KR-20260064175-A - CONCRETE MOISTURE CONTENT DIAGNOSIS DEVICE, SYSTEM, AND DIAGNOSIS METHOD USING THE SAME

KR20260064175AKR 20260064175 AKR20260064175 AKR 20260064175AKR-20260064175-A

Abstract

A concrete moisture content diagnostic device according to one embodiment may include an electromagnetic sensor that penetrates an electromagnetic field to a predetermined depth of concrete and receives a detection signal that varies according to the dielectric constant of the concrete, a current supply unit that supplies current to the electromagnetic sensor, and a diagnostic unit that analyzes the moisture content of the concrete using the detection signal.

Inventors

구자욱
김창현
이은호
김지훈
심영대
박진훈

Assignees

삼성전자주식회사
성균관대학교산학협력단

Dates

Publication Date: 20260507
Application Date: 20241031

Claims (10)

An electromagnetic sensor that penetrates an electromagnetic field to a predetermined depth of concrete and receives a detection signal that varies according to the dielectric constant of the concrete; A current supply unit that supplies current to the above-mentioned electromagnetic sensor; and A concrete moisture content diagnostic device comprising a diagnostic unit that analyzes the moisture content of the concrete using the above detection signal.
In paragraph 1, the diagnostic unit is, A dielectric constant derivation unit that derives the dielectric constant of the concrete using the above detection signal; and A concrete moisture content diagnostic device comprising a moisture content analysis unit that analyzes the moisture content of the concrete according to the dielectric constant derived above.
In paragraph 1, the electromagnetic sensor is, A first coil having a wound shape having a first diameter, through which the supplied current flows; and A second coil spaced apart from the inner side of the first coil, having a wound shape having a second diameter smaller than the first diameter, through which an induced current flows; and A concrete moisture content measuring device comprising a support member that supports the shape of the first coil and the second coil.
A concrete moisture content diagnostic device comprising an electromagnetic sensor positioned such that one side faces the concrete and penetrates an electromagnetic field into the concrete, and analyzing the moisture content of the concrete using a detection signal that varies according to the permittivity of the concrete; and A concrete moisture content diagnosis system comprising a moving device connected to the other side of the above moisture content diagnosis device and moving the above moisture content diagnosis device.
In paragraph 4, the above-mentioned moving device is, A first moving part connected to the other side of the above-mentioned fluid content diagnostic device; A concrete moisture content diagnostic system comprising a second moving part that moves horizontally while supporting the first moving part.
In paragraph 5, the above-mentioned first moving part is, It has a multi-jointed arm shape, The above multi-joint arm has a central axis for each of the above joint types, The above multi-joint arm is a concrete moisture content diagnostic system capable of rotating around each of the above axes.
In paragraph 5, It further includes a lift part disposed between the first moving part and the second moving part, and The above lift unit is, A concrete moisture content diagnosis system that moves the above-mentioned first moving part in a vertical direction.
The electromagnetic sensor penetrates an electromagnetic field to a predetermined depth of the concrete and receives a detection signal that varies according to the dielectric constant of the concrete; A dielectric constant derivation unit, a step of deriving the dielectric constant of the concrete using the detection signal; and A method for diagnosing the moisture content of concrete, comprising a step in which a moisture content analysis unit analyzes the moisture content of the concrete according to the derived permittivity.
In paragraph 8, The step of the above-mentioned electromagnetic sensor receiving a detection signal is, A step in which a current supply unit supplies current to the first coil of the electromagnetic sensor; A step in which an electromagnetic field is generated by the current flowing through the first coil; The step of the electromagnetic field penetrating to a predetermined depth of the concrete; and A method for diagnosing concrete moisture content, comprising the step of a second coil of the above-mentioned electromagnetic sensor receiving a detection signal that varies according to the dielectric constant of the concrete.
In paragraph 8, A laser sensor irradiates a laser onto the concrete area into which the electromagnetic field penetrates; A temperature sensor measures the temperature around the concrete; and A method for diagnosing the moisture content of concrete, comprising the step of a humidity sensor measuring the humidity around the concrete.

Description

Concrete Moisture Content Diagnosis Device, System, and Diagnosis Method Using the Same The present disclosure relates to a device, a system, and a diagnostic method using the same for diagnosing the moisture content of concrete. For concrete structures, moisture content is a factor affecting structural strength; therefore, verifying the moisture content during the construction process is necessary to prevent substandard construction. Even for completed structures, structural strength decreases if moisture content increases due to leakage or other factors; thus, diagnosing the moisture content is crucial to ensure the long-term stability of the structure. Among the conventional methods for diagnosing leakage in concrete structures, a method for diagnosing leakage through the concrete exterior wall involves contacting a leakage detection sensor to the concrete surface to measure changes in electrical resistance within the concrete. However, due to the characteristics of concrete, the sensitivity of the detection sensor was low, resulting in a shallow diagnostic depth and making it difficult to accurately diagnose the extent of leakage. In addition, a high level of proficiency was required for the diagnosis, which inevitably led to subjective judgment. One method to increase the diagnostic depth within concrete and verify the results regarding the degree of leakage using objective numerical values is to install leakage sensors in advance within the concrete structure; however, this presents a problem in that it is difficult to apply to structures that have already been completed. FIG. 1 is a drawing illustrating a concrete moisture content diagnostic device according to one embodiment. FIG. 2 is a drawing illustrating the configuration of a concrete moisture content diagnostic device according to one embodiment. FIGS. 3 and 4 are drawings illustrating a concrete moisture content diagnosis system according to one embodiment. FIG. 5 is a drawing illustrating the configuration of a concrete moisture content diagnosis system according to one embodiment. FIGS. 6 to 11 are drawings illustrating an experiment to verify the results of a concrete moisture content inspection according to a concrete moisture content diagnostic device according to one embodiment. FIGS. 12 to 15 are flowcharts illustrated to explain a method for diagnosing the moisture content of concrete according to one embodiment. Hereinafter, embodiments of the present disclosure are described in detail with reference to the attached drawings so that those skilled in the art can easily implement the present disclosure. The present disclosure may be embodied in various different forms and is not limited to the embodiments described herein. In order to clearly explain the present disclosure in the drawings, parts unrelated to the explanation have been omitted, and the same reference numerals have been used throughout the specification for identical or similar components. Furthermore, the size and thickness of each component shown in the drawings are depicted arbitrarily for convenience of explanation, and thus the present disclosure is not necessarily limited to what is illustrated. Thicknesses have been enlarged in the drawings to clearly represent various layers and regions. Additionally, in the drawings, the thickness of some layers and regions has been exaggerated for convenience of explanation. Throughout the specification, when a part is described as being "connected" to another part, this includes not only cases where they are "directly connected," but also cases where they are "indirectly connected" with other members in between. Furthermore, when a part is described as "including" a certain component, this means that, unless specifically stated otherwise, it does not exclude other components but may include additional components. Furthermore, when it is said that a part, such as a layer, membrane, region, or plate, is "on" or "on" another part, this includes not only the case where it is "directly above" the other part, but also the case where there is another part in between. Conversely, when it is said that a part is "directly above" another part, it means that there is no other part in between. Also, saying that a part is "on" or "on" a reference part means that it is located above or below the reference part, and does not necessarily mean that it is located "on" or "on" in the direction opposite to gravity. Additionally, throughout the specification, "planar" means when the subject part is viewed from above, and "cross-sectional" means when the cross-section obtained by vertically cutting the subject part is viewed from the side. Hereinafter, a concrete moisture content diagnosis device (100), a system (10), and a diagnosis method using the same according to one embodiment of the present disclosure will be described in more detail with reference to the drawings. FIG. 1 is a drawing illustrating a concrete moisture content diagnostic device