Sampling device of water quality monitor

Abstract

The utility model relates to a sampling device of a water quality monitor. Comprising a supporting plate located on the upper portion and a supporting plate located on the lower portion, a filtering assembly, a rotary driving assembly and a pumping assembly are installed on the supporting plate, the rotary driving assembly is located in the middle, a pipe hole is further formed in the supporting plate, and a hose connected with the pumping assembly penetrates through the pipe hole and extends to the position below the supporting plate. A rotating arm is mounted at the lower end of a rotating shaft driven by the rotating driving assembly, and the lower end of the hose is fixedly mounted on the rotating arm; a waste water barrel and a plurality of clamping bases which are annularly arranged are mounted on the supporting plate, a water sample bottle which can be taken down is mounted in each clamping base, and the rotary driving assembly drives the rotary arm to drive the lower end of the hose to rotate and suspend above the waste water barrel or the water sample bottle. The utility model provides a sampling device of a water quality monitor, which has a function of filtering a water sample, particles contained in the water sample are removed through filtering treatment, and a plurality of water quality monitoring samples can be generated through single treatment.

Description

TECHNICAL FIELD

[0001] The utility model belongs to water quality monitor technical field especially relates to a sampling device of water quality monitor. BACKGROUND

[0002] Water quality monitor is also called water quality measuring instrument, which is used to monitor various components in water. Under normal circumstances, the main monitoring indicators include pH value, dissolved oxygen and conductivity. In operation, the staff puts the water sample into the monitoring instrument and performs the measuring program, and the obtained water quality indicators are displayed on the display screen. Therefore, providing appropriate water sample samples for the water quality monitor is important for the normal operation of the monitor. Under normal circumstances, multiple homogeneous water samples are required to perform multiple standard measuring programs to obtain accurate water quality parameter monitoring values, so multiple homogeneous water sample samples are required each time. On the other hand, for some water samples containing particulate matter, filtration treatment is required before water quality monitoring to filter out the contained particulate matter, avoid adverse effects on subsequent water sample parameter measurement, and protect the measuring probe / sensor of the monitor.

[0003] The existing water quality monitor does not configure appropriate sampling devices, which cannot obtain multiple homogeneous water sample samples, and cannot provide the aforementioned filtration treatment for the water sample. These works are usually completed manually, which causes time-consuming and laborious water quality monitoring work. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a sampling device of water quality monitor, which has a filtration function for water samples, removes the contained particulate matter through filtration treatment, and can generate multiple water quality monitoring samples in a single treatment.

[0005] The utility model adopts the technical scheme: a sampling device of water quality monitor, including support plate located upper and supporting plate located lower, install filter assembly, rotary drive assembly and pumping assembly on support plate, rotary drive assembly is located in the middle, still be equipped with pipe hole on support plate, and the hose connected with pumping assembly passes through pipe hole and extends to the lower of support plate, install rotary arm on the lower end of the rotating shaft driven by rotary drive assembly and install the lower end of hose fixedly on rotary arm;Install waste water bucket and multiple clamping bases arranged in a ring on supporting plate, install water sample bottle that can be taken down in each clamping base, rotary drive assembly drives rotary arm to drive the lower end of hose to rotate and pause in the upper of waste water bucket or water sample bottle.

[0006] Preferably, the filtering assembly comprises a filter, a double-input single-output confluence valve mounted on the inlet of the filter, a water sample pump and a flushing pump, the outlet of the water sample pump being connected to one input of the backflow valve through a pipeline, the outlet of the flushing pump being connected to the other input of the backflow valve through a pipeline, a flow meter being mounted on the outlet of the filter, and a water sample outlet being mounted on the outlet of the flow meter.

[0007] Preferably, the filtering assembly further comprises a solenoid valve, a water sample inlet being mounted on the inlet of the solenoid valve, and a water sample interface being mounted on the outlet of the solenoid valve, the water sample outlet being connected to the water sample inlet through a pipeline.

[0008] Preferably, the rotary driving assembly comprises a driving box mounted fixedly above the middle part of the support plate and a rotary driving motor mounted on the driving box, a driving gear set being mounted in the driving box, the output shaft of the rotary driving motor being connected to the driving gear set, and the upper end of the rotating shaft being connected to the driven gear of the driving gear set.

[0009] Preferably, the pumping assembly comprises a peristaltic pump and a pumping motor for providing power for the peristaltic pump, one end of the hose being connected to the water sample interface and the middle part of the hose passing through the peristaltic pump.

[0010] Preferably, a support arm with the outer end bent downward is mounted fixedly on the lower part of the rotary arm by means of bolts, recesses are arranged on the bottom of the rotary arm and the top of the support arm, and the hose is clamped between the two recesses; a thimble is further arranged on the bottom of the end of the support arm, the lower end of the hose passes through the thimble, and the water outlet direction is downward.

[0011] The water quality monitoring instrument sampling device has the advantages and positive effects that:

[0012] The water quality monitoring instrument sampling device has the advantages and positive effects that: BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1It is the front view structure schematic diagram of the utility model;

[0014] Figure 2 It is the three-dimensional structure schematic diagram of the main part of the utility model.

[0015] In the figure,

[0016] 1, support plate, 2, filter assembly, 2-1, water sample pump, 2-2, flushing pump, 2-3, filter, 2-4, water sample outlet, 2-5, water sample inlet, 2-6, flowmeter, 2-7, electromagnetic valve, 2-8, water sample interface, 3, rotary drive assembly, 3-1, drive box, 3-2, rotary drive motor, 4, pumping assembly, 4-1, pumping motor, 4-2, peristaltic pump, 5, rotating shaft, 6, hose, 7, rotating arm, 8, support arm, 9, collar, 10, water sample bottle, 11, clamping base, 12, supporting plate, 13, waste water bucket, 14, pipe hole. DETAILED DESCRIPTION

[0017] In order to further understand the invention content, characteristics and efficacy of the utility model, the following examples are described in detail.

[0018] Please see Figure 1 and Figure 2 The sampling device of the water quality monitor comprises a support plate 1 located at the upper portion and a supporting plate 12 located at the lower portion, a filter assembly 2, a rotary drive assembly 3 and a pumping assembly 4 are installed on the support plate 1, and the rotary drive assembly 3 is located at the middle portion. The filter assembly 2 is used for filtering the collected water sample to remove the remaining particulate impurities, the rotary drive assembly 3 provides a rotary drive function, and the pumping assembly 4 is used for pumping the filtered water sample.

[0019] A pipe hole 14 is further arranged on the support plate 1, a hose 6 connected with the pumping assembly 4 passes through the pipe hole 14 and extends to the lower portion of the support plate 1. A rotating arm 7 is installed at the lower end of a rotating shaft 5 driven by the rotary drive assembly 3, and the lower end of the hose 6 is fixedly installed on the rotating arm 7. The action principle is that the rotary drive assembly 3 drives the rotating arm 7 to drive the hose 6 to rotate and shift in the circumferential direction and stop at a specific position, and the pumping assembly 4 pumps out the water sample through the hose 6, so that multiple homogeneous samples can be obtained.

[0020] In the embodiment, the filtering assembly 2 comprises a filter 2-3, a double-input single-output confluence valve is installed on the inlet of the filter 2-3, and the filtering assembly 2 further comprises a water sample pump 2-1 and a flushing pump 2-2, the outlet of the water sample pump 2-1 is connected to one input port of a backflow valve through a pipeline, the outlet of the flushing pump 2-2 is connected to another input port of the backflow valve through a pipeline, a flow meter 2-6 is installed on the outlet of the filter 2-3, and a water sample outlet 2-4 is installed on the outlet of the flow meter 2-6. The inlet of the water sample pump 2-1 is connected to a collected water sample (such as a water sample barrel or the like) through a pipeline, and the flushing pump 2-2 is connected to clean water (such as a deionized water barrel or the like) through a pipeline. The water sample pump 2-1 is used to send the water sample into the filter 2-3 during the preparation of a water sample sample, and the flushing pump 2-2 is used to flush the whole process after the preparation of the water sample sample is completed. The flow meter 2-6 is arranged to measure the flow of the water sample.

[0021] The filtering assembly 2 further comprises a solenoid valve 2-7, a water sample inlet 2-5 is installed on the inlet of the solenoid valve 2-7, a water sample interface 2-8 is installed on the outlet of the solenoid valve 2-7, and the water sample outlet 2-4 is connected to the water sample inlet 2-5 through a pipeline. The solenoid valve 2-7 is arranged to better control the preparation process of multiple homogeneous samples.

[0022] In the embodiment, the pumping assembly 4 comprises a peristaltic pump 4-2 and a pumping motor 4-1 for driving the peristaltic pump 4-2, and one end of the hose 6 is connected to the water sample interface 2-8 and the middle part of the hose 6 passes through the peristaltic pump 4-2.

[0023] In the embodiment, the rotary driving assembly 3 comprises a driving box 3-1 fixedly installed above the middle part of the support plate 1 and a rotary driving motor 3-2 installed on the driving box 3-1, a driving gear set is installed in the driving box 3-1, the output shaft of the rotary driving motor 3-2 is connected to a driving gear of the driving gear set, and the upper end of the rotating shaft 5 is connected to a driven gear of the driving gear set. The rotary driving motor 3-2 is controlled to rotate in a forward direction or a reverse direction, so as to realize the forward rotation driving and the reverse rotation driving of the rotating shaft 5 and the rotary arm 7.

[0024] In the embodiment, a support arm 8 with an outer end bent downward is fixedly installed on the lower part of the rotary arm 7 by means of bolts, and the rotary arm 7 and the support arm 8 are both provided with grooves and the hose 6 is clamped between the two grooves, so that the hose 6 can be prevented from being displaced during rotation. Further, a sleeve ring 9 is arranged at the bottom end of the support arm 8, the lower end of the hose 6 passes through the sleeve ring 9 and the water outlet direction is downward, and the sleeve ring 9 is arranged to keep the port of the hose 6 facing downward.

[0025] A plurality of water sample bottles 10 are installed in each of the plurality of clamping bases 11, and a wastewater bucket 13 is installed on the support plate 12. The rotary drive assembly 3 drives the rotary arm 7 to rotate the lower end of the hose 6 and stop above the wastewater bucket 13 or the water sample bottle 10, and the pumping assembly 4 injects water samples into each of the water sample bottles 10 below to obtain a plurality of homogeneous samples. The wastewater bucket 13 is used to collect wastewater, and the volume of the wastewater bucket 13 is significantly larger than the volume of the water sample bottle 10. A discharge valve is arranged at the bottom of the wastewater bucket 13, and the wastewater stored inside is discharged by opening the discharge valve.

[0026] Operation mode:

[0027] The water sample pump 2-1 is connected to the water sample, and the flushing pump 2-2 is connected to the flushing clean water source. Initially, the rotary drive assembly 3 drives the rotary arm 7 to move the hose 6 to above the wastewater bucket 13, the electromagnetic valve 2-7 is opened, the water sample pump 2-1 and the pumping assembly 4 are started, the water sample is extracted and sent into the filter 2-3, and the filtered water sample is transported along the hose 6 and injected into the wastewater bucket 13. After a certain period of time, the electromagnetic valve 2-7 is closed to cut off the water path. Then the rotary drive assembly 3 drives the rotary arm 7 to rotate the hose 6 by a certain angle to reach above a water sample bottle 10. Then the electromagnetic valve 2-7 is opened, the water sample is injected into the sampling bottle 10, and the flow meter 2-6 measures the amount of water injected. After reaching the set amount, the electromagnetic valve 2-7 is closed, and then the rotary drive assembly 3 drives the rotary arm 7 to rotate the hose 6 by a certain angle to reach above the next water sample bottle 10. The above process is repeated to obtain a plurality of homogeneous samples.

[0028] Finally, the rotary drive assembly 3 drives the rotary arm 7 to move the hose 6 to above the wastewater bucket 13, the water sample pump 2-1 is closed, the flushing pump 2-2 is opened, the electromagnetic valve 2-7 is opened, and the pumping assembly 4 is started. The flushing clean water source is extracted and injected into the filter 2-3, and then into the hose 6, to realize full-process flushing. After a certain period of time, the flushing is stopped.

Claims

1. A sampling device for a water quality monitor, characterised in that: The device comprises a support plate (1) on the top and a supporting plate (12) on the bottom, a filtering assembly (2), a rotary drive assembly (3) and a pumping assembly (4) are installed on the support plate (1), the rotary drive assembly (3) is located in the middle part, a pipe hole (14) is arranged on the support plate (1), a hose (6) connected with the pumping assembly (4) passes through the pipe hole (14) and extends to the bottom of the support plate (1), a rotary arm (7) is installed on the lower end of a rotating shaft (5) driven by the rotary drive assembly (3) and the lower end of the hose (6) is fixed on the rotary arm (7); a waste water bucket (13) arranged in a ring shape and a plurality of clamping bases (11) are installed on the supporting plate (12), a water sample bottle (10) is installed in each clamping base (11), the rotary drive assembly (3) drives the rotary arm (7) to rotate the lower end of the hose (6) and pause above the waste water bucket (13) or the water sample bottle (10).

2. The sampling device of the water quality monitor according to claim 1, characterized in that: The filtering assembly (2) comprises a filter (2-3), a double-input single-output flow valve is installed on the inlet of the filter (2-3), a water sample pump (2-1) and a flushing pump (2-2), the outlet of the water sample pump (2-1) is connected to one input port of the flow valve through a pipeline, the outlet of the flushing pump (2-2) is connected to the other input port of the flow valve through a pipeline, a flow meter (2-6) is installed on the outlet of the filter (2-3), and a water sample outlet (2-4) is installed on the outlet of the flow meter (2-6).

3. The sampling device of the water quality monitor according to claim 2, wherein: The filtering assembly (2) further comprises a solenoid valve (2-7), a water sample inlet (2-5) is installed on the inlet of the solenoid valve (2-7), a water sample interface (2-8) is installed on the outlet of the solenoid valve (2-7), and the water sample outlet (2-4) is connected to the water sample inlet (2-5) through a pipeline.

4. The sampling device of the water quality monitor according to claim 3, wherein: The rotary drive assembly (3) comprises a drive box (3-1) fixed on the top of the middle part of the support plate (1) and a rotary drive motor (3-2) installed on the drive box (3-1), a drive gear set is installed in the inside of the drive box (3-1), the output shaft of the rotary drive motor (3-2) is connected to the driving gear of the drive gear set, and the upper end of the rotating shaft (5) is connected to the driven gear of the drive gear set.

5. The sampling device of the water quality monitor according to claim 4, characterized in that: The pumping assembly (4) comprises a peristaltic pump (4-2) and a pumping motor (4-1) for providing power for the peristaltic pump (4-2), one end of the hose (6) is connected to the water sample interface (2-8) and the middle part passes through the peristaltic pump (4-2).

6. The sampling device of the water quality monitor according to claim 5, wherein: A support arm (8) with the outer end bent downward is fixed on the lower part of the rotary arm (7) by bolts, recesses are arranged on the bottom of the rotary arm (7) and the top of the support arm (8), and the hose (6) is clamped between the two recesses; a thimble (9) is further arranged on the bottom of the end of the support arm (8), the lower end of the hose (6) passes through the thimble (9) and the water outlet direction is downward.

Images