KR20190112529A - Leak detector with liquid inflow means - Google Patents

Abstract

The present invention relates to a leakage detection sensor having a liquid inflow means comprising: a base layer made of a non-conductive material including a general resin or a fluorine resin; a sensor part including a pair of sensor lines arranged to be spaced apart from each other along a longitudinal direction on the base layer, and made of a conductive material; a protective coating layer coated on the base layer so as to expose the base layer to the outside between the pair of sensor lines while preventing the pair of sensor lines from being exposed to the outside, forming a liquid inflow groove extended along a longitudinal direction between the pair of sensor lines, and made of a non-conductive material; and a dissolving part filled in the liquid inlet groove and made of a material which is dissolved by the leaked liquid such that the leaked liquid comes in contact with the pair of sensor lines. Therefore, the present invention is capable of quickly detecting the leakage.

Description

Leak detector with liquid inflow means

The present invention relates to a leakage detection sensor having a liquid inflow means that provides a waterproof function and can adjust the leakage detection time according to the type of liquid leaked.

The present invention also relates to a leaky liquid detection sensor capable of detecting leakage of various kinds of liquids.

In general, many chemicals are used in the semiconductor manufacturing process. For example, the cleaning liquid used for the cleaning process after cutting and polishing the wafer, the photosensitive liquid used for the photosensitive process of the wafer, the developing solution used for the developing process of the wafer, the etching liquid used for the wafer etching process, and the like are used in the semiconductor manufacturing process. .

Meanwhile, industrial facilities for general chemical or petrochemical and steel manufacturing are installed and operated outdoors with various kinds of acid and basic chemical storage facilities such as sulfuric acid, hydrofluoric acid, nitric acid and caustic soda, which are necessary for the production and processing of various kinds of products. .

These chemicals may leak to the outside due to unpredictable situations such as failure of transfer pipes or storage tanks, deterioration, overpressure or operation mistakes. Leaky chemicals can lead to explosions, fires, and adversely affect humans as well as other devices and components on the manufacturing floor, so it is necessary to detect leaks and take action quickly.

In general, leakage detection of chemicals is a resistance change detection sensor that determines whether leakage is caused by measuring a change in resistance due to contact between the plus and minus conductors and side-by-side or cross-over, and contacting these conductors and the leakage liquid. Mainly used.

Such a resistance change detection sensor is disclosed in Korean Unexamined Patent Publication No. 10-2007-0005234 and Japanese Unexamined Utility Model Publication No. H01-171340.

On the other hand, cable type products are also used, but are manufactured by twisting one or more cables, and thus have high lifting force due to high lifting, and the time required for dissolving the coating is relatively longer than the membrane dissolving or membrane adhesive dissolving method. There is a problem with this long.

In addition, the leak detection sensor for a chemical storage tank installed outdoors has a problem that a malfunction occurs by the water, such as snow, rain, or water cleaning.

In addition, in the case of a chemical storage tank installed outdoors and a chemical storage warehouse installed indoors, it is difficult to control the detection time of leakage according to the type of chemical stored.

In addition, in the case of various kinds of chemical storage warehouse installed indoors, there is a problem in detecting leakage of various chemicals with one sensor.

In addition, the leak detection sensor installed in the outdoors is not flexible and has a problem that is broken.

The present invention has been invented to solve the above problems, and an object of the present invention is to provide a leak detection sensor having a liquid inflow means to detect leaks quickly.

In addition, the present invention is a liquid leakage detection sensor having a liquid inlet means that does not malfunction by water, such as snow, rain water or water cleaning when installed in the outdoors or indoors for the purpose of detecting only a specific substance without reacting to water. It aims to provide.

In addition, an object of the present invention is to provide a liquid leakage detection sensor having a liquid inlet means and a sensor unit for detecting the outflow of different types of chemicals by installing one sensor when installed in various types of chemical storage. .

In addition, an object of the present invention is to provide a leak detection sensor having a flexible and durable.

In order to achieve the above object, a first embodiment of the present invention is a base layer made of a non-conductive material containing a general resin or a fluorine resin; A sensor unit including a pair of sensor lines disposed to be spaced apart from each other in parallel to each other along a length direction on the base layer, and comprising a conductive material; The base layer is coated on the base layer such that the base layer is exposed to the outside between the pair of sensor lines while preventing the pair of sensor lines from being exposed to the outside, thereby extending the longitudinal direction between the pair of sensor lines. A protective coating layer formed along the liquid inflow groove extending from the non-conductive material; And a dissolving portion filled in the liquid inflow groove and made of a material dissolved by the leaked liquid so that the leaked liquid comes into contact with the pair of sensor lines.

Here, the base layer is characterized in that made of a general resin containing at least one of PP, PE, PVC, POM, PC, PU or a fluorine resin-based material containing at least one of PFA, PCTFE, ETFE, FEP. .

In addition, the sensor unit is a general resin containing at least one of PP, PE, PVC, POM, PC, PU or a fluororesin component containing at least one of PFA, PCTFE, ETFE, FEP and a component for dissolving the resin component The conductive ink is mixed or coated on the base layer, characterized in that formed by heat welding.

Preferably, the dissolving portion is made of an insulating and waterproofing material, and is characterized in that it is dissolved by an acidic medicine, a basic medicine, an organic medicine or an oil.

Like the first embodiment described above, the second embodiment of the present invention includes a base layer, a sensor portion, a protective coating layer, and a dissolution portion, wherein the base layer is formed of an upper base layer and a lower base layer, and the upper base layer It is characterized in that the fiber layer or the flexible material layer is built between the lower base layer.

The third embodiment of the present invention, like the first embodiment described above, includes a base layer, a sensor part, a protective coating layer, and a dissolving part, wherein the dissolving part is made of an insulating and waterproofing material, an acidic drug, a basic drug, and an organic drug. Or dissolved by oil, wherein the dissolving unit is divided into a plurality of dissolving regions along the liquid inlet groove, and the plurality of dissolving regions are each dissolved by different kinds of liquids.

The fourth embodiment of the present invention, like the first embodiment described above, includes a base layer, a sensor portion, a protective coating layer, and a dissolution portion, wherein the base layer is formed of an upper base layer and a lower base layer, and the upper base layer A fibrous layer or a flexible material layer is embedded between the lower and lower base layers, wherein the dissolving portion is made of an insulating and waterproofing material, and is dissolved by an acidic chemical, a basic chemical, an organic chemical or an oil, and the dissolving portion is formed along the liquid inlet groove. It is divided into a plurality of dissolution regions, and the plurality of dissolution regions are each characterized by being dissolved by different kinds of liquids.

Like the first embodiment described above, the fifth embodiment of the present invention includes a base layer, a sensor portion, a protective coating layer, and a dissolution portion, wherein the first sensor line of the pair of sensor lines has the upper base exposed so that an upper surface thereof is exposed. Buried in a layer, a second sensor line of the pair of sensor lines is formed on the upper base layer, and the second sensor line is deformed by a leaking liquid and has a material and resin component whose resistance value changes. The coating layer is coated or printed with a conductive ink formed by mixing a dissolving component, and the protective coating layer is formed on the upper base layer such that a portion of the upper surface of the first sensor line is exposed to the outside and all of the upper surface of the second sensor line is exposed to the outside. It is characterized by being coated on.

The sixth embodiment of the present invention, like the fifth embodiment described above, includes a base layer, a sensor portion, a protective coating layer, and a dissolution portion, wherein the base layer is formed of an upper base layer and a lower base layer, and the upper base layer Between the lower base layer and a fibrous layer or a flexible material layer is built, the melt portion is made of an insulating and waterproof material, dissolved by acidic medicine, basic medicine, organic medicine or oil, the melt portion along the liquid inlet groove It is divided into a plurality of dissolution regions, and the plurality of dissolution regions are each characterized by being dissolved by different kinds of liquids.

The seventh embodiment of the present invention, like the sixth embodiment described above, includes a base layer, a sensor portion, a protective coating layer, and a dissolution portion, wherein the second sensor line is divided into a plurality of sensor regions along a longitudinal direction. Each of the plurality of sensor regions is made of a material whose resistance is changed in response to different kinds of liquids.

The leaky liquid detecting sensor having a liquid inflow means according to the present invention can detect the leaked liquid by inflowing the leaked liquid into the sensor portion through the melted portion dissolved by the leaked liquid. In addition, by filling the liquid inlet groove by adjusting the thickness of the melting portion, it is possible to adjust the time for the leakage liquid to dissolve the melting portion, thereby adjusting the liquid leakage detection time.

In addition, the present invention is to provide a liquid leak detection sensor having a liquid inflow means that does not malfunction by moisture, such as rain water or water cleaning, when the dissolved portion does not react to water and is dissolved by a specific liquid, when installed outdoors or indoors. The purpose.

In addition, the present invention can detect leakage of various types of chemicals, such as acidic drugs, basic drugs, organic drugs or oil.

In addition, the present invention can detect leakage of low conductivity or non-conductive liquids as well as conductive liquids.

In addition, the present invention has a built-in fibrous layer or a flexible material layer in the base layer, while having flexibility and strong durability.

1 is a perspective view schematically showing a leakage sensor having a liquid inflow means according to a first embodiment of the present invention;
2 is a cross-sectional view schematically showing a leaky liquid detecting sensor having a liquid inflow means according to a first embodiment of the present invention;
3A is a perspective view schematically illustrating a state in which a sensor unit is attached to a base layer of a leakage detection sensor having a liquid inflow means according to a first embodiment of the present invention;
3B is a perspective view schematically illustrating a state in which a protective coating layer is coated on the base layer of FIG. 3A;
4 is a cross-sectional view schematically showing a leaky liquid detecting sensor having a liquid inflow means according to a second embodiment of the present invention;
5 is a perspective view schematically showing a leaky liquid detecting sensor having a liquid inflow means according to a third embodiment of the present invention;
6 is a cross-sectional view schematically showing a leaky liquid detecting sensor having a liquid inflow means according to a fourth embodiment of the present invention;
7 is a perspective view schematically showing a leaky liquid detecting sensor having a liquid inflow means according to a fifth embodiment of the present invention;
8 is a cross-sectional view schematically showing a leaky liquid detecting sensor having a liquid inflow means according to a fifth embodiment of the present invention;
9A is a perspective view schematically illustrating a state in which a sensor unit is attached to a base layer of a leakage detection sensor having a liquid inflow unit according to a fifth embodiment of the present invention;
9B is a perspective view schematically illustrating a state in which a protective coating layer is coated on the base layer of FIG. 9A;
10 is a perspective view schematically showing a leaky liquid detecting sensor having a liquid inflow means according to a sixth embodiment of the present invention;
FIG. 11 is a perspective view schematically showing a leaky liquid detecting sensor having liquid inflow means according to a seventh embodiment of the present invention; FIG.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the leak detection sensor having a liquid inlet means according to the present invention. For reference, in the following description of the present invention, terms referring to the components of the present invention are named in consideration of the function of each component, and should not be understood as a meaning of limiting the technical components of the present invention. Will be.

1 to 3B, a leak detection sensor having a liquid inflow means according to a first embodiment of the present invention is formed on a base layer 100 made of a non-conductive material and a base layer 100 and made of a conductive material. The sensor unit 200, the base layer 100 and the protective coating layer 300 to protect the sensor unit 200, and the dissolution unit 400 to allow the leaked liquid flows into the sensor unit 200.

The base layer 100 is made of a non-conductive material including a general resin such as PP, PE, PVC, POM, PC, PU, or a fluorine resin-based material such as PFA, PCTFE, ETFE, or FEP.

The sensor unit 200 includes a pair of sensor lines 210 and 220 disposed on the base layer 100 to be spaced apart from each other in parallel with each other in the longitudinal direction, and a conductive material is coated on the base layer 100. Or by printing. The pair of sensor lines 210 and 220 are connected through a termination resistor (not shown) to form a closed circuit.

Here, the sensor unit 200 is a conductive ink in which a general resin such as PP, PE, PVC, POM, PC, PU, or a fluororesin component such as PFA, PCTFE, ETFE, FEP, and a component for dissolving the resin component are mixed. It is formed by a pair of sensor lines (210, 220) by applying or printing on the base layer 100. In addition, the conductive ink applied or printed on the base layer 100 is firmly bonded on the base layer 100 through heat welding.

The protective coating layer 300 is made of a non-conductive material and is coated on the base layer 100 to protect the base layer 100 and the sensor unit 200. In this case, the protective coating layer 300 prevents the pair of sensor lines 210 and 220 from being exposed to the outside and simultaneously exposes the base layer 100 to the outside between the pair of sensor lines 210 and 220. Coated on layer 100. By the protective coating layer 300 coated in this way, a liquid inlet groove 500 of a predetermined space extending in the longitudinal direction is formed between the pair of sensor lines 210 and 220, and the liquid inlet groove 500 is formed. ), Facing ends of the base layer 100 and the pair of sensor lines 210 and 220 are exposed to the outside.

The dissolution unit 400 is a non-conductive material filled in the liquid inlet groove 500 described above, and the leaked liquid contacts the pair of sensor lines 210 and 220 so that a short is applied to the sensor lines 210 and 220. To produce a substance that is dissolved by the leaked liquid. The dissolution unit 400 is made of an insulating and waterproof material. In addition, the dissolution unit 400 is made of a material that is dissolved by an acidic drug, a basic drug, an organic drug or an oil.

By such a configuration, when a leaked liquid such as an acidic chemical, a basic chemical, an organic chemical, or an oil contacts the protective coating layer 300, the dissolution unit 400 is dissolved by the leaked liquid, and the liquid inflow groove 500 is formed. The exposed and leaked liquid flows into the liquid inlet 500 and comes into contact with the pair of sensor lines 210 and 220. Therefore, a short occurs in the sensor lines 210 and 220 of the sensor unit 200, so that the resistance value of the sensor unit 200 changes, and accordingly, leakage of liquid is detected.

As described above, in the liquid leak detection sensor having the liquid inflow means according to the first embodiment of the present invention, the dissolution unit 400 is dissolved by the leaked liquid so that the sensor lines 210 and 220 are exposed, and the leaked liquid It is introduced into the sensor unit 200 can quickly detect the leakage of the liquid. In addition, the dissolution unit 400 is made of a waterproof material that does not dissolve in water to prevent moisture such as water or moisture from penetrating to the sensor unit 200 side, and dissolved in response to only chemicals or oil, so that the leaky liquid detection sensor is outdoors Even if it is installed in the rain, snow, water, such as water does not malfunction, it can detect the leakage of certain chemicals.

Furthermore, the leaky liquid detecting sensor having the liquid inflow means according to the first embodiment of the present invention adjusts the thickness of the dissolution part 400 to fill the liquid inflow groove 500, so that the leakage liquid dissolves the dissolution part 400. Can be controlled, and thus the liquid leakage detection time can be adjusted.

Referring to FIG. 4, a leak detection sensor having a liquid inflow means according to the second embodiment of the present invention is formed on the base layer 100 and the base layer 100 made of a non-conductive material similarly to the first embodiment. And the sensor part 200, the base layer 100, the protective coating layer 300 for protecting the sensor part 200, and the dissolution part 400 for allowing the leaked liquid to flow into the sensor part 200. Include. Here, the sensor unit 200, the protective coating layer 300 and the dissolution unit 400 are the same as the sensor unit 200, the protective coating layer 300 and the dissolution unit 400 of the first embodiment described above, but the base layer ( 100) has a difference.

In detail, the base layer 100 includes an upper base layer 110 and a lower base layer 120, and a fibrous layer or a flexible material layer 130 is disposed between the upper base layer 110 and the lower base layer 120. It is built. The fibrous layer or flexible material layer 130 serves to enhance the durability of the base layer 100.

Referring to FIG. 5, the leak detection sensor having the liquid inflow means according to the third embodiment of the present invention is formed on the base layer 100 and the base layer 100 made of a non-conductive material as in the first embodiment. And the sensor part 200, the base layer 100, the protective coating layer 300 for protecting the sensor part 200, and the dissolution part 400 for allowing the leaked liquid to flow into the sensor part 200. Include.

Here, the dissolution unit 400 is divided into a plurality of dissolution regions 410, 420, 430, 440, and 450 along the liquid inlet groove 500. The plurality of dissolution regions 410, 420, 430, 440, and 450 are each made of a material dissolved by different kinds of liquids (acid chemicals, basic chemicals, organic chemicals, oils, etc.).

By such a configuration, each of the plurality of dissolution regions 410, 420, 430, 440, and 450 is individually dissolved in an acidic medicine, a basic medicine, an organic medicine, or an oil, and the like so that the leaked liquid flows into the sensor part 200. As a result, leakage of various chemicals can be detected.

Referring to FIG. 6, a leak detection sensor having a liquid inflow means according to the fourth embodiment of the present invention is formed on the base layer 100 and the base layer 100 made of a non-conductive material as in the first embodiment. And the sensor part 200, the base layer 100, the protective coating layer 300 for protecting the sensor part 200, and the dissolution part 400 for allowing the leaked liquid to flow into the sensor part 200. Include.

Here, the base layer 100 is made of an upper base layer 110 and a lower base layer 120 as in the above-described second embodiment, and between the upper base layer 110 and the lower base layer 120 is a fiber layer or The flexible material layer 130 is embedded. The fibrous layer or flexible material layer 130 serves to enhance the flexibility and durability of the base layer (100).

In addition, the dissolution unit 400 is divided into a plurality of dissolution regions along the liquid inflow groove 500 as in the third embodiment. In addition, the plurality of dissolution regions are each composed of a substance dissolved by different kinds of liquids (acidic chemicals, basic chemicals, organic chemicals or oils, etc.).

By such a configuration, the plurality of dissolution regions are individually dissolved in an acidic drug, a basic drug, an organic drug, or an oil, and the like, so that the leaked liquid flows into the sensor unit 200 to detect leakage of various types of chemicals. Can be.

7 and 8, 9a and 9b, the leak detection sensor having a liquid inflow means according to a fifth embodiment of the present invention, the base layer 100, the base layer made of a non-conductive material similar to the first embodiment The sensor unit 200 formed on the 100 and made of a conductive material, the protective layer 300 to protect the base layer 100 and the sensor unit 200, and the leaked liquid flow into the sensor unit 200. It includes a dissolution unit 400.

Here, the base layer 100 is composed of an upper base layer 110 and a lower base layer 120, a fiber layer or flexible material layer 130 is embedded between the upper base layer 110 and the lower base layer 120 do. The fibrous layer or flexible material layer 130 serves to enhance the durability of the base layer 100.

Preferably, the pair of sensor lines 210 and 220 may be applied or printed on the base layer 100 to be different from each other in height and welded to each other. Specifically, the first sensor line 210 of the pair of sensor lines is buried in the upper base layer 110 so that the top surface is exposed before the protective coating layer 300 is coated. In addition, the second sensor line 220 of the pair of sensor lines is formed on the upper base layer 110 so that the top surface is exposed even after the protective coating layer 300 is coated. Here, the second sensor line 220 is coated or printed with a conductive ink made by mixing a substance that dissolves a substance and a resin component whose resistance value changes while being deformed by the leaking liquid.

In addition, the protective coating layer 300 allows only a part of the upper surface of the first sensor line 210 (the end side adjacent to the liquid inflow groove 500) to be exposed to the outside, and the entire upper surface of the second sensor line 220 is externally provided. Coated on top base layer 110 to be exposed to. Subsequently, the dissolution material 400 is formed by filling the dissolution material in the liquid inflow groove 500.

Accordingly, the first sensor line 210 is not exposed to the outside by the protective coating layer 300 and the dissolution unit 400, and the second sensor line 220 has an upper surface at substantially the same height as the protective coating layer 300. This state is exposed to the outside. In this case, the protective coating layer 300 may be selectively formed according to the purpose of constructing the leakage detecting sensor part on the book side and the upper part of the upper base layer 110 which are not adjacent to the liquid inflow groove 500 of the second sensor line 220. Can be used.

By such a configuration, when the conductive liquid leaks, the leaked liquid dissolves the dissolution unit 400 and then flows into the liquid inlet groove 500 so that the first sensor line 210 and the second sensor line 220 are separated. By contact and generating a short, chemical leakage is detected. In addition, even when the low conductivity or non-conductive liquid leaks, the resistance of the second sensor line 220 which is always exposed is deformed by the leaking liquid and the resistance thereof changes, thereby detecting chemical leakage.

Referring to FIG. 10, a leak detection sensor having a liquid inflow means according to a sixth embodiment of the present invention is formed on a base layer 100 and a base layer 100 made of a non-conductive material as in the fifth embodiment. And the sensor part 200, the base layer 100, the protective coating layer 300 for protecting the sensor part 200, and the dissolution part 400 for allowing the leaked liquid to flow into the sensor part 200. Include.

The base layer 100 is composed of an upper base layer, a fibrous layer or a flexible material layer, and a lower base layer. The sensor unit 200 includes a first sensor line 210 that is not exposed to the outside and a second sensor line 220 where the top surface is exposed to the outside. The second sensor line 220 is coated or printed with a conductive ink formed by mixing a substance that dissolves a substance and a resin component whose resistance value changes while being deformed by the leaking liquid.

In addition, the dissolution unit 400 is made of an insulating and waterproof material dissolved by an acidic drug, a basic drug, an organic drug or an oil. The dissolution unit 400 is divided into a plurality of dissolution regions 410, 420, 430, 440, and 450 along the liquid inlet groove 500. The plurality of dissolution regions 410, 420, 430, 440, and 450 are each made of a material dissolved by different kinds of liquids (acid chemicals, basic chemicals, organic chemicals, oils, etc.).

By such a configuration, the sensor unit 200 can detect not only the conductive liquid but also the low conductive or non-conductive liquid, and the plurality of dissolution regions 410, 420, 430, 440 and 450 of the dissolution unit 400 can be detected. It can be used to detect leaks of various kinds of chemicals.

Referring to FIG. 11, a leak detection sensor having a liquid inflow means according to a seventh embodiment of the present invention is formed on the base layer 100 and the base layer 100 made of a non-conductive material as in the sixth embodiment. And the sensor part 200, the base layer 100, the protective coating layer 300 for protecting the sensor part 200, and the dissolution part 400 for allowing the leaked liquid to flow into the sensor part 200. Include.

The base layer 100 is composed of an upper base layer, a fibrous layer or a flexible material layer, and a lower base layer. The sensor unit 200 includes a first sensor line 210 that is not exposed to the outside and a second sensor line 220 where the top surface is exposed to the outside. The second sensor line 220 is coated or printed with a conductive ink formed by mixing a substance that dissolves a substance and a resin component whose resistance value changes while being deformed by the leaking liquid.

In addition, the dissolution unit 400 is made of an insulating and waterproof material dissolved by an acidic drug, a basic drug, an organic drug or an oil. The dissolution unit 400 is divided into a plurality of dissolution regions 410, 420, 430, 440, and 450 along the liquid inlet groove 500. The plurality of dissolution regions 410, 420, 430, 440, and 450 are each made of a material dissolved by different kinds of liquids (acid chemicals, basic chemicals, organic chemicals, oils, etc.).

Here, the second sensor line 220 is divided into a plurality of sensor regions 221, 222, and 223 along the longitudinal direction. The plurality of sensor regions 221, 222, and 223 are each made of a material whose resistance value is changed in response to different kinds of liquids (acid chemicals, basic chemicals, organic chemicals, oils, etc.). For example, the conductive ink used in the second sensor line 220 may react with various liquids such as acidic chemicals, basic chemicals, organic chemicals, or oils individually to change their resistance values, and general resins (PP, PE, PVC, POM, PC, PU, etc.) or fluorine resin (PFA, PCTFE, ETFE, FEP, etc.) is made by mixing the components that dissolve.

By such a configuration, the sensor unit 200 can detect not only the conductive liquid but also the low conductive or non-conductive liquid, and the plurality of dissolution regions 410, 420, 430, 440 and 450 of the dissolution unit 400 can be detected. It is possible to detect leaks of various kinds of chemicals, and to detect various types of low conductive or non-conductive liquids using the plurality of sensor regions 221, 222, and 223 of the sensor unit 200. .

The embodiments of the present invention described above are merely illustrative of the technical idea of the present invention, and the protection scope of the present invention should be interpreted by the following claims. In addition, one of ordinary skill in the art to which the present invention pertains will be capable of various modifications and variations without departing from the essential characteristics of the present invention, all technical ideas within the scope equivalent to the present invention of the present invention It should be interpreted as being included in the scope of rights.

Claims (12)

A base layer made of a non-conductive material containing a general resin or a fluororesin;
A sensor unit including a pair of sensor lines disposed to be spaced apart from each other in parallel to each other along a length direction on the base layer, and comprising a conductive material;
The base layer is coated on the base layer such that the base layer is exposed to the outside between the pair of sensor lines while preventing the pair of sensor lines from being exposed to the outside, thereby extending the longitudinal direction between the pair of sensor lines. A protective coating layer formed along the liquid inflow groove extending from the non-conductive material; And
And a liquid inlet means filled in said liquid inlet groove and including a dissolving portion made of a substance dissolved by the leaked liquid such that the leaked liquid contacts the pair of sensor lines.
The method of claim 1,
The base layer is made of a common resin containing at least one of PP, PE, PVC, POM, PC, and PU or a fluorine resin-based material comprising at least one of PFA, PCTFE, ETFE, and FEP. Leakage detection sensor with means.
The method of claim 1,
The sensor unit may be a mixture of a general resin including at least one of PP, PE, PVC, POM, PC, and PU, or a fluororesin component including at least one of PFA, PCTFE, ETFE, and FEP, and a component for dissolving the resin component. A liquid leakage detecting sensor having a liquid inflow means, which is formed by coating or printing a conductive ink on the base layer, followed by heating and welding.
The method of claim 1,
And the dissolving portion is made of an insulating and waterproofing material, and is dissolved by an acidic medicine, a basic medicine, an organic medicine or an oil.
The method of claim 1,
The base layer is composed of an upper base layer and a lower base layer, the liquid leakage detection sensor having a liquid inlet means, characterized in that the fiber layer or flexible material layer is embedded between the upper base layer and the lower base layer.
The method of claim 1,
The dissolving portion is made of an insulating and waterproofing material, and is dissolved by an acidic chemical, a basic chemical, an organic chemical or an oil, and the dissolving portion is divided into a plurality of dissolving regions along the liquid inlet, each of the plurality of dissolving regions. Leakage detection sensor having a liquid inlet means, characterized in that it is dissolved by different kinds of liquid.
The method of claim 1,
The base layer is composed of an upper base layer and a lower base layer, a fiber layer or a flexible material layer is embedded between the upper base layer and the lower base layer,
The dissolving portion is made of an insulating and waterproofing material, and is dissolved by an acidic chemical, a basic chemical, an organic chemical or an oil, and the dissolving portion is divided into a plurality of dissolving regions along the liquid inlet, each of the plurality of dissolving regions. Leakage detection sensor having a liquid inlet means, characterized in that it is dissolved by different kinds of liquid.
A base layer made of a non-conductive material containing a general resin or a fluororesin;
A sensor unit including a pair of sensor lines disposed to be spaced apart from each other in parallel to each other along a length direction on the base layer, and comprising a conductive material;
The first sensor line of the pair of sensor lines is printed on the upper base layer so that a part of the upper surface is exposed to the outside and the second sensor line is exposed to the entire upper surface, and the longitudinal direction is between the pair of sensor lines. A protective coating layer formed along the liquid inflow groove extending from the non-conductive material; And
And a melting part made of a substance filled in the liquid inflow groove, and made of a material dissolved by the leaked liquid so that the leaked liquid comes into contact with the pair of sensor lines.
The method of claim 8,
The base layer is composed of an upper base layer and a lower base layer, the liquid leakage detection sensor having a liquid inlet means, characterized in that the fiber layer or flexible material layer is embedded between the upper base layer and the lower base layer.
The method of claim 8,
A first sensor line of the pair of sensor lines is embedded in the upper base layer to expose an upper surface, a second sensor line of the pair of sensor lines is formed on the upper base layer,
The second sensor line is leaked detection sensor having a liquid inflow means, characterized in that the coating is applied or printed with a conductive ink made by mixing a material that dissolves the resin component and a material whose resistance value is changed by the leaking liquid .
The method of claim 8,
The dissolving portion is made of an insulating and waterproofing material, and is dissolved by an acidic chemical, a basic chemical, an organic chemical or an oil, and the dissolving portion is divided into a plurality of dissolving regions along the liquid inlet, each of the plurality of dissolving regions. Leakage detection sensor having a liquid inlet means, characterized in that it is dissolved by different kinds of liquid.
The method of claim 10,
The second sensor line is divided into a plurality of sensor regions along a length direction, and the plurality of sensor regions are each made of a material whose resistance value changes in response to different kinds of liquids. Leak detection sensor having a.

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