Detection device for detecting environmental water quality
Technical Field
The invention relates to the technical field of water quality detection, in particular to a detection device for detecting environmental water quality.
Background
People can not break water in life and production activities, the quality of drinking water is closely related to human health, along with the development of social economy, scientific progress and improvement of the living standard of the people, the requirements of people on the quality of drinking water are continuously improved, the standard of the quality of drinking water is correspondingly continuously developed and perfected, and meanwhile, the water can not break for the growth and irrigation of crops, so that the water in different places needs to be detected, most of the prior art manually ties the rope in the bucket to take water, so that the time is wasted, and meanwhile, the manual operation needs to pull, arrange the rope and other preparation works, so that the labor force is increased, and the water sample is easily damaged in the water taking process, so that the detection data is influenced.
Disclosure of Invention
The invention aims to provide a detection device for detecting the environmental water quality, which solves the problem that most of the prior art proposes the prior art that water is taken by tying a rope in a water bucket manually, so that time is wasted.
In order to achieve the purpose, the invention provides the following technical scheme: a detection device for detecting environmental water quality comprises a first transverse plate and a first vertical plate, wherein the first vertical plate is fixedly connected to the middle of the upper portion of the first transverse plate, and a rotating device is installed on the left side of the first transverse plate;
the rotating device comprises a second vertical plate, a roller, a first water pipe, a second transverse plate and a connector;
control the lower surface of second riser links to each other with the last fixed surface of first diaphragm, controls the roller is installed to the inboard of second riser, the roller department outer wall of roller passes through the bearing and links to each other with the second riser rotation, the outer wall of roller is around being connected with first water pipe, the top rigid coupling of first water pipe has the connector, the connector is linked together with first water pipe, the right side the left side top rigid coupling of second riser has the second diaphragm, the opening has been seted up to the centre of second diaphragm, the opening part inner wall of second diaphragm and the outer wall clearance fit of first water pipe.
Preferably, the left and right second risers are perpendicular to each other.
Preferably, a power device is arranged in the middle above the first transverse plate;
the power device comprises a third vertical plate, a motor, a gear, a threaded rod, a third transverse plate, a water pump, an inclined plate and a water tank;
the lower surface of the third vertical plate is fixedly connected with the upper surface of the first transverse plate, a motor is fixedly connected with the lower inside of the third vertical plate, a gear is rotatably connected above the front end surface of the third vertical plate through a rotating shaft, an output shaft of the motor is rotatably connected with the rotating shaft of the gear through a belt, a threaded rod is mounted below the gear, the threaded rod is meshed with the gear, the left side of the threaded rod is fixedly connected with the right side roller shaft of the roller, the right side outer wall of the threaded rod is rotatably connected with the first vertical plate through a bearing, a third transverse plate is arranged above the third vertical plate, the right side of the third transverse plate is fixedly connected with the first vertical plate, a water pump is fixedly connected inside the third transverse plate, the water suction pipe of the water pump is fixedly connected with a connector, the water suction pipe of the water pump is communicated with the connector, and the right side of the, the left side of swash plate links to each other with the riser is fixed, the lower surface rigid coupling of swash plate has the water tank, a plurality of openings have been seted up to the below of water tank, the outer wall of riser and water tank is run through respectively to the outlet pipe department outer wall of water pump, the inside interference fit of the outlet pipe department outer wall and riser and water tank of water pump.
Preferably, the third transverse plate and the first vertical plate are perpendicular to each other.
Preferably, the meshing ratio of the gear to the threaded rod is 1: 1.
preferably, a collecting device is arranged below the water tank;
the collecting device comprises a T-shaped block, a second water pipe, a third water pipe, a bucket, a faucet, a fourth transverse plate, a workbench and a beaker;
the upper surfaces of the left and right T-shaped blocks are fixedly connected with the lower surface of the water tank, a second water pipe is fixedly connected inside the T-shaped block, the middle of the upper part of the second water pipe is fixedly connected with the outer wall of the opening of the water tank, the second water pipe is communicated with the water tank, the lower surface of the second water pipe is fixedly connected with a plurality of third water pipes, the left and right third water pipes are communicated with the second water pipe, the front end surfaces of the left and right third water pipes are provided with valves, the lower part of the left third water pipe is fixedly connected with a bucket, the bucket is communicated with a third water pipe on the left side, a water faucet is arranged below the right side of the bucket, a fourth transverse plate is fixedly connected to the lower surface of the bucket, the left side of the fourth transverse plate is fixedly connected with the first vertical plate, the lower side of the fourth transverse plate is provided with a workbench, the lower surface of the workbench is fixedly connected with the upper surface of the first transverse plate, and a beaker is placed on the upper surface of the workbench.
Preferably, the left and right T-shaped blocks are symmetrically distributed by taking the midpoint of the second water pipe as the center.
Preferably, the width dimension of the fourth cross plate is greater than that of the water tub.
A detection method specifically comprises the following steps:
s1, firstly, an operator moves the device to a position where sampling is needed, an external power supply of the motor and the water pump is switched on, the motor is started, the gear is driven to rotate by an output shaft of the motor, the gear drives the threaded rod to rotate, the threaded rod drives the roller to rotate, and the first water pipe is lengthened by the roller.
And S2, when the first water pipe enters water, the motor is turned off, the water pump is started, the water suction pipe of the water pump sucks water through the first water pipe, and the water is discharged into the water tank through the water outlet pipe of the water pump.
S3, a valve on the third water pipe on the left side is screwed, water in the water tank enters the third water pipe on the left side through the second water pipe, the water is discharged into the water barrel through the third water pipe on the left side, the opening of the beaker is aligned to the water flow port of the water faucet, the water in the water barrel is controlled to be discharged into the beaker through the water faucet, and therefore the water in the beaker is detected.
Compared with the prior art, the invention has the beneficial effects that:
according to the detection device for detecting the environmental water quality, water can be quickly taken through the device through mutual matching of the structures such as the water pump, the water tank, the first water pipe and the connecting head, so that the time is saved, and the working efficiency is improved;
according to the detection device for detecting the environmental water quality, the first water pipe can be automatically collected and released through the mutual matching of the structures such as the motor, the threaded rod, the gear, the third vertical plate, the roller and the first water pipe, so that the labor force is saved;
according to the detection device for detecting the environmental water quality, the water bucket, the water tank, the first water pipe and the second water pipe are matched with one another, so that a water sample can be prevented from being damaged, and a detection result is more accurate;
according to the detection device for detecting the environmental water quality, through the mutual matching of the structures such as the workbench, the beaker, the bucket, the faucet and the third water pipe, a detection sample can be rapidly collected, so that the detection efficiency is improved;
according to the detection device for detecting the environmental water quality, the gear is driven to rotate through the output shaft of the motor, the gear drives the threaded rod to rotate, the threaded rod drives the roller to rotate, the roller lengthens the first water pipe, the motor is turned off when the first water pipe enters water, the water pump is started, the water suction pipe of the water pump sucks water through the first water pipe, and the water is discharged into the water tank through the water outlet pipe of the water pump, so that the purpose of rapid sampling is achieved;
according to the detection device for detecting the environmental water quality, the valve on the third water pipe on the left side is screwed, water in the water tank enters the third water pipe on the left side through the second water pipe, the water is discharged into the water barrel through the third water pipe on the left side, the opening of the beaker is aligned to the water flow port of the water faucet, the water in the water barrel is controlled to be discharged into the beaker through the water faucet, and therefore the water in the beaker is detected, and the purpose of guaranteeing the accuracy of detection data is achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the connection head, the water pump and a third cross plate in FIG. 1;
FIG. 3 is a schematic view of the gear, threaded rod and motor of FIG. 1;
FIG. 4 is a schematic structural view of the first vertical plate, the water tank and the inclined plate in FIG. 1;
FIG. 5 is a schematic structural view of the T-shaped block, the second water pipe and the third water pipe in FIG. 1;
fig. 6 is a schematic structural view of the water tub, the faucet and the fourth cross plate of fig. 1.
In the figure: 1. the automatic water supply device comprises a first transverse plate, 2, a first vertical plate, 3, a rotating device, 301, a second vertical plate, 302, a roller, 303, a first water pipe, 304, a second transverse plate, 305, a connector, 4, a power device, 401, a third vertical plate, 402, a motor, 403, a gear, 404, a threaded rod, 405, a third transverse plate, 406, a water pump, 407, an inclined plate, 408, a water tank, 5, a collecting device, 501, a T-shaped block, 502, a second water pipe, 503, a third water pipe, 504, a water bucket, 505, a water tap, 506, a fourth transverse plate, 507, a workbench, 508 and a beaker.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution:
example 1
A detection device for detecting environmental water quality comprises a first transverse plate 1 and a first vertical plate 2, the first vertical plate 2 is fixedly connected with the middle of the upper portion of the first transverse plate 1, a rotating device 3 is installed on the left side of the first transverse plate 1, the rotating device 3 comprises a second vertical plate 301, rollers 302, a first water pipe 303, a second transverse plate 304 and a connector 305, the lower surfaces of the left and right second vertical plates 301 are fixedly connected with the upper surface of the first transverse plate 1, rollers 302 are installed on the inner sides of the left and right second vertical plates 301, the outer wall of the roller shaft of each roller 302 is rotatably connected with the corresponding second vertical plate 301 through a bearing, the roller shaft of each roller 302 can rotate at the corresponding second vertical plate 301 through a bearing, the outer wall of each roller 302 is connected with the corresponding first water pipe 303 in a winding manner, each roller 302 can receive and release the corresponding first water pipe 303, the connector 305 is fixedly connected with the upper portion of the corresponding first water pipe 303, the connector 305 is communicated with the corresponding first water pipe 303, the left side top rigid coupling of right side second riser 301 has second diaphragm 304, and the opening has been seted up to the centre of second diaphragm 304, and the opening part inner wall of second diaphragm 304 and the outer wall clearance fit of first water pipe 303, second diaphragm 304 can play limiting displacement to first water pipe 303, controls second riser 301 mutually perpendicular.
Example 2
A detection device for detecting environmental water quality comprises a first transverse plate 1 and a first vertical plate 2, the first vertical plate 2 is fixedly connected with the middle of the upper portion of the first transverse plate 1, a rotating device 3 is installed on the left side of the first transverse plate 1, the rotating device 3 comprises a second vertical plate 301, rollers 302, a first water pipe 303, a second transverse plate 304 and a connector 305, the lower surfaces of the left and right second vertical plates 301 are fixedly connected with the upper surface of the first transverse plate 1, rollers 302 are installed on the inner sides of the left and right second vertical plates 301, the outer wall of the roller shaft of each roller 302 is rotatably connected with the corresponding second vertical plate 301 through a bearing, the roller shaft of each roller 302 can rotate at the corresponding second vertical plate 301 through a bearing, the outer wall of each roller 302 is connected with the corresponding first water pipe 303 in a winding manner, each roller 302 can receive and release the corresponding first water pipe 303, the connector 305 is fixedly connected with the upper portion of the corresponding first water pipe 303, the connector 305 is communicated with the corresponding first water pipe 303, a second transverse plate 304 is fixedly connected to the upper left side of a right second vertical plate 301, an opening is formed in the middle of the second transverse plate 304, the inner wall of the opening of the second transverse plate 304 is in clearance fit with the outer wall of the first water pipe 303, the second transverse plate 304 can limit the first water pipe 303, the left and right second vertical plates 301 are perpendicular to each other, a power device 4 is installed in the middle of the upper portion of the first transverse plate 1, the power device 4 comprises a third vertical plate 401, a motor 402, a gear 403, a threaded rod 404, a third transverse plate 405, a water pump 406, an inclined plate 407 and a water tank 408, the lower surface of the third vertical plate 401 is fixedly connected with the upper surface of the first transverse plate 1, the motor 402 is fixedly connected to the lower portion of the inner portion of the third vertical plate 401, the type of the motor 402 is ECMA-E11320, the gear 403 is rotatably connected to the upper portion of the front end face of the third vertical plate 401 through a rotating shaft, the gear 403 can rotate at the position of the third, an output shaft of the motor 402 can drive the gear 403 to rotate through a belt, a threaded rod 404 is installed below the gear 403, the threaded rod 404 and the gear 403 are meshed with each other, the gear 403 can drive the threaded rod 404 to rotate, the left side of the threaded rod 404 is fixedly connected with a right side roller shaft of the roller 302, the roller 302 can be driven to rotate through the threaded rod 404, the right side outer wall of the threaded rod 404 is rotatably connected with a first vertical plate 2 through a bearing, the right side outer wall of the threaded rod 404 can rotate at the first vertical plate 2 through the bearing, a third transverse plate 405 is arranged above the third vertical plate 401, the right side of the third transverse plate 405 is fixedly connected with the first vertical plate 2, a water pump 406 is fixedly connected inside the third transverse plate 405, the type of the water pump 406 is 0510A, a water suction pipe of the water pump 406 is fixedly connected with a connector 305, the water suction pipe of the water pump 406 is communicated with the connector 305, the water pump 406 can, the right side of water pump 406 is equipped with swash plate 407, swash plate 407's left side and 2 fixed links to each other of riser, swash plate 407's lower surface rigid coupling has water tank 408, 2 openings have been seted up to water tank 408's below, water pump 406's outlet pipe department outer wall runs through the outer wall of 2 risers and water tank 408 respectively, water pump 406's outlet pipe department outer wall and 2 riser and 408's inside interference fit, water pump 406's outlet pipe department can be gone into water in the water tank 408, third diaphragm 405 and 2 mutually perpendicular of riser, gear 403 is 1 with the mesh ratio of threaded rod 404: 1.
example 3
A detection device for detecting environmental water quality comprises a first transverse plate 1 and a first vertical plate 2, the first vertical plate 2 is fixedly connected with the middle of the upper portion of the first transverse plate 1, a rotating device 3 is installed on the left side of the first transverse plate 1, the rotating device 3 comprises a second vertical plate 301, rollers 302, a first water pipe 303, a second transverse plate 304 and a connector 305, the lower surfaces of the left and right second vertical plates 301 are fixedly connected with the upper surface of the first transverse plate 1, rollers 302 are installed on the inner sides of the left and right second vertical plates 301, the outer wall of the roller shaft of each roller 302 is rotatably connected with the corresponding second vertical plate 301 through a bearing, the roller shaft of each roller 302 can rotate at the corresponding second vertical plate 301 through a bearing, the outer wall of each roller 302 is connected with the corresponding first water pipe 303 in a winding manner, each roller 302 can receive and release the corresponding first water pipe 303, the connector 305 is fixedly connected with the upper portion of the corresponding first water pipe 303, the connector 305 is communicated with the corresponding first water pipe 303, a second transverse plate 304 is fixedly connected to the upper portion of the left side of the right second vertical plate 301, an opening is formed in the middle of the second transverse plate 304, the inner wall of the opening of the second transverse plate 304 is in clearance fit with the outer wall of the first water pipe 303, the second transverse plate 304 can limit the first water pipe 303, the left and right second vertical plates 301 are perpendicular to each other, a collecting device 5 is installed below the water tank 408, the collecting device 5 comprises a T-shaped block 501, a second water pipe 502, a third water pipe 503, a water bucket 504, a water tap 505, a fourth transverse plate 506, a workbench 507 and a beaker 508, the upper surfaces of the left and right T-shaped blocks 501 are fixedly connected with the lower surface of the water tank 408, the second water pipe 502 is fixedly connected inside the T-shaped block 501, the middle portion of the upper portion of the second water pipe 502 is fixedly connected with the outer wall of the opening of the water tank 408, the second water pipe 502 is communicated with the water tank 408, water in the water tank 408 can enter the second water pipe 502 through the, the left and right third water pipes 503 are connected with the second water pipe 502, the water in the second water pipe 502 can enter the third water pipe 503, the front end surfaces of the left and right third water pipes 503 are provided with valves, the third water pipe 503 can be opened and closed through the valves, the water in the water tank 408 can be discharged through the right third water pipe 503, the lower part of the left third water pipe 503 is fixedly connected with a water bucket 504, the water bucket 504 is communicated with the left third water pipe 503, the water in the left third water pipe 503 can enter the water bucket 504, the right lower part of the water bucket 504 is provided with a water tap 505, the water in the water bucket 504 can be discharged through the water tap 505, the lower surface of the water bucket 504 is fixedly connected with a fourth horizontal plate 506, the left side of the fourth horizontal plate 506 is fixedly connected with the first vertical plate 2, the lower part of the fourth horizontal plate 506 is provided with a workbench 507, the lower surface of the workbench 507 is fixedly connected with the upper surface of the first horizontal plate 1, the upper surface of the workbench 507, the left and right T-shaped blocks 501 are symmetrically distributed with the midpoint of the second water pipe 502 as the center, and the width of the fourth horizontal plate 506 is larger than that of the water bucket 504, so that the water in the water bucket 504 can be contained in the beaker 508 for detection.
Example 4
A detection device for detecting environmental water quality comprises a first transverse plate 1 and a first vertical plate 2, the first vertical plate 2 is fixedly connected with the middle of the upper portion of the first transverse plate 1, a rotating device 3 is installed on the left side of the first transverse plate 1, the rotating device 3 comprises a second vertical plate 301, rollers 302, a first water pipe 303, a second transverse plate 304 and a connector 305, the lower surfaces of the left and right second vertical plates 301 are fixedly connected with the upper surface of the first transverse plate 1, rollers 302 are installed on the inner sides of the left and right second vertical plates 301, the outer wall of the roller shaft of each roller 302 is rotatably connected with the corresponding second vertical plate 301 through a bearing, the roller shaft of each roller 302 can rotate at the corresponding second vertical plate 301 through a bearing, the outer wall of each roller 302 is connected with the corresponding first water pipe 303 in a winding manner, each roller 302 can receive and release the corresponding first water pipe 303, the connector 305 is fixedly connected with the upper portion of the corresponding first water pipe 303, the connector 305 is communicated with the corresponding first water pipe 303, a second transverse plate 304 is fixedly connected above the left side of the right second vertical plate 301, an opening is arranged in the middle of the second transverse plate 304, the inner wall of the opening of the second transverse plate 304 is in clearance fit with the outer wall of the first water pipe 303, the second transverse plate 304 can limit the first water pipe 303, the left and right second vertical plates 301 are mutually vertical, a connecting head 305 is fixedly connected above the first water pipe 303, the connecting head 305 is communicated with the first water pipe 303, water in the first water pipe 303 can enter the water suction pipe of the water pump 406 through the connecting head 305, the second transverse plate 304 is fixedly connected above the left side of the right second vertical plate 301, an opening is arranged in the middle of the second transverse plate 304, the inner wall of the opening of the second transverse plate 304 is in clearance fit with the outer wall of the first water pipe 303, the second transverse plate 304 can limit the first water pipe 303, the left and right second vertical plates 301 are mutually vertical, and a power device 4 is arranged in the middle of the, the power device 4 comprises a third vertical plate 401, a motor 402, a gear 403, a threaded rod 404, a third transverse plate 405, a water pump 406, an inclined plate 407 and a water tank 408, the lower surface of the third vertical plate 401 is fixedly connected with the upper surface of the first transverse plate 1, the motor 402 is fixedly connected with the inner lower part of the third vertical plate 401, the motor 402 is of an ECMA-E11320RDS model, the gear 403 is rotatably connected with the upper part of the front end surface of the third vertical plate 401 through a rotating shaft, the gear 403 can rotate at the third vertical plate 401 through the rotating shaft, the output shaft of the motor 402 is rotatably connected with the rotating shaft of the gear 403 through a belt, the output shaft of the motor 402 can drive the gear 403 to rotate through the belt, the threaded rod 404 is mounted below the gear, the threaded rod 404 is meshed with the gear 403, the gear 403 can drive the threaded rod 404 to rotate, the left side of the threaded rod 404 is fixedly connected with the right roller shaft of, the right outer wall of the threaded rod 404 is rotatably connected with a first vertical plate 2 through a bearing, the right outer wall of the threaded rod 404 can rotate at the first vertical plate 2 through the bearing, a third transverse plate 405 is arranged above the third vertical plate 401, the right side of the third transverse plate 405 is fixedly connected with the first vertical plate 2, a water pump 406 is fixedly connected inside the third transverse plate 405, the model of the water pump 406 is 0510A, a water suction pipe of the water pump 406 is fixedly connected with a connector 305, the water suction pipe of the water pump 406 is communicated with the connector 305, the water pump 406 can suck water in the first water pipe 303 through the water suction pipe, the right side of the water pump 406 is provided with a sloping plate 407, the left side of the water pump 407 is fixedly connected with the first vertical plate 2, the lower surface of the sloping plate 407 is fixedly connected with a water tank 408, 2 openings are arranged below the water tank 408, the outer wall of a water outlet pipe of the water pump 406 respectively penetrates through the outer walls of the first vertical plate 2 and the water tank 408, the water outlet pipe of the water pump 406 can discharge water into the water tank 408, the third transverse plate 405 is perpendicular to the first vertical plate 2, and the meshing ratio of the gear 403 to the threaded rod 404 is 1: 1, a connecting head 305 is fixedly connected above a first water pipe 303, the connecting head 305 is communicated with the first water pipe 303, water in the first water pipe 303 can enter a water suction pipe of a water pump 406 through the connecting head 305, a second transverse plate 304 is fixedly connected above the left side of a right second vertical plate 301, an opening is formed in the middle of the second transverse plate 304, the inner wall of the opening of the second transverse plate 304 is in clearance fit with the outer wall of the first water pipe 303, the second transverse plate 304 can limit the first water pipe 303, the left and right second vertical plates 301 are mutually vertical, a collecting device 5 is arranged below a water tank 408, the collecting device 5 comprises a T-shaped block 501, a second water pipe 502, a third water pipe 503, a water bucket 504, a water faucet 505, a fourth transverse plate 506, a workbench 507 and a beaker 508, the upper surfaces of the left and right T-shaped blocks 501 are fixedly connected with the lower surface of the water tank 408, a second water pipe 502 is fixedly connected inside the T-shaped block 501, the middle of the opening of the second water pipe 502 is, the second water pipe 502 is communicated with the water tank 408, water in the water tank 408 can enter the second water pipe 502 through an opening, the lower surface of the second water pipe 502 is fixedly connected with 2 third water pipes 503, the left and right third water pipes 503 are communicated with the second water pipe 502, water in the second water pipe 502 can enter the third water pipes 503, the front end surfaces of the left and right third water pipes 503 are provided with valves through which the third water pipes 503 can be opened and closed, water in the water tank 408 can be discharged through the right third water pipe 503, the lower part of the left third water pipe 503 is fixedly connected with the water bucket 504, the water bucket 504 is communicated with the left third water pipe 503, water in the left third water pipe 503 can enter the water bucket 504, the right lower part of the water bucket 504 is provided with a water tap 505, water in the water bucket 504 can be discharged through the water tap 505, the lower surface of the water bucket 504 is fixedly connected with a fourth horizontal plate 506, the left side of the fourth horizontal plate 506 is fixedly connected with the first vertical plate 2, a workbench 507 is arranged below the fourth transverse plate 506, the lower surface of the workbench 507 is fixedly connected with the upper surface of the first transverse plate 1, a beaker 508 is arranged on the upper surface of the workbench 507, water in the water bucket 504 can be contained through the beaker 508 for detection, the left and right T-shaped blocks 501 are symmetrically distributed by taking the midpoint of the second water pipe 502 as the center, the width size of the fourth transverse plate 506 is larger than that of the water bucket 504, when an operator needs to use the detection device for detecting the environmental water quality, the operator firstly moves the device to a position where sampling is needed, the external power supplies of the motor 402 and the water pump 406 are switched on, the motor 402 is started, the gear 403 is driven to rotate by the output shaft of the motor 402, the gear 403 drives the threaded rod 404 to rotate, the threaded rod 404 drives the roller 302 to rotate, the roller 302 lengthens the first water pipe 303, the motor 402 is switched off when the first water pipe 303 enters the water, the water pump 406 is started, water is sucked from the water suction pipe of the water pump 406 through the first water pipe 303, water is discharged into the water tank 408 through the water outlet pipe of the water pump 406, the purpose of rapid sampling is achieved, the valve on the left third water pipe 503 is screwed, water in the water tank 408 enters the left third water pipe 503 through the second water pipe 502, water is discharged into the water barrel 504 through the left third water pipe 503, the opening of the beaker 508 is aligned with the water outlet of the water faucet 505, water in the water barrel 504 is controlled to be discharged into the beaker 508 through the water faucet 505, water in the beaker 508 is detected, and the purpose of ensuring the accuracy of detected data is achieved.