CN221123899U - Circulation sampler with self-cleaning function - Google Patents

Abstract

The utility model discloses a circulation sampler with a self-cleaning function, wherein a water inlet of the sampler is connected with an electric water inlet valve, the other end of the electric cleaning liquid injection valve is connected with a cleaning liquid injection pump, a correction liquid injection port of the sampler is connected with one end of the electric correction liquid injection valve, the other end of the electric water outlet valve is connected with one end of a flow switch, the other end of the flow switch is connected with a water outlet pipe, and an ultrasonic cleaning vibrator is arranged at the bottom of the sampler. The utility model can carry out self-cleaning and correction on the sampler and the accessed sensor, can carry out automatic cleaning and correction on site, greatly improves the accuracy of water quality detection, prolongs the service life of the sensor, reduces the cost, and can also rapidly apply the self-cleaning sampler to other water quality detection, thereby improving the convenience and wide applicability of use.

Description

Circulation sampler with self-cleaning function

Technical Field

The utility model relates to the technical field of water quality detection, in particular to a circulation sampler with a self-cleaning function.

Background

The current water quality sampling working process approximately comprises a sampling process, a sample supplying process and a sample reserving process, wherein the sampling process is that a controller drives a water sample collecting device to obtain a water sample to be monitored, the water sample to be monitored is conveyed into a circulating pipeline to finish the water sample collecting work to be monitored, and finally a mixed water sample in unit time is obtained; the sample feeding process is the continuation of the sampling process, and after the mixing barrel is full of water samples or an external signal or an internal program sample feeding command is received, the initial mixed water samples in the mixing barrel are pumped into a sample feeding pipeline and are conveyed to a water quality analyzer for water quality analysis. After the water sample is analyzed by the water quality analyzer, if the analysis result of the target mixed water sample is out of standard, sampling the out-of-standard mixed water sample in the mixing barrel as the target mixed water sample, conveying the target mixed water sample into a designated sample reserving bottle, cooling and preserving the target water sample in a constant temperature box, waiting for a worker to take the target water sample for laboratory comparison and analysis, and if the target water sample is preserved for a long time, adding an acidic reagent or a curing agent into the out-of-standard mixed water sample by a dosing box.

For example, a water quality automatic sampler capable of being monitored remotely is disclosed in Chinese patent document publication No. CN110220751A, and a water pump is used for adding detected water quality into a storage bottle, so that sample reserving is completed; and one group of output ends of the peristaltic pump are connected with the water injection head through the corrugated pipe, so that the solution in the storage bottle is conveniently extracted again for re-inspection, and further the sampling investigation of people is facilitated. And chinese patent publication No. CN 111232353a discloses a sample retention bottle for a water quality sampler and a water quality sampler, when the sample liquid collected by the water quality sampler is stored into the interior of the sample retention bottle, the sample liquid is injected from the bottle mouth of the sample retention bottle to impact the sealing part, so that the sample liquid can quickly pass through the deformed water through hole and enter the interior of the bottle body for storage.

Therefore, in the prior art, the sampler and the sensor adopted by the current water quality sampler for sampling, sample supplying and sample reserving cannot realize the self-cleaning function, the detection precision of the sampler can be greatly reduced after long-time use, the sensor loss is serious, the cost is high, and in addition, the current water quality sampler has a narrow application range and cannot be commonly used in circulating cooling water, swimming pool water, chilled water, air conditioning hot water, closed-circuit process cooling water and reverse osmosis water.

Disclosure of utility model

The utility model aims to provide the circulation sampler with the self-cleaning function, which can perform self-cleaning and correction on the sampler and an accessed sensor, can perform automatic cleaning and correction on site, greatly improve the accuracy of water quality detection, prolong the service life of the sensor, reduce the cost, and can rapidly apply the self-cleaning sampler to other water quality detection, thereby improving the convenience and wide applicability of use.

In order to achieve the above purpose, the present utility model provides a technical solution: a flow-through sampler with self-cleaning function, comprising: the device comprises a sampler, an electric water inlet valve, an ultrasonic cleaning vibrator, an electric emptying valve, an electric water outlet valve, a flow switch, an electric pressure relief valve, an electric cleaning liquid injection valve, a cleaning liquid injection pump, a correction liquid injection pump, an electric correction liquid injection valve and a sensor connecting interface; the sampler is provided with a water inlet, an emptying outlet, a cleaning fluid injection opening, a correction fluid injection opening and a water outlet, the water inlet of the sampler is connected with an electric water inlet valve, the emptying outlet of the sampler is connected with an electric emptying valve, the cleaning fluid injection opening of the sampler is respectively connected with one end of an electric pressure relief valve and one end of an electric cleaning fluid injection valve through a three-way pipe, the other end of the electric pressure relief valve is connected with a pressure relief outlet, the other end of the electric cleaning fluid injection valve is connected with a cleaning fluid injection pump, the correction fluid injection opening of the sampler is connected with one end of the electric correction fluid injection valve, the other end of the electric correction fluid injection valve is connected with one end of an electric water outlet valve, the other end of the electric water outlet valve is connected with one end of a flow switch, the other end of the flow switch is connected with a water outlet pipe, the bottom of the sampler is provided with an ultrasonic cleaner, and the upper part of the sampler is provided with a plurality of sensor connection interfaces.

Further, preferably, the other end of the electric water outlet valve is connected with an external sensor connection interface.

Further, preferably, the external sensor connection interface is connected with a sensor that does not require self-cleaning.

Further, preferably, the sensor connection interface is connected to a sensor that requires self-cleaning.

Further, preferably, the water inlet is further connected with the water outlet pipe through a branch valve and a branch.

Further, preferably, the number of the sensor connection interfaces is 1 or more.

Further, the number of ultrasonic cleaning vibrators is preferably 1 or more.

Further, preferably, the ultrasonic cleaning device further comprises a controller, wherein the controller is electrically connected with the electric water inlet valve, the ultrasonic cleaning vibrator, the electric exhaust valve, the electric water outlet valve, the flow switch, the electric pressure relief valve, the electric cleaning liquid injection valve, the cleaning liquid injection pump, the correction liquid injection pump and the electric correction liquid injection valve.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model can automatically clean the sampler and the accessed sensor, can automatically clean the sampler on site, greatly improves the accuracy of water quality detection, and can rapidly apply the self-cleaning sampler to other water quality detection, thereby improving the convenience and wide applicability of use.

2. The utility model also has a correction flow, and can correct the probe of the sensor, thereby ensuring the detection precision of the sensor, reducing the loss of the sensor, prolonging the service life of the sensor and reducing the cost.

3. The utility model can also be used for sealing the connection interfaces of the sensors without accessing the sensors, and then opening the electric water inlet valve and the electric water outlet valve, so that after the sampler is filled with water, the electric water inlet valve and the electric water outlet valve are closed, the whole sampler can be taken as a sample reserving bottle after being disassembled and sealed, and the valves are arranged at the ports of the sampler, and the whole sampler can be sealed after the valves are closed, so that the sampler is convenient to transport and store.

4. Because some water quality sensors cannot be self-cleaned, the utility model is provided with an external sensor connecting interface, and the water quality sensors are connected with sensors which do not need to be self-cleaned through the external sensor connecting interface. When water quality detection is needed, the electric water inlet valve and the electric water outlet valve are opened, sampling water enters the sampler and is detected by the sensor needing self cleaning, and the sampling water flows out of the electric water outlet valve and is detected by the sensor not needing self cleaning, so that the requirement of more comprehensive water quality detection is met, and the application range of the water quality detection system is widened.

5. Through the arrangement of the branch, when the branch valve is opened, the electric water inlet valve and the electric water outlet valve are closed, water at the water inlet can directly flow out from the water outlet pipe after passing through the branch valve, and the utility model has the advantages of being convenient to apply in environments with complex pipeline waterways such as circulating cooling water, swimming pool water, chilled water, air conditioning hot water, closed-circuit process cooling water, reverse osmosis water and the like, the original pipeline waterway can be replaced by the branch, and the circulation sampler with the self-cleaning function can be connected with the branch after replacement.

6. The utility model has the advantages of less equipment, simple installation and low cost, and solves a series of technical problems that the water quality sampler in the prior art cannot be self-cleaned, the sensor cannot be self-corrected, the loss ratio of the sensor cannot be prolonged, and the like.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a schematic structural diagram of embodiment 1 of the present utility model;

FIG. 2 is a schematic structural diagram of embodiment 2 of the present utility model;

Fig. 3 is a schematic structural diagram of embodiment 3 of the present utility model.

Wherein: 1. a water inlet; 2. electric water inlet valve; 3. a sampler; 4. ultrasonic cleaning of the shock; 5. an evacuation outlet; 6. an electric drain valve; 7. an electric water outlet valve; 8. a water outlet pipe; 9. a flow switch; 10. a pressure relief outlet; 11. an electric pressure relief valve; 12. an electric cleaning liquid injection valve; 13. a cleaning liquid injection pump; 14. a correction fluid injection pump; 15. a correction fluid injection pump; 16. an electric correction fluid injection valve; 17. a sensor connection interface; 18. an external sensor connection interface; 19. a branch pipe; 20. a bypass valve; 21. a sensor connection interface; 22. and a water outlet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Example 1

The embodiment provides a flow-through sampler with self-cleaning function, as shown in fig. 1, including: the ultrasonic cleaning device comprises a sampler 3, an electric water inlet valve 2, an ultrasonic cleaning vibrator 4, an electric emptying valve 6, an electric water outlet valve 7, a flow switch 9, an electric pressure relief valve 11, an electric cleaning liquid injection valve 12, a cleaning liquid injection pump 13, a correction liquid injection pump 14, an electric correction liquid injection valve 16 and a sensor connecting interface 17; the sampler 3 is provided with a water inlet 1, an emptying outlet 5, a cleaning fluid injection port, a correction fluid injection port and a water outlet 22, the water inlet 1 of the sampler 3 is connected with an electric water inlet valve 2, the emptying outlet 5 of the sampler 3 is connected with an electric emptying valve 6, the cleaning fluid injection port of the sampler 3 is respectively connected with one end of an electric pressure relief valve 11 and one end of an electric cleaning fluid injection valve 12 through a three-way pipe, the other end of the electric pressure relief valve 11 is connected with a pressure relief outlet 10, the other end of the electric cleaning fluid injection valve 12 is connected with a cleaning fluid injection pump 13, the correction fluid injection port of the sampler 3 is connected with one end of an electric correction fluid injection valve 16, the other end of the electric correction fluid injection valve 16 is connected with 1 or more correction fluid injection pumps 14, the water outlet 22 of the sampler 3 is connected with one end of an electric water outlet valve 7, the other end of the electric water outlet valve 7 is connected with one end of a flow switch 9, the other end of the flow switch 9 is connected with a water outlet pipe 8, the bottom of the sampler 3 is provided with an ultrasonic cleaning vibrator 4, and the upper part of the sampler 3 is provided with a plurality of sensor connection interfaces 17.

The number of the sensor connection interfaces 17 is 1 or more, the number can be determined according to the water quality detection requirement, and the sensor connection interfaces 17 and 21 with 2 different types shown in fig. 1 can be set according to the requirement.

The number of ultrasonic cleaning jars 4 in the present utility model is 1 or more than 1.

The utility model also comprises a controller which is electrically connected with the electric water inlet valve 2, the ultrasonic cleaning vibrator 4, the electric emptying valve 6, the electric water outlet valve 7, the flow switch 9, the electric pressure relief valve 11, the electric cleaning liquid injection valve 12, the cleaning liquid injection pump 13, the correction liquid injection pump 14 and the electric correction liquid injection valve 16. The controller controls the device to be opened or closed, and all valves and pumps are defaulted to be closed.

Working principle:

1. Under normal operation state, before water quality sampling detection, 1 or more sensors for detecting water quality can be respectively connected into the sampler through the sensor connection interface 17 or the sensor connection interface 21. When the water quality detection device is operated, the electric water inlet valve 2 and the electric water outlet valve 7 are opened, sampling water flows into the sampler 3 from the electric water inlet valve 2 through the water inlet 1, flows out from the electric water inlet valve 2 through the water outlet 22 of the sampler 3, flows out from the water outlet pipe 8 after the size of the flowing out sampling water is regulated through the flow switch 9, and the sensor transmits detected water quality data to the water quality detector through a circuit or a wireless communication technology to carry out water quality detection on the sampling water in the sampler.

The utility model can also be used for sealing the connecting interfaces 21 of the sensors without accessing the sensors, and then opening the electric water inlet valve 2 and the electric water outlet valve 7, so that after the sampler 3 is filled with water, the electric water inlet valve 2 and the electric water outlet valve 7 are closed, the whole sampler can be taken as a sample reserving bottle after being disassembled and sealed, and the utility model needs to be interpreted that each opening of the sampler 3 is provided with a valve, and the whole sampler can be sealed after the valve is closed, thereby being convenient for transportation and storage.

2. The self-cleaning process is as follows:

1) The electric water inlet valve 2 and the electric water outlet valve 7 are closed, the electric pressure relief valve 11 and the electric emptying valve 6 are opened, and the sampling water in the sampler is emptied.

2) Closing the electric pressure release valve 11 and the electric emptying valve 6, opening the electric cleaning liquid injection valve 12, starting the cleaning liquid injection pump 13, injecting the cleaning liquid into the collector 3, closing the cleaning liquid injection pump 13 after filling, soaking for a certain time (usually 10 minutes, the soaking time can be flexibly adjusted), and starting the ultrasonic cleaning vibrator 4 to clean the collector 3 and the accessed sensor.

3) After cleaning, the ultrasonic cleaning vibrator 4 and the electric cleaning liquid injection valve 12 are closed, the electric pressure relief valve 11 and the electric evacuation valve 6 are opened, and the cleaning liquid in the sampler is evacuated.

4) Closing the electric emptying valve 6, opening the electric water inlet valve 2, closing the electric water inlet valve 2 after the collector 3 is filled with water, opening the electric emptying valve 6, emptying water, repeating 4), and repeatedly flushing the collector 3 and the sensor with water.

After the self-cleaning flow is adopted, the self-cleaning device can automatically clean on site, the accuracy of water quality detection is greatly improved, and the self-cleaning sampler can be rapidly applied to other water quality detection, so that the convenience of use and the wide applicability are improved.

3. The correction flow using 2 correction fluid infusion pumps is as follows:

1) And closing the electric water inlet valve 2 and the electric water outlet valve 7, and opening the electric pressure relief valve 11 and the electric emptying valve 6 to empty the water in the sampler.

2) Closing the electric pressure release valve 11 and the electric evacuation valve 6, opening the electric correction fluid injection valve 16, starting the correction fluid injection pump 14, injecting the correction fluid a, after soaking for 1 minute, closing the electric correction fluid injection valve 16, opening the electric pressure release valve 11 and the electric evacuation valve 6, evacuating the correction fluid 1, repeating 2) a plurality of times.

3) Closing the electric pressure release valve 11 and the electric evacuation valve 6, opening the electric correction fluid injection valve 16 to start the correction fluid injection pump 15, injecting the correction fluid b, after soaking for 1 minute, closing the electric correction fluid injection valve 16, opening the electric pressure release valve 11 and the electric evacuation valve 6, evacuating the correction fluid 2, repeating 3) a plurality of times.

4) The electric relief valve 11 and the electric emptying valve 6 are closed, the electric water inlet valve 2 and the electric water outlet valve 7 are started, and normal operation is restored.

5) The self-cleaning process can be restarted and cleaned as needed.

The correction flow adopted by the utility model can correct the probe of the sensor, thereby ensuring the detection precision of the sensor, reducing the loss of the sensor, prolonging the service life of the sensor and reducing the cost.

Example 2

The difference between this embodiment and embodiment 1 is that the other end of the electric outlet valve 7 is also connected to an external sensor connection interface 18 as shown in fig. 2.

Because some water quality sensors cannot be self-cleaned, the utility model is provided with an external sensor connection interface 18, and the external sensor connection interface 18 is connected with a sensor which does not need self-cleaning. The sensor connection interface 17 is connected to a sensor that needs self-cleaning.

When water quality detection is needed, the electric water inlet valve 2 and the electric water outlet valve 7 are opened, sampling water enters the sampler and is detected by a sensor needing self-cleaning, and the sampling water flows out of the electric water outlet valve 7 and is detected by a sensor not needing self-cleaning, so that the requirement of more comprehensive water quality detection is met, and the application range of the utility model is enlarged.

Example 3

This embodiment differs from embodiment 1 in that the water inlet 1 is also connected to the water outlet pipe 8 via a bypass valve 20 and a bypass, as shown in fig. 3.

According to the utility model, through the arrangement of the branch 19, when the branch valve 20 is opened, the electric water inlet valve 2 and the electric water outlet valve 7 are closed, water at the water inlet 1 can flow out of the water outlet pipe 8 directly through the branch valve 20, and the utility model is convenient to apply in environments with complex pipeline waterways such as circulating cooling water, swimming pool water, chilled water, air-conditioning hot water, closed-circuit process cooling water, reverse osmosis water and the like, the original pipeline waterway can be replaced by the branch 19, after replacement, the circulation sampler with the self-cleaning function can be connected with the branch 19, when water quality detection is not carried out, the branch valve 20 is opened, the electric water inlet valve 2 and the electric water outlet valve 7 are closed, normal circulation of the pipeline waterway is not influenced, when water quality detection is carried out, the branch valve 20 is closed, the electric water inlet valve 2 and the electric water outlet valve 7 are opened, and normal movement of water quality detection is ensured.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A flow-through sampler with self-cleaning function, comprising: the device comprises a sampler, an electric water inlet valve, an ultrasonic cleaning vibrator, an electric emptying valve, an electric water outlet valve, a flow switch, an electric pressure relief valve, an electric cleaning liquid injection valve, a cleaning liquid injection pump, a correction liquid injection pump, an electric correction liquid injection valve and a sensor connecting interface; the sampler is provided with a water inlet, an emptying outlet, a cleaning fluid injection opening, a correction fluid injection opening and a water outlet, the water inlet of the sampler is connected with an electric water inlet valve, the emptying outlet of the sampler is connected with an electric emptying valve, the cleaning fluid injection opening of the sampler is respectively connected with one end of an electric pressure relief valve and one end of an electric cleaning fluid injection valve through a three-way pipe, the other end of the electric pressure relief valve is connected with a pressure relief outlet, the other end of the electric cleaning fluid injection valve is connected with a cleaning fluid injection pump, the correction fluid injection opening of the sampler is connected with one end of the electric correction fluid injection valve, the other end of the electric correction fluid injection valve is connected with one end of an electric water outlet valve, the other end of the electric water outlet valve is connected with one end of a flow switch, the other end of the flow switch is connected with a water outlet pipe, the bottom of the sampler is provided with an ultrasonic cleaner, and the upper part of the sampler is provided with a plurality of sensor connection interfaces.

2. The flow-through sampler with self-cleaning function according to claim 1, wherein the other end of the electric outlet valve is also connected with an external sensor connection interface.

3. The self-cleaning flow-through sampler of claim 2, wherein the external sensor connection interface is connected to a sensor that does not require self-cleaning.

4. The self-cleaning flow-through sampler of claim 1, wherein the sensor connection interface is connected to a sensor requiring self-cleaning.

5. The self-cleaning flow-through sampler of claim 1, wherein the water inlet is further connected to the water outlet pipe through a bypass valve and a bypass.

6. The self-cleaning flow-through sampler of claim 1, wherein the number of sensor connection interfaces is 1 or more.

7. The self-cleaning flow-through sampler of claim 1, wherein the number of ultrasonic cleaning vibrators is 1 or more.

8. The flow-through sampler with self-cleaning function of claim 1, further comprising a controller electrically connected to the electrically powered water inlet valve, the ultrasonic cleaning vibrator, the electrically powered evacuation valve, the electrically powered water outlet valve, the flow switch, the electrically powered pressure relief valve, the electrically powered cleaning fluid injection valve, the cleaning fluid injection pump, the correction fluid injection pump, and the electrically powered correction fluid injection valve.