deformed, further, the lower part 210 of the locking hook 20 is separated from the upper part 220 of the linkage rod 22, the compressed spring 23 extends, the linkage rod 22, the lower cover connecting plate 27 and the lower cover 4 are driven to synchronously move downwards, and the main body part 41 of the lower cover 4 closes the water inlet 202 at the lower part of the water storage bottle 2; further, the whole water sample collecting device floats to the water surface under the action of the floating cabin 101.
It should be noted that, if the whole water sample collecting device repeatedly sinks to and floats upwards in the water body, and finally sinks to the collecting depth of the water sample, the controller 8 controls the lower portion 210 of the locking hook 20 to be separated from the upper portion 220 of the linkage rod 22, and the specific separation process is the same as the above, and there is no need to resort.
From this, in this embodiment, after the water sample collection was accomplished, accessible release mechanism realized water inlet 202's self-sealing, need not to carry out other manual operations, and whole process can not lead to the fact the influence to the water sample collection to this can increase substantially sampling device's intelligent level.
Example 5:
the embodiment provides a water sample collection method realized by the water sample collection device, which comprises the following steps:
s1, setting the water sample collection depth and the times that the whole water sample collection device sinks to the water sample collection depth in a water body through the touch screen 5, and enabling the upper part 220 of the linkage rod 22 to be hooked and connected with the lower part 210 of the locking hook 20 to enable the water inlet 202 to be in an open state;
s2, enabling the motor arm 14 to rotate around the motor arm shaft pin 18, enabling the motor arm 14 to be opened to be in a horizontal state, and then integrally placing the water sample collecting device into a water body;
s3, driving the water sample collecting device to sink integrally to the collecting depth of the water sample by the motor 15, and acquiring the depth information of the water sample collecting device in the water body in real time by the depth sensor 6 in the sinking process; preferably, if the number of times that the whole water sample collection device sinks to the collection depth of the water sample in the water body is N, after the whole water sample collection device sinks to the collection depth of the water sample for the first time, the controller 8 stops the rotation of the motor 15, the whole water sample collection device floats upwards for a certain distance under the action of the floating cabin 101 to reach the preset depth, and at the moment, the controller 8 starts the motor 15 to rotate again, so that the whole water sample collection device is driven to sink to the collection depth of the water sample again, and the steps are repeated;
when the water sample collecting device sinks to the collecting depth of the water sample, or the current depth of the water sample collecting device in the water body is smaller than the collecting depth of the water sample, and the current depth is not changed for a preset time, the temperature sensor 7 collects and stores water temperature information, and the controller 8 controls the lower part 210 of the locking hook 20 to be separated from the upper part 220 of the linkage rod 22, so that the main body part 41 of the lower cover 4 seals the water inlet 202 at the lower part of the water storage bottle 2;
and S4, the whole water sample collecting device floats to the water surface under the action of the floating cabin 101, the water temperature information is displayed through the touch screen 5, and the water sample is taken out through the water outlet 201 on the water storage bottle 2.
In conclusion, the water sample collecting device disclosed by the invention can automatically sink after the collecting depth of a water sample is set, the water sample with the corresponding depth is collected and can automatically float after the collection is finished, the water temperature at the collecting depth is recorded, and a collecting person is not required to use a rope to control the collecting process, so that the collecting efficiency is greatly improved.
It should be noted that the technical features of the above embodiments 1 to 5 can be arbitrarily combined, and the technical solutions obtained by combining the technical features belong to the scope of the present application. And in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A water sample collection device, comprising:
a housing having a hollow interior;
the water storage bottle is connected with the shell and is positioned in the shell, a water outlet is formed in the upper end of the water storage bottle, and a water inlet is formed in the lower end of the water storage bottle;
the upper cover is rotatably connected with the upper end of the water storage bottle and can close/open the water outlet under the action of water flow;
the whole or part of the lower cover is arranged in the water storage bottle and is used for sealing the water inlet after water sample collection is finished;
the movement mechanism is connected with the outer wall of the shell;
the control unit is arranged on the outer wall of the shell and is electrically connected with the movement mechanism so as to control the movement of the movement mechanism, so that the whole water sample collecting device is driven by the movement mechanism to sink to the collecting depth of a water sample so as to collect the water sample;
the control unit intermittently controls the motion mechanism to act, so that the whole water sample collecting device firstly sinks to the collecting depth of the water sample and then floats to the preset depth under the driving of the motion mechanism, and the sinking-floating process is repeated for N times;
one end of the motor arm is rotatably connected with the outer wall of the shell; a motor connected to the other end of the motor arm; the blade is connected with a rotating power output end of the motor;
the control unit includes: the device comprises a touch screen, a depth sensor, a temperature sensor and a controller, wherein the touch screen, the depth sensor and the temperature sensor are all arranged on the outer wall of a shell and are all connected with the controller;
in the sinking process, the depth sensor acquires the depth information of the water sample acquisition device in the water body in real time and feeds the depth information back to the controller, and when the water sample acquisition device sinks to the acquisition depth of the water sample, or when the current depth of the water sample acquisition device acquired by the depth sensor in real time in the water body is smaller than the acquisition depth of the water sample and the current depth information lasts for a preset time and is not changed, the controller controls the temperature sensor to acquire and store the water temperature information under the current depth information, and the controller stops the motor from rotating;
the water sample collection system further comprises: the unlocking mechanism is respectively connected with the lower cover and the control unit and is used for driving the lower cover to close the water inlet when the water sample collecting device sinks to the collecting depth of the water sample, or the current depth of the water sample collecting device in the water body is smaller than the collecting depth of the water sample, and the current depth is continuously kept for a preset time and is not changed;
the unlocking mechanism includes:
the mounting shell is connected with the outer wall surface of the shell and is hollow inside;
an electromagnetic coil disposed within the mounting housing;
the upper part of the unlocking rod penetrates through the bottom of the mounting shell and extends into the electromagnetic coil, and the lower part of the unlocking rod is of an L-shaped hook structure;
the upper part of the locking hook is rotatably connected with the outer wall of the shell, the lower part of the locking hook is of an L-shaped hook structure, the thickness of the upper part of the locking hook is gradually reduced from top to bottom, so that an inclined plane is formed on the surface, away from the shell, of the upper part of the locking hook, and the lower part, away from the shell, of the unlocking rod is abutted against the surface, away from the shell, of the locking hook;
one end of the arc-shaped elastic sheet is connected with one surface of the locking hook close to the shell, and the surface of the arc-shaped elastic sheet is abutted against the outer wall surface of the shell;
a stopper connected to an outer wall surface of the housing;
the upper part of the linkage rod is of an L-shaped hook-shaped structure, and the linkage rod can be detachably hooked on the lower part of the locking hook, and the lower part of the linkage rod penetrates through the limiting piece;
one end of the lower cover connecting plate is connected with the lower part of the linkage rod, and the other end of the lower cover connecting plate penetrates through the shell and is connected with the lower cover;
the spring is sleeved outside the linkage rod, the upper part of the spring abuts against the limiting piece, and the lower part of the spring abuts against the lower cover connecting plate;
when the water sample collecting device sinks to the collecting depth of the water sample, or the current depth of the water sample collecting device in the water body is smaller than the collecting depth of the water sample, and the current depth lasts for a preset time and is unchanged, the control unit controls the locking hook to be separated from the linkage rod, so that the lower cover seals the water inlet at the lower part of the water storage bottle.
2. A water sample collection device as claimed in claim 1 wherein the lower cover comprises: the water storage bottle comprises a main body part, at least one protruding part and a lower cover connecting column, wherein the protruding part and the main body part are located inside the water storage bottle, the protruding part is connected with the outer peripheral face of the main body part, and the lower cover connecting column is connected with the lower surface of the main body part and a lower cover connecting plate.
3. A water sampling device as claimed in claim 1 or claim 2 wherein the housing has a buoyancy chamber.
4. A water sample collection method realized by the water sample collection device according to claim 1, which comprises the following steps:
setting the collection depth of a water sample and the times that the whole water sample collection device sinks to the collection depth of the water sample in a water body, and hooking the linkage rod to connect the locking hook to enable the water inlet to be in an open state;
the motor arm is opened to be in a horizontal state, and the water sample collecting device is integrally placed in the water body;
the motor drives the water sample collecting device to sink to the collecting depth of the water sample integrally, and in the sinking process, the depth sensor acquires the depth information of the water sample collecting device in the water body in real time; when the water sample collecting device sinks to the collecting depth of the water sample, or the current depth of the water sample collecting device in the water body is smaller than the collecting depth of the water sample, and the current depth is not changed for a preset time, the temperature sensor collects and stores water temperature information, and the controller controls the locking hook to be separated from the linkage rod, so that the lower cover seals the water inlet;
the water sample collecting device floats to the water surface integrally, the water temperature information is displayed through the touch screen, and the water sample is taken out through a water outlet in the water storage bottle.
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| CN202110397190.5A CN113092173B (en) | 2021-04-13 | 2021-04-13 | Water sample collection device and water sample collection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4525979A (en) * | 1982-10-19 | 1985-07-02 | The United States Of America As Represented By The Administrator Of The Environmental Protection Agency | Automatic bottle sealing mechanism for liquid sampling apparatus |
| CN202757798U (en) * | 2012-08-31 | 2013-02-27 | 中国水利水电科学研究院 | Portable visible deep water sampling instrument |
| CN103115800B (en) * | 2013-01-28 | 2014-10-29 | 山东省科学院海洋仪器仪表研究所 | In-situ water collecting device and method for underwater oil water sample |
| CN106644582B (en) * | 2016-12-16 | 2019-04-12 | 常州市环境监测中心 | A kind of adjustable Special Automatic sampler of water quality oils |
| KR101753326B1 (en) * | 2017-04-18 | 2017-07-05 | 주식회사 지오에너지 | Control apparatus and automatic water sampler including the same |
| CN207300648U (en) * | 2017-11-10 | 2018-05-01 | 王静 | A kind of automatic water sample acquisition device for environmental evaluation |
| CN107907378A (en) * | 2017-12-28 | 2018-04-13 | 上海北裕分析仪器股份有限公司 | A kind of hydrophore |
| CN208076202U (en) * | 2018-02-27 | 2018-11-09 | 兴国深田农业开发有限公司 | A kind of collector used for aquiculture |
| CN108692980B (en) * | 2018-06-07 | 2020-10-02 | 浙江省疾病预防控制中心 | Water level depthkeeping multifunctional water quality sampler |
| CN111458192A (en) * | 2020-05-30 | 2020-07-28 | 江苏众智启澄智能环境科技有限公司 | Depthkeeping water sample collection system |
| CN111537288B (en) * | 2020-06-28 | 2022-12-16 | 中流工程设计咨询有限公司 | Deep water body batch sampling equipment for water quality monitoring |
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