CN210347515U - Liquid leakage detection sensor - Google Patents
Liquid leakage detection sensor Download PDFInfo
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- CN210347515U CN210347515U CN201921070286.5U CN201921070286U CN210347515U CN 210347515 U CN210347515 U CN 210347515U CN 201921070286 U CN201921070286 U CN 201921070286U CN 210347515 U CN210347515 U CN 210347515U
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Abstract
A liquid leakage detection sensor relates to liquid detection. The liquid leakage detection sensor comprises a shell and an electrode plate, wherein the shell is sprayed with a nano material layer with strong hydrophilicity, so that liquid can be quickly absorbed into an electrode detection area, the stability of the absorbed liquid can be kept, the stability and the reliability of detection are improved, and the autonomy of the detection of the sensor structure is improved; the shell adopts 3D printing technique integrated into one piece, can realize small, light in weight's technical requirement, does not have the metal material that leaks outward, and the submergence still can use in liquid. The electrode plate adopts a mode of overlapping upper and lower fins in a staggered manner, so that the fins of the electrode plate are staggered in the vertical direction to form multiple small detection electrodes, and the effective probability of detecting liquid is increased in the detection direction.
Description
Technical Field
The utility model relates to a liquid detects, in particular to liquid reveals detection sensor.
Background
The liquid leakage detecting sensor is one detecting electrode plate with liquid conductivity and electrode plate area resistance change to detect liquid leakage. The electrode plate design of the existing leakage detection sensor mainly comprises a plate type and a needle type.
The plate-type designed electrode plate is two metal conductors which are placed in parallel, liquid from the parallel direction of the two conductors can be detected in time, and the liquid perpendicular to the parallel direction of the two conductors needs to cross over one conductor to form a bridge circuit with the other conductor for detection, and the liquid detection device has the problems of prolonged detection time, low sensitivity and the like due to the wetting characteristics of the conductor and an insulator.
The detection electrode of the needle type design is two probes, and the probe has the advantages of adjustability, small size, portability, convenience in installation and suitability for detection in narrow areas; the defects are that the area of a detection area is small, the effective probability of detecting liquid by a detection electrode is low when the liquid leakage amount is small, and the situations of insensitive reaction, delayed detection and the like are caused.
Disclosure of Invention
To the not enough of prior art existence, the utility model aims at providing a liquid is revealed and is detected sensor.
The utility model adopts the technical proposal that: the utility model provides a liquid leakage detection sensor, comprises shell and plate electrode, the plate electrode install in the shell, its technical essential is, the plate electrode mainly constitute by glass substrate, lower fin electrode, insulating piece and the last fin electrode that links together in proper order, lower fin electrode body and upwarp piece electrode body extend a plurality of branches respectively, the branch of lower fin electrode and the branch staggered lamination of upwarp piece electrode are on the insulating piece surface, make the fin of plate electrode form the little detection electrode of multiple in the vertical direction in the mistake.
In the above scheme, the shell is integrally formed, and the protective layer made of hydrophilic nano materials is sprayed on the outer surface of the shell.
The utility model has the advantages that: the liquid leakage detection sensor comprises a shell and an electrode plate, wherein the shell is sprayed with a nano material layer with strong hydrophilicity, so that liquid can be quickly absorbed into an electrode detection area, the stability of the absorbed liquid can be kept, the stability and the reliability of detection are improved, and the autonomy of the detection of the sensor structure is improved; the shell adopts 3D printing technique integrated into one piece, can realize small, light in weight's technical requirement, does not have the metal material that leaks outward, and the submergence still can use in liquid. The electrode plate adopts a mode of overlapping upper and lower fins in a staggered manner, so that the fins of the electrode plate are staggered in the vertical direction to form multiple small detection electrodes, and the effective probability of detecting liquid is increased in the detection direction.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of a housing in an embodiment of the present invention;
fig. 2 is a perspective view of the housing in the embodiment of the present invention;
FIG. 3 is a schematic diagram of an electrode plate structure according to an embodiment of the present invention;
the numbers in the figure illustrate the following: 1 shell, 11 external connecting ends, 12 side suction ends, 2 electrode plates, 21 pins, 22 upward-warped plate electrodes, 23 insulating plates, 24 glass substrates and 25 downward-warped plate electrodes.
Detailed Description
The above objects, features and advantages of the present invention will be more clearly understood and the present invention will be explained in more detail with reference to the accompanying drawings 1 to 3 and the detailed description thereof.
The liquid leakage detection sensor that this embodiment adopted comprises shell 1 and electrode board 2, and shell 1 adopts 3D printing technique integrated into one piece to spout the high nano-material layer of hydrophilicity, including outer connecting portion 11 and side-inhale end 12. The electrode plate 2 in this embodiment is mounted in the external connection portion 11, the lead 21 of the electrode plate 2 is connected to an external detection circuit, and the upper fin electrode 22, the lower fin electrode 25, and the external detection circuit form a detection circuit. When liquid enters the side suction end 12, the upper fin electrode 22 and the lower fin electrode 25 are soaked by the liquid, the conductivity of the liquid changes, the resistance value of the whole loop changes, the voltage change reaction resistance value change real-time information is sent to the main controller, and the main controller judges whether the resistance value of the loop changes or not so as to judge whether the liquid leakage occurs or not.
The electrode plate 2 in this embodiment is mainly composed of a glass substrate 24, a lower fin electrode 25, an insulating sheet 23 and an upper fin electrode 22 which are sequentially connected together, a plurality of fins extend from a body of the lower fin electrode 25, a plurality of fins also extend from a body of the upper fin electrode 22, the fins of the lower fin electrode 25 and the fins of the upper fin electrode 22 are alternately laminated on the surface of the insulating sheet 23 and are bonded together through resin, and small detection electrodes in multiples are alternately formed in the vertical direction of the insulating sheet 23. The lower fin electrode 25 is bonded to the glass substrate 24 with resin.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (2)
1. The utility model provides a liquid leakage detection sensor comprises shell and plate electrode, the plate electrode install in the shell, its characterized in that, the plate electrode mainly constitute by glass substrate, lower fin electrode, insulating piece and the last fin electrode that links together in proper order, lower perk electrode body and upwarping piece electrode body outwards extend a plurality of fins respectively, the fin of lower perk electrode is overlapped on the insulating piece surface with the fin staggered lamination of upwarping piece electrode, the staggered formation becomes the little detection electrode of multiple on the insulating piece vertical direction.
2. The liquid leak detection sensor of claim 1, wherein the housing is integrally formed, and a protective layer made of hydrophilic nanomaterial is sprayed on the exterior of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921070286.5U CN210347515U (en) | 2019-07-10 | 2019-07-10 | Liquid leakage detection sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921070286.5U CN210347515U (en) | 2019-07-10 | 2019-07-10 | Liquid leakage detection sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210347515U true CN210347515U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921070286.5U Active CN210347515U (en) | 2019-07-10 | 2019-07-10 | Liquid leakage detection sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210347515U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261440A (en) * | 2019-07-10 | 2019-09-20 | 朝阳市加华电子有限公司 | A kind of liquid leak detection sensor |
-
2019
- 2019-07-10 CN CN201921070286.5U patent/CN210347515U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261440A (en) * | 2019-07-10 | 2019-09-20 | 朝阳市加华电子有限公司 | A kind of liquid leak detection sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A liquid leakage detection sensor Effective date of registration: 20220424 Granted publication date: 20200417 Pledgee: Chaoyang bank Limited by Share Ltd. Pledgor: CHAOYANG JIAHUA ELECTRONICS CO.,LTD. Registration number: Y2022980004709 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |