Water quality detection device based on flow sensor
By designing a water quality detection device based on flow sensors, the existing moisture detection technology is complicated and error problems, and rapid and accurate moisture and heavy metal detection is achieved.
Patent Information
- Application Number
- CN202421494076.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-06-27
AI Technical Summary
The existing moisture detection technology is cumbersome, the device is huge, it is not portable, and there are errors in sampling and detection.
A water quality detection device based on flow sensor is designed, including a housing, display screen, operating board, battery, detection circuit board, collector and transmission line. It adopts a capacitive detection sensor and a detection protective layer with nano-through holes to achieve rapid detection of moisture and heavy metals.
It realizes simple operation, convenient use, direct sampling and docking of detection objects, saves time and effort, and makes the data more realistic and reduces detection errors.
Smart Images
Figure CN222979515U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of water quality detection, and particularly relates to a water quality detection device based on a flow sensor. Background Art
[0002] Water (chemical formula H2O) is an inorganic substance composed of hydrogen and oxygen elements. It is non-toxic and drinkable. It is a colorless, odorless, and transparent liquid under normal temperature and pressure, and is called the source of human life. It is an important substance to maintain life and is also called hydrogen oxide. Water is one of the most common substances on the earth, and about 71% of the earth's surface is covered by water. It is an important resource for the survival of all life, including inorganic compounds and humans, and is also the most important component of organisms. With people's living and production activities, more and more fresh water is polluted to varying degrees. Some are due to the excessive content of heavy metal ions, and some are due to the excessive concentration of microorganisms, etc. For such polluted water, it is difficult for people to observe its pollution degree. The existing water detection technologies on the market are too cumbersome, and the detection equipment is large. Some even require sampling and taking it back to the laboratory for testing, which will be time-consuming and laborious, and there will also be detection errors, etc.
[0003] Therefore, in view of the above problems, the existing water detection technologies need to be further improved. Summary of the Utility Model
[0004] The purpose of the utility model is to overcome the problems existing in the existing water detection, such as cumbersome detection, large device, inconvenient to carry, and sampling detection errors, etc. Through the rational design of the detection technology, by using a housing, a display screen, an operation panel, a storage battery, a detection circuit board, a collector, and a transmission line, it can achieve simple operation, convenient use, direct sampling and docking with the detection object, etc., which can save time and effort, and the data is more real, etc.
[0005] The technical solution of the utility model is specifically as follows:
[0006] A water quality detection device based on a flow sensor, the water quality detection device includes: a housing, a display screen, an operation panel, a storage battery, a detection circuit board, a collector, and a transmission line. The display screen and the operation panel are installed on the housing. One end of the housing is installed with the transmission line, and one end of the transmission line is installed with the collector. The collector is used for collecting and storing water samples. The detection circuit board and the storage battery are installed in the housing. The detection circuit board is electrically connected to the storage battery, the display screen, the operation panel, and the collector respectively. The storage battery is used to supply power to the detection circuit board. The operation panel is used to operate the detection circuit board. The collector transmits the collected detection signal to the detection circuit board through the transmission line. The display screen is used to display the data of the detection circuit board.
[0007] Further, the housing selects a plastic housing.
[0008] Further, the collector includes a collection housing and a detection sensor. The detection sensor is installed inside the collection housing, and the detection sensor is electrically connected to the detection circuit board through a transmission line.
[0009] Further, the collection housing is selected as a groove-shaped collection housing, and the detection sensor is installed in the groove.
[0010] Further, the collection housing is selected as a circular collection housing, a square collection housing, or an oval collection housing.
[0011] Further, the detection sensor includes a protective layer, an electrode layer, a conductive layer, a dielectric layer, and a substrate layer. The dielectric layer is provided on the substrate layer, the conductive layer is provided on the dielectric layer, the electrode layer is provided on the conductive layer, the protective layer is provided on the electrode layer. The electrode layer separates a first electrode and a second electrode, the conductive layer separates a first conductor and a second conductor, and the first electrode and the second electrode are respectively electrically connected to the detection circuit board.
[0012] Further, the protective layer is selected as a protective layer made of PDMS (polydimethylsiloxane).
[0013] Further, a plurality of tiny through holes are provided on the protective layer, and the through holes are used to communicate the dielectric layer with the outside.
[0014] Further, the through holes are uniformly distributed in a matrix on the protective layer.
[0015] Further, the conductive layer is selected as a conductive layer made of metallic silver.
[0016] Further, the dielectric layer includes a polyimide layer and a graphene layer. The polyimide layer is provided on the substrate layer, the graphene layer is provided on the polyimide layer, and the conductive layer is provided on the graphene layer.
[0017] Further, the substrate layer is selected as a substrate layer made of glass.
[0018] Advantageous Effects
[0019] Through rational design of the detection technology, the present utility model adopts a housing, a display screen, an operation panel, a storage battery, a detection circuit board, a collector, and a transmission line, which can achieve simple operation, convenient use, direct sampling and docking with the detection object, etc., saving time and effort, and making the data more real. By adopting a capacitive detection sensor, the dielectric parameters of the capacitor can be changed by moisture, and then the capacitance induction signal can be changed. Through background data processing and analysis, the moisture and heavy metal content, etc. can be obtained; through the detection protective layer with nano through holes, moisture can be introduced onto the dielectric layer to give the detection sensor for moisture and heavy metal detection, etc. Brief Description of the Drawings
[0020] Figure 1 It is a schematic structural diagram of a water quality detection device based on a flow sensor of the present utility model.
[0021] Figure 2 It is a schematic layer structure diagram of a detection sensor of a water quality detection device based on a flow sensor of the present utility model.
[0022] Figure 3 It is a schematic partial layer structure diagram of a detection sensor of a water quality detection device based on a flow sensor of the present utility model.
[0023] Reference numerals in the drawings: 01, housing; 02, transmission line; 03, display screen; 04, collection housing; 05, detection sensor; 06, operation panel; 51, through hole; 52, protective layer; 57, electrode layer; 56, conductive layer; 55, graphene layer; 54, polyimide layer; 53, substrate layer. Detailed Description of the Preferred Embodiment
[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0025] Refer to Figures 1-3 As shown, a water quality detection device based on a flow sensor provided by the present utility model includes: a housing 01, a display screen 03, an operation panel 06, a storage battery (not shown in the figure), a detection circuit board (not shown in the figure), a collector, and a transmission line 02. The housing 01 is a housing made of plastic material;
[0026] Among them, a display screen 03 and an operation panel 06 are installed on the housing 01. One end of the housing 01 is installed with a transmission line 02. One end of the transmission line 02 is installed with a collector, which is used to collect and store water samples. A detection circuit board and a storage battery are installed in the housing 01. The detection circuit board is electrically connected to the storage battery, the display screen 03, the operation panel 06, and the collector respectively. The storage battery is used to supply power to the detection circuit board. The operation panel 06 is used to operate the detection circuit board. The collector transmits the collected detection signal to the detection circuit board through the transmission line 02. The display screen 03 is used to display the data of the detection circuit board;
[0027] Among them, the collector includes a collection shell 04 and a detection sensor 05. The detection sensor 05 is installed inside the collection shell 04, and the detection sensor 05 is electrically connected to the detection circuit board through a transmission line 02. The collection shell 04 is a groove-shaped collection shell, and the detection sensor 05 is installed in the groove. The collection shell 04 is a circular collection shell, and the detection sensor 05 is a circular detection sensor.
[0028] Among them, the detection sensor 05 includes a protective layer 52, an electrode layer 57, a conductive layer 56, a dielectric layer, and a substrate layer 53. A dielectric layer is provided on the substrate layer 53, a conductive layer 56 is provided on the dielectric layer, an electrode layer 57 is provided on the conductive layer 56, a protective layer 52 is provided on the electrode layer 57. The electrode layer 57 separates a first electrode and a second electrode, the conductive layer 56 separates a first conductor and a second conductor, and the first electrode and the second electrode are respectively electrically connected to the detection circuit board.
[0029] Among them, the protective layer 52 is a protective layer made of PDMS (polydimethylsiloxane) material. A number of tiny through holes 51 are provided on the protective layer 52, and the through holes 51 are used to connect the dielectric layer to the outside. The through holes 51 are evenly distributed in a matrix on the protective layer 52. The conductive layer 56 is a conductive layer made of silver metal. The dielectric layer includes a polyimide layer 54 and a graphene layer 55. A polyimide layer 54 is provided on the substrate layer 53, a graphene layer 55 is provided on the polyimide layer 54, and a conductive layer 56 is provided on the graphene layer 55. The substrate layer 53 is a substrate layer made of glass material.
[0030] Specific embodiments of the present utility model: Assemble the detection device. Among them, the housing is made by injection molding of upper and lower housings, and the upper and lower housings are fastened and connected by screws; a cavity is formed inside, and the detection circuit board and the storage battery (a rechargeable storage battery) are installed in the cavity. A display screen is installed on the upper part of the housing, and an operation panel is installed below the display screen; specifically: The detection sensor basically uses a glass sheet with a thickness of 200 μm. A polyimide layer with a thickness of 500 nm is sprayed on the glass sheet, and a graphene layer with a thickness of 50 nm is deposited on the polyimide layer. The graphene layer can also be replaced with a graphite-like lubricating film. A metal silver layer with a thickness of 300 nm is deposited on the graphene layer or the graphite-like lubricating film, and the metal silver layer is separated in the middle, that is, two conductors (the first conductor and the second conductor) are formed. A metal copper layer with a thickness of 5 μm is deposited on the metal silver layer to make the first electrode and the second electrode. Then, a PDMS film with tiny through holes (the size is about 500 nm) is attached to the first electrode and the second electrode. At the same time, the PDMS film will also fill the gap between the first electrode and the second electrode to achieve better insulation; when in use, put the water sample into the groove. The water sample will contain heavy metal ions (such as Ag+ etc.). It enters the detection sensor through the through holes. The water will affect the parameters of the dielectric layer, and then form a changing capacitance induction signal, which is collected by the detection circuit board and displayed through the display screen, etc.
[0031] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A water quality detection device based on a flow sensor, characterized in that: The water quality detection device includes: a shell, a display screen, an operating panel, a battery, a detection circuit board, a collector and a transmission line. The display screen and the operating panel are installed on the shell, the transmission line is installed at one end of the shell, and the collector is installed at one end of the transmission line. The collector is used to collect and store water samples. The detection circuit board and the battery are installed in the shell. The detection circuit board is electrically connected to the battery, the display screen, the operating panel and the collector respectively. The battery is used to power the detection circuit board, the operating panel is used to operate the detection circuit board, the collector transmits the collected detection signal to the detection circuit board through the transmission line, and the display screen is used to display the detection circuit board data.
2. A water quality detection device based on a flow sensor according to claim 1, characterized in that: The shell is made of plastic.
3. A water quality detection device based on a flow sensor according to claim 1, characterized in that: The collector comprises a collection shell and a detection sensor, wherein the detection sensor is installed inside the collection shell, and the detection sensor is electrically connected to the detection circuit board through a transmission line.
4. A water quality detection device based on a flow sensor according to claim 3, characterized in that: The collection shell is a groove-shaped collection shell, and the detection sensor is installed in the groove.
5. A water quality detection device based on a flow sensor according to claim 4, characterized in that: The collection shell is selected from a circular collection shell, a square collection shell or an elliptical collection shell.
6. A water quality detection device based on a flow sensor according to claim 3, characterized in that: The detection sensor includes a protective layer, an electrode layer, a conductive layer, a dielectric layer and a substrate layer, the dielectric layer is arranged on the substrate layer, the conductive layer is arranged on the dielectric layer, the electrode layer is arranged on the conductive layer, the protective layer is arranged on the electrode layer, the electrode layer separates a first electrode and a second electrode, the conductive layer separates a first conductive layer and a second conductive layer, and the first electrode and the second electrode are electrically connected to the detection circuit board respectively.
7. A water quality detection device based on a flow sensor according to claim 6, characterized in that: The protective layer is made of PDMS material.
8. A water quality detection device based on a flow sensor according to claim 7, characterized in that: The conductive layer is made of metallic silver.
9. A water quality detection device based on a flow sensor according to claim 8, characterized in that: The dielectric layer comprises a polyimide layer and a graphene layer. The polyimide layer is arranged on the substrate layer, the graphene layer is arranged on the polyimide layer, and the conductive layer is arranged on the graphene layer.
10. A water quality detection device based on a flow sensor according to claim 9, characterized in that: The substrate layer is made of glass.