Water quality monitoring device based on Internet of Things

Abstract

The invention discloses a water quality monitoring device based on Internet of Things, which comprises a cylinder, a threaded ring is coaxially and fixedly arranged in the cylinder, an annular air bag is fixedly arranged between the outer wall of the threaded ring and the inner wall of the cylinder, and the top of the threaded ring is connected with a sealing cover through a threaded structure; the bottom end of the barrel is coaxially and fixedly connected with one end of a supporting barrel, a threaded rod is coaxially and rotatably arranged in the supporting barrel, one end of the threaded rod is fixedly connected with an output shaft of a servo motor, the servo motor is fixedly installed in the barrel, and the threaded rod is sleeved with an extension assembly through a threaded structure. The bottoms of the two sides of the stretching assembly are hinged to one ends of mounting plates correspondingly, the mounting plates slidably penetrate out of the supporting cylinder through sliding openings, water quality monitoring sensors are fixedly mounted at the tops of the other ends of the mounting plates correspondingly, and the sliding openings are formed in the two sides of the supporting cylinder correspondingly.

Description

Technical Field

[0001] The present invention relates to the technical field of water quality monitoring, and in particular to a water quality monitoring device based on the Internet of Things. Background Art

[0002] Water quality monitoring is the process of monitoring and measuring the types of pollutants in water, the concentrations of various pollutants and their changing trends, and evaluating the water quality. After searching, a Chinese patent with application number CN202322392174.4 disclosed a water quality monitoring device based on the Internet of Things, including: a box body, a first partition is arranged in the middle of the box body, the first partition divides the box body into an upper chamber and a lower chamber, a plurality of second partitions are arranged in the lower chamber, the second partition divides the lower chamber into a plurality of independent compartments, a conduit is connected to the first partition, the conduit runs through the lower chamber, and a water quality detection device is arranged at the end of the conduit.

[0003] Although the device can realize water quality monitoring, the monitoring depth is a fixed value. It can only measure the water quality at a certain depth and cannot monitor the water quality at different depths. This method will make the water quality monitoring results not comprehensive enough and reduce the accuracy of the water quality monitoring results, which is not conducive to people's water quality management. For this reason, we propose a water quality monitoring device based on the Internet of Things to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a water quality monitoring device based on the Internet of Things to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a water quality monitoring device based on the Internet of Things, comprising a cylinder, a threaded ring is coaxially fixed inside the cylinder, an annular air bag is fixed between the outer wall of the threaded ring and the inner wall of the cylinder, and a sealing cover is connected to the top of the threaded ring through a threaded structure; The bottom end of the cylinder is coaxially fixedly connected to one end of the supporting cylinder, a threaded rod is coaxially rotatably provided in the supporting cylinder, one end of the threaded rod is fixedly connected to the output shaft of the servo motor, the servo motor is fixedly installed in the cylinder, the threaded rod is externally sleeved with an extension component through a threaded structure, and the bottoms on both sides of the extension component are respectively hinged to one end of a mounting plate, the mounting plate slides out of the supporting cylinder through a sliding opening, and a water quality monitoring sensor is fixedly installed on the top of the other end of the mounting plate, and the sliding openings are respectively opened on both sides of the supporting cylinder.

[0006] Preferably, a counterweight is coaxially fixedly mounted on the other end of the support cylinder.

[0007] Preferably, a control unit, a wireless transceiver module, a lithium battery, and a GPS module are fixedly disposed in the threaded ring respectively.

[0008] Preferably, the extension assembly includes an internal threaded barrel, an adjustment ring, a positioning hole, a cylindrical block, a limit plate, a slide groove, a spring, a support connecting rod, a hinged seat, and a movable seat. The internal threaded barrel is sleeved with a threaded rod through a threaded structure, and the two sides of the bottom of the internal threaded barrel are respectively hinged to the end portions of the mounting plate, and the external sliding adjustment ring of the internal threaded barrel is sleeved, and the bottoms of both sides of the adjusting ring are respectively fixedly connected to the movable seats, the movable seats are respectively hinged to one end of the support connecting rod, and the other end of the support connecting rod is respectively hinged to the hinged seat, and the hinged seats are respectively fixedly connected to one side of the top end of the mounting plate.

[0009] Preferably, positioning holes are respectively provided on both sides of the top of the adjusting ring, and one side of the cylindrical block is slidably engaged in the positioning holes, and the other side of the cylindrical block is slidably sleeved in the slide groove and the other side end of the cylindrical block is fixedly connected to a limit plate, and the limit plate is slidably arranged in the slide groove, and one end of the limit plate away from the cylindrical block is respectively fixedly connected to one end of the spring, and the other end of the spring is respectively fixedly connected to the inner wall of the slide groove, and the slide groove is provided on both sides of the straight middle part of the internal threaded cylinder.

[0010] Preferably, the vertical cross-section of the internally threaded barrel is an inverted T-shaped structure, the top end of the internally threaded barrel is coaxially fixedly connected with an anti-slip ring, and the supporting connecting rods are symmetrically arranged.

[0011] Compared with the prior art, the beneficial effects of the present invention are: the threaded rod is driven to rotate by the servo motor, and the threaded rod drives the extension component to move linearly, thereby changing the depth position of the water quality monitoring sensor, making it convenient to monitor water quality at different depths and improving the comprehensiveness of water quality monitoring; at the same time, the setting of the extension component makes it convenient to fold the water quality sensor to avoid occupying a large space when carrying. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a schematic diagram of the top view of the structure inside the cylinder of the present invention; Figure 3 It is a schematic diagram of the cross-sectional structure of the present invention; Figure 4 For the present invention Figure 3 A schematic diagram of the enlarged structure in the middle.

[0013] In the figure: sealing cover 1, cylinder 2, annular airbag 3, threaded ring 4, control unit 41, wireless transceiver module 42, lithium battery 43, GPS module 44, support cylinder 5, slide 6, extension assembly 7, internal threaded cylinder 71, anti-slip ring 711, adjustment ring 72, positioning hole 73, cylindrical block 74, limit plate 75, slide groove 76, spring 77, support connecting rod 78, hinged seat 79, movable seat 70, mounting plate 8, water quality monitoring sensor 9, counterweight 10, servo motor 11, threaded rod 12. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example 1

[0015] Reference Figure 1 , 2 , which is the first embodiment of the present invention, and provides a water quality monitoring device based on the Internet of Things, including a cylinder 2, a threaded ring 4 is coaxially fixed inside the cylinder 2, an annular air bag 3 is fixed between the outer wall of the threaded ring 4 and the inner wall of the cylinder 2, and a sealing cover 1 is connected to the top of the threaded ring 4 through a threaded structure; The bottom end of the cylinder 2 is coaxially fixedly connected to one end of the supporting cylinder 5, and a threaded rod 12 is coaxially rotatably provided inside the supporting cylinder 5. One end of the threaded rod 12 is fixedly connected to the output shaft of the servo motor 11. The servo motor 11 is fixedly installed in the cylinder 2. The outside of the threaded rod 12 is sleeved with the extension component 7 through a threaded structure. The bottom of both sides of the extension component 7 are respectively hinged to one end of the mounting plate 8, and the mounting plate 8 slides out of the supporting cylinder 5 through the sliding mouth 6. The other end of the mounting plate 8 is fixedly installed with a water quality monitoring sensor 9 on the top, and the sliding mouth 6 is respectively opened on both sides of the supporting cylinder 5.

[0016] The interior of the cylinder 2 is sealed by the sealing cover 1, and the air injected into the annular airbag 3 provides buoyancy for the cylinder 2 to float on the water surface. During monitoring, the extension component 7 is unfolded, driving the mounting plate 8 to move from a vertical state to a horizontal state, and then the servo motor 11 is energized to drive the threaded rod 12 to rotate, and the threaded rod 12 drives the extension component 7 to move in the supporting cylinder 5, and the extension component 7 drives the mounting plate 8 to move synchronously, and the mounting plate 8 then drives the fixedly installed water quality monitoring sensor 9 to move synchronously, and the water quality monitoring sensor 9 stops after moving to the corresponding monitoring depth to monitor the water quality. Example 2

[0017] Reference Figure 1-4 , which is the second embodiment of the present invention, is based on the previous embodiment. Specifically, a counterweight 10 is coaxially fixedly installed on the other end of the support cylinder 5. The counterweight 10 makes the overall center of gravity at the bottom, thereby ensuring the stability of the support cylinder 5.

[0018] Specifically, a control unit 41, a wireless transceiver module 42, a lithium battery 43, and a GPS module 44 are fixedly installed in the threaded ring 4. The control unit 41 controls the overall power operation of the device and stores and transmits the monitoring data of the water quality monitoring sensor 9. The lithium battery 43 provides power for the device. The GPS module 44 realizes positioning of the device. The wireless transceiver module 42 wirelessly transmits the monitoring data of the water quality monitoring sensor 9.

[0019] Specifically, the extension component 7 includes an internal threaded tube 71, an adjusting ring 72, a positioning hole 73, a cylindrical block 74, a limit plate 75, a slide groove 76, a spring 77, a support connecting rod 78, a hinge seat 79, and a movable seat 70. The internal threaded tube 71 is sleeved with the threaded rod 12 through a threaded structure, and the two sides of the bottom of the internal threaded tube 71 are respectively hinged to the end of the mounting plate 8. The internal threaded tube 71 is externally slidably sleeved with the adjusting ring 72, and the bottoms of both sides of the adjusting ring 72 are respectively fixedly connected to the movable seat 70, and the movable seat 70 is respectively hinged to one end of the supporting connecting rod 78, and the other end of the supporting connecting rod 78 is respectively hinged to the hinge seat 79, and the hinge seat 79 is respectively fixedly connected to one side of the top of the mounting plate 8.

[0020] Furthermore, positioning holes 73 are respectively provided on both sides of the top of the adjusting ring 72, and one side of the cylindrical block 74 is slidably engaged in the positioning holes 73, and the other side of the cylindrical block 74 is slidably sleeved in the sliding groove 76 and the other side end of the cylindrical block 74 is fixedly connected to a limit plate 75, and the limit plate 75 is slidably arranged in the sliding groove 76, and the end of the limit plate 75 away from the cylindrical block 74 is respectively fixedly connected to one end of a spring 77, and the other end of the spring 77 is respectively fixedly connected to the inner wall of the sliding groove 76, and the sliding groove 76 is provided on both sides of the straight middle part of the internal threaded tube 71.

[0021] The mounting plate 8 is manually moved to make the mounting plate 8 in the vertical state swing down, and the mounting plate 8 drives the fixed hinged seat 79 to swing down, and the hinged seat 79 drives the hinged supporting connecting rod 78 to move, and the supporting connecting rod 78 drives the hinged movable seat 70 to move down, and the movable seat 70 drives the fixed adjusting ring 72 to move down. After the adjusting ring 72 moves down, the cylindrical block 74 is inserted into the positioning hole 73 under the elastic force of the spring 77, and then the position of the adjusting ring 72 is limited and fixed. At this time, the mounting plate 8 swings down to a horizontal state, so that the water quality monitoring sensor 9 fixed on the top is unfolded on both sides of the supporting cylinder 5, which is convenient for monitoring the water quality of the water body.

[0022] Furthermore, the vertical cross-section of the internal threaded barrel 71 is an inverted T-shaped structure, the top end of the internal threaded barrel 71 is coaxially fixedly connected with an anti-slip ring 711, and the supporting connecting rods 78 are symmetrically arranged. Example 3

[0023] Reference Figure 1-4, which is the third embodiment of the present invention. This embodiment is based on the above two embodiments. When in use, the interior of the cylinder 2 is sealed by the sealing cover 1, and the air injected into the annular airbag 3 provides buoyancy for the cylinder 2 to float on the water surface. The control unit 41 controls the overall power operation of the device, the lithium battery 43 provides power energy for the device, the GPS module 44 realizes positioning of the device, and the wireless transceiver module 42 wirelessly transmits the monitoring data of the water quality monitoring sensor 9. During the monitoring work, the mounting plate 8 is manually moved to make the vertical mounting plate 8 swing down, and the mounting plate 8 drives the fixed hinged seat 79 to swing down, and the hinged seat 79 drives the hinged support connecting rod 78 to move, and the support connecting rod 78 drives the hinged movable seat 70 to move down, and the movable seat 70 drives The fixed adjustment ring 72 moves downward. After the adjustment ring 72 moves downward, the cylindrical block 74 is inserted into the positioning hole 73 under the elastic force of the spring 77, thereby limiting and fixing the position of the adjustment ring 72. At this time, the mounting plate 8 swings down to a horizontal state, so that the water quality monitoring sensor 9 fixedly installed at the top is unfolded on both sides of the supporting cylinder 5, which is convenient for monitoring the water quality of the water body. Then the servo motor 11 is energized to work, driving the threaded rod 12 to rotate, and the threaded rod 12 drives the extension component 7 to move in the supporting cylinder 5. The extension component 7 drives the mounting plate 8 to move synchronously, and the mounting plate 8 then drives the fixedly installed water quality monitoring sensor 9 to move synchronously. The water quality monitoring sensor 9 stops after moving to the corresponding monitoring depth, and the water quality is monitored.

[0024] It should be noted that the control unit 41, the wireless transceiver module 42, the lithium battery 43, the GPS module 44, the water quality monitoring sensor 9 (the water quality monitoring sensor 9 may be one or more of a dissolved oxygen sensor, a residual chlorine sensor, a pH sensor, a turbidity sensor, and a conductivity sensor), and the servo motor 11, the specific model specifications need to be selected and determined according to the actual specifications of the device, etc., and the specific selection calculation method adopts the existing technology in the field, so it will not be described in detail.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A water quality monitoring device based on the Internet of Things, comprising a cylinder (2), characterized in that: A threaded ring (4) is coaxially fixedly provided inside the cylinder (2), an annular air bag (3) is fixedly provided between the outer wall of the threaded ring (4) and the inner wall of the cylinder (2), and a sealing cover (1) is connected to the top of the threaded ring (4) via a threaded structure; The bottom end of the cylinder (2) is coaxially fixedly connected to one end of the support cylinder (5); a threaded rod (12) is coaxially rotatably provided inside the support cylinder (5); one end of the threaded rod (12) is fixedly connected to the output shaft of a servo motor (11); the servo motor (11) is fixedly installed inside the cylinder (2); the threaded rod (12) is sleeved with an extension component (7) through a threaded structure; the bottoms of both sides of the extension component (7) are respectively hinged to one end of a mounting plate (8); the mounting plate (8) slides out of the support cylinder (5) through a sliding opening (6); and a water quality monitoring sensor (9) is fixedly installed on the top of the other end of the mounting plate (8); the sliding opening (6) is respectively provided on both sides of the support cylinder (5).

2. The water quality monitoring device based on the Internet of Things according to claim 1 is characterized in that: A counterweight block (10) is coaxially and fixedly mounted on the other end of the support cylinder (5).

3. The water quality monitoring device based on the Internet of Things according to claim 1 is characterized in that: A control unit (41), a wireless transceiver module (42), a lithium battery (43), and a GPS module (44) are fixedly disposed in the threaded ring (4).

4. The water quality monitoring device based on the Internet of Things according to claim 1 is characterized in that: The extension assembly (7) comprises an internal threaded tube (71), an adjustment ring (72), a positioning hole (73), a columnar block (74), a limit plate (75), a slide groove (76), a spring (77), a support connecting rod (78), an articulated seat (79), and a movable seat (70). The internal threaded tube (71) is sleeved with the threaded rod (12) via a threaded structure. The two sides of the bottom of the internal threaded tube (71) are respectively hinged to the end of the mounting plate (8). The internal threaded tube (71) is slidably sleeved on the adjustment ring (72). The bottoms of the two sides of the adjustment ring (72) are respectively fixedly connected to the movable seat (70). The movable seat (70) is respectively hinged to one end of the support connecting rod (78). The other end of the support connecting rod (78) is respectively hinged to the articulated seat (79). The articulated seat (79) is respectively fixedly connected to one side of the top end of the mounting plate (8).

5. The water quality monitoring device based on the Internet of Things according to claim 4 is characterized in that: Positioning holes (73) are respectively provided on both sides of the top of the adjusting ring (72), and one side of the columnar block (74) is slidably engaged in the positioning holes (73), and the other side of the columnar block (74) is slidably sleeved in the slide groove (76), and the other side end of the columnar block (74) is fixedly connected to a limiting plate (75), and the limiting plate (75) is slidably arranged in the slide groove (76), and one end of the limiting plate (75) away from the columnar block (74) is respectively fixedly connected to one end of a spring (77), and the other end of the spring (77) is respectively fixedly connected to the inner wall of the slide groove (76), and the slide groove (76) is provided on both sides of the straight middle part of the internal threaded cylinder (71).

6. The water quality monitoring device based on the Internet of Things according to claim 5 is characterized in that: The vertical cross-section of the internally threaded barrel (71) is an inverted T-shaped structure; the top end of the internally threaded barrel (71) is coaxially fixedly connected with an anti-slip ring (711); and the supporting connecting rods (78) are symmetrically arranged.

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