Water tester based on silicon-based sensor
By designing a water quality analyzer based on silicon-based sensors and integrating detection sensors, the problems of large size, cumbersome operation, and insufficient accuracy of existing water quality testing equipment have been solved, enabling convenient and accurate water quality testing.
Patent Information
- Application Number
- CN202421902334.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-07
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-08-07
AI Technical Summary
Existing water quality testing equipment is bulky, cumbersome to operate, and suffers from testing errors and insufficient accuracy.
A water meter based on a silicon-based sensor was designed, comprising a housing, display screen, control panel, battery, processing circuit board, data logger, and housing cover. It is made of plastic or metal and integrates a detection sensor, including silver/silver chloride, graphene, titanium, platinum, and ruthenium oxide electrode layers. The sensor detects changes in the charge parameters of the electrode layers by water samples.
It achieves convenient operation, saves time and effort, improves detection accuracy and data authenticity, and enables direct on-site water quality testing, reducing errors.
Smart Images
Figure CN223526283U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to water quality detection technical field, concretely relates to a water measuring instrument based on silicon sensor. BACKGROUND
[0002] Water (chemical formula is H2O), is by hydrogen, oxygen two elements composition's inorganic matter, non-toxic, drinkable. In normal temperature and pressure for colorless tasteless transparent liquid, is called human life's source, is the important material of maintaining life, also called hydrogen peroxide. Along with people's life and production activities, more and more fresh water is polluted to different degrees, some are heavy metal ion overproof, some are microbial concentration overproof and so on. For such contaminated water, people are difficult to observe its pollution degree, the market detects water's technology is too cumbersome, and detection equipment is larger, and some still need to take sample back to laboratory for detection, etc. Will appear time-consuming and labor-consuming, and there will be detection error etc. ; Still is the existing water quality detection precision is not high.
[0003] Therefore, aiming at the above problems, the existing moisture detection technology needs further improvement. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at overcoming the detection of the existing moisture detection complicated, the device is large, not convenient to carry, and there will be sampling detection error and other problems. Through the rationalization design to detection technology, adopt the box, display screen, control board, battery, processing circuit board, collector and lid, can realize simple operation, convenient use, directly sampling docking detection object, etc. Can save time and effort, and the data is more real. It can also improve the detection precision.
[0005] The technical scheme of the utility model is as follows:
[0006] A water measuring instrument based on silicon sensor, the water measuring instrument includes: box, display screen, control board, battery, processing circuit board, collector and lid, the display screen, control board, battery, processing circuit board and collector are installed in the box, the collector is used to collect and store water sample, the box and lid are rotatably connected through the hinge, the opening end of the lid is equipped with a lock catch, the opening end of the box is equipped with a lock slot, the lock catch and the lock slot are matched and used to close or open the lid, the processing circuit board is electrically connected with the battery, display screen, control board and collector respectively, the battery is used to power the processing circuit board, the control board is used to operate the processing circuit board, the collector transmits the collected detection signal to the processing circuit board, and the display screen is used to display the data of the processing circuit board.
[0007] Further, the box selects the box of plastic material or the box of metal material.
[0008] Further, the box cover is made of plastic or metal.
[0009] Further, the box body and the box cover are made of the same material.
[0010] Further, the box body is provided with a handle.
[0011] Further, the water measuring instrument further comprises a telescopic rod, one end of the telescopic rod being connected to the box body, and the other end of the telescopic rod being connected to the box cover.
[0012] Further, the collector comprises a liquid container and a detection sensor, the detection sensor being installed in the liquid container, the liquid container being installed on the box body, and the detection sensor being electrically connected to the processing circuit board.
[0013] Further, the liquid container is a groove type liquid container, and the detection sensor is installed in the groove of the liquid container.
[0014] Further, the liquid container is a circular, square or elliptical liquid container.
[0015] Further, the detection sensor comprises a protective layer, an enhanced electrode layer, an insulating layer and a substrate layer, the substrate layer being provided with the insulating layer, the insulating layer being provided with the enhanced electrode layer, the enhanced electrode layer being provided with the protective layer, and the enhanced electrode layer being electrically connected to the processing circuit board.
[0016] Further, the protective layer is made of epoxy resin.
[0017] Further, the substrate layer is made of silicon, i.e. a silicon substrate layer.
[0018] Further, the insulating layer is made of silicon dioxide, i.e. a silicon dioxide layer.
[0019] Further, the enhanced electrode layer comprises a first electrode layer and a second electrode layer, the first electrode layer and the second electrode layer being separated by the protective layer, and the first electrode layer and the second electrode layer being electrically connected to the processing circuit board.
[0020] Further, the protective layer is provided with a plurality of small through holes for connecting the enhanced electrode layer with the outside.
[0021] Further, the through holes are uniformly distributed in a matrix on the protective layer.
[0022] Further, the first electrode layer comprises a silver / silver chloride (Ag / AgCl) electrode layer and a graphene electrode layer, the silver / silver chloride electrode layer is arranged on the insulating layer, and the graphene electrode layer is arranged on the silver / silver chloride electrode layer.
[0023] Further, the second electrode layer comprises a titanium electrode layer, a platinum electrode layer and a ruthenium oxide electrode layer, the titanium electrode layer is arranged on the silicon dioxide layer, the platinum electrode layer is arranged on the titanium electrode layer, and the ruthenium oxide electrode layer is arranged on the platinum electrode layer.
[0024] Beneficial effects
[0025] The utility model discloses a reasonable design to detection technology, adopts box, display screen, control board, battery, processing circuit board, collector and box cover, can realize simple operation, convenient use, directly sampling and so on object of docking detection, can save time and labour, and data is more real etc. Can also improve detection precision etc. The detection sensor of silicon substrate is adopted, can change the charge parameter of electrode layer through moisture, and then changes the acquisition signal, and carries out data processing analysis, can know moisture heavy metal content etc. Through the detection protection layer with nanometer through -hole, can introduce moisture on the electrode layer, gives detection sensor, carries out moisture heavy metal detection etc. Through titanium metal deposition, can effectively make platinum metal deposit on the silicon dioxide layer better, and the graphene and ruthenium oxide are adopted, can improve detection precision etc. BRIEF DESCRIPTION OF DRAWINGS
[0026] Fig. 1 It is the structure schematic view of a kind of water measuring instrument based on silicon sensor of the utility model.
[0027] Fig. 2 It is the layer structure schematic view of the detection sensor of a kind of water measuring instrument based on silicon sensor of the utility model.
[0028] Fig. 1 is a structural schematic view of a water measuring instrument based on silicon sensor of the utility model. DETAILED DESCRIPTION
[0029] With reference to the accompanying drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the present application.
[0030] Referring to Figs. 1-2 The utility model provides a kind of water measuring instrument based on silicon-based sensor, as shown in the utility model provides a kind of water measuring instrument based on silicon-based sensor, the water measuring instrument includes: box 02, display screen 03, control panel 04, battery (not shown in the drawing), processing circuit board (not shown in the drawing), collector and box cover 01, the box 02 selects the box of metal material, the box cover 01 selects the box cover of metal material, and box 02 and box cover 01 select same material;
[0031] Among them, display screen 03, control panel 04, battery, processing circuit board and collector are installed in the box 02, collector is used to gather and store water sample, box 02 and box cover 01 are connected by hinge rotation, the opening end of box cover 01 is equipped with lock catch 07, the opening end of box 02 is equipped with lock slot, lock catch 07 and lock slot are mutually matched and used to close or open box cover 01, processing circuit board is electrically connected battery, display screen 03, control panel 04 and collector respectively, battery is used to power processing circuit board, control panel 04 is used to operate processing circuit board, collector is transmitted to processing circuit board with the detection signal collected, and display screen 03 is used to show processing circuit board data;
[0032] Among them, handle 08 is equipped on the box 02, and the water measuring instrument further includes telescopic link 06, one end of telescopic link 06 is connected with the box 02, and the other end of telescopic link 06 is connected with the box cover 01;
[0033] The collector comprises a liquid container 05 and a detection sensor, the detection sensor is installed in the liquid container 05, the liquid container 05 is installed on the box body 02, and the detection sensor is electrically connected with the processing circuit board; the liquid container 05 is selected as a groove type liquid container 05, and the detection sensor is installed in the groove of the liquid container 05; the liquid container 05 is selected as a square liquid container; the detection sensor comprises a protective layer 65, an enhanced electrode layer, an insulating layer and a substrate layer, the substrate layer is provided with the insulating layer, the insulating layer is provided with the enhanced electrode layer, the enhanced electrode layer is provided with the protective layer 65, and the enhanced electrode layer is electrically connected with the processing circuit board; the protective layer 65 is selected as an epoxy resin protective layer; the substrate layer is selected as a silicon substrate layer 61; the insulating layer is selected as a silicon dioxide layer 62; the enhanced electrode layer comprises a first electrode layer and a second electrode layer, the first electrode layer and the second electrode layer are separated by the protective layer 65, and the first electrode layer and the second electrode layer are electrically connected with the processing circuit board respectively; the first electrode layer comprises a silver / chlorinated silver (Ag / AgCl) electrode layer and a graphene electrode layer 68, the silver / chlorinated silver electrode layer 67 is arranged on the insulating layer, and the graphene electrode layer 68 is arranged on the silver / chlorinated silver electrode layer 67; the second electrode layer comprises a titanium electrode layer 63, a platinum electrode layer 64 and a ruthenium oxide electrode layer 69, the titanium electrode layer 63 is arranged on the silicon dioxide layer 62, the platinum electrode layer 64 is arranged on the titanium electrode layer 63, and the ruthenium oxide electrode layer 69 is arranged on the platinum electrode layer 64.
[0034] The protective layer 65 is provided with a plurality of small through holes 66, and the through holes 66 are used for communicating the enhanced electrode layer with the outside; the through holes 66 are uniformly and matrixly distributed on the protective layer 65.
[0035] The utility model discloses a specific implementation manner: the detector is assembled, wherein the box and the box cover are rotatably connected through the hinge, and two telescopic rods are arranged between the box and the box cover, which are used for conveniently supporting and closing the box cover; a cavity is formed in the inside, the processing circuit board and the storage battery (a chargeable storage battery) are installed in the cavity, and a display screen, a control panel and a collector are also installed in the inside of the box; wherein the substrate of the detection sensor is a 300 mu m thick silicon substrate, a 500 nm thick silicon dioxide layer is deposited on the silicon substrate, a 30 nm thick metal titanium layer is deposited on the silicon dioxide layer and is a second electrode area, a 470 nm thick metal platinum layer is deposited on the metal titanium, a 50 nm thick ruthenium oxide layer is deposited on the platinum surface, a 500 nm thick silver / silver chloride layer is deposited on the silicon dioxide layer and is a first electrode area, a 50 nm thick graphene layer is deposited on the surface of the silver / silver chloride, then an epoxy resin layer with a through hole is filled in the interval gap between the first electrode and the second electrode, and the first electrode and the second electrode are electrically connected to the processing circuit board; when used, the water sample is placed in the groove, the water sample contains heavy metal ions, enters the electrode layer on the detection sensor through the through hole, the moisture affects the parameters of the electrode layer, and then a changed charge induction signal is formed, which is collected by the processing circuit board (with a detection function) and displayed through the display screen.
[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A water meter based on a silicon-based sensor, characterized in that, The water measuring instrument comprises a box body, a display screen, an operation board, a storage battery, a processing circuit board, a collector and a box cover, the display screen, the operation board, the storage battery, the processing circuit board and the collector are installed in the box body, the collector is used for collecting and storing water samples, the box body and the box cover are rotationally connected through a hinge, an opening end of the box cover is provided with a lock catch, an opening end of the box body is provided with a lock groove, the lock catch and the lock groove are matched with each other and are used for closing or opening the box cover, the processing circuit board is electrically connected with the storage battery, the display screen, the operation board and the collector respectively, the storage battery is used for supplying power to the processing circuit board, the operation board is used for operating the processing circuit board, the collector transmits the collected detection signal to the processing circuit board, and the display screen is used for displaying the data of the processing circuit board. The water measuring instrument further comprises a telescopic rod, one end of the telescopic rod is connected with the box body, and the other end of the telescopic rod is connected with the box cover. The collector comprises a liquid container and a detection sensor, the detection sensor is installed in the liquid container, the liquid container is installed on the box body, and the detection sensor is electrically connected with the processing circuit board. The liquid container is a groove type liquid container, and the detection sensor is installed in the groove of the liquid container. The liquid container is a circular liquid container, a square liquid container or an oval liquid container. The detection sensor comprises a protective layer, an enhanced electrode layer, an insulation layer and a substrate layer, the substrate layer is provided with the insulation layer, the insulation layer is provided with the enhanced electrode layer, the enhanced electrode layer is provided with the protective layer, and the enhanced electrode layer is electrically connected with the processing circuit board. A plurality of small through holes are arranged on the protective layer and are used for connecting the enhanced electrode layer with the outside. The through holes are uniformly arranged in a matrix on the protective layer.
2. The water meter based on silicon-based sensors according to claim 1, characterized in that, The box body is made of plastic or metal.
3. The water meter based on silicon-based sensors according to claim 1, characterized in that, The protective layer is made of epoxy resin.
4. The water meter based on silicon-based sensors according to claim 3, characterized in that, The substrate layer is made of silicon.
5. A water meter based on a silicon-based sensor according to claim 4, characterized in that, The insulation layer is made of silicon dioxide.
6. A water meter based on a silicon-based sensor according to claim 5, characterized in that, The enhanced electrode layer comprises a first electrode layer and a second electrode layer, the first electrode layer and the second electrode layer are separated by the protective layer, and the first electrode layer and the second electrode layer are electrically connected with the processing circuit board respectively.