CN106841313B - Water quality detection sensor structure and water quality detection method - Google Patents
Water quality detection sensor structure and water quality detection method Download PDFInfo
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- CN106841313B CN106841313B CN201710093130.8A CN201710093130A CN106841313B CN 106841313 B CN106841313 B CN 106841313B CN 201710093130 A CN201710093130 A CN 201710093130A CN 106841313 B CN106841313 B CN 106841313B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
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- 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
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
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- Health & Medical Sciences (AREA)
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a water quality detection sensor structure and a water quality detection method. The water quality detection sensor structure comprises a water quality detection unit, a waterproof sealing structure, a damage device and a substrate, wherein the water quality detection unit, the waterproof sealing structure and the damage device are all fixed on the substrate, the waterproof sealing structure is arranged outside the water quality detection unit, and the water quality detection unit is arranged in the waterproof sealing structure so as to avoid the water quality detection unit from contacting with water before use; the destruction device is built in the waterproof sealing structure, and when the destruction device is used, the destruction device is electrified and destroys the waterproof sealing structure. The structure isolates the water quality detection unit from water before working, prevents the sensitivity of the water quality detection unit from being reduced, and prolongs the service life of the water quality sensor.
Description
Technical Field
The invention relates to the technical field of water quality detection devices, in particular to a water quality detection sensor structure and a water quality detection method.
Background
Water is a source of life and everyone needs to drink a certain amount of water every day. At present, accidents of water pollution occur continuously, and diseases related to the water pollution frequently occur. Water quality is becoming more important, on the one hand, government water supply departments need to know the water quality; on the other hand, the water quality of the drinking water needs to be monitored in household and business use.
The water quality detection sensor mainly comprises two parts, namely an induction detection sensor head and a signal conditioning circuit. The sensing detection sensing head comprises a substrate and a water quality detection unit arranged on the substrate, wherein the water quality detection unit is a key part of the water quality detection sensor and is mainly manufactured according to the physical, chemical and biological characteristics of various different substances. The signal conditioning circuit is mainly used for denoising, amplifying and visualizing the signals generated by the induction detection part. The water quality detection sensors can be classified into three main categories according to the application discipline, namely chemical water quality detection sensors, biological water quality detection sensors and physical water quality detection sensors, and the physics can be classified into biological water quality detection sensors and resonance type water quality detection sensors.
In water quality detection, a plurality of water quality detection units may be manufactured into a water quality detection unit array in order to avoid frequent replacement of the water quality sensor. When detecting, the sensing detection sensing head containing the water quality detection unit array is placed in water, the water quality detection units are used one by one to detect water quality, and when the used water quality detection units fail, the next water quality detection unit is used. Although the method sequentially uses the single water quality detection units in the water quality detection unit array, as the water quality detection sensor needs to be soaked in water, each water quality detection unit always contacts with water, so that the sensitivity of the water quality detection unit is reduced, even the water quality detection unit is invalid, and the long-term use of the water quality detection sensor cannot be ensured.
Disclosure of Invention
A first object of the present invention is to provide a water quality detection sensor structure that isolates a water quality detection unit from water before use, prevents a decrease in sensitivity of the water quality detection unit, and prolongs the service life of the water quality sensor.
To achieve the purpose, the invention adopts the following technical scheme:
the water quality detection sensor structure comprises a water quality detection unit, a waterproof sealing structure, a damage device and a substrate, wherein the water quality detection unit, the waterproof sealing structure and the damage device are all fixed on the substrate, and the water quality detection unit is arranged in the waterproof sealing structure so as to avoid the water quality detection unit from contacting with water before use; the destruction device is built in the waterproof sealing structure, and when the destruction device is used, the destruction device is electrified and destroys the waterproof sealing structure.
Wherein the destruction device is a heating device, and the heating device is in contact with the waterproof sealing structure.
Wherein the heating device is a resistance wire or a resistance sheet.
Wherein, waterproof seal structure is the cover that overlaps to locate outside the water quality detection unit.
The damage device comprises a bimetallic strip and a resistance wire in contact with the bimetallic strip, a puncture part is fixedly arranged on the bimetallic strip, and after the bimetallic strip is heated, the puncture part bends and punctures the waterproof sealing structure.
One end of the bimetallic strip is fixed with the base plate, the other end of the bimetallic strip is a movable end capable of being heated and bent, and the piercing part is fixedly arranged at the movable end.
Wherein, waterproof seal structure is for covering in the protection film of water quality detection unit surface.
The water quality detection unit array comprises a plurality of water quality detection units, and each water quality detection unit is provided with the waterproof sealing structure and the damage structure.
Wherein, the water quality detection unit is composed of a plurality of U-shaped electrodes.
A second object of the present invention is to provide a water quality detection method that isolates a water quality detection unit from water before operation, prevents a decrease in sensitivity of the water quality detection unit, and improves reliability of a water quality detection result.
To achieve the purpose, the invention adopts the following technical scheme:
a water quality detection method is characterized in that the water quality detection sensor structure is placed in water, and when the water quality detection sensor structure is used, a destruction device is electrified and destroys a waterproof sealing structure arranged outside the water quality detection unit.
The beneficial effects are that: the invention provides a water quality detection sensor structure and a water quality detection method. The water quality detection sensor structure comprises a water quality detection unit, a waterproof sealing structure, a damage device and a substrate, wherein the water quality detection unit, the waterproof sealing structure and the damage device are all fixed on the substrate, the waterproof sealing structure is arranged outside the water quality detection unit, and the water quality detection unit is arranged in the waterproof sealing structure so as to avoid the water quality detection unit from contacting with water before use; the destruction device is built in the waterproof sealing structure, and when the destruction device is used, the destruction device is electrified and destroys the waterproof sealing structure. The structure isolates the water quality detection unit from water before working, prevents the sensitivity of the water quality detection unit from being reduced, and prolongs the service life of the water quality sensor. The water quality detection method comprises the steps of placing a water quality detection device comprising the water quality detection sensor structure into water, and electrifying a destruction device and destroying a waterproof sealing structure arranged outside the water quality detection unit when the water quality detection device is used. The method isolates the water quality detection unit from water before working, prevents the sensitivity of the water quality detection unit from being reduced, and improves the reliability of the water quality detection structure.
Drawings
FIG. 1 is a top view of a water quality detecting sensor structure provided in embodiment 1 of the present invention;
FIG. 2 is a front view of a water quality detecting sensor structure according to embodiment 1 of the present invention;
fig. 3 is a front view of a water quality detecting sensor structure according to embodiment 2 of the present invention.
Wherein:
1. a water quality detection unit; 2. a waterproof sealing structure; 3. destroying the structure; 31. bimetallic strips; 32. a resistance wire; 33. a piercing section.
Detailed Description
In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the invention more clear, the technical scheme of the invention is further described below by a specific embodiment in combination with the attached drawings.
Example 1
The embodiment provides a water quality detection sensor structure, as shown in fig. 1-2, which comprises a water quality detection unit 1, a waterproof sealing structure 2, a damage device 3 and a substrate, wherein the water quality detection unit 1, the waterproof sealing structure 2 and the damage device 3 are all fixed on the substrate, the waterproof sealing structure 2 is arranged outside the water quality detection unit 1, and the water quality detection unit 1 is arranged in the waterproof sealing structure 2 so as to avoid the water quality detection unit 1 from contacting water before use; the breaking device 3 is built in the waterproof sealing structure 2, and when in use, the breaking device 3 is electrified and breaks the waterproof sealing structure 2. The structure isolates the water quality detection unit 1 from water before use, prevents the sensitivity of the water quality detection unit 1 from being reduced, and prolongs the service life of the water quality sensor.
The water quality detecting unit 1 may include a plurality of electrodes, as shown in fig. 2, and the water quality detecting unit 1 in this embodiment is composed of 3U-shaped electrodes that are sleeved. The electrodes may be of other shapes and other numbers, without limitation. The water quality detection sensor structure can comprise a water quality detection unit array composed of a plurality of water quality detection units 1, the number of the water quality detection units 1 can be adjusted according to actual needs, a waterproof sealing structure 2 and a damage structure are arranged outside each water quality detection unit 1, when the water quality detection sensor structure is used, only one damage structure is electrified, the waterproof sealing structure 2 outside the water quality detection unit 1 is damaged to enable the water quality detection unit 1 to work, after the water quality detection unit 1 fails, the waterproof sealing structure 2 of the other water quality detection unit 1 is damaged, and therefore the water quality detection units 1 in the water quality detection unit array are sequentially used to prevent sensitivity of the other water quality detection units 1 from being reduced or failing, prolong the service life of the water quality detection sensor mechanism and avoid frequent replacement.
In this embodiment, the destruction device 3 is a heating device, such as a resistance wire 32 or a resistance sheet, the waterproof sealing structure 2 is a protective film covered outside the water quality detecting unit 1, and the protective film can be made of materials such as plastic or rubber which are easy to destroy or melt, and has certain tightness, so that water can be well isolated. Specifically, it may be polyethylene, natural rubber, synthetic rubber, or the like. The heating device can be contacted with the waterproof sealing structure 2, so that the protective film at the contact position of the heating device is damaged after the heating device is electrified, and water is contacted with the water quality detection unit 1 to detect water quality; the waterproof sealing structure 2 can also be an isolation cover sleeved outside the water quality detection unit 1, so long as the structure can separate the water quality detection unit 1 from water before use and can be damaged by the heating device.
When the waterproof sealing structure 2 is a protective film covered outside the water quality detection unit 1, the heating device can be arranged around the electrode, and the arrangement is beneficial to ensuring the contact area between the electrode and water and improving the reliability of the water quality detection structure; when the waterproof sealing structure 2 is the isolation cover sleeved outside the water quality detection unit 1, the heating device can be arranged around the protection cover, and can be arranged at any position of the protection cover only by ensuring that the heating device is in contact with the waterproof sealing structure 2.
Example 2
Unlike embodiment 1, as shown in fig. 3, the breaking device 3 in this embodiment includes a bimetal 31 and a resistance wire 32 contacting the bimetal 31, and may be other heating devices contacting the bimetal 31, such as a resistance wire; the bimetal 31 is fixedly provided with a piercing part 33, and the waterproof sealing structure 2 is a protective film covered on the outer surface of the water quality detection unit 1. One end of the bimetal 31 is fixedly connected to the base plate, and the other end is a movable end which can be bent by heat, and in order to ensure that the piercing portion 33 can contact with the protective film and pierce the protective film, the piercing portion 33 may be provided at the movable end having the maximum degree of bending. In use, the resistance wire 32 in contact with the bimetal 31 is energized, heating the bimetal 31, bending the bimetal 31 toward the protective film and piercing the protective film by the piercing section 33, so that the water quality detecting unit 1 is in contact with water.
Example 3
The present embodiment provides a water quality detection method, in which the water quality detection sensor structure in the above embodiment is put into water, and when in use, the destruction device 3 is electrified and destroys the waterproof sealing structure 2 arranged outside the water quality detection unit 1. When the used water quality detecting unit 1 fails, the waterproof sealing structure 2 of another water quality detecting unit 1 in the water quality detecting unit array composed of a plurality of water quality detecting units 1 can be destroyed by the destruction device 3, so that the water quality detecting unit 1 contacts with water and starts working. The water quality detection method isolates the water quality detection unit 1 from water before use, prevents the sensitivity of the water quality detection unit 1 from being reduced, prolongs the service life of the water quality sensor, avoids frequent replacement, and can improve the reliability of the water quality detection result.
The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.
Claims (8)
1. The water quality detection sensor structure is characterized by comprising a water quality detection unit (1), a waterproof sealing structure (2), a damage device (3) and a substrate, wherein the water quality detection unit (1), the waterproof sealing structure (2) and the damage device (3) are all fixed on the substrate, and the water quality detection unit (1) is built in the waterproof sealing structure (2) so as to avoid the water quality detection unit (1) from contacting with water before use; the destruction device (3) is arranged in the waterproof sealing structure (2), and when the waterproof sealing structure is used, the destruction device (3) is electrified and destroys the waterproof sealing structure (2);
the destruction device (3) is a heating device, and the heating device is contacted with the waterproof sealing structure (2);
the water quality detection sensor structure further comprises a water quality detection unit (1) array formed by a plurality of water quality detection units (1), and each water quality detection unit (1) is provided with a waterproof sealing structure (2) and a damage device (3).
2. A water quality testing sensor structure according to claim 1, characterized in that the heating means is a resistance wire (32) or a resistance sheet.
3. A water quality detection sensor structure according to claim 2, characterized in that the waterproof sealing structure (2) is an isolation cover sleeved outside the water quality detection unit (1).
4. A water quality detection sensor structure according to claim 1, wherein the destruction device (3) comprises a bimetal (31) and a resistance wire (32) contacting with the bimetal (31), a puncture part (33) is fixedly arranged on the bimetal (31), and after the bimetal (31) is heated, the puncture part (33) bends and punctures the waterproof sealing structure (2).
5. A water quality detecting sensor structure according to claim 4, characterized in that one end of the bimetal (31) is fixed to the base plate, the other end is a movable end which can be bent by heating, and the piercing part (33) is fixedly arranged at the movable end.
6. A water quality detection sensor structure according to claim 2 or 4, characterized in that the waterproof sealing structure (2) is a protective film covering the outer surface of the water quality detection unit (1).
7. A water quality detection sensor structure according to claim 1, wherein the water quality detection unit (1) is composed of a plurality of U-shaped electrodes.
8. A water quality detection method is characterized in that: a water quality detection sensor structure according to any one of claims 1-7, when placed in water, the breaking device (3) is energized and breaks the watertight sealing structure (2) arranged outside the water quality detection unit (1).
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| CN201710093130.8A CN106841313B (en) | 2017-02-21 | 2017-02-21 | Water quality detection sensor structure and water quality detection method |
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| CN201710093130.8A CN106841313B (en) | 2017-02-21 | 2017-02-21 | Water quality detection sensor structure and water quality detection method |
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| CN106841313B true CN106841313B (en) | 2023-11-17 |
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| CN106841313A (en) | 2017-06-13 |
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