CN219038812U - Water quality detection module - Google Patents
Water quality detection module Download PDFInfo
- Publication number
- CN219038812U CN219038812U CN202222473356.XU CN202222473356U CN219038812U CN 219038812 U CN219038812 U CN 219038812U CN 202222473356 U CN202222473356 U CN 202222473356U CN 219038812 U CN219038812 U CN 219038812U
- Authority
- CN
- China
- Prior art keywords
- water quality
- test paper
- water
- electromagnetic valve
- storage cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a water quality detection module, which comprises a connecting water pipe, a pressure reducing electromagnetic valve and a water quality detection box which are sequentially connected; the water inlet pipe of the water quality detection box is connected with the water inlet pipe of the water quality detection box through a first connecting end, a second connecting end and a pressure reducing electromagnetic valve. The water quality detection module is characterized by comprising 3 modularized components; through setting up the decompression solenoid valve for the internal diameter of its first link is greater than the internal diameter of its second link, lets the decompression solenoid valve like this can fully decompress, ensures that the water sample of extraction is the latest quality of water, and the quality of water that gets into from the second solenoid valve like this is the extraction water sample.
Description
Technical Field
The utility model belongs to the technical field of water quality detection, and particularly relates to a water quality detection module.
Background
Along with the development of society, people pay more and more attention to the health of drinking water, and a certain doubt exists on whether the quality of water is qualified or not. The equipment available in the market at present for household water quality detection almost has a single-parameter test solution box or a test pen, and the multifunctional water quality detector is a large and expensive laboratory instrument for laboratory research or some aquaculture. The water quality detector for aquaculture adopts photoelectric colorimetric principle, applies reagent, and digital displays ammonia nitrogen, dissolved oxygen, nitrite equivalent after water sample is put into reagent for reaction for several minutes, and the reagent is packaged into dripping bottle or vacuum package, which is suitable for quantitative measurement in laboratory or field. The defects are complex detection and high instrument price.
At present, the method for detecting chloride ions in drinking water adopts a chemical titration method, the obtained precipitate is dried, the quality of the precipitate, namely the quality of AgCl, is measured, and then the quality and the quantity of substances of chlorine elements contained in the obtained waste water, namely the quality and the quantity of substances of chloride ions, can be obtained. The method is only suitable for laboratory use, and the detection process is quite complex.
Disclosure of Invention
The utility model aims to provide a water quality detection module which is modularized and small in size and is suitable for daily use.
The utility model provides a water quality detection module, which comprises a connecting water pipe, a pressure reducing electromagnetic valve and a water quality detection box which are sequentially connected; the water quality detection box comprises a water quality detection box, a water inlet pipe, a water outlet pipe, a water quality detection box and a pressure reducing electromagnetic valve, wherein one end of the water inlet pipe is connected with a water pipe of a required detection area, the pressure reducing electromagnetic valve is provided with a first connecting end to be connected with the water inlet pipe, and the other end of the pressure reducing electromagnetic valve is provided with a second connecting end to be connected with the water inlet pipe of the water quality detection box.
Preferably, an explosion-proof electromagnetic valve is further arranged between the pressure reducing electromagnetic valve and the connecting water pipe, and the explosion-proof electromagnetic valve is connected to the pressure reducing electromagnetic valve through the first connecting end.
Preferably, the water quality detection box comprises a detection cavity, and is characterized in that:
the detection cavity is provided with a liquid inlet pipeline, a microfluidic pump is arranged on the liquid inlet pipeline, the liquid inlet pipeline forms a sample dropping port through the microfluidic pump, and a color identification sensor is arranged on one side of the sample dropping port;
the detection test paper is arranged below the sample dropping port, one end of the detection test paper is provided with a driving mechanism, and the driving mechanism drives the detection test paper to move to the lower side of the color identifier after the sample dropping port drops the sample.
Preferably, the test paper is arranged in a test paper detection box, the test paper detection box comprises an untested paper storage cavity and a tested paper storage cavity which are arranged side by side, one end of untested paper is arranged in the untested paper storage cavity in a reel manner, and the other end of untested paper extends from an outlet of the untested paper storage cavity to the tested paper storage cavity to form a tested test paper reel.
Preferably, the independent test paper detection box is detachably arranged on the water quality detection box.
Preferably, the untested paper storage cavity is provided with a sealing strip, the sealing strip is of an elastic structure and is arranged above an outlet of the untested paper storage cavity;
the water quality detection box further comprises a linear motor, and the linear motor is arranged above the sealing strip.
Preferably, the driving mechanism comprises a second test paper driving motor; and the second test paper driving motor drives the tested test paper reel.
The driving mechanism further comprises a first driving motor, and the first test paper driving motor drives the non-test paper reel.
Preferably, the untested paper storage cavity and the tested paper storage cavity are both internally provided with drying agents.
Preferably, the liquid inlet pipeline forms a sample dripping pipeline and a waste liquid pipeline after passing through the microfluidic pump, the sample dripping pipeline is provided with a first electromagnetic valve, and the waste liquid pipeline is provided with a second electromagnetic valve; the waste liquid pipeline is connected with the waste liquid box through a second electromagnetic valve.
The water quality detection module provided by the utility model comprises 3 modularized components: the explosion-proof electromagnetic valve, the pressure-reducing electromagnetic valve and the water quality detection box are used for detecting water quality; the inner diameter of the first connecting end of the pressure reducing electromagnetic valve is larger than that of the second connecting end of the pressure reducing electromagnetic valve, so that the front waterway (namely the first connecting end) of the pressure reducing electromagnetic valve is fully subjected to pressure reducing mixing, the extracted water sample is ensured to be the latest water quality, and the water quality entering from the second electromagnetic valve is the extracted water sample; the utility model has small volume and convenient installation and use.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic diagram of a water quality testing module according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a pressure reducing solenoid valve of a water quality testing module according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a water quality testing cassette of a water quality testing module according to an embodiment of the present utility model with a cover removed;
FIGS. 4 and 5 are schematic views of a water quality testing cassette of a water quality testing module according to an embodiment of the present utility model, with a cassette body and a cover removed;
FIG. 6 is a schematic diagram of a test paper of a water quality testing module according to an embodiment of the present utility model;
FIG. 7 is a schematic representation of conventional water quality indicators and limit comparisons;
fig. 8 is a schematic structural diagram of the test paper cartridge using the novel test paper.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The water quality detection module is suitable for heavy metal detection of household and office drinking water pipelines.
As shown in fig. 1, the water quality detection module includes a connection water pipe 10, an explosion-proof solenoid valve 20, a pressure-reducing solenoid valve 30, and a water quality detection box 40, which are sequentially connected. One end of the connecting water pipe 10 is connected with a water pipe of a required detection area, and the other end of the connecting water pipe 10 is connected with an explosion-proof electromagnetic valve 20.
After the valve of the explosion-proof electromagnetic valve 20 is electrified and opened, water flow can flow through the explosion-proof electromagnetic valve, so that the phenomenon of water pipe explosion under the sudden condition of excessive water pipe pressure is prevented.
After the valve of the pressure reducing solenoid valve 30 is opened by energization, water flows through the valve to reduce the water pressure from the normal water pressure to the water pressure required before the tap water enters the water quality detecting box 40.
In other embodiments, only the connection water pipe 10, the pressure reducing solenoid valve 30, and the water quality detecting cartridge 40 may be provided. The one end of the connecting water pipe 10 is connected with a water pipe of a required detection area, the pressure reducing electromagnetic valve 30 is provided with a first connecting end and connected with the connecting water pipe, the other end of the pressure reducing electromagnetic valve is provided with a second connecting end and connected with a liquid inlet pipeline of the water quality detection box, and the inner diameter of the first connecting end is not smaller than that of the second connecting end. The first connecting end is generally larger in inner diameter than the second connecting end, so that the pressure reduction is more smooth.
In this embodiment, optionally, the explosion-proof electromagnetic valve 20 and the pressure reducing electromagnetic valve 30 are provided with marks of water flow detection directions, and the arrows shown in fig. 1 are marks of water flow detection directions on the explosion-proof electromagnetic valve 20 and the pressure reducing electromagnetic valve 30. The installation is convenient for the user.
As shown in fig. 2, the pressure reducing solenoid valve 30 includes a first connection end 31 connected to the explosion-proof solenoid valve 20, a second connection end 32 connected to the water quality detecting box 40, and a solenoid valve main body 33 connected to both the first connection end 31 and the second connection end 32, wherein an inner diameter of the first connection end 31 is not less than 2 times an inner diameter of the second connection end 32. In other embodiments, the first connecting end 31 is not smaller than the inner diameter of the second connecting end.
During each detection, the explosion-proof electromagnetic valve 20 is opened for a period of time in advance, and the inner diameter of the first connecting end 31 of the pressure-reducing electromagnetic valve 30 is larger than the inner diameter of the second connecting end 32 of the pressure-reducing electromagnetic valve 30, so that water in a waterway (namely the first connecting end 31) in front of the pressure-reducing electromagnetic valve 30 is fully depressurized and mixed, the extracted water sample is ensured to be the latest water quality, and the water quality entering from the second electromagnetic valve 30 is the extracted water sample.
During detection, water enters the water quality detection box 40 for heavy metal detection after passing through the connecting water pipe 10 and sequentially passing through the explosion-proof electromagnetic valve 20 and the pressure reducing electromagnetic valve 30.
As shown in fig. 3 to 6, the water quality testing cartridge 40 includes a cartridge body 41, a cover body 42, a waste liquid cartridge 43, a first test paper driving motor 44, an untested paper storage chamber 491 connected to the first test paper driving motor 44 and having a circular shape, a second test paper driving motor 45, a tested paper storage chamber 492 connected to the second test paper driving motor 45 and having a roll shape, a connection test paper 493 connected between the untested paper storage chamber 491 and the tested paper storage chamber 492, a first electromagnetic valve 46, a second electromagnetic valve 47 connected to the first electromagnetic valve 46 and connected to the waste liquid cartridge 43, a micro-fluid pump 48 connected between the first electromagnetic valve 46 and the second electromagnetic valve 47 and connected to the pressure reducing electromagnetic valve 30, a sample drop port 49 connected to the first electromagnetic valve 46 and located on the connection test paper 493, a linear motor 494, and a sealing strip 498 connected to the linear motor 494, wherein the sealing strip can be made of soft, elastic material can be used to move up and down to seal the sealing strip with the outer side wall of the cavity to be tested, so that water vapor is prevented from entering; the water quality detection box also comprises a color recognition sensor 495 which is fixed on the inner wall of the box body 41 and is positioned above the connection test paper 493; wherein the sealing strip seals the untested paper storage cavity 491; the color recognition sensor 495 is disposed near the sample drop port 49.
In other embodiments, the test strip cartridge 50 may be formed as a single removable cartridge that is positioned within the water quality testing cartridge such that the test strip cartridge may be replaced directly when the test strip reel is exhausted. The test paper detection box can be internally provided with a dry reagent, so that inaccurate detection results caused by the fact that water vapor enters the untested paper storage cavity and the tested paper storage cavity are prevented.
The micro-flow pump 48 is also provided with a water flow detection direction mark, and the arrow shown in fig. 5 is a water flow detection direction mark on the micro-flow pump 48.
In this embodiment, the first electromagnetic valve 46 is horizontal, the second electromagnetic valve 47 is vertical, and in other embodiments, the first electromagnetic valve 46 and the second electromagnetic valve 47 may be disposed at other positions to achieve the same function.
The connection paper 493 is actually a test paper, but in order to better explain the working principle of the paper box, the non-test paper roll 4911, the connection paper 493 and the tested paper roll 4912 are described in sections, the connection paper 493 is horizontal, and the first test paper driving motor 44 drives the non-test paper roll 4911 in the non-test paper storage cavity 491 to move to the position where the connection paper 493 is located to form the connection paper 493; when tested, the connecting paper 493 is driven by the second paper drive motor 45 and rolled into the tested paper storage chamber 492 to form a tested paper roll 4912. The walls of the tested paper storage chamber extend below the sample drop opening 49 and streamline to the bottom wall of the tested paper storage chamber, a waste water box 499 is arranged below the bottom wall 492 of the tested paper storage chamber, and when the sample is dropped, if redundant liquid exists, the redundant liquid can drop to the walls of the tested paper storage chamber below the sample drop opening through the test paper, and remain to the bottom wall of the tested paper storage chamber along the walls, and enter the waste water box 499. Preventing continuous water accumulation in the test paper detection box.
The waste liquid box 43, the first test paper driving motor 44, the untested paper storing cavity 491, the second test paper driving motor 45, the tested paper storing cavity 492, the connection test paper 493, the first electromagnetic valve 46, the second electromagnetic valve 47, the connection of the connection test paper 493, the sample dropping opening 49, the linear motor 494, the sealing strip and the color recognition sensor 495 are all positioned in the box body 41, and the cover body 42 covers the box body 41.
After the water sample is extracted, the explosion-proof electromagnetic valve 20 and the decompression electromagnetic valve 30 are closed; then the first electromagnetic valve 46 is opened and the second electromagnetic valve 47 is closed, and the micro-flow pump 48 conveys the extracted water sample to the sample dropping port 49 above the connection test paper 493 through the first electromagnetic valve 46; after the sample dripping is completed, the first electromagnetic valve 46 is closed, the second electromagnetic valve 47 is opened, and the microfluidic pump 48 discharges the water sample which does not participate in detection in the pipeline into the waste liquid box 43.
When detection is started, the first test paper driving motor 44 drives the non-test paper reel 4911 in the non-test paper storage cavity 491 to rotate, a water sample to be detected is dripped into a reagent strip on the connection test paper 493 from the sample dripping port 49 to react with the reagent for color development, the color recognition sensor 495 recognizes the color change to output a result, and after detection is finished, the second test paper driving motor 45 drives the connection test paper 493 which is finished to be detected to the tested paper storage cavity 492; when not detected, the linear motor 494 drives the resilient seal strip closed, preventing moisture from entering the untested paper storage cavity 491.
Table 1 is the result output by the color recognition sensor 495 for recognizing the color change:
table 1 detectable value/color change contrast
From table 1, the lead and mercury contents can be found.
The data of Table 1 were then compared to conventional indicators and limits for water quality, as shown in FIG. 7.
The power supply voltage required by the water quality detection module can be customized to 5-12V; by adopting the design of replaceable consumable materials, only 50uL of liquid is needed for single detection, no waste liquid is generated, and a result is obtained after 60 seconds.
Lead measuring range is 0-1.0mg/L, and the minimum measured value is 0.005mg/L;
the mercury measurement range is 0-0.15mg/L, and the minimum measured value is 0.001mg/L.
The water quality detection module is not limited to water quality heavy metal detection, and can detect all components in water which can be detected by test paper, namely, the rapid water quality heavy metal detection can be realized by the built-in micro-flow pump and the color recognition sensor.
The water quality detection box is based on a microfluidic technology, and is small in size; by the built-in micro-flow pump and the color recognition sensor, rapid water quality detection can be realized; the modular design integrates a color recognition sensor; the existing pipeline can be directly accessed, and the flow is not affected; micro-detection, wherein the liquid amount for single detection is only 50uL; the detection speed is high, and the single detection is not more than 60s; low power consumption, about 340mA peak current; the consumable is replaceable, and a single consumable can be detected 30 times.
The water quality detection module provided by the utility model comprises 3 modularized components: the explosion-proof electromagnetic valve, the pressure-reducing electromagnetic valve and the water quality detection box are used for detecting water quality; the inner diameter of the first connecting end of the pressure reducing electromagnetic valve is larger than that of the second connecting end of the pressure reducing electromagnetic valve, so that water in a waterway (namely the first connecting end) in front of the pressure reducing electromagnetic valve is fully mixed, the extracted water sample is ensured to be the latest water quality, and the water quality entering from the second electromagnetic valve is the extracted water sample; the utility model has small volume and convenient installation and use.
The above disclosure is only a preferred embodiment of the present utility model, and it should be understood that the scope of the utility model is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present utility model.
Claims (9)
1. A water quality detection module is characterized in that,
the device comprises a connecting water pipe, a pressure reducing electromagnetic valve and a water quality detection box which are connected in sequence; the water inlet pipe of the water quality detection box is connected with the water inlet pipe of the water quality detection box through a first connecting end, a second connecting end and a pressure reducing electromagnetic valve.
2. The water quality detection module according to claim 1, wherein an explosion-proof solenoid valve is further provided between the pressure-reducing solenoid valve and the connection water pipe, and the explosion-proof solenoid valve is connected to the pressure-reducing solenoid valve through the first connection end.
3. The water quality testing module of claim 1, wherein the water quality testing cartridge comprises a testing chamber, and wherein:
the detection cavity is provided with a liquid inlet pipeline, a microfluidic pump is arranged on the liquid inlet pipeline, the liquid inlet pipeline forms a sample dropping port through the microfluidic pump, and a color identification sensor is arranged on one side of the sample dropping port;
the detection test paper is arranged below the sample dropping port, one end of the detection test paper is provided with a driving mechanism, and the driving mechanism drives the detection test paper to move to the lower side of the color identifier after the sample dropping port drops the sample.
4. A water quality testing module according to claim 3, wherein the test paper is disposed in a test paper detection box, the test paper detection box comprises a non-test paper storage cavity and a tested paper storage cavity which are arranged side by side, one end of the non-test paper is arranged in the non-test paper storage cavity in a reel manner, and the other end of the non-test paper extends from an outlet of the non-test paper storage cavity to the tested paper storage cavity to form a tested test paper reel.
5. The water quality testing module of claim 4, wherein the test strip cartridge is removably disposed within the water quality testing cartridge.
6. The water quality testing module of claim 4, wherein: the untested paper storage cavity is provided with a sealing strip which is of an elastic structure and is arranged above an outlet of the untested paper storage cavity;
the water quality detection box further comprises a linear motor, and the linear motor is arranged above the sealing strip.
7. The water quality testing module of claim 4, wherein: the driving mechanism comprises a second test paper driving motor; the second test paper driving motor drives the tested test paper reel;
the driving mechanism further comprises a first test paper driving motor, and the first test paper driving motor drives the non-test paper reel.
8. The water quality testing module of claim 4, wherein: and drying agents are arranged in the untested paper storage cavity and the tested paper storage cavity.
9. A water quality testing module according to claim 3, wherein: the liquid inlet pipeline passes through the microfluidic pump to form a sample dripping pipeline and a waste liquid pipeline, a first electromagnetic valve is arranged on the sample dripping pipeline, and a second electromagnetic valve is arranged on the waste liquid pipeline; the waste liquid pipeline is connected with the waste liquid box through a second electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222473356.XU CN219038812U (en) | 2022-09-19 | 2022-09-19 | Water quality detection module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222473356.XU CN219038812U (en) | 2022-09-19 | 2022-09-19 | Water quality detection module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219038812U true CN219038812U (en) | 2023-05-16 |
Family
ID=86314878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222473356.XU Active CN219038812U (en) | 2022-09-19 | 2022-09-19 | Water quality detection module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219038812U (en) |
-
2022
- 2022-09-19 CN CN202222473356.XU patent/CN219038812U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5817954A (en) | Automated analyzing apparatus for measuring water quality with a cylinder-shaped syringe unit | |
| US7556773B2 (en) | Analyzer device and method | |
| US20120003124A1 (en) | Chemical analyser | |
| CN105890927A (en) | Urine analysis system and method | |
| TW200632315A (en) | Cartridge for containing and dispensing test sensors | |
| CN106442493A (en) | Low-concentration ammonia nitrogen detection method and device for gathered ammonia gas | |
| US6139801A (en) | Gas collecting apparatus | |
| CA2637199A1 (en) | Method and apparatus for analyzing arsenic concentrations using gas phase ozone chemiluminescence | |
| CN203772794U (en) | Portable PH meter calibration device | |
| CN112903612A (en) | Online analyzer for anionic surfactant | |
| CN210243639U (en) | Water quality monitoring device | |
| CN219038812U (en) | Water quality detection module | |
| CN219799244U (en) | Water quality detection box | |
| AU734428B2 (en) | Method for analyzing formaldehyde in ambient air | |
| CN112730546A (en) | Portable flue gas analysis device | |
| CN211122549U (en) | Medical institution waste water ammonia nitrogen detection device | |
| CN115711878A (en) | Water quality detection method | |
| JP2013545091A (en) | Online titration in a switching device | |
| CN1971264A (en) | Automatic deoxidization, liquid feeding and stirring control device for titration solvent | |
| CN207336102U (en) | Fecal sample quantitative collection device | |
| JP2001318057A (en) | Residual chlorine measuring method and its device | |
| CN206460030U (en) | The integrated automonitor of city black and odorous water | |
| CN208206945U (en) | A kind of Novel sewage detection of organic pollutants analyzer | |
| CN204924924U (en) | Online cyanide water quality analyzer | |
| CN2898822Y (en) | Automatic deoxidization, liquid feeding and stirring control device for titration solvent |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |