KR20210002739U - Portable electrolysis etching apparatus - Google Patents

Abstract

The present invention relates to a portable etching inspection apparatus capable of performing photographing and hardness inspection in a batch by installing a mounting jig and replacing it with a nozzle suitable for a metal inspection target area. To this end, the present invention provides a mounting jig for performing etching on a metal inspection object, an exchangeable or integral type nozzle selectively connected to the mounting jig according to the area of the metal inspection object, and connected to the mounting jig, the metal A photographing unit that acquires a photographed image by photographing an inspection object, a determination unit that determines the degree of surface corrosion of the metal inspection object based on the photographed image and generates a satisfaction signal according to whether the etching is satisfied, and whether the satisfaction signal is generated and a monitoring unit including a notification unit that generates a light source or a warning sound according to the

Description

Portable etching inspection device {PORTABLE ELECTROLYSIS ETCHING APPARATUS}

The present invention relates to a portable etching inspection apparatus, and more particularly, a portable etching method that can perform photographing and hardness inspection in a batch by installing a mounting jig and replacing it with a nozzle suitable for the area to be inspected for metal It relates to the inspection device.

In general, if it is difficult to observe and analyze the metal surface by moving products or materials from the field to the laboratory or collecting specimens, use portable equipment to electrochemically corrode the metal surface at the site (electrolytic etching, etching) and then corrode The surface is photographed and hardness is measured.

Since electrolytic etching is processed using a chemical reaction, processing occurs unevenly if foreign substances are on the surface of the workpiece. Therefore, a cleaning process to remove foreign substances is required before and during processing.

In order to electrolytically etch a metal surface in the field, an operator must install appropriate equipment for each metal surface area each time and replace it after completing the work. In particular, since the nozzle, which is a corrosion device, is used in a limited area of the metal surface, it is moved up, down, left, and right to etch a large area. There is a problem that occurs when it cannot be obtained.

On the other hand, Korean Patent No. 10-1164596 discloses an electrolytic etching bath for performing an etching process on a metal layer formed on an insulating substrate, an electrolytic solution having an etching power, an electrolytic etching bath, and an electrolytic etching bath for etching process A nozzle for spraying the etching solution used, a first electrode for electrolytic etching disposed between the metal layer and the nozzle, a first rectifier connecting the first electrode for electrolytic etching and the metal layer to apply a current, and the metal of the metal layer etched by the etching solution Disclosed is an electrolytic etching apparatus capable of forming an ultra-fine pattern by providing an etching force close to perpendicular to a metal layer to be etched using an electric electrode, including a reduction apparatus for reducing ions.

Korean Patent Registration No. 10-1164596 (2012.07.04, registered)

Therefore, the present invention was derived to solve the above-mentioned problems, and the present invention is a method of replacing a nozzle suitable for the metal inspection target area by mounting a mounting jig, so that shooting and hardness inspection can be performed collectively. An object of the present invention is to provide a portable etching inspection apparatus.

Another object of the present invention is to provide a portable etching inspection apparatus capable of reducing the time required for metal surface corrosion, imaging, and hardness inspection using portable inspection equipment widely used in industry and research sites.

In addition, another object of the present invention is to provide a portable etching inspection apparatus capable of improving the accuracy of on-site metallographic analysis by minimizing changes in experimental results that may occur irregularly depending on the skill of the operator, changes in the test target area, and the like.

Other objects of the present invention will become clearer through the examples described below.

A portable etching inspection apparatus according to an aspect of the present invention includes a mounting jig having a predetermined area and performing etching on a metal inspection object; a nozzle selectively connected to the mounting jig according to the area of the metal inspection object and formed in an exchangeable or integral form having different areas; and a photographing unit connected to the mounting jig to obtain a photographed image by photographing the metal inspection object, determining the degree of surface corrosion of the metal inspection object based on the photographed image, and generating a satisfaction signal according to whether the etching is satisfied and a monitoring unit including a determining unit and a notification unit generating a light source or a warning sound according to whether the satisfaction signal is generated.

The portable etching inspection apparatus according to the present invention may have one or more of the following embodiments.

For example, it may further include an electrolyte supply pipe connected to the mounting jig and connected to the electrolyte storage tank to supply the electrolyte to the nozzle.

A washing solution supply pipe connected to the mounting jig and connected to the washing solution storage tank to supply the washing solution to the nozzle may be further included.

The control unit may further include a control unit for controlling the supply of the electrolyte and the cleaning solution according to the preset electrolyte supply amount and the preset cleaning liquid supply amount.

It may further include a foreign material removal pipe connected to the mounting jig, to remove the foreign material by spraying air to the metal inspection object.

The monitoring unit may determine the degree of surface corrosion by comparing the pre-learned average surface roughness data for each metal with the photographed image, and supply the electrolyte through the control unit if the etching is unsatisfactory.

The mounting jig may be formed by a plurality of moving members connected to a lower portion, a handle member connected to a side surface or an upper portion, or divided into a plurality of folds through a hinge connection.

The nozzle may be formed in plurality so that the length and the size of the outlet are different according to the area of the metal inspection target.

The portable etching inspection apparatus according to the present invention provides the following effects.

The present invention has the effect of collectively performing photographing and hardness inspection by installing a mounting jig and replacing it with a nozzle suitable for the area to be inspected for metal.

The present invention has the effect of reducing the time required for metal surface corrosion, imaging and hardness inspection using portable inspection equipment widely used in industry and research sites.

The present invention has the effect of improving the accuracy of on-site metallographic analysis by minimizing changes in experimental results that may occur irregularly depending on the skill level of the operator, changes in the test target area, etc.

Effects of the present invention are not limited to those mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the following description.

1 is a block diagram illustrating a portable etching inspection apparatus according to an embodiment of the present invention.
2 is a block diagram illustrating a portable etching inspection apparatus according to another embodiment of the present invention.

Since the present invention can apply various transformations and can have various embodiments, specific embodiments are illustrated in the drawings and described in detail in the detailed description. However, this is not intended to limit the present invention to a specific embodiment, it should be understood to include all transformations, equivalents and substitutes included in the spirit and scope of the present invention. In describing the present invention, if it is determined that a detailed description of a related known technology may obscure the gist of the present invention, the detailed description thereof will be omitted.

The terms used in the present application are only used to describe specific embodiments, and are not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In the present application, terms such as “comprise” or “have” are intended to designate that a feature, number, step, operation, component, part, or combination thereof described in the specification exists, but one or more other features It should be understood that this does not preclude the existence or addition of numbers, steps, operations, components, parts, or combinations thereof.

Terms such as first, second, etc. may be used to describe various elements, but the elements should not be limited by the terms. The above terms are used only for the purpose of distinguishing one component from another.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings, and in the description with reference to the accompanying drawings, the same or corresponding components, regardless of reference numerals, are given the same reference numbers and duplicates thereof A description will be omitted.

Hereinafter, a portable etching inspection apparatus according to embodiments of the present invention will be described in detail with reference to FIGS. 1 and 2 .

1 is a block diagram illustrating a portable etching inspection apparatus according to an embodiment of the present invention.

As shown in FIG. 1 , a portable etching inspection apparatus according to an embodiment of the present invention includes a mounting jig 110 , a nozzle 120 , an electrolyte supply pipe 130 , a cleaning solution supply pipe 140 , and a control unit 160 . Including, the foreign matter removal pipe 150 and the monitoring unit 170 may be further included.

The mounting jig 110 is formed to have a predetermined area for performing etching on a metal inspection object. The mounting jig 110 serves to connect the nozzle 120, the electrolyte supply pipe 130, the cleaning solution supply pipe 140, the foreign material removal pipe 150, the control unit 160, and the monitoring unit 170 into one. .

The mounting jig 110 is a holding member ( not shown) may be included. The holding member may be formed in a shape such as tongs having elasticity, as a bracket, as a clamp, as a semi-permanent adhesive, as a fastening product such as a bolt-nut, or as a magnet.

In one embodiment, the mounting jig 110 may be formed to facilitate movement by connecting a plurality of movable members to the lower portion. The plurality of moving members may be formed of wheels, ball bearings, rails, or the like. The mounting jig 110 may be easily moved through a moving member that moves in contact with the ground because it becomes difficult for an operator to lift and move when the weight exceeds a certain level.

In another embodiment, the mounting jig 110 may be formed so that a handle member is connected to the side or upper portion to be easily lifted by an operator. The portable etching inspection apparatus may be moved by a worker holding the mounting jig 110 through a handle member for easy portability.

In another embodiment, the mounting jig 110 may be formed to be easily portable since it is divided into approximately quadrilateral and the divided portions are connected through a mutual hinge coupling and then folded.

The nozzle 120 is used to electrolytically etch the metal inspection object, and is selectively connected to the mounting jig 110 according to the area of the metal inspection object. The nozzle 120 may be formed in plurality so that the length and the size of the discharge hole are different according to the area of the metal inspection object, and may be selectively connected to the mounting jig 110 . For example, the nozzle 120 may include a size of 18 mm x 14 mm used for general tissue specimens, a size of 30 mm x 20 mm used for observing large welds, and a size of 10 mm x 10 mm used for testing ASTM A262-A. have.

In one embodiment, the nozzle 120 may be formed in the form of a bellows so that the length can be adjusted according to the area of the metal inspection target.

The electrolyte supply pipe 130 is connected to the mounting jig 110 , and is connected to an electrolyte storage tank (not shown) storing the electrolyte to supply the electrolyte to the nozzle 120 . A separate valve is disposed in the electrolyte supply pipe 130 so that opening and closing of the valve is determined according to the control of the control unit 160 , so that the electrolyte supply amount can be adjusted. The electrolyte may be applied to the surface of a metal inspection target to corrode the metal.

The cleaning solution supply pipe 140 is connected to the mounting jig 110 and is connected to a cleaning solution storage tank (not shown) storing the cleaning solution to supply the cleaning solution to the nozzle 120 . In the washing solution supply pipe 140 , a separate valve is disposed, and opening and closing of the valve is determined according to the control of the control unit 160 , so that the washing solution supply amount can be adjusted. The cleaning solution is made of a disinfectant such as alcohol and can be used to clean the surface of the metal test object after the electrolyte is applied.

The foreign material removal pipe 150 is connected to the mounting jig 110, and sprays air on the surface of the metal inspection object to remove the foreign material. In the foreign material removal pipe 150 , a separate valve is disposed so that opening and closing of the valve is determined according to the control of the control unit 160 , so that the air supply amount can be adjusted.

The control unit 160 controls the supply of the electrolyte, the cleaning solution, and the air according to the preset electrolyte supply amount, the preset cleaning liquid supply amount, and the air supply amount by the operator control. The control unit 160 may control the supply of electrolyte, cleaning solution, and air by controlling the opening and closing of valves installed in each of the electrolyte supply pipe 130 , the cleaning solution supply pipe 140 , and the foreign material removal pipe 150 .

The electrolyte supply amount may be provided in proportion to the inspection area of the metal inspection object, the cleaning liquid supply amount may be provided in proportion to the electrolyte supply amount, and the air supply amount may be provided in proportion to the inspection area of the metal inspection object.

The monitoring unit 170 may be connected to the mounting jig 110 and may determine whether the etching state of the metal inspection target is appropriate. To this end, the monitoring unit 170 may include a photographing unit 171 , a determining unit 172 , and a notification unit 173 .

When the etching of the metal inspection object through the electrolyte supplied from the electrolyte supply pipe 130 and the cleaning of the metal inspection object through the cleaning liquid supplied from the cleaning liquid supply pipe 140 are completed, the photographing unit 171 photographs the metal inspection object and photographing it image can be obtained. The photographing unit 171 may generate a photographed image by photographing the metal inspection object at a preset magnification.

The determination unit 172 may determine the degree of surface corrosion of the metal inspection target based on the captured image, and may generate a satisfaction signal according to whether or not etching is satisfied as a result of the determination. The determination unit 172 classifies the previously collected captured images by metal and then learns to generate average surface roughness (roughness) data for each metal, and compares the average surface roughness data for each metal with the captured images to be inspected for metal can determine the degree of surface corrosion of

The determination unit 172 generates a satisfaction signal when it is determined that the etching is appropriate as a result of the determination of the degree of surface corrosion, and generates a dissatisfaction signal when the etching is unsatisfactory to generate an electrolyte solution on the surface of the metal inspection target under the control of the control unit 160 . can supply more.

The notification unit 173 may generate a light source or a warning sound according to whether a satisfaction signal is generated. A light source may be provided through a Light Emitting Diode (LED) lamp, and a warning sound may be provided through a speaker. For example, the notification unit 173 may generate a green light source when a satisfaction signal is generated, and generate a red light source and a warning sound when a dissatisfaction signal is generated.

2 is a block diagram illustrating a portable etching inspection apparatus according to another embodiment of the present invention.

As shown in FIG. 2 , a portable etching inspection apparatus according to another embodiment of the present invention includes a mounting jig 110 , a nozzle 120 , an electrolyte supply pipe 130 , a cleaning solution supply pipe 140 , and a control unit 160 . ), and may further include a foreign material removal pipe 150 and a monitoring unit 170 .

In the portable etching inspection apparatus according to another embodiment of the present invention, all configurations described in FIG. 1 include the mounting jig 110 , the nozzle 120 , the electrolyte supply pipe 130 , the cleaning solution supply pipe 140 , and the foreign material removal pipe 150 ). , the same as the control unit 160 and the monitoring unit 170 , the electrolyte supply pipe 130 , the cleaning solution supply pipe 140 , and the foreign material removal pipe 150 are included in the nozzle 120 .

The nozzle 120 may be formed of a capsule-type tube surrounding the electrolyte supply pipe 130 , the cleaning solution supply pipe 140 , and the foreign material removal pipe 150 , and the electrolyte supply pipe 130 , the cleaning solution supply pipe 140 , the foreign material removal pipe 150 . ) can be bundled together, so that the electrolyte is applied to the surface of the metal inspection object at the same location, the cleaning solution is sprayed, and the air is sprayed.

In addition, the monitoring unit 170 is directly connected to the mounting jig 110 or disposed at the exit of the nozzle 120 , that is, at the end of the nozzle 120 close to the metal inspection object, so as to take a picture of the surface of the metal inspection object. This can be improved.

Hereinafter, an electrolytic etching process using a portable etching inspection device will be described.

In the portable etching apparatus, a nozzle 120 suitable for the area of the metal inspection target is selected and connected to the mounting jig 110 , and the remaining electrolyte supply pipe 130 , the cleaning solution supply pipe 140 , the foreign material removal pipe 150 , the control unit 160 and the monitoring unit 170 are connected to the mounting jig 110 .

At this time, the nozzle 120 is installed at an appropriate position of the mounting jig 110 so that the outlet can be in close contact with the surface of the metal inspection object, and the outlet is in close contact with the surface of the metal inspection object. The portable etching apparatus removes foreign substances present on the surface of the metal inspection object by spraying air through the foreign material removal pipe 150 when necessary.

The portable static etching apparatus starts electrolytic etching by applying an electrolyte to the surface of the metal inspection object through the electrolyte supply pipe 130 by supplying power to the control unit 160 under the control of the control unit 160 . The portable etching apparatus applies an electrolyte solution according to a predetermined time or a predetermined electrolyte supply amount, and then applies the cleaning solution to the surface of the metal inspection object through the cleaning solution supply pipe 160 to clean the corresponding area.

After cleaning, the portable etching apparatus acquires a photographed image by photographing the surface of the metal inspection target through the photographing unit 171 of the monitoring unit 170, and determines whether the level of surface corrosion determined by the determination unit 172 is satisfied. Results are provided as light sources or beeps.

If the portable etching apparatus is unsatisfactory, additional electrolyte is applied through the electrolyte supply pipe 130 , and the surface of the metal inspection target is re-photographed through the photographing unit 171 , and the degree of surface corrosion is satisfied through the determining unit 172 . re-evaluate

The portable etching apparatus additionally connects a hardness tester to the mounting jig 110, measures the surface hardness of the metal inspection object through the hardness tester, and stores the measured value. The measurements may be transmitted to a mobile terminal owned by the operator.

Although described above with reference to one embodiment of the present invention, those of ordinary skill in the art can variously modify the present invention within the scope that does not depart from the spirit and scope of the present invention described in the claims below. It will be appreciated that modifications and variations are possible.

110: mounting jig
120: nozzle
130: electrolyte supply pipe
140: cleaning solution supply pipe
150: foreign material removal tube
160: control unit
170: monitoring unit

Claims (8)

a mounting jig having a predetermined area and performing etching on a metal inspection object;
a nozzle selectively connected to the mounting jig according to the area of the metal inspection object and formed in an interchangeable or integral form having different areas; and
A photographing unit connected to the mounting jig and acquiring a photographed image by photographing the metal inspection object, determining the degree of surface corrosion of the metal inspection object based on the photographed image, and generating a satisfaction signal according to whether the etching is satisfied a monitoring unit comprising a unit, and a notification unit that generates a light source or a warning sound according to whether the satisfaction signal is generated.
Portable etch inspection device. According to claim 1,
Further comprising an electrolyte supply pipe connected to the mounting jig and connected to the electrolyte storage tank to supply the electrolyte to the nozzle
Portable etch inspection device. According to claim 1,
Further comprising a cleaning liquid supply pipe connected to the mounting jig and connected to the cleaning liquid storage tank to supply the cleaning liquid to the nozzle
Portable etch inspection device. According to claim 1,
Further comprising a control unit for controlling the supply of the electrolyte and the washing solution according to the preset electrolyte supply amount and the preset cleaning solution supply amount
Portable etch inspection device. According to claim 1,
Connected to the mounting jig, further comprising a foreign material removal pipe for removing foreign matter by spraying air to the metal inspection object
Portable etch inspection device. According to claim 1,
the monitoring unit
To determine the degree of surface corrosion by comparing the pre-learned average surface roughness data for each metal with the captured image, and to supply the electrolyte through the control unit if the etching is unsatisfactory
Portable etch inspection device. According to claim 1,
The mounting jig is
A plurality of movable members are connected to the lower portion, a handle member is connected to the side or upper portion, or is divided into a plurality and formed to be folded through a hinge connection.
Portable etch inspection device. According to claim 1,
the nozzle is
Characterized in that it is made in plurality so that the length and the size of the discharge port are different according to the area of the metal inspection object.
Portable etch inspection device.

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