Outdoor water quality monitoring equipment

Abstract

The invention belongs to the technical field of water quality monitoring, and particularly relates to outdoor water quality monitoring equipment which comprises a main body frame, a detector is mounted at the upper end of the main body frame, a detection probe is arranged below the main body frame, the detection probe is in signal connection with the detector, and a sampling mechanism is arranged below the main body frame; the sampling mechanism comprises a circular plate, a lifting assembly is arranged between the circular plate and the main body frame, a mounting frame is mounted at the bottom of the circular plate, a first motor is mounted in the middle of the mounting frame, a connecting frame is fixed to an output shaft of the first motor, and four uniformly distributed sampling cups are mounted on the connecting frame; the upper end of the sampling cup abuts against the bottom of the circular plate, and a sampling opening matched with the sampling cup is formed in the left side of the circular plate; through the designed sampling mechanism and the lifting assembly, the equipment can automatically sample water bodies at different depths, and the comprehensiveness and accuracy of sampling are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of water quality monitoring, and in particular relates to outdoor water quality monitoring equipment. Background Art

[0002] Water environment refers to the space where water is formed, distributed and transformed in nature. It refers to the space around people and the water bodies that can directly or indirectly affect human life and development, and the overall natural factors and related social factors of its normal function. A good water environment is a gift from the ecological environment and the basic guarantee for people's healthy survival. Therefore, water quality monitoring of the water environment is of great significance.

[0003] When testing water quality, it is necessary to sample water at different depths to obtain complete monitoring data. Most existing equipment can only take a single sample at a certain depth during a single deployment. If multiple groups of water samples are needed, the snorkeling device needs to be deployed multiple times, which is inconvenient to use. For this reason, we propose a layered sampling device for water quality monitoring. Summary of the invention

[0004] The purpose of the present invention is to provide an outdoor water quality monitoring device to solve the problems raised in the background technology.

[0005] In order to achieve the above technical objectives, the technical solution adopted by the present invention is as follows:

[0006] An outdoor water quality monitoring device comprises a main frame, a detector is installed on the upper end of the main frame, a detection probe is arranged below the main frame, the detection probe is connected to the detector signal, and a sampling mechanism is arranged below the main frame;

[0007] The sampling mechanism comprises a circular plate, a lifting assembly is arranged between the circular plate and the main frame, a mounting frame is installed at the bottom of the circular plate, a first motor is installed in the middle of the mounting frame, a connecting frame is fixed to the output shaft of the first motor, four evenly distributed sampling cups are installed on the connecting frame, the upper ends of the sampling cups are in contact with the bottom of the circular plate, and a sampling port matching the sampling cups is opened on the left side of the circular plate;

[0008] The detection probe is located directly above the sampling port, and the detection probe is provided with a lifting and lowering assembly, which includes a cavity opened in the main frame, a winding wheel is rotatably installed in the cavity, a first pull wire is wound around the winding wheel, and the first pull wire is connected to the upper end of the detection probe, a first spring is provided between the detection probe and the main frame, a small gear is fixed to the side wall of the winding wheel, a large gear meshing with the small gear is rotatably installed on the side wall of the cavity, and a rack meshing with the large gear is slidably installed on the lower side of the cavity, a circular groove is opened at the center of the bottom of the main frame, a circular block is rotatably installed in the circular groove, a V-shaped groove corresponding to the four sampling cups is opened on the side wall of the circular block, a push rod extending into the V-shaped groove is fixed to the rack, and a connecting structure is provided between the circular block and the output shaft of the first motor.

[0009] The connection structure includes a rotating shaft fixed to the bottom of the circular block, a spline groove is opened at the bottom of the rotating shaft, and the output shaft of the first motor passes through the circular plate and is connected with a spline matching the spline groove.

[0010] The lifting assembly includes a main frame with a rectangular cavity, a second motor is installed in the rectangular cavity, an output shaft of the second motor is connected to a winding roller, a pull rope is wound around the winding roller, and an end of the pull rope is connected to the circular plate.

[0011] A waterproof shell is installed on the outer side of the first motor.

[0012] A liquid discharge port is provided at the bottom of the sampling cup, a slide groove is provided on one side of the liquid discharge port, a blocking block matching the liquid discharge port is slidably provided in the slide groove, a second spring is provided between the blocking block and the slide groove, a vertical groove is provided on the upper side of the side wall of the sampling cup, an iron block is slidably provided in the vertical groove, and a second pull wire is provided between the iron block and the blocking block;

[0013] An arc-shaped slide rail is installed at the lower side of the main frame and is located at the rear side of the detection probe. A magnetic block matching the position of the iron block is slidably arranged in the arc-shaped slide rail, and a third spring is arranged between the rear side of the magnetic block and the side wall of the arc-shaped slide rail.

[0014] A sleeve is rotatably mounted on the lower side of the main frame and is sleeved on the outside of the detection probe. The lower end of the sleeve abuts against the circular plate, and the sleeve matches the sampling port.

[0015] The main frame is provided with a liquid storage cavity, and the liquid storage cavity is sealed and slidably provided with a piston rod, the lower end of the piston rod is connected to a push plate located above the arc-shaped slide rail, a fourth spring is provided between the upper side of the push plate and the main frame, the bottom of the push plate is processed with an inclined surface, the upper end of the magnetic block is fixed with a push rod that abuts against the inclined surface of the push plate, a liquid storage tank is installed on the upper end of the main frame, the liquid storage tank is connected with the liquid storage cavity through a one-way liquid inlet channel, and the main frame is installed with an annular nozzle located on the inner side of the sleeve, and the annular nozzle is connected with the liquid storage cavity through a one-way liquid outlet channel.

[0016] A cleaning brush is fixed on the inner side of the sleeve, a first gear is fixed on the side wall of the rotating shaft, and a second gear meshing with the first gear is fixed on the side wall of the sleeve.

[0017] The invention adopts a designed sampling mechanism and a lifting component, so that the equipment can automatically sample water bodies at different depths, thereby improving the comprehensiveness and accuracy of the sampling.

[0018] After the sampling is completed, the device can automatically extend the detection probe into the sampling cup for detection, and through the designed connection structure and transmission mechanism, the detection probe can detect samples in different sampling cups in sequence, thereby improving the detection efficiency.

[0019] After each test, the device can automatically rinse the test probe, thereby preventing the sample from the last test from adhering to the surface of the test probe and affecting the test result, thereby ensuring the accuracy of the test result. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention is further illustrated by means of the non-limiting examples given in the accompanying drawings.

[0021] Figure 1 The structure of an outdoor water quality monitoring device according to the present invention is shown in FIG. Figure 1 ;

[0022] Figure 2 The cross-sectional structure of an outdoor water quality monitoring device according to the present invention is shown in FIG. Figure 1 ;

[0023] Figure 3 for Figure 2 A schematic diagram of the structure enlargement at the center A;

[0024] Figure 4 The structure of the sampling mechanism of the present invention is shown in FIG. Figure 1 ;

[0025] Figure 5 The structure of the sampling mechanism of the present invention is shown in FIG. Figure 2 ;

[0026] Figure 6It is a schematic diagram of the cross-sectional structure of the sampling mechanism of the present invention;

[0027] Figure 7 for Figure 6 A schematic diagram of the structure enlarged at B in the middle;

[0028] Figure 8 The cross-sectional structure of an outdoor water quality monitoring device according to the present invention is shown in FIG. Figure 2 ;

[0029] Fig. 9 for Figure 8 A schematic diagram of the structure enlarged at C in the middle;

[0030] Fig.10 The cross-sectional structure of an outdoor water quality monitoring device according to the present invention is shown in FIG. Figure 3 .

[0031] The main component symbols are described as follows:

[0032] Main frame 1, detector 101, detection probe 102, sleeve 103, cleaning brush 104, second gear 105, circular plate 11, mounting frame 12, first motor 13, waterproof shell 131, connecting frame 14, sampling cup 15, sampling port 16, cavity 2, reel 21, first pull wire 22, first spring 23, large gear 24, rack 25, push rod 251, circular groove 26, circular block 27, V-shaped groove 271, rotating shaft 3, first gear Wheel 301, spline groove 31, spline 32, rectangular cavity 4, second motor 41, winding roller 42, pull rope 43, drain port 5, slide groove 51, blocking block 52, second spring 53, vertical groove 54, iron block 55, second pull wire 56, arc slide rail 6, magnetic block 61, third spring 62, liquid storage cavity 63, piston rod 64, push plate 65, fourth spring 651, push rod 66, liquid storage tank 67, annular nozzle 68, support frame 7, buoyancy plate 71. DETAILED DESCRIPTION

[0033] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0034] like Figure 1-10 As shown, an outdoor water quality monitoring device of the present invention comprises a main frame 1, a detector 101 is installed on the upper end of the main frame 1, a detection probe 102 is arranged below the main frame 1, the detection probe 102 is connected to the detector 101 by signal, and a sampling mechanism is arranged below the main frame 1;

[0035] The sampling mechanism includes a circular plate 11, a lifting assembly is provided between the circular plate 11 and the main frame 1, a mounting frame 12 is installed at the bottom of the circular plate 11, a first motor 13 is installed in the middle of the mounting frame 12, a connecting frame 14 is fixed to the output shaft of the first motor 13, and four evenly distributed sampling cups 15 are installed on the connecting frame 14, the upper ends of the sampling cups 15 are abutted against the bottom of the circular plate 11, and a sampling port 16 matching the sampling cups 15 is opened on the left side of the circular plate 11;

[0036] The detection probe 102 is located directly above the sampling port 16. The detection probe 101 is provided with a lifting and lowering assembly, which includes a cavity 2 opened in the main frame 1. A winding wheel 21 is rotatably installed in the cavity 2. The winding wheel 21 is wound with a first pull wire 22, and the first pull wire 22 is connected to the upper end of the detection probe 102. A first spring 23 is provided between the detection probe 102 and the main frame 1. A small gear is fixed to the side wall of the winding wheel 21. A large gear 24 meshing with the small gear is rotatably installed on the side wall of the cavity 2. A rack 25 meshing with the large gear 24 is slidably installed on the lower side of the cavity 2. A circular groove 26 is opened at the center of the bottom of the main frame 1. A circular block 27 is rotatably installed in the circular groove 26. A V-shaped groove 271 corresponding to the four sampling cups 15 is opened on the side wall of the circular block 27. A push rod 251 extending into the V-shaped groove 271 is fixed to the rack 25. A connecting structure is provided between the circular block 27 and the output shaft of the first motor 13.

[0037] The main frame 1 is arranged on the water surface through the external structure. In the initial state, the connecting frame 14 is driven to rotate by the first motor 13, so that the four sampling cups 15 rotate, and the sampling port 16 and the sampling cup 15 are staggered. When sampling the water body, the circular plate 11 is driven to move downward as a whole through the lifting assembly. After the circular plate 11 moves to a certain depth in the water body, the sampling cup 15 is driven to rotate clockwise by the first motor 13. When the opening of one of the sampling cups 15 is aligned with the sampling port 16, the water at this height flows into the sampling cup 15 through the sampling port 16. Then, the first motor 13 drives the sampling cup 15 to rotate again, so that the upper end of the sampling cup 15 leaves the sampling port 16. Since the upper end of the sampling cup 15 abuts against the bottom of the circular plate 11, the external water cannot flow into the sampling cup 15. Therefore, when the circular plate 11 moves as a whole to different depths of the water body, the above operation is repeated, and the water bodies at different depths can be sampled.

[0038] After the sampling is completed, the circular plate 11 is driven to move upward as a whole through the lifting assembly. After the circular plate 11 is moved upward and out of the water body as a whole, the sampling cup 15 is driven to rotate by the first motor 13, so that one of the sampling cups 15 is aligned with the sampling port 16 and continues to move upward until the output shaft of the first motor 13 is connected to the circular block 27 through the connecting structure. At this time, the detection probe 102 is inserted into the sampling cup 15, and the detector 101 is started. The sample is detected by the detection probe 102. After the sample in the sampling cup 15 is detected, the first motor 13 is started to drive the sampling cup 15 to rotate. During the rotation process, the circular block 27 is driven to rotate synchronously through the connecting structure, that is, the V-shaped groove 271 rotates, pushing the push rod 251 located in the V-shaped groove 271 to move, thereby driving the rack 25 to move, and the meshing of the large gear 24 and the small gear causes the winding wheel 2 1 rotates, and the first pull wire 22 is wound up, which can pull the detection probe 102 to move upward and leave the sampling cup 15, so that the push rod 251 will abut against the side wall of the circular block 27 until the next sampling cup 15 moves to the bottom of the sampling port 16, at which time the corresponding V-shaped groove 271 will be aligned with the push rod 251, and under the push of the first spring 23, the detection probe 102 will move downward and extend into the sampling cup 15, and the push rod 251 will also extend into the V-shaped groove 271. With this design, when the detection probe 102 detects samples in different sampling cups 15, the sampling cup 15 rotates at the beginning, which can make the detection probe 102 move upward and leave the sampling cup 15. When another sampling cup 15 moves to the sampling port 16, the detection probe 102 will move downward and extend into the sampling cup 15, so as to detect samples of different depths in sequence;

[0039] The effect of monitoring water bodies can be achieved by regularly sampling and testing water bodies.

[0040] The connection structure includes a rotating shaft 3 fixed at the bottom of the circular block 27, a spline groove 31 is opened at the bottom of the rotating shaft 3, and the output shaft of the first motor 13 passes through the circular plate 11 and is connected with a spline 32 matching the spline groove 31;

[0041] The spline 32 connected to the output shaft of the first motor 13 extends into the spline groove 31 at the bottom of the rotating shaft 3, so that the circular block 27 can be connected to the first motor 13. When the first motor 13 drives the sampling cup 15 to rotate, it can drive the circular block 27 to rotate synchronously.

[0042] The lifting component includes a main frame 1 with a rectangular cavity 4, in which a second motor 41 is installed, and the output shaft of the second motor 41 is connected to a winding roller 42, and the winding roller 42 is wrapped with a pull rope 43, and the end of the pull rope 43 is connected to the circular plate 11; the winding roller 42 is controlled to rotate by the second motor 42 to achieve the winding or unwinding of the pull rope 43, so that the circular plate 11 can be lifted and lowered, and the structure is simple.

[0043] A waterproof shell 131 is installed outside the first motor 13 ; the waterproof shell 131 protects the first motor 13 and increases the service life of the first motor 13 .

[0044] A liquid discharge port 5 is provided at the bottom of the sampling cup 15, a chute 51 is provided on one side of the liquid discharge port 5, a blocking block 52 matching the liquid discharge port 5 is slidably provided in the chute 51, a second spring 53 is provided between the blocking block 52 and the chute 51, a vertical groove 54 is provided on the upper side of the side wall of the sampling cup 15, an iron block 55 is slidably provided in the vertical groove 54, and a second pull wire 56 is provided between the iron block 55 and the blocking block 52;

[0045] The lower side of the main frame 1 is provided with an arc-shaped slide rail 6 located at the rear side of the detection probe 102, and a magnetic block 61 matching the position of the iron block 55 is slidably arranged in the arc-shaped slide rail 6, and a third spring 62 is arranged between the rear side of the magnetic block 61 and the side wall of the arc-shaped slide rail 6;

[0046] A sleeve 103 is rotatably mounted on the lower side of the main frame 1 and is sleeved on the outer side of the detection probe 102. The lower end of the sleeve 103 abuts against the circular plate 11, and the sleeve 103 matches the sampling port 16.

[0047] The main frame 1 is provided with a liquid storage chamber 63, and the liquid storage chamber 63 is provided with a piston rod 64 in a sealed sliding manner. The lower end of the piston rod 64 is connected to a push plate 65 located above the arc-shaped slide rail 6, and a fourth spring 651 is provided between the upper side of the push plate 65 and the main frame 1. The bottom of the push plate 65 is processed with an inclined surface, and a push rod 66 that abuts against the inclined surface of the push plate 65 is fixed on the upper end of the magnetic block 61. A liquid storage tank 67 is installed on the upper end of the main frame 1, and the liquid storage tank 67 is connected to the liquid storage chamber 63 through a one-way liquid inlet channel. The main frame 1 is provided with an annular nozzle 68 located on the inner side of the sleeve 103, and the annular nozzle 68 is connected to the liquid storage chamber 63 through a one-way liquid outlet channel;

[0048] In the initial state, the elastic force of the second spring 53 pushes the blocking block 52 to block the drain port 5. When the circular plate 11 is located in the sampling water body, the iron block 55 in the sampling cup 15 is away from the magnetic block 61, and the drain port 5 is always in a closed state, so the sampling cup 15 can sample normally.

[0049] The liquid storage tank 67 stores clean water. After the detection probe 102 detects the sample in a sampling cup 15, the first motor 13 drives the sampling cup 15 to rotate clockwise. When the sampling cup 15 is completely away from the sampling port 16, the iron block 55 in the sampling cup 15 is aligned with the magnetic block 61. The magnetic force of the magnetic block 61 attracts the iron block 55 upward and drives the iron block 55 to move to the upper end of the vertical groove 54. Then, the blocking block 52 is pulled by the second pull wire 56 to open the drain port 5, so that the sampling cup 15 is completely away from the sampling port 16. The sample in the sample cup 15 will flow out through the discharge port 5, and the sample cup 15 will continue to move. The iron block 55 will drive the magnetic block 61 to move synchronously, and the magnetic block 61 will slide in the arc-shaped slide rail 6. The push rod 66 connected to the upper end of the magnetic block 61 will push the push plate 65 to move upward, and the piston rod 64 will move upward to push the clean water in the liquid storage chamber 63 into the annular nozzle 68 through the one-way liquid outlet channel, and finally spray out from the multiple nozzles of the annular nozzle 68 to rinse the detection probe 102;

[0050] After the magnetic block 61 compresses the third spring 62 to the limit, the sampling cup 15 continues to rotate, and the iron block 55 will be separated from the magnetic block 61, and the elastic force of the second spring 53 will push the blocking block 52 to re-block the discharge port 5, and at the same time, the elastic force of the third spring 62 will push the magnetic block 61 to reset, and the elastic force of the fourth spring 651 will push the push plate 65 to move downward to reset, then the piston rod 64 moves downward to draw the clean water inside the liquid storage tank 67 into the liquid storage chamber 63 through the one-way liquid inlet channel, and when the next sampling cup 15 moves to the bottom of the sampling port 16, the sample in the sampling cup 15 is tested, and this cycle is repeated. After each sample test by the detection probe 102, the detection probe 102 can be automatically rinsed by the rotation of the sampling cup 15 to avoid the detection probe 102 surface being attached to the sample tested last time and affecting the detection result, so that the detection result is more accurate;

[0051] The sleeve 103 matches the sampling port 16, so that the clean water used to wash the detection probe 102 can flow downward through the sampling port 16, thereby avoiding water splashing;

[0052] A cleaning brush 104 is fixed inside the sleeve 103, a first gear 301 is fixed to the side wall of the rotating shaft 3, and a second gear 105 meshing with the first gear 301 is fixed to the side wall of the sleeve 103;

[0053] When the rotating shaft 3 rotates, it can roll through the first gear 301 to drive the second gear 105 to rotate, and then drive the sleeve 103 to rotate. This design can use the cleaning brush 104 to contact the detection probe 102 to improve the cleaning effect of the detection probe 102.

[0054] A support frame 7 is installed at the lower side of the main frame 1, and a buoyancy plate 71 is provided at the bottom of the support frame 7; the main frame 1 is supported by the buoyancy plate 71 and can be kept on the water surface, which is convenient for monitoring the water body.

[0055] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. An outdoor water quality monitoring device, comprising a main frame, a detector is installed on the upper end of the main frame, a detection probe is provided below the main frame, and the detection probe is connected to the detector signal, characterized in that: A sampling mechanism is provided below the main frame; The sampling mechanism comprises a circular plate, a lifting assembly is arranged between the circular plate and the main frame, a mounting frame is installed at the bottom of the circular plate, a first motor is installed in the middle of the mounting frame, a connecting frame is fixed to the output shaft of the first motor, four evenly distributed sampling cups are installed on the connecting frame, the upper ends of the sampling cups are in contact with the bottom of the circular plate, and a sampling port matching the sampling cups is opened on the left side of the circular plate; The detection probe is located directly above the sampling port, and the detection probe is provided with a lifting and lowering assembly, which includes a cavity opened in the main frame, a winding wheel is rotatably installed in the cavity, a first pull wire is wound around the winding wheel, and the first pull wire is connected to the upper end of the detection probe, a first spring is provided between the detection probe and the main frame, a small gear is fixed to the side wall of the winding wheel, a large gear meshing with the small gear is rotatably installed on the side wall of the cavity, and a rack meshing with the large gear is slidably installed on the lower side of the cavity, a circular groove is opened at the center of the bottom of the main frame, a circular block is rotatably installed in the circular groove, a V-shaped groove corresponding to the four sampling cups is opened on the side wall of the circular block, a push rod extending into the V-shaped groove is fixed to the rack, and a connecting structure is provided between the circular block and the output shaft of the first motor.

2. An outdoor water quality monitoring device according to claim 1, characterized in that: The connection structure includes a rotating shaft fixed to the bottom of the circular block, a spline groove is opened at the bottom of the rotating shaft, and the output shaft of the first motor passes through the circular plate and is connected with a spline matching the spline groove.

3. The outdoor water quality monitoring device according to claim 1, characterized in that: The lifting assembly includes a main frame with a rectangular cavity, a second motor is installed in the rectangular cavity, an output shaft of the second motor is connected to a winding roller, a pull rope is wound around the winding roller, and an end of the pull rope is connected to the circular plate.

4. The outdoor water quality monitoring device according to claim 1, characterized in that: A waterproof shell is installed on the outer side of the first motor.

5. The outdoor water quality monitoring device according to claim 2, characterized in that: A liquid discharge port is provided at the bottom of the sampling cup, a slide groove is provided on one side of the liquid discharge port, a blocking block matching the liquid discharge port is slidably provided in the slide groove, a second spring is provided between the blocking block and the slide groove, a vertical groove is provided on the upper side of the side wall of the sampling cup, an iron block is slidably provided in the vertical groove, and a second pull wire is provided between the iron block and the blocking block; An arc-shaped slide rail is installed at the lower side of the main frame and is located at the rear side of the detection probe. A magnetic block matching the position of the iron block is slidably arranged in the arc-shaped slide rail, and a third spring is arranged between the rear side of the magnetic block and the side wall of the arc-shaped slide rail.

6. An outdoor water quality monitoring device according to claim 5, characterized in that: A sleeve is rotatably mounted on the lower side of the main frame and is sleeved on the outside of the detection probe. The lower end of the sleeve abuts against the circular plate, and the sleeve matches the sampling port. The main frame is provided with a liquid storage cavity, and the liquid storage cavity is sealed and slidably provided with a piston rod, the lower end of the piston rod is connected to a push plate located above the arc-shaped slide rail, a fourth spring is provided between the upper side of the push plate and the main frame, the bottom of the push plate is processed with an inclined surface, the upper end of the magnetic block is fixed with a push rod that abuts against the inclined surface of the push plate, a liquid storage tank is installed on the upper end of the main frame, the liquid storage tank is connected with the liquid storage cavity through a one-way liquid inlet channel, and the main frame is installed with an annular nozzle located on the inner side of the sleeve, and the annular nozzle is connected with the liquid storage cavity through a one-way liquid outlet channel.

7. An outdoor water quality monitoring device according to claim 6, characterized in that: A cleaning brush is fixed on the inner side of the sleeve, a first gear is fixed on the side wall of the rotating shaft, and a second gear meshing with the first gear is fixed on the side wall of the sleeve.

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