Ecological detection sampling device for hydrology and water resources

Abstract

The invention discloses a hydrology and water resource ecological detection sampling device which comprises a bottom plate, a plurality of universal wheels are arranged on the bottom side wall of the bottom plate, a supporting plate is fixedly connected to the upper side of the bottom plate, a top plate is fixedly connected to the upper side of the supporting plate, and a fixed pulley is arranged on the bottom side wall of the top plate. Two side plates are fixedly connected to the upper side of the bottom plate, a winding wheel is rotationally connected between the two side plates, a mounting plate is fixedly connected to the side wall of one side plate, a servo motor is fixedly connected to the upper side of the mounting plate, and an output shaft of the servo motor is fixedly connected to one end of a rotating shaft of the winding wheel. And a pull rope is wound on the winding wheel, the pull rope is slidably connected to the fixed pulley, and the bottom end of the pull rope is fixedly connected with a tension sensor. According to the method, the regulation and control coefficient HL is constructed to regulate and control the pull-back speed of the barrel body and the shaking damping effect of the barrel body, so that the stability of the barrel body during water taking and pull-back during detection is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of water resource sampling, and in particular to a hydrological and water resource ecological detection sampling device. Background Art

[0002] Currently, when monitoring the water resources of some rivers, it is necessary to go to the corresponding waters for sampling and testing. Some water surfaces require throwing buckets down from a boat, a bridge or a riverside guardrail to collect water. There are strong winds on some water surfaces. When the bucket is pulled back after taking the water, a lot of water will be lost because the speed of pulling back the bucket and the shaking amplitude of the bucket are difficult to control. For this reason, a hydrological and water resources ecological detection sampling device is proposed. Summary of the invention

[0003] The present invention provides a hydrological and water resources ecological detection sampling device to solve the problems raised in the above background technology.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions: A hydrological and water resources ecological detection sampling device comprises a bottom plate, a plurality of universal wheels are arranged on the bottom side wall of the bottom plate, a support plate is fixedly connected to the upper side of the bottom plate, a top plate is fixedly connected to the upper side of the support plate, a fixed pulley is arranged on the bottom side wall of the top plate, two side plates are fixedly connected to the upper side of the bottom plate, a winding wheel is rotatably connected between the two side plates, a mounting plate is fixedly connected to the side wall of one of the side plates, a servo motor is fixedly connected to the upper side of the mounting plate, an output shaft of the servo motor is fixedly connected to one end of the rotating shaft of the winding wheel, a pull rope is wound on the winding wheel, the pull rope is slidably connected to the fixed pulley, a tension sensor is fixedly connected to the bottom end of the pull rope, and the tension sensor The bottom side wall of the device is fixedly connected to an installation box, the inner side wall of the installation box is provided with a tilt sensor, the bottom side wall of the installation box is fixedly connected to a handle, the bottom end of the handle is fixedly connected to a barrel body, the interior of the barrel body is fixedly connected to a partition, the partition divides the interior of the barrel body into a water intake chamber and a damping chamber, a through hole is opened in the center of the partition, a flexible water pipe is fixedly connected to the bottom side wall of the through hole, a damping metal ball is fixedly connected to the bottom end of the flexible water pipe, the damping metal ball is hollow, the upper and lower ends of the flexible water pipe are respectively connected to the through hole and the inside of the damping metal ball, a suction cup electromagnet is provided on the bottom side wall of the damping chamber, and the suction cup electromagnet is located directly below the damping metal ball.

[0005] Preferably, the tension sensor, the inclination sensor and the damping metal ball are all colinear with the axis of the barrel.

[0006] Preferably, it also includes a control mechanism, which is used to regulate the speed of pulling back the barrel body and the shaking damping effect of the barrel body, so as to improve the stability of the barrel body when pulling back to take water.

[0007] Preferably, the control mechanism includes a control module, a detection module, and a processing module; The control module is connected with the servo motor and the suction cup type electromagnet by electrical signals; The detection module includes a weight detection unit for detecting the weight of the barrel body and an inclination detection unit for detecting the inclination of the barrel body; The processing module includes an evaluation unit and a judgment unit.

[0008] Preferably, the control module controls the speed of the winding wheel to reel in the rope by controlling the speed of the servo motor, thereby controlling the speed of the barrel body being pulled back; The control module controls the magnetic force generated by the suction cup electromagnet by controlling the power of the suction cup electromagnet. The magnetic force of the suction cup electromagnet can produce magnetic attraction on the damping metal ball, and then the swing amplitude and frequency of the damping metal ball can be controlled by controlling the magnetic force of the suction cup electromagnet. The swing amplitude and frequency of the damping metal ball can control the shaking damping effect of the barrel body.

[0009] Preferably, the weight detection unit is a tension sensor, and the tilt detection unit is a tilt angle sensor.

[0010] Preferably, the method of using the hydrological and water resources ecological detection sampling device is: S1, first move the bottom plate to the riverside, then control the servo motor to drive the reel to rotate, so that the pull rope drives the barrel to gradually descend into the river surface; S2, after the water intake chamber of the barrel is filled with river water, the servo motor is controlled to drive the reel to reel in the rope to pull the barrel back. At this time, the river water in the water intake chamber will fill the damping metal ball and the flexible water pipe through the through hole. When the barrel shakes, the damping metal ball will swing in the opposite direction through the shaking, producing a damping effect on the shaking of the barrel; S3, respectively detecting the weight and the inclination of the barrel body through the weight detection unit and the inclination detection unit in the detection module to form a weight R and an inclination M; S4, summarizing the obtained weight R and inclination M to form detection condition information, constructing a data model and optimizing the model, performing regression analysis on the obtained weight R and inclination M through analysis software, obtaining the influence of the weight R and inclination M on the stability of the barrel body when taking water back, and outputting the weight influence factor Ar and the inclination influence factor Am; S5, the evaluation unit obtains the weight R and the inclination M, and performs dimensionless processing on them, and associates them to form the control coefficient HL, and the association model is:

[0011] Wherein, Ar represents the vibration frequency influence factor, 0.15≤Ar≤0.79; Am represents the pressure influence factor, 0.42≤Am≤0.56; S6, transmit the obtained control coefficient HL to the judgment unit for comparison with the preset threshold. If the control coefficient HL is not within the range of the preset threshold, a corresponding control instruction is generated to control the speed of the servo motor and the power of the suction cup electromagnet. At the same time, the control coefficient HL of the device is evaluated until the control coefficient HL is within the preset threshold, thereby ensuring the stability of the barrel when taking water back.

[0012] Compared with the prior art, the present invention has the following beneficial effects: The present invention regulates the speed of pulling back the barrel body and the damping effect of barrel body shaking by constructing a regulation coefficient HL, thereby ensuring the stability of the barrel body when it detects water intake and pulls back.

[0013] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. The specific implementation of the present invention is given in detail by the following embodiments and their accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings: Figure 1 This is a schematic diagram of the three-dimensional structure of a hydrological and water resources ecological detection sampling device proposed by the present invention; Figure 2 It is a structural schematic diagram of the barrel body in the present invention; Figure 3 It is a schematic diagram of the front cross-sectional structure of the barrel body in the present invention; Figure 4 This is a front view structural schematic diagram of a hydrological and water resources ecological detection sampling device proposed by the present invention.

[0015] In the accompanying drawings, the components represented by the reference numerals are listed as follows: 1. Top plate; 2. Support plate; 3. Winding wheel; 4. Servo motor; 5. Mounting plate; 6. Side plate; 7. Bottom plate; 8. Fixed pulley; 9. Pull rope; 10. Handle; 11. Barrel body; 12. Mounting box; 13. Tension sensor; 14. Universal wheel; 15. Suction cup electromagnet; 16. Damping chamber; 17. Damping metal ball; 18. Through hole; 19. Water intake chamber; 20. Inclination sensor; 21. Flexible water pipe; 22. Partition. DETAILED DESCRIPTION

[0016] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail by way of example with reference to the accompanying drawings in the following paragraphs. It should be noted that the accompanying drawings are all in a very simplified form and are not in precise proportions, and are only used to facilitate and clearly assist in explaining the purpose of the embodiments of the present invention.

[0017] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which the present invention belongs. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0019] See also Figures 1 to 4In an embodiment of the present invention, a hydrological and water resources ecological detection sampling device includes a bottom plate 7, a plurality of universal wheels 14 are arranged on the bottom side wall of the bottom plate 7, a support plate 2 is fixedly connected to the upper side of the bottom plate 7, a top plate 1 is fixedly connected to the upper side of the support plate 2, a fixed pulley 8 is arranged on the bottom side wall of the top plate 1, two side plates 6 are fixedly connected to the upper side of the bottom plate 7, a winding wheel 3 is rotatably connected between the two side plates 6, a mounting plate 5 is fixedly connected to the side wall of one of the side plates 6, a servo motor 4 is fixedly connected to the upper side of the mounting plate 5, an output shaft of the servo motor 4 is fixedly connected to one end of the rotating shaft of the winding wheel 3, a pull rope 9 is wound around the winding wheel 3, the pull rope 9 is slidably connected to the fixed pulley 8, a tension sensor 13 is fixedly connected to the bottom end of the pull rope 9, a mounting box 12 is fixedly connected to the bottom side wall of the tension sensor 13, and a mounting box 12 is arranged on the inner side wall of the mounting box 12 There is an inclination sensor 20, and the bottom side wall of the installation box 12 is fixedly connected with a handle 10, and the bottom end of the handle 10 is fixedly connected with a barrel body 11. The interior of the barrel body 11 is fixedly connected with a partition 22, and the partition 22 divides the interior of the barrel body 11 into a water intake chamber 19 and a damping chamber 16. A through hole 18 is opened in the center of the partition 22, and a flexible water pipe 21 is fixedly connected to the bottom side wall of the through hole 18. A damping metal ball 17 is fixedly connected to the bottom end of the flexible water pipe 21. The damping metal ball 17 is hollow, and the upper and lower ends of the flexible water pipe 21 are respectively connected to the through hole 18 and the inside of the damping metal ball 17. A suction cup electromagnet 15 is provided on the bottom side wall of the damping chamber 16, and the suction cup electromagnet 15 is located directly below the damping metal ball 17. The tension sensor 13, the inclination sensor 20 and the damping metal ball 17 are all collinear with the axis of the barrel body 11.

[0020] The present invention also includes a control mechanism, which is used to regulate the speed of pulling back the barrel body 11 and the shaking damping effect of the barrel body 11, so as to improve the stability of the barrel body 11 when pulling back to take water; The control mechanism includes a control module, a detection module, and a processing module; The control module is connected to the servo motor 4 and the suction cup electromagnet 15 by electrical signals; the control module controls the speed of the winding wheel 3 winding the pull rope 9 by controlling the speed of the servo motor 4, and then controls the speed of pulling back the barrel body 11; The control module controls the magnetic force generated by the suction cup electromagnet 15 by controlling the power of the suction cup electromagnet 15. The magnetic force of the suction cup electromagnet 15 can produce magnetic attraction on the damping metal ball 17, and then the swing amplitude and frequency of the damping metal ball 17 can be controlled by controlling the magnetic force of the suction cup electromagnet 15. The swing amplitude and frequency of the damping metal ball 17 can control the shaking damping effect of the barrel body 11. The detection module includes a weight detection unit for detecting the weight of the barrel body 11 and a tilt detection unit for detecting the tilt of the barrel body 11. The weight detection unit is a tension sensor 13, and the tilt detection unit is a tilt angle sensor 20. The processing module includes an evaluation unit and a judgment unit.

[0021] The method of using the hydrological and water resources ecological detection sampling device is as follows: S1, first move the bottom plate 7 to the riverside, then control the servo motor 4 to drive the reel 3 to rotate, so that the pull rope 9 drives the barrel 11 to gradually descend into the river surface; S2, after the water intake chamber 19 of the barrel body 11 is filled with river water, the servo motor 4 is controlled to drive the reel 3 to reel in the pull rope 9 to pull back the barrel body 11. At this time, the river water in the water intake chamber 19 will fill the damping metal ball 17 and the flexible water pipe 21 through the through hole 18. When the barrel body 11 shakes, the damping metal ball 17 will swing in the opposite direction through the shaking, thereby producing a damping effect on the shaking of the barrel body 11; S3, the weight and the inclination of the barrel body 11 are detected by the weight detection unit and the inclination detection unit in the detection module to form a weight R and an inclination M; S4, the obtained weight R and inclination M are summarized to form the detection condition information, a data model is constructed and optimized, and regression analysis is performed on the obtained weight R and inclination M through analysis software to obtain the influence of the weight R and inclination M on the stability of the barrel body 11 when taking water back, and the weight influence factor Ar and the inclination influence factor Am are output; S5, the evaluation unit obtains the weight R and the inclination M, and performs dimensionless processing on them, and associates them to form the control coefficient HL, and the association model is:

[0022] Wherein, Ar represents the vibration frequency influence factor, 0.15≤Ar≤0.79; Am represents the pressure influence factor, 0.42≤Am≤0.56; S6, the obtained control coefficient HL is transmitted to the judgment unit for comparison with the preset threshold. If the control coefficient HL is not within the range of the preset threshold, a corresponding control instruction is generated to adjust the rotation speed of the servo motor 4 and the power of the suction cup electromagnet 15. At the same time, the control coefficient HL of the device is evaluated until the control coefficient HL is within the preset threshold, thereby ensuring the stability of the barrel body 11 when taking water and pulling it back.

[0023] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A hydrological and water resources ecological detection sampling device, comprising a bottom plate (7), characterized in that: A plurality of universal wheels (14) are provided on the bottom side wall of the bottom plate (7); a support plate (2) is fixedly connected to the upper side of the bottom plate (7); a top plate (1) is fixedly connected to the upper side of the support plate (2); a fixed pulley (8) is provided on the bottom side wall of the top plate (1); two side plates (6) are fixedly connected to the upper side of the bottom plate (7); a winding wheel (3) is rotatably connected between the two side plates (6); a mounting plate (5) is fixedly connected to the side wall of one of the side plates (6); a servo motor (4) is fixedly connected to the upper side of the mounting plate (5); an output shaft of the servo motor (4) is fixedly connected to one end of a rotating shaft of the winding wheel (3); a pull rope (9) is wound around the winding wheel (3); the pull rope (9) is slidably connected to the fixed pulley (8); a tension sensor (13) is fixedly connected to the bottom end of the pull rope (9); a mounting box (12) is fixedly connected to the bottom side wall of the tension sensor (13); the mounting box (12) is fixedly connected to the bottom side wall of the mounting box (12); 2), a tilt sensor (20) is provided on the inner side wall of the installation box (12), a handle (10) is fixedly connected to the bottom side wall of the installation box (12), the bottom end of the handle (10) is fixedly connected to the barrel body (11), a partition (22) is fixedly connected to the inside of the barrel body (11), the partition (22) divides the inside of the barrel body (11) into a water intake chamber (19) and a damping chamber (16), a through hole (18) is opened in the center of the partition (22), and the through hole (18) is A flexible water pipe (21) is fixedly connected to the bottom side wall, and a damping metal ball (17) is fixedly connected to the bottom end of the flexible water pipe (21). The damping metal ball (17) is hollow, and the upper and lower ends of the flexible water pipe (21) are respectively connected to the through hole (18) and the inside of the damping metal ball (17). A suction cup type electromagnet (15) is provided on the bottom side wall of the damping chamber (16), and the suction cup type electromagnet (15) is located directly below the damping metal ball (17).

2. A hydrological and water resources ecological detection sampling device according to claim 1, characterized in that: The tension sensor (13), the tilt sensor (20) and the damping metal ball (17) are all colinear with the axis of the barrel body (11).

3. A hydrological and water resources ecological detection sampling device according to claim 2, characterized in that: It also comprises a control mechanism, wherein the control mechanism is used to regulate the speed of pulling back the barrel body (11) and the shaking damping effect of the barrel body (11), thereby improving the stability of the barrel body (11) when pulling back to take in water.

4. A hydrological and water resources ecological detection sampling device according to claim 3, characterized in that: The control mechanism includes a control module, a detection module, and a processing module; The control module is connected to the servo motor (4) and the suction cup electromagnet (15) by electrical signals; A detection module, comprising a weight detection unit for detecting the weight of the barrel body (11) and an inclination detection unit for detecting the inclination of the barrel body (11); The processing module includes an evaluation unit and a judgment unit.

5. A hydrological and water resources ecological detection sampling device according to claim 4, characterized in that: The control module controls the speed of the winding wheel (3) winding the pull rope (9) by controlling the rotation speed of the servo motor (4), thereby controlling the speed of pulling back the barrel body (11); The control module controls the magnitude of the magnetic force generated by the suction cup electromagnet (15) by controlling the power of the suction cup electromagnet (15); the magnetic force of the suction cup electromagnet (15) can generate magnetic attraction on the damping metal ball (17); and the swing amplitude and frequency of the damping metal ball (17) can be controlled by controlling the magnitude of the magnetic force of the suction cup electromagnet (15); the swing amplitude and frequency of the damping metal ball (17) can control the shaking damping effect of the barrel body (11).

6. A hydrological and water resources ecological detection sampling device according to claim 5, characterized in that: The weight detection unit is a tension sensor (13), and the tilt detection unit is an inclination sensor (20).

7. A hydrological and water resources ecological detection sampling device according to claim 6, characterized in that: The method of using the hydrological and water resources ecological detection sampling device is as follows: S1, first move the bottom plate (7) to the river bank, then control the servo motor (4) to drive the reel (3) to rotate, so that the pull rope (9) drives the barrel (11) to gradually descend into the river surface; S2, after the water intake chamber (19) of the barrel body (11) is filled with river water, the servo motor (4) is controlled to drive the reel (3) to reel in the pull rope (9) to pull back the barrel body (11). At this time, the river water in the water intake chamber (19) will pass through the through hole (18) and fill the damping metal ball (17) and the flexible water pipe (21). When the barrel body (11) shakes, the damping metal ball (17) will swing in the opposite direction through the shaking, thereby producing a damping effect on the shaking of the barrel body (11); S3, respectively detecting the weight of the barrel body (11) and the inclination of the barrel body (11) through a weight detection unit and an inclination detection unit in the detection module to form a weight R and an inclination M; S4, summarizing the obtained weight R and inclination M to form detection condition information, constructing a data model and optimizing the model, performing regression analysis on the obtained weight R and inclination M through analysis software, obtaining the influence of the weight R and inclination M on the stability of the barrel (11) when taking water back, and outputting the weight influence factor Ar and the inclination influence factor Am; S5, the evaluation unit obtains the weight R and the inclination M, and performs dimensionless processing on them, and associates them to form the control coefficient HL, and the association model is: Wherein, Ar represents the vibration frequency influence factor, 0.15≤Ar≤0.79; Am represents the pressure influence factor, 0.42≤Am≤0.56; S6, transmitting the acquired control coefficient HL to the judgment unit for comparison with a preset threshold value. If the control coefficient HL is not within the range of the preset threshold value, a corresponding control instruction is generated to control the rotation speed of the servo motor (4) and the power of the suction cup electromagnet (15). At the same time, the control coefficient HL of the device is evaluated until the control coefficient HL is within the preset threshold value, thereby ensuring the stability of the barrel body (11) when taking water back.

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