Water quality detector

Abstract

The utility model belongs to the technical field of water quality detectors, and particularly relates to a water quality detector which comprises a first mounting seat, a handle is arranged in the center of the top end of the first mounting seat, a second mounting seat is arranged at the bottom end of an extension rod, and a plurality of first arc-shaped plates are arranged at the bottom end of the second mounting seat at equal intervals in a surrounding mode. A gravity block is arranged at the bottom end of the bottom plate, an anti-skid pad is arranged at the bottom end of the gravity block, a rotating assembly is arranged in a second mounting base and connected with a limiting plate, a plurality of second arc-shaped plates are mounted at the bottom end of the limiting plate, and a filter screen is arranged between every two adjacent second arc-shaped plates. A detection main body is arranged in the mounting seat I, a detection head is arranged at one end of the detection main body, and the detection head is connected with the water storage cavity, so that the problem that the working efficiency is reduced easily due to arm ache and body discomfort of a worker when the worker carries a water quality detector outdoors for a long time during geological exploration is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of water quality detectors, and particularly relates to a water quality detector. Background Art

[0002] Geological exploration is the investigation and research work on geological conditions such as rocks, stratigraphic structures, minerals, groundwater, landforms, etc. in a certain area according to the needs of economic construction, national defense construction, and scientific and technological development, using geological exploration methods such as surveying and mapping, geophysical exploration, geochemical prospecting, drilling, adit exploration, sampling and testing, and geological remote sensing. Some detection tools are needed during geological exploration, and a water quality detector is needed when detecting the water quality of the exploration area.

[0003] Geological exploration is outdoor work, and most of the existing water quality detectors are in the form of suitcases. Staff need to lift them to walk. If outdoors for a long time, staff carrying the water quality detector by hand for a long time will cause arm soreness and physical discomfort, which easily leads to a decrease in work efficiency. Content of the Utility Model

[0004] Aiming at the above problems, the purpose of the utility model is to provide a water quality detector to solve the problems that geological exploration is outdoor work, and most of the existing water quality detectors are in the form of suitcases. Staff need to lift them to walk. If outdoors for a long time, staff carrying the water quality detector by hand for a long time will cause arm soreness and physical discomfort, which easily leads to a decrease in work efficiency.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is: a water quality detector, including a first mounting seat. A handle is arranged at the center of the top end of the first mounting seat, and a support rod is arranged at the bottom end of the first mounting seat. An activity groove is opened inside the support rod. A first connecting pipe is arranged inside the activity groove, and the first connecting pipe penetrates through one end of the extension rod and is slidably connected with it. The extension rod is slidably arranged inside the activity groove. The other end of the extension rod penetrates through the bottom end of the support rod and is slidably connected with it. A second mounting seat is arranged at the bottom end of the extension rod. A plurality of first arc-shaped plates are equidistantly arranged around the bottom end of the second mounting seat. The bottom end of the first arc-shaped plate is connected to a bottom plate. A gravity block is arranged at the bottom end of the bottom plate, and an anti-slip pad is arranged at the bottom end of the gravity block. A rotating assembly is arranged inside the second mounting seat. The rotating assembly is connected to a limiting plate. A plurality of second arc-shaped plates are arranged at the bottom end of the limiting plate. A filter screen is arranged between adjacent second arc-shaped plates. The second arc-shaped plate fits and moves inside the inner side of the first arc-shaped plate. A detection main body is arranged inside the first mounting seat, and a detection head is arranged at one end of the detection main body. The detection head is connected to a water storage cavity, and the water storage cavity is opened inside the first mounting seat.

[0006] The beneficial effects of the utility model are:

[0007] The outer shape of this device is set to be in the shape of a walking stick, which increases the comfort of the staff when carrying it, and also improves the stability of the staff when walking outdoors for a long time.

[0008] By setting the rotating component, when this device does not reach the designated water sample area, the water samples in other areas will not flow into this device along with the insertion of this device, affecting the purity and test results of the designated water sample.

[0009] For operating the detection main body:

[0010] As a further improvement of the above technical solution: a placement cavity is provided inside one side of the first mounting seat, and an operation window is provided through the top of the placement cavity and penetrates the first mounting seat. The detection main body is arranged in the placement cavity.

[0011] The beneficial effect of this improvement is that the detection main body can be operated through the operation window.

[0012] For sampling water samples at a deep place:

[0013] As a further improvement of the above technical solution: a sliding groove is provided on the inner wall of one side of the movable groove, and a screw rod is rotatably installed inside the sliding groove. One end of the screw rod is connected to the sub-rotating shaft of the first motor, and the first motor is installed inside the support rod. The screw rod penetrates and is threadedly connected to the connecting block, and the connecting block is fitted and slidably installed in the sliding groove. The connecting block is connected to one end of the extension rod. Scale lines are provided on the outer sides of the support rod and the extension rod.

[0014] The beneficial effect of this improvement is that when using this device, the user can adjust the length of this device according to the depth of the water sample required. By starting the first motor through the controller, the screw rod rotates in the sliding groove. At this time, the rotating screw rod makes the connecting block slide in the sliding groove, and the sliding connecting block can make the extension rod extend downward. The user observes the scale lines provided on the outer side of the support rod and the scale lines provided on the outer side of the extension rod to accurately adjust the length of this device, and then can sample the water sample at a deep place. Similarly, when not using this device, the user can also adjust the length of this device by starting the first motor. And when this device is not in use, it can improve the walking stability of the staff when walking outdoors during exploration.

[0015] To prevent water from other areas from mixing in and affecting the test results when this device does not reach the sampling area:

[0016] As a further improvement of the above technical solution: The limiting plate is installed below the second mounting seat, and the diameter of the limiting plate is smaller than that of the second mounting seat. The top end of the limiting plate is connected to a rotating assembly, which is composed of a second motor, a water suction pipe, a rotating rod, a detection head, and a second connecting pipe. An installation cavity 1 is opened inside the second mounting seat. At both ends above the installation cavity 1, a driving wheel and a driven wheel are respectively rotatably installed. The bottom end of the driving wheel is connected to the sub-rotating shaft of the second motor, and the second motor is installed inside the second mounting seat. A transmission belt is sleeved outside the driving wheel and is in transmission connection with it. One end inside of the transmission belt is sleeved outside the driven wheel and is in transmission connection with it. The center of the bottom end of the driven wheel is provided with a rotating rod, which penetrates through the center of the bottom end of the second mounting seat and is rotatably connected to it. The bottom end of the rotating rod is connected to the top end of the limiting plate. The water suction pipe penetrates through the center of the second mounting seat. The bottom end of the water suction pipe penetrates through the centers of the driven wheel and the rotating rod and is movably connected to them. The bottom end of the water suction pipe penetrates through the center of the limiting plate and is rotatably connected to it. The top end of the water suction pipe penetrates through the bottom end of the extension rod, and the top end of the water suction pipe is connected to the bottom end of the cavity. The cavity is opened inside the extension rod.

[0017] The beneficial effect of this improvement is that when the device extends into the water, the second motor can be started through the controller at this time. The second motor drives the driving wheel to rotate, and the rotating driving wheel makes the driven wheel rotate through the transmission belt. At this time, the rotating rod at the bottom end of the driven wheel drives the limiting plate to rotate, and the arc plate 2 and the filter screen arranged below it rotate when the limiting plate rotates. The filter screen rotates to fit the gap between the adjacent arc plate 1, and the arc plate 2 rotates to fit the inner side of the arc plate 1. At this time, the garbage particles in the water are filtered by the filter screen, and the filtered water can seep in. The provided water suction pipe can suck the filtered water to complete the sampling. After the sampling is completed, the second mounting seat and the arc plate 1 can be inserted into the purified water, and the water suction pipe sucks the purified water to wash the position where the water sample flows through, that is, it will not contaminate the next water sample with this water sample. The provided structure can prevent the water in other areas from mixing in and affecting the detection result when the device does not extend into the sampling area.

[0018] In order to bring back the water sample in the water storage cavity:

[0019] As a further improvement of the above technical solution: An installation cavity 2 is opened inside the top end of the support rod. A water pump is installed inside the installation cavity 2. One end of the water pump is connected to the first connecting pipe, and the other end of the water pump is connected to one end of the water injection pipe. The water injection pipe penetrates through the bottom end of the first mounting seat and is installed in the water storage cavity. A water pipe penetrates through the bottom end of the water storage cavity. A valve is arranged outside the water pipe, and the bottom end of the water pipe is threadedly connected to the sampling pipe.

[0020] The beneficial effects of this improvement are as follows: After the detection subject finishes detecting the sample, the staff can choose whether to bring the water sample in the water storage cavity back to the laboratory according to their needs. If it is necessary to bring it back, the sampling tube can be first threadedly connected to the bottom end of the water pipe, and then the valve is rotated. At this time, the water sample in the water storage cavity will flow into the sampling tube. The staff can properly store the sampling tube to bring the water sample back to the laboratory. After the water sample in the water storage cavity is discharged, the second mounting seat and the first arc-shaped plate are inserted into the purified water. By starting the water pump, the purified water is sucked into the cavity through the suction pipe, then flows into the first connecting pipe, and then flows into the water storage cavity through the water injection pipe to clean the flow path of the just-sampled water, and then is discharged through the water pipe.

[0021] In order to uniformly control this device:

[0022] As a further improvement of the above technical solution: A controller is installed at the top of the first mounting seat. A battery module, a single-chip microcomputer, a relay, and a control switch are installed in the controller. The controller is electrically connected to the first motor, the second motor, and the water pump.

[0023] The beneficial effects of this improvement are as follows: Uniformly control this device.

[0024] Parts not involved in this device are the same as or can be implemented using existing technologies. Description of the Drawings

[0025] Figure 1 It is a schematic cross-sectional structure diagram of the present utility model;

[0026] Figure 2 It is a schematic structure diagram of the first arc-shaped plate of the present utility model;

[0027] Figure 3 It is a schematic structure diagram of the second arc-shaped plate of the present utility model;

[0028] Figure 4 It is a schematic cross-sectional structure diagram of the second mounting seat of the present utility model;

[0029] Figure 5 It is a schematic cross-sectional structure diagram of the top end of the support rod of the present utility model;

[0030] Figure 6 It is a schematic structure diagram of the present utility model;

[0031] In the figure: 1, the first mounting seat; 2, the handle; 3, the detection main body; 4, the water storage cavity; 5, the water pipe; 6, the valve; 7, the sampling pipe; 8, the support rod; 9, the chute; 10, the movable groove; 11, the cavity; 12, the first connecting pipe; 13, the extension rod; 14, the first motor; 15, the second mounting seat; 16, the first arc-shaped plate; 17, the gravity block; 18, the bottom plate; 19, the limiting plate; 20, the second arc-shaped plate; 21, the filter screen; 22, the second motor; 23, the water suction pipe; 24, the rotating rod; 25, the detection head; 26, the second connecting pipe; 27, the water pump; 28, the water injection pipe. Detailed implementation manner

[0032] In order to enable those skilled in the art to better understand the technical solution of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory, and should not have any restrictive effect on the protection scope of the present utility model.

[0033] As Figures 1-6 shown, a water quality detector includes a first mounting seat 1. A handle 2 is arranged at the center of the top end of the first mounting seat 1, and a support rod 8 is arranged at the bottom end of the first mounting seat 1. An activity groove 10 is opened inside the support rod 8. A first connecting pipe 12 is arranged inside the activity groove 10, and the first connecting pipe 12 penetrates through one end of the extension rod 13 and is slidably connected thereto. The extension rod 13 is slidably arranged in the activity groove 10. The other end of the extension rod 13 penetrates through the bottom end of the support rod 8 and is slidably connected thereto. A second mounting seat 15 is arranged at the bottom end of the extension rod 13. A plurality of first arc-shaped plates 16 are arranged around the bottom end of the second mounting seat 15 at equal intervals. The bottom end of the first arc-shaped plate 16 is connected to the bottom plate 18. A gravity block 17 is arranged at the bottom end of the bottom plate 18, and an anti-slip pad is arranged at the bottom end of the gravity block 17. A rotating assembly is arranged inside the second mounting seat 15. The rotating assembly is connected to a limiting plate 19. A plurality of second arc-shaped plates 20 are arranged at the bottom end of the limiting plate 19, and a filter screen 21 is arranged between adjacent second arc-shaped plates 20. The second arc-shaped plate 20 fits and moves inside the first arc-shaped plate 16. A detection main body 3 is arranged inside the first mounting seat 1, and a detection head 25 is arranged at one end of the detection main body 3. The detection head 25 is connected to a water storage cavity 4, and the water storage cavity 4 is opened in the first mounting seat 1.

[0034] A placement cavity is opened inside one side of the first mounting seat 1, and an operation window penetrates through the first mounting seat 1 at the top end of the placement cavity. The detection main body 3 is arranged inside the placement cavity; the detection main body 3 can be operated through the operation window.

[0035] A chute 9 is provided on the inner wall of one side of the movable slot 10, and a screw rod is rotatably installed inside the chute 9. One end of the screw rod is connected to the sub-rotating shaft of the first motor 14, and the first motor 14 is installed inside the support rod 8. The screw rod penetrates through the connecting block and is threadedly connected thereto, and the connecting block is fitted and slidably installed in the chute 9. The connecting block is connected to one end of the extension rod 13. Scale lines are provided on the outer sides of the support rod 8 and the extension rod 13. When using this device, the user can adjust the length of this device according to the depth of the water sample required. By starting the first motor 14 through the controller, the screw rod rotates in the chute 9. At this time, the rotating screw rod causes the connecting block to slide in the chute 9, and the sliding connecting block can make the extension rod 13 extend downward. The user observes the scale lines provided on the outside of the support rod 8 and the scale lines provided on the outside of the extension rod 13 to accurately adjust the length of this device, and thus can take samples of the water sample at a deep place. Similarly, when not using this device, the user can also start the first motor 14 to adjust the length of this device. And when this device is not in use, it can improve the walking stability of the staff during outdoor exploration and walking.

[0036] The limiting plate 19 is installed below the second mounting seat 15, and the diameter of the limiting plate 19 is smaller than that of the second mounting seat 15. The top end of the limiting plate 19 is connected to a rotating assembly, which is composed of a second motor 22, a water suction pipe 23, a rotating rod 24, a detection head 25, and a second connecting pipe 26. An installation cavity 1 is formed inside the second mounting seat 15. At both ends above the installation cavity 1, a driving wheel and a driven wheel are respectively rotatably installed. The bottom end of the driving wheel is connected to the sub-rotating shaft of the second motor 22, and the second motor 22 is installed inside the second mounting seat 15. A transmission belt is sleeved outside the driving wheel and is in transmission connection with it. One end inside of the transmission belt is sleeved outside the driven wheel and is in transmission connection with it. The bottom center of the driven wheel is provided with a rotating rod 24. The rotating rod 24 passes through the bottom center of the second mounting seat 15 and is rotatably connected to it. The bottom end of the rotating rod 24 is connected to the top end of the limiting plate 19. A water suction pipe 23 passes through the center of the second mounting seat 15. The bottom end of the water suction pipe 23 passes through the centers of the driven wheel and the rotating rod 24 and is movably connected to them. The bottom end of the water suction pipe 23 passes through the center of the limiting plate 19 and is rotatably connected to it. The top end of the water suction pipe 23 passes through the bottom end of the extension rod 13, and the top end of the water suction pipe 23 is connected to the bottom end of the cavity 11. The cavity 11 is formed inside the extension rod 13; after the device enters the water, the second motor 22 can be started through the controller at this time. The second motor 22 drives the driving wheel to rotate, and the rotating driving wheel makes the driven wheel rotate through the transmission belt. At this time, the rotating rod 24 at the bottom end of the driven wheel drives the limiting plate 19 to rotate, and the arc-shaped plate 20 and the filter screen 21 arranged below the limiting plate 19 rotate accordingly. The filter screen 21 rotates to fit the gap between the adjacent arc-shaped plate 16, and the arc-shaped plate 20 rotates to fit the inner side of the arc-shaped plate 16. At this time, the garbage particles in the water are filtered by the filter screen 21, and the filtered water can seep in. The provided water suction pipe 23 can suck the filtered water, thus completing the sampling. After the sampling is completed, the second mounting seat 15 and the arc-shaped plate 16 can be inserted into the purified water, and the water suction pipe 23 sucks the purified water to wash the position where the water sample flows through, that is, it will not contaminate the next water sample with this water sample. The provided structure can prevent the water in other areas from mixing in and affecting the detection result when the device does not enter the sampling area.

[0037] An installation cavity two is formed inside the top end of the support rod 8. A water pump 27 is installed in the installation cavity two. One end of the water pump 27 is connected to a connecting pipe one 12, and the other end of the water pump 27 is connected to one end of a water injection pipe 28. The water injection pipe 28 penetrates through the bottom end of the installation base one 1 and is installed in the water storage cavity 4. A water pipe 5 is installed through the bottom end of the water storage cavity 4. A valve 6 is arranged on the outer side of the water pipe 5, and the bottom end of the water pipe 5 is threadedly connected to a sampling pipe 7. After the detection main body 3 finishes detecting the sample, the staff can choose whether to bring the water sample in the water storage cavity 4 back to the laboratory according to the need. If it is necessary to bring it back, the sampling pipe 7 can be first threadedly connected to the bottom end of the water pipe 5, and then the valve 6 is rotated. At this time, the water sample in the water storage cavity 4 will flow into the sampling pipe 7. The staff can properly store the sampling pipe 7 to bring the water sample back to the laboratory. After the water sample in the water storage cavity 4 is discharged, the installation base two 15 and the arc-shaped plate one 16 are inserted into the purified water. By starting the water pump 27, the purified water is sucked into the cavity 11 through the water suction pipe 23, then flows into the connecting pipe one 12, and then flows into the water storage cavity 4 through the water injection pipe 28 to clean the flow route of the just sampled water, and then is discharged through the water pipe 5.

[0038] A controller is installed at the top end of the installation base one 1. A battery module, a single-chip microcomputer, a relay, and a control switch are installed in the controller. The controller is electrically connected to the motor one 14, the motor two 22, and the water pump 27.

[0039] Working principle and usage process of the utility model: When using this device, the user can adjust the length of this device according to the depth of the water sample required. By starting the first motor 14 through the controller, the screw rotates in the chute 9. At this time, the rotating screw makes the connecting block slide in the chute 9, and the sliding connecting block can make the extension rod 13 extend downward. The user observes the scale line set outside the support rod 8 and the scale line set outside the extension rod 13 to accurately adjust the length of this device, and then can take samples of the water sample at a deep place. Similarly, when not using this device, the user can also adjust the length of this device by starting the first motor 14. When this device extends into the water, the second motor 22 can be started through the controller at this time. The second motor 22 drives the driving wheel to rotate, and the rotating driving wheel makes the driven wheel rotate through the transmission belt. At this time, the rotating rod 24 at the bottom of the driven wheel drives the limiting plate 19 to rotate, and the arc-shaped plate two 20 and the filter screen 21 arranged below the limiting plate 19 rotate accordingly. The filter screen 21 rotates to fit the gap between the adjacent arc-shaped plate one 16, and the arc-shaped plate two 20 rotates to fit the inner side of the arc-shaped plate one 16. At this time, the garbage particles in the water are filtered by the filter screen 21, and the filtered water can seep in. By starting the water pump 27, the water sample is sucked into the cavity 11 through the water suction pipe 23, then flows into the first connecting pipe 12, and then flows into the water storage cavity 4 through the water injection pipe 28. After the detection main body 3 finishes detecting the sample, the staff can choose whether to take the water sample in the water storage cavity 4 back to the laboratory according to the needs. If it is necessary to take it back, the sampling pipe 7 can be first threadedly connected to the bottom end of the water pipe 5, and then the valve 6 is rotated. At this time, the water sample in the water storage cavity 4 will flow into the sampling pipe 7. The staff can properly store the sampling pipe 7 to take the water sample back to the laboratory. After the water sample in the water storage cavity 4 is discharged, the second mounting seat 15 and the arc-shaped plate one 16 are inserted into the purified water. By starting the water pump 27, the purified water is sucked into the cavity 11 through the water suction pipe 23, then flows into the first connecting pipe 12, and then flows into the water storage cavity 4 through the water injection pipe 28 to clean the flow path of the just sampled water, and then is discharged through the water pipe 5, which can prevent the water in other areas from mixing in and affecting the detection result when this device does not extend into the sampling area.

Claims

1. A water quality detector, characterized in that: The invention comprises a mounting seat (1), a handle (2) is arranged at the center of the top of the mounting seat (1), and a support rod (8) is arranged at the bottom end of the mounting seat (1), a movable groove (10) is provided inside the support rod (8), a connecting pipe (12) is arranged inside the movable groove (10), and the connecting pipe (12) passes through one end of an extension rod (13) and is slidably connected thereto, and the extension rod (13) is slidably arranged in the movable groove (10), and the other end of the extension rod (13) passes through the bottom end of the support rod (8) and is slidably connected thereto, and a mounting seat (15) is arranged at the bottom end of the extension rod (13), and a plurality of arc-shaped plates (16) are equidistantly arranged around the bottom end of the mounting seat (15), and the arc-shaped plates (16) are arranged at the bottom end of the arc-shaped plates (16). The bottom end is connected to a bottom plate (18), a gravity block (17) is arranged at the bottom end of the bottom plate (18), and an anti-slip pad is arranged at the bottom end of the gravity block (17), a rotating assembly is arranged inside the second mounting seat (15), the rotating assembly is connected to a limit plate (19), a plurality of arc plates (20) are arranged at the bottom end of the limit plate (19), and a filter screen (21) is arranged between adjacent arc plates (20), the arc plates (20) are fitted to the inner side of the arc plate (16) and move, a detection body (3) is arranged inside the first mounting seat (1), and a detection head (25) is arranged at one end of the detection body (3), the detection head (25) is connected to the water storage chamber (4), and the water storage chamber (4) is opened in the first mounting seat (1).

2. A water quality detector according to claim 1, characterized in that: A placement cavity is provided inside one side of the mounting seat one (1), and an operation window is provided at the top of the placement cavity which penetrates through the mounting seat one (1), and a detection body (3) is provided in the placement cavity.

3. A water quality detector according to claim 1, characterized in that: A slide groove (9) is provided on the inner wall of one side of the movable groove (10), and a screw is rotatably installed inside the slide groove (9), one end of the screw is connected to the sub-rotating shaft of motor 1 (14), and motor 1 (14) is installed inside the support rod (8), the screw passes through the connecting block and is threadedly connected thereto, and the connecting block is slidably installed in the slide groove (9), the connecting block is connected to one end of the extension rod (13), and scale lines are provided on the outer sides of the support rod (8) and the extension rod (13).

4. A water quality detector according to claim 1, characterized in that: The limit plate (19) is arranged below the second mounting seat (15), and the diameter of the limit plate (19) is smaller than that of the second mounting seat (15). The top end of the limit plate (19) is connected to a rotating assembly, and the rotating assembly is composed of a second motor (22), a water suction pipe (23), a rotating rod (24), a detection head (25), and a second connecting pipe (26). The second mounting seat (15) is provided with a mounting cavity (1), and a driving wheel and a driven wheel are rotatably arranged at both ends above the first mounting cavity. The bottom end of the driving wheel is connected to the sub-rotating shaft of the second motor (22), and the second motor (22) is arranged in the second mounting seat (15). A transmission belt is sleeved on the outer side of the driving wheel and is transmission-connected therewith, and the inner side of one end of the transmission belt is sleeved on the outer side of the driven wheel. The driven wheel is provided with a rotating rod (24) at the bottom center of the driven wheel, the rotating rod (24) passes through the bottom center of the second mounting seat (15) and is rotatably connected thereto, and the bottom end of the rotating rod (24) is connected to the top of the limiting plate (19), a water suction pipe (23) is passed through the center of the second mounting seat (15), the bottom end of the water suction pipe (23) passes through the center of the driven wheel and the rotating rod (24) and is movably connected thereto, and the bottom end of the water suction pipe (23) passes through the center of the limiting plate (19) and is rotatably connected thereto, the top end of the water suction pipe (23) passes through the bottom end of the extension rod (13), and the top end of the water suction pipe (23) is connected to the bottom end of the cavity (11), and the cavity (11) is opened inside the extension rod (13).

5. A water quality detector according to claim 1, characterized in that: A second installation cavity is provided inside the top end of the support rod (8), a water pump (27) is installed in the second installation cavity, one end of the water pump (27) is connected to a connecting pipe (12), and the other end of the water pump (27) is connected to one end of a water injection pipe (28), the water injection pipe (28) passes through the bottom end of the mounting seat (1) and is installed in the water storage cavity (4), a water pipe (5) is passed through the bottom end of the water storage cavity (4), a valve (6) is provided on the outside of the water pipe (5), and the bottom end of the water pipe (5) is threadedly connected to a sampling tube (7).

6. A water quality detector according to claim 1, characterized in that: A controller is installed at the top of the mounting seat 1 (1), and a battery module, a single-chip microcomputer, a relay, and a control switch are installed in the controller. The controller is electrically connected to the motor 1 (14), the motor 2 (22), and the water pump (27).

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