CN119804810A - Seawater quality detection device and method - Google Patents
Seawater quality detection device and method Download PDFInfo
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- CN119804810A CN119804810A CN202510313977.7A CN202510313977A CN119804810A CN 119804810 A CN119804810 A CN 119804810A CN 202510313977 A CN202510313977 A CN 202510313977A CN 119804810 A CN119804810 A CN 119804810A
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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
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Abstract
The invention belongs to the technical field of water quality detection, in particular to a device and a method for detecting the water quality of a seawater body, comprising a floating plate; the water retaining ring is fixedly connected to the top surface of the floating plate, the stabilizing cone is fixedly connected to the bottom surface of the floating plate, through holes are formed in the center of the floating plate and the center of the stabilizing cone, the connecting shell is arranged in the through holes, a cavity is formed in the connecting shell, the detecting unit is arranged in the cavity, the connecting shell is provided with the water inlet component, the wire winding on the wire winding wheel can move downwards through rotation of the rotating shaft driven by the motor, the connecting shell can enter water, the water inlet component is opened after the connecting shell reaches a specified depth, water enters the connecting shell and is detected by the detecting unit, and therefore detection requirements on different water levels are met, and convenience in water quality detection of water bodies is greatly improved.
Description
Technical Field
The invention belongs to the technical field of water quality detection, and particularly relates to a device and a method for detecting the water quality of a seawater body.
Background
The ocean is the general name of the widest water body on the earth, the surface of the earth is divided into the vast water areas communicated with each other by all continents and is called ocean, the central part of the ocean is called ocean, the edge part of the ocean is called sea, and the ocean and the edge part of the ocean are communicated with each other to form a unified water body, so that water resources are protected, pollution to the sea is avoided, and real-time detection of the quality of seawater in an area is required. The water quality, i.e. the short term of water quality, marks the physical (such as chromaticity, turbidity, odor, etc.), chemical (inorganic and organic content) and biological (bacteria, microorganism, plankton, benthos) characteristics and the composition of the water.
The seawater quality detection plays an important role in protecting the marine ecological environment, is also an important link in marine science research, has important significance in monitoring and protecting the marine ecological environment, and can provide reliable data support for the marine science research, such as suspended matters, dissolved oxygen, pH, conductivity, organic matter components, microorganism components and the like.
The invention patent with the publication number of CN108490147B discloses a water quality detector for mariculture, which is technically characterized by comprising a floating plate, a mounting plate, an element box, a support column, a data antenna, a solar panel, a connecting column, a sensor box, a guide plate, a falling body, a stabilizing plate, a separation plate, an integrated circuit board, a sealing cover, graphite paper, a storage battery, a water inlet hole and a sensor.
However, the above-mentioned techniques often have the following drawbacks: in the water body detection process, in order to ensure the comprehensiveness and accuracy of water quality assessment, the water quality of different depths is required to be detected, basic physicochemical indexes such as temperature, salinity, dissolved oxygen, pH value and the like of each water layer and key nutritive salt parameters such as ammonia nitrogen, nitrite, active phosphate and the like are respectively detected, however, when the device detects the water quality, the device only detects the water quality close to the water surface, has great limitation and cannot adapt to various requirements of detecting the water quality at present, and therefore, the device and the method for detecting the water quality of the seawater water body are provided.
Disclosure of Invention
In order to overcome the defects in the prior art and solve at least one technical problem in the background art, the invention provides a device and a method for detecting the quality of seawater water.
The technical scheme includes that the seawater water quality detection device comprises a floating plate, wherein a water retaining ring is fixedly connected to the top surface of the floating plate, a stabilizing cone is fixedly connected to the bottom surface of the floating plate, through holes are formed in the center of the floating plate and the center of the stabilizing cone, a connecting shell is arranged in the through holes, a cavity is formed in the connecting shell, a detection unit is arranged in the cavity, a water inlet assembly is arranged on the connecting shell, a pair of fixing plates are fixedly connected to the top surface of the floating plate, a rotating shaft is connected between the fixing plates in a rotating mode, a wire collecting wheel is fixedly connected to the surface of the rotating shaft, a wire is fixedly connected to the wire collecting wheel, one end, far away from the wire collecting wheel, of the wire is fixedly connected with the connecting shell, and a motor for driving the rotating shaft to rotate is arranged on one side of the fixing plate.
Preferably, the water inlet component comprises a water inlet groove formed in the side wall of the connecting shell, a chute communicated with the water inlet groove is formed in the connecting shell, a sealing plate made of magnetic materials is arranged in the chute, a first spring is fixedly connected between the top surface of the sealing plate and the inner wall of the chute, and an electromagnet which is magnetic with the sealing plate is fixedly connected with the top surface of the inner wall of the chute.
Preferably, rectangular grooves are formed in the connecting shell, a group of rectangular plates are connected with the inner wall of each rectangular groove in a sealing and sliding mode, the rectangular plates are fixed through connecting rods, water guide holes communicated with the rectangular grooves are formed in the bottom surface of the cavity, and a driving mechanism for driving the rectangular plates to move is arranged in the connecting shell.
Preferably, the sealing plate is in sealed sliding connection with the inner wall of the chute, a connecting rod is communicated between the chute and the rectangular groove, a connecting pipe is communicated between the rectangular groove and the chute, an air outlet one-way valve is arranged in the connecting pipe, a first circular pipe is arranged on the side wall of the chute, an air inlet one-way valve is arranged in the first circular pipe, a second circular pipe communicated with the rectangular groove is arranged on the side wall of the connecting shell, and a control valve is arranged in the second circular pipe.
Preferably, the annular groove is formed in the top surface of the inner wall of the cavity, the baffle ring is slidably connected to the inner wall of the annular groove, the sponge ring is fixedly connected to the top surface of the baffle ring, the round rod is slidably connected to the top surface of the connecting shell in a sealing mode, the bottom surface of the round rod is fixedly connected with the baffle ring, the second spring is fixedly connected between the top surface of the baffle ring and the inner wall of the annular groove, and the push plate for pushing the round rod is arranged on the inner wall of the through hole.
Preferably, a group of water outlet grooves which are obliquely arranged are formed in the top surface of the inner wall of the cavity, one end of each water outlet groove is communicated with the annular groove, and a floating ring which seals the water outlet grooves is arranged in the cavity.
Preferably, the top surface fixedly connected with dead lever of cavity, the surface sliding connection of dead lever has the backup pad, the lateral wall and the floating ring fixed connection of backup pad, the bottom surface fixedly connected with limiting plate of dead lever.
Preferably, the inner wall fixedly connected with filter screen of intake tank, one side that the closing plate is close to the filter screen fixedly connected with brush hair, one side that the closing plate was kept away from to the filter screen fixedly connected with a set of first magnetic path, one side that the closing plate is close to the filter screen fixedly connected with a set of second magnetic path that repels with first magnetic path.
The method for detecting the quality of the seawater body adopts the device for detecting the quality of the seawater body, and comprises the following steps:
S1, placing a floating plate on the water surface, driving a rotating shaft to rotate by a motor to enable a wire take-up wheel to rotate, and enabling a wire to move downwards, so that a connecting shell enters the water, and stopping the rotation of the wire take-up wheel until the connecting shell reaches a specified depth;
S2, sucking the sealing plate to rise through the electromagnet, enabling water to enter the cavity from the water inlet tank, then enabling the water to contact the detection unit for detection, and pulling the wire reversely through the wire winding wheel after water quality detection is completed, so that the connecting shell enters the through hole;
S3, when the connecting shell enters the through hole, the push plate pushes the round rod, so that the round rod drives the sponge ring to move downwards, and the sponge ring can clean the residual seawater on the surface of the detection unit;
and S4, when the connecting shell descends, the second spring pulls the baffle ring, so that the sponge ring is extruded by the annular groove, water adsorbed by the sponge ring is extruded, and when the water enters the cavity, the floating ring can seal the water outlet groove by means of buoyancy ascending.
The beneficial effects of the invention are as follows:
1. According to the invention, the motor drives the rotating shaft to rotate, so that the wire winding wheel rotates, at the moment, the wire wound on the wire winding wheel moves downwards, so that the connecting shell enters water, after the connecting shell reaches a specified depth, the water inlet assembly is opened, the water enters the connecting shell and is detected by the detection unit, the detection requirements on different water levels are met, and the convenience of water quality detection of the water body is greatly improved.
2. When the connecting shell reaches a specified depth, the sealing plate can be attracted by the electromagnet to rise, water enters the cavity from the water inlet groove and then is contacted with the detection unit for detection, when the connecting shell enters the through hole, the connecting shell is not contacted with the water any more, the water can be discharged from the water inlet groove, and then the electromagnet is closed, so that the sealing plate is pushed by the first spring to seal the water inlet groove.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of a detection device of the present invention;
FIG. 2 is a schematic view of the internal structure of the floating ring, the water retaining ring and the stabilization cone of the present invention;
FIG. 3 is a schematic view showing the internal structure of the connection housing in the present invention;
FIG. 4 is an enlarged view at A of FIG. 3;
FIG. 5 is a partial structural cross-sectional view of the connection housing of the present invention;
fig. 6 is a flow chart of a method in the present invention.
The device comprises a floating plate, a water blocking ring, a stabilizing cone, a fixing plate, a rotating shaft, a guide wire, a wire winding wheel, a connecting shell, a cavity, a detecting unit, a water inlet groove, a sealing plate, a sliding groove, a 14, an electromagnet, a 15, a rectangular groove, a 16, a rectangular plate, a 17, a connecting rod, a 18, a water guide hole, a 19, a connecting pipe, a 20, a first circular pipe, a 21, a second circular pipe, a 22, a sponge ring, a 23, a blocking ring, a 24, a circular rod, a 25, a water outlet groove, a 26, a floating ring, a 27, a supporting plate, a 28, a limiting disc, a 29, a fixing rod, a 30, a push plate, a 31, a filter screen, a 32, bristles, a first magnetic block, a 34, a second magnetic block, a 35 and an annular groove.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
The seawater water quality detection device comprises a floating plate 1, wherein the top surface of the floating plate 1 is fixedly connected with a water retaining ring 2, the bottom surface of the floating plate 1 is fixedly connected with a stabilizing cone 3, through holes are formed in the center positions of the floating plate 1 and the stabilizing cone 3, a connecting shell 8 is arranged in the through holes, a cavity 9 is formed in the connecting shell 8, a detection unit 10 is arranged in the cavity 9, a water inlet component is arranged on the connecting shell 8, the top surface of the floating plate 1 is fixedly connected with a pair of fixing plates 4, a rotating shaft 5 is rotatably connected between the fixing plates 4, a wire collecting wheel 7 is fixedly connected to the surface of the rotating shaft 5, one end, far away from the wire collecting wheel 7, of the wire collecting wheel 6 is fixedly connected with the connecting shell 8, and a motor for driving the rotating shaft 5 to rotate is arranged on one side of the fixing plate 4;
When the water body with different water levels is to be detected, the floating plate 1 is required to be placed on the water surface, the rotating shaft 5 is driven to rotate by the motor, so that the wire winding wheel 7 rotates, the wire 6 wound on the wire winding wheel 7 moves downwards, the connecting shell 8 enters water, after the connecting shell 8 reaches a designated depth, the water inlet assembly is opened, the water enters the connecting shell 8, then the water body is detected by the detecting unit 10, after the water body is detected, the motor is controlled to reverse rotation of the wire winding wheel 7, the wire 6 pulls the connecting shell 8 to lift, the connecting shell 8 enters the through hole, at the moment, the water of the connecting shell 8 is discharged by the water inlet assembly, then the floating plate 1 is placed at other water surface positions, the water body is continuously detected, the detection requirements of different water levels can be met by the mechanism, and the convenience of water body water quality detection is greatly improved.
The water inlet assembly comprises a water inlet groove 11 formed in the side wall of a connecting shell 8, a sliding groove 13 communicated with the water inlet groove 11 is formed in the connecting shell 8, a sealing plate 12 made of magnetic materials is arranged in the sliding groove 13, a first spring is fixedly connected between the top surface of the sealing plate 12 and the inner wall of the sliding groove 13, an electromagnet 14 which is magnetic with the sealing plate 12 is fixedly connected to the top surface of the inner wall of the sliding groove 13, when the connecting shell 8 reaches a specified depth, the electromagnet 14 can suck the sealing plate 12 to rise, water can enter a cavity 9 from the water inlet groove 11 and then contact with a detection unit 10 for detection, when the connecting shell 8 enters a through hole, the connecting shell 8 is not contacted with water, water can be discharged from the water inlet groove 11, and then the electromagnet 14 is closed, so that the first spring pushes the sealing plate 12 to seal the water inlet groove 11.
The connecting shell 8 is internally provided with a rectangular groove 15, the inner wall of the rectangular groove 15 is hermetically and slidingly connected with a group of rectangular plates 16, the rectangular plates 16 are fixed through connecting rods 17, the bottom surface of the cavity 9 is provided with a water guide hole 18 communicated with the rectangular groove 15, the connecting shell 8 is internally provided with a driving mechanism for driving the rectangular plates 16 to move, when water enters the cavity 9, the connecting plates on the right side can be driven to move to one side far away from the sealing plate 12 by the driving mechanism, at the moment, the connecting plates on the right side are misplaced with the water guide hole, at the moment, water in the cavity 9 can enter between a pair of connecting plates from the water guide hole 18 until the next connecting plate moves to the position of the water guide hole 18, at the moment, the water entering the connecting plates can be sampled, and the water guide hole 18 can be used for subsequent more complex detection.
The sealing plate 12 is in sealed sliding connection with the inner wall of the sliding groove 13, a connecting rod 17 is communicated between the sliding groove 13 and the rectangular groove 15, a connecting pipe 19 is communicated between the rectangular groove 15 and the sliding groove 13, an air outlet one-way valve is arranged in the connecting pipe 19, a first circular pipe 20 is arranged on the side wall of the sliding groove 13, an air inlet one-way valve is arranged in the first circular pipe 20, a second circular pipe 21 communicated with the rectangular groove 15 is arranged on the side wall of the connecting shell 8, and a control valve is arranged in the second circular pipe 21;
When the sealing plate 12 moves upwards, gas in the sliding groove 13 is pushed to enter the rectangular groove 15 from the connecting pipe 19, at the moment, the gas can push the connecting plate to move, so that the connecting plate on the right side can be misplaced with the water inlet hole, at the moment, water in the cavity 9 can enter between a pair of connecting plates from the water guide hole 18, then when the sealing plate 12 continuously ascends, the gas in the sliding groove 13 can continuously enter the rectangular groove 15, so that the connecting plate is always pushed to move, the next connecting plate moves to the water guide hole 18, the sealing plate 12 is carried out on the water guide hole 18, then when the connecting shell 8 enters the through hole, the sealing plate 12 can move downwards, at the moment, the sliding groove 13 can carry out air inlet from the first circular pipe 20, the connecting plates can be driven to continuously move through the ascending driving mechanism, so that seawater with different depths can be stored between all the connecting plates to detect, and the diversity of water sampling is improved.
An annular groove 35 is formed in the top surface of the inner wall of the cavity 9, a baffle ring 23 is slidably connected to the inner wall of the annular groove 35, a sponge ring 22 is fixedly connected to the top surface of the baffle ring 23, a round rod 24 is hermetically and slidably connected to the top surface of the connecting shell 8, the bottom surface of the round rod 24 is fixedly connected with the baffle ring 23, a second spring is fixedly connected between the top surface of the baffle ring 23 and the inner wall of the annular groove 35, and a push plate 30 for pushing the round rod 24 is arranged on the inner wall of the through hole;
after the detection unit 10 is used, seawater remains on the detection unit 10, the residual seawater can influence the detection result of the detection unit 10 on other seawater with different depths, when the connection shell 8 enters the through hole through the mechanism, the push plate 30 can push the round rod 24, so that the round rod 24 drives the sponge ring 22 to move downwards, at the moment, the sponge ring 22 can clean the residual seawater on the surface of the detection unit 10, and then when the connection shell 8 moves downwards, the second spring can pull the baffle ring 23, so that the sponge ring 22 enters the annular groove 35, the baffle ring 23 can block the seawater, and the sponge ring 22 is prevented from being soaked by the seawater, so that the cleaning effect on the detection unit 10 is prevented.
A group of water outlet grooves 25 are formed in the top surface of the inner wall of the cavity 9, one end of each water outlet groove 25 is communicated with the corresponding annular groove 35, a floating ring 26 sealing the water outlet grooves 25 is arranged in the cavity 9, when the sponge ring 22 is reset, the sponge ring 22 is extruded by the annular groove 35 by means of the second spring tension, water adsorbed by the sponge ring 22 is extruded out, water is discharged from the water outlet grooves 25, and when water enters the cavity 9, the floating ring 26 floats upwards to seal the water outlet grooves 25, so that the water is prevented from entering the annular groove 35.
The top surface of the cavity 9 is fixedly connected with a fixing rod 29, the surface of the fixing rod 29 is connected with a supporting plate 27 in a sliding manner, the side wall of the supporting plate 27 is fixedly connected with a floating ring 26, the bottom surface of the fixing rod 29 is fixedly connected with a limiting disc 28, the floating ring 26 can be limited by means of contact between the supporting plate 27 and the limiting disc 28, and when water enters the cavity 9, the floating ring 26 rises by means of buoyancy, so that the water outlet groove 25 is sealed.
In a second embodiment, as shown in fig. 5, in a comparative example one, in another embodiment of the present application, a filter screen 31 is fixedly connected to an inner wall of the water inlet tank 11, bristles 32 are fixedly connected to a side of the sealing plate 12 close to the filter screen 31, a set of first magnetic blocks 33 are fixedly connected to a side of the filter screen 31 far away from the sealing plate 12, a set of second magnetic blocks 34 which repel the first magnetic blocks 33 are fixedly connected to a side of the sealing plate 12 close to the filter screen 31, when the water inlet tank 11 is used for water inlet, the filter screen 31 can filter larger impurities in seawater, and meanwhile, when the sealing plate 12 is moved, bristles 32 on the sealing plate 12 can brush impurities on the filter screen 31, and meanwhile, the filter screen 31 can continuously shake by means of repulsion of the first magnetic blocks 33 and the second magnetic blocks 34, so as to further assist in cleaning impurities on the filter screen 31.
As shown in fig. 6, the method for detecting the quality of the seawater body adopts the device for detecting the quality of the seawater body, and comprises the following steps:
S1, placing a floating plate 1 on the water surface, driving a rotating shaft 5 to rotate by means of a motor, enabling a take-up pulley 7 to rotate, enabling a lead 6 to move downwards, enabling a connecting shell 8 to enter the water, and stopping rotation of the take-up pulley 7 until the connecting shell 8 reaches a specified depth;
S2, sucking the sealing plate 12 to rise through the electromagnet 14, enabling water to enter the cavity 9 from the water inlet tank 11, then contacting with the detection unit 10 for detection, and reversely pulling the wire 6 through the wire winding wheel 7 after the water quality detection is completed, so that the connecting shell 8 enters the through hole;
S3, when the connecting shell 8 enters the through hole, the push plate 30 pushes the round rod 24, so that the round rod 24 drives the sponge ring 22 to move downwards, and at the moment, the sponge ring 22 can clean the residual seawater on the surface of the detecting unit 10;
And S4, when the connecting shell 8 descends, the second spring pulls the baffle ring 23, so that the sponge ring 22 is extruded by the annular groove 35, water absorbed by the sponge ring 22 is extruded, and when the water enters the cavity 9, the floating ring 26 can seal the water outlet groove 25 by means of buoyancy ascending.
The water quality detection device comprises a water quality detection device, a water quality detection system and a water quality detection system, wherein the water quality detection system is characterized in that a floating plate 1 is placed on the water surface, a rotating shaft 5 is driven by a motor to rotate, a wire collecting wheel 7 rotates, a wire 6 wound on the wire collecting wheel 7 moves downwards, a connecting shell 8 enters water, a water inlet component is started after the connecting shell 8 reaches a specified depth, water enters the connecting shell 8, then the water quality detection system is detected by a detection unit 10, after the water quality detection is completed, the wire 6 is controlled to reverse rotation of the wire collecting wheel 7, the wire 6 pulls the connecting shell 8 to ascend, the connecting shell 8 enters a through hole, water of the connecting shell 8 is discharged by the water inlet component, then the floating plate 1 is placed at other water surface positions, the water quality detection system continues to detect the water quality, and the water quality detection requirements of different water levels can be met by the mechanism; when the connecting shell 8 reaches a specified depth, the electromagnet 14 can be used for sucking the sealing plate 12 to rise, water enters the cavity 9 from the water inlet tank 11 at the moment and then is in contact with the detection unit 10 for detection, when the connecting shell 8 enters the through hole, the connecting shell 8 is not in contact with the water any more, the water can be discharged from the water inlet tank 11 at the moment, and then the electromagnet 14 is closed, so that the sealing plate 12 is pushed by the first spring to seal the water inlet tank 11;
When water enters the cavity 9, the connecting plates can be driven by the driving mechanism to move, so that the connecting plates on the right side move to the side far away from the sealing plate 12, the connecting plates on the right side are staggered with the water inlet holes, water in the cavity 9 enters between the pair of connecting plates from the water guide holes 18, then the water guide holes 18 are sealed by the sealing plate 12 until the next connecting plate moves to the water guide holes 18, and the water entering between the connecting plates can be sampled and can be used for subsequent more complex detection; when the sealing plate 12 moves upwards, gas in the sliding groove 13 is pushed to enter the rectangular groove 15 from the connecting pipe 19, the gas pushes the connecting plate to move, so that the connecting plate on the right side can be misplaced with the water inlet hole, water in the cavity 9 can enter between the pair of connecting plates from the water guide hole 18, then when the sealing plate 12 continuously ascends, the gas in the sliding groove 13 continuously enters the rectangular groove 15, so that the connecting plate is always pushed to move, the next connecting plate moves to the water guide hole 18, the sealing plate 12 is carried out on the water guide hole 18, then when the connecting shell 8 enters the through hole, the sealing plate 12 can move downwards, at the moment, the sliding groove 13 can carry out air inlet from the first circular pipe 20, the connecting plates can be driven to continuously move through the ascending driving mechanism, so that seawater with different depths can be stored between all the connecting plates to detect, and the diversity of water sampling is improved;
After the detection unit 10 is used, seawater remains on the detection unit 10, the residual seawater can influence the detection result of the detection unit 10 on other deep seawater, when the connection shell 8 enters the through hole through the mechanism, the push plate 30 can push the round rod 24, the round rod 24 drives the sponge ring 22 to move downwards, the sponge ring 22 can clean the residual seawater on the surface of the detection unit 10, then when the connection shell 8 moves downwards, the second spring can pull the baffle ring 23, the sponge ring 22 enters the annular groove 35, the baffle ring 23 can block the seawater, the sponge ring 22 is prevented from being soaked by the seawater, the cleaning effect on the detection unit 10 is prevented from being influenced by the seawater, when the sponge ring 22 is reset, the sponge ring 22 is extruded by the annular groove 35 by means of the tensile force of the second spring, the water adsorbed by the sponge ring 22 can be extruded out of the water outlet groove 25, the water can be discharged from the water outlet groove 25, when the water enters the cavity 9, the floating ring 26 can be sealed up to the water outlet groove 25, the floating ring 26 can be prevented from entering the annular groove 35, and the floating ring 26 can be limited by the aid of the supporting plate 27 and the floating ring 26 can be limited by the sealing disk 25 when the floating ring 9.
The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
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| CN202510313977.7A CN119804810B (en) | 2025-03-17 | 2025-03-17 | Seawater water quality detection device and method |
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| CN118641285A (en) * | 2024-07-11 | 2024-09-13 | 深圳市环水启航水质净化有限公司 | A stratified sampling device for water quality monitoring |
| CN118960909A (en) * | 2024-08-09 | 2024-11-15 | 云南华电金沙江中游水电开发有限公司梨园发电分公司 | Multifunctional monitoring device for water conservancy and hydropower engineering and use method thereof |
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