KR20230020083A - Road marking paint removal equipment and how to remove road marking paint using them - Google Patents

Abstract

The present invention relates to a road paint removal apparatus using a laser beam and a road paint removal method using the same. According to the present invention, since only paint in an area where the paint is applied can be selectively removed, damage to the area where the paint is applied and asphalt surrounding the area is minimized. Accordingly, since pitting of the asphalt can be prevented, a time and a cost incurred in resurfacing a road can be reduced. The road paint removal apparatus of the present invention comprises: a housing-shaped body unit; a paint removal unit; a wheel unit; and an operation unit.

Description

Road marking paint removal equipment and how to remove road marking paint using them}

The present invention relates to a road paint removal device and a road paint removal method using the same, and more particularly, to a road paint removal device using a laser beam and a road paint removal method using the same.

On the floor surface of a road or a parking lot, markings are formed by using paint to display lanes, movement routes, letters and symbols for driving guidance, parking lines, and the like. This sign needs to be repeatedly modified or removed due to factors such as road maintenance, repair, new construction, and expansion. Representative methods for removing such markings include cutting and removing lanes, travel routes, letters and symbols for driving guidance, parking lines, etc. applied on the asphalt floor, and spraying ultra-high pressure water directly onto the road surface through a nozzle. Thus, a method of removing the driving guide text and lanes displayed on the asphalt floor is used.

The method of removing by cutting described above is a method of removing by grinding the paint, and the removal device is divided into a grinder for grinding the paint and a dust collector for recovering the sludge of the polished paint, which is inconvenient to use and saves space. The problem is that it takes up too much. In addition, there is a problem in that a lot of labor and time is required because the polishing operation is not perfectly performed according to the condition of the road surface and the operator has to perform the finishing removal operation manually. In addition, in the case of cutting, there is a case where the paint of the road and the asphalt of the area where the paint is applied and the asphalt of the area around the paint are removed together. Therefore, there is a problem in that cost and time are required because the road has to be re-paved. In addition, since a large amount of scattering occurs during the cutting process, there is a problem that it is not easy for the operator to proceed with the removal process.

The method of removing paint by directly spraying ultra-high-pressure working water on the road surface through a nozzle requires a separate large-sized watering vehicle, so it takes up a lot of space and causes inconvenience to passing vehicles, and a large amount of water is applied to the road surface. There is a problem that it flows to the surroundings as it is sprayed and harms the driving environment of a general vehicle.

Therefore, there is a need for a road paint removal device that can accurately and quickly remove only the paint applied to the bottom surface of the asphalt and can be safely controlled by a worker.

1. Korean Registered Patent Publication No. 10-0330392 ("Apparatus for applying, regenerating and removing road lanes by electromagnetic induction heating method", 2002.03.15.)

The present invention has been made to solve the above problems, and an object of the present invention is to minimize damage to the paint application area and asphalt around the application area by allowing only the paint of the area where the paint is applied to be selectively removed, It is an object of the present invention to provide a road paint removal device and a road paint removal method using the same, which can reduce the time and cost of resurfacing the road by preventing pitting of the asphalt.

In addition, since it is not a removal method using grinding and cutting by physical force, it is possible to reduce noise during the paint removal process, and since scattering is suppressed as vibration generated during the paint removal process is reduced, workers can safely and accurately It is to provide a road paint removal device capable of removing paint and a road paint removal method using the same.

The road paint removal device of the present invention includes a housing-shaped body portion having an internal space; a paint removal unit installed in the inner space of the body unit and radiating a laser beam to a paint area applied to the road; a wheel unit installed under the body to be movable; It is characterized in that it includes; a control unit installed on the upper surface or side of the body and installed to control the on/off of the paint removal unit or the wheel unit.

In addition, the paint removal unit provides a laser light source, a laser unit for oscillating a laser beam, a cooling unit for cooling the laser unit, a power supply unit for supplying power to the laser unit, and receiving a laser beam from the laser unit, An irradiation unit that transforms the shape of the received laser beam and irradiates a laser onto a paint area applied on a road, and a connection unit installed between the laser unit and the irradiation unit to allow the laser beam generated by the laser unit to move to the irradiation unit It is characterized in that it includes.

In addition, the road paint removal device may further include a collection unit for collecting foreign substances generated while the paint removal unit removes the paint.

In addition, the collection part is formed by extending a polygonal column or cylindrical tube in the longitudinal direction, and is coupled to a suction part through which foreign substances are sucked at one end and the other end of the suction part, and is installed to communicate with the suction part. , The dust collecting part in the form of an enclosure and a polygonal column or cylindrical tube having an internal space formed therein to collect foreign substances sucked from the suction part are formed to extend in the longitudinal direction, and are formed to communicate with the dust collecting part, and the suctioned through the suction part is formed. It is characterized in that it further comprises a discharge through which air is discharged to the outside.

In addition, the collecting unit may further include a spray nozzle through which liquid or gas is sprayed at a lower end of the suction unit.

In addition, the road paint removal device has at least one of a cart type in which a handle is installed so that a worker can directly move it, a type in which a coupling means is installed so that it can be coupled to a vehicle, and an automatic control module installed so that it can be operated unmanned. It is characterized in that it is used in a selected form.

In addition, the automatic control module receives a radar unit that collects work area information by detecting a paint area applied on the road, and receives the work area information collected from the radar unit, and the road paint removal device collects the work area information. and a communication unit that transmits an operation signal to the outside so as to be operated based on the communication unit, and a control unit that receives the operation signal transmitted by the communication unit and controls the operation of the paint removal unit or the wheel unit.

The automatic control module may further include an obstacle detection sensor for detecting an obstacle, and when it is determined that an obstacle is detected by the obstacle detection sensor, an obstacle detection notification is transmitted to a worker's terminal or PC.

The road paint removal method using the road paint removal device of the present invention includes a detection step of detecting the paint applied to the asphalt floor by a radar unit installed in the road paint removal device; a first determination step of determining whether paint is detected in the detection step; a receiving step in which the communication unit receives the work area information transmitted by the radar unit when it is determined that paint is detected in the first determination step; a transmitting step of transmitting an operation signal to the controller based on the work area information transmitted in the receiving step; And a paint removal step of receiving the operation signal transmitted in the transmission step and irradiating a laser beam to an asphalt floor surface corresponding to a work area by a paint removal unit installed in the road paint removal device; including, after the paint removal step, It is characterized in that a paint removal operation completion notification signal is transmitted to the worker's terminal or PC, and when it is determined that the paint is not detected in the first determination step, the detection step is re-progressed.

In addition, the removal method may include, after the paint removal step, a second determination step of determining whether the paint of the work area is removed by the radar unit; When it is determined that the paint is detected in the second determination step, an additional removal step of re-producing the paint removal operation by irradiating a laser beam to the work area by the paint removal unit; further comprising, after the additional removal step, the operator Characterized in that a paint removal operation completion notification signal is transmitted to the terminal or PC, and when it is determined that the paint is not detected in the second determination step, the paint removal operation completion notification signal is transmitted to the operator's terminal or PC to be characterized

The road paint removal device and method of removing road paint using the same of the present invention according to the above configuration can selectively remove only the paint of the area where the paint is applied, thereby minimizing damage to the paint application area and the asphalt around the application area, Since pitting can be prevented, the time and cost of resurfacing roads can be reduced.

In addition, since the removal method does not use grinding and cutting by physical force, noise generation during the paint removal process can be reduced, and since there is almost no vibration during the paint removal process, scattering is also reduced, allowing the operator to safely and accurately remove the paint. There is an effect that you can do it.

1 is a perspective view of a road paint removal device according to an embodiment of the present invention
Figure 2 is a plan cross-sectional view of a road paint removal device according to an embodiment of the present invention
Figure 3 is a side view of a road paint removal device according to an embodiment of the present invention
Figure 4 is a side cross-sectional view of a road paint removal device according to an embodiment of the present invention
Figure 5 is a plan view of the paint collection unit of the road paint removal device according to an embodiment of the present invention
Figure 6 is a bottom view of the suction part of the paint collection unit of the road paint removal device according to a modified example of an embodiment of the present invention
Figure 7 is a schematic view of the shape of a beam irradiated from a road paint removal device according to various embodiments of the present invention
Figure 8 is a schematic diagram of a road paint removal device according to another embodiment of the present invention
9 is a flow chart of a road paint removal method using a road paint removal device according to another embodiment of the present invention

Hereinafter, an embodiment of the present invention as described above will be described in detail with reference to the drawings.

1 shows a perspective view of a road paint removal device according to an embodiment of the present invention. As shown in FIG. 1, the road paint removal device of the present invention has a body portion 100 in the form of an enclosure in which an internal space is formed, and a paint removal unit for removing paint by irradiating a laser beam to the inside of the body portion 100. (200) is installed.

In order to collect foreign substances generated when the paint removal unit 200 removes the paint applied to the asphalt floor, the body unit 100 is provided with a collection unit 300 detachably installed to remove foreign substances generated during the paint removal operation. can capture.

An operation unit 110 is installed on the upper surface of the body unit 100 so that an operator can operate the road paint removal device of the present invention. At the rear, a handle part 130 is provided so that the operator can move the road paint removal device, and at least one wheel part 120 is installed below the body part 100 so that the road paint can move forward or backward. has been

이상인 것이 바람직하다.The control unit 110 is installed to operate various operations of the road paint removal device, and can control the on/off operation of the road paint removal device and the shape and intensity of the laser beam irradiated to the paint area. The intensity of the laser beam can be adjusted by the operator considering the working environment.

It is preferable to be more than

The road paint removal device of the present invention may be used in a charging method with a battery provided therein, or may be used in a form in which electricity is supplied from the outside.

The road paint removal device of the present invention is in the form of a cart equipped with a handle portion 130, and a worker directly pushes the road paint removal device to proceed with the paint removal operation. However, this is only one embodiment, and in another embodiment, a separate coupling part is installed, and the coupling part is coupled to the vehicle so that the worker can drive the vehicle to remove the paint without pushing it directly, making the work easier. may proceed. In addition, the road paint removal device may be robotized to perform the paint removal operation unattended. A description of the robotized road paint removal device will be described later in detail.

Figure 2 shows a top cross-sectional view of a road paint removal device according to an embodiment of the present invention. As shown in FIG. 2, the paint removal unit 200 provided inside the body unit 100 includes a cooling unit 210, a laser unit 220, a power supply unit 230, and an irradiation unit 250 for irradiating a laser beam. consists of More specifically, the laser unit 220 provides a laser light source, and at this time, the oscillated laser beam is transmitted to the irradiation unit 250 . A connection unit 240 is installed between the laser unit 220 and the irradiation unit 250, and the connection unit 240 serves as a passage through which the laser beam oscillated by the laser unit 220 is transmitted to the irradiation unit 250. At this time, the connecting portion 240 is preferably an optical fiber. The power supply unit 230 supplies power so that the laser unit 220 can oscillate a laser beam, and the cooling unit 210 cools heat generated from the laser unit 220 . At this time, the cooling unit 210 may be installed in a water-cooled or air-cooled manner.

강도의 강한 레이저 빔이 조사되기 때문에 아스팔트 바닥면에 도포된 페인트를 제거할 수 있다.The irradiation unit 250 receives the laser beam oscillated from the laser unit 220 and irradiates the laser beam to the paint area. A through hole is formed in a portion of the passing body portion 100 . The laser beam oscillated from the laser unit 220 is in the form of a straight line, but when the laser beam is irradiated to the paint area in the form of a dot, it takes a long time to remove the paint. change into a beam shape. At this time, the width of the line beam or the diameter of the ring beam is deformed to be 10 cm or more, so that the lane-shaped paint formed on the road can be easily removed. The laser beam is irradiated to the paint area through the irradiation unit 250, as described above.

Because a high-intensity laser beam is irradiated, the paint applied to the asphalt floor can be removed.

As described above, since a through hole is formed in the body portion 100 in the area where the irradiation unit 250 is installed, foreign substances generated during paint removal may adhere to the irradiation unit 250 . To prevent this, a paint collecting unit 300 is provided. The paint collecting unit 300 will be described in more detail with reference to FIGS. 3 and 4 . In addition, the irradiation unit 250 is also sealed so that outside air or foreign substances do not flow in, and a positive pressure environment is maintained.

As such, the road paint removal device of the present invention removes the paint by irradiating a laser beam to the paint area applied to the floor surface, and noise and vibration are not generated, thereby preventing noise damage that may occur during the paint removal operation. In addition, since no vibration occurs, scattering does not occur, so there is an effect that the operator can safely proceed with the paint removal operation.

3 illustrates a side view of a road paint removal device according to one embodiment of the present invention. As described above, the paint removal device of the present invention includes a collection unit 300 that collects foreign substances generated while the paint removal unit 200 irradiates a laser beam to remove paint. An inlet 310 in the form of a pipe for sucking foreign substances is installed in front of the body 100 to prevent foreign substances from being attached to the irradiation unit 250 . At this time, in order to prevent foreign substances from leaking out and to increase the suction efficiency of the suction unit 310, it is preferable that a suction unit auxiliary means is installed at one end of the suction unit 310.

The other end of the suction part 310 is installed to communicate with the dust collecting part 320 installed on the upper surface of the body part 100, and foreign substances sucked into the suction part 310 are collected in the dust collecting part 320. At this time, since the foreign matter is collected in the dust collecting unit 320 and the air introduced together must be exhausted to the outside, the discharge unit 330 is installed in communication with the dust collecting unit 320 .

At this time, the suction unit 310, the dust collecting unit 320, and the discharge unit 330 are installed to be detachable, characterized in that they are easy to manage. It is described that the dust collecting part 320 is installed on the upper surface of the body part 100 is for explaining one embodiment, it is not intended to limit the location where the dust collecting part 320 is installed, and the operator considers the working environment Can be installed in any location.

Figure 4 shows a cross-sectional side view of a road paint removal device according to an embodiment of the present invention. As shown in Figure 4, the paint (P) is applied to the bottom surface of the asphalt (A). The laser beam (B) oscillated by the laser unit 220 passes through the connection unit 240 and moves to the irradiation unit 250, and the irradiation unit 250 irradiates the laser beam (B) to remove the paint (P).

Foreign matter generated during the paint removal operation is collected through the suction part 310 to prevent the foreign matter from being attached to the irradiation part 250, and since the foreign matter is sucked into the suction part 310 as soon as it occurs, the paint P is accurately applied. It has the effect of being able to remove it.

Figure 5 shows a plan view of the paint collection unit of the road paint removal device according to an embodiment of the present invention. As shown in FIG. 5, the dust collecting unit 320 has a space inside which foreign substances can be stored. Inside the dust collector 320, a housing-shaped fluid passage part 321 is installed, and the outer surface of the fluid passage part 321 preferably has a mesh structure in which a plurality of through holes are formed. The suction part 310 is formed in communication with the fluid passage part 321, and foreign matter generated when the paint removal part 200 removes the paint is sucked by the suction part 310 and collected by the fluid passage part 321. do.

The air moves through the through hole formed in the fluid passage part 321 to be exhausted to the outside through the discharge part 330, and since the foreign matter has a larger particle size than the diameter of the through hole of the fluid passage part 321, the fluid passage part ( 321) cannot pass through. The discharge unit 330 is installed to communicate with the outer wall of the dust collecting unit 320, and the air passing through the fluid passage part 321 is exhausted to the outside through the discharge unit 330.

At this time, when fine particles among the foreign substances collected in the dust collection unit 320 pass through the fluid passage part 321, they may be exhausted to the outside through the discharge part 330 together with air. To prevent this, a filter unit 331 is installed on the flow path of the discharge unit 330 to prevent fine particles from being discharged into the air. At this time, the filter unit 331 is also characterized in that it is installed to be replaceable, and the number of filter units 331 can be easily adjusted by the operator.

Figure 6 shows a bottom view of the suction part of the paint collection unit of the road paint removal device according to a modified example of an embodiment of the present invention. As shown in FIG. 6 , at least one spray nozzle 311 for spraying liquid or gas may be installed at the lower end of the suction unit 310 or the suction unit auxiliary means, as shown in FIG. 5 . When scattering occurs during paint removal by spraying a liquid from the spray nozzle 311, the scattering and water droplets are combined so that they fall to the floor by the weight of the water droplets instead of being blown away. In addition, there is an effect that the paint can be accurately and neatly removed by spraying pressure gas from the spray nozzle 311 to remove foreign substances in the paint area.

At this time, the operation of the injection nozzle 311 is preferably controlled by the control unit 110, and the operator can flexibly control the on/off control, liquid injection, gas injection, spraying time interval, etc. according to the working environment. there is.

In addition, although not shown in the drawings, the paint removal device of the present invention may further include a liquid storage tank for supplying liquid to the spray nozzle 311 and a pump for supplying pressure gas.

Figure 7 shows a schematic diagram of the shape of a beam irradiated from a road paint removal device according to various embodiments of the present invention. The shape of the laser beam irradiated from the irradiation unit 250 is a line beam B1 as shown in (a) of FIG. 7, a ring beam B2 as shown in (b) of FIG. 7, and (c) of FIG. ), it may be irradiated in the form of a multi-beam B3 in which a line beam and a ring beam are simultaneously irradiated. The width of the line beam B1 is formed to be 10 cm or more, so that lanes drawn with paint on the road can be quickly removed. The diameter of the ring beam B2 is also 10 cm or more, and as shown in the drawing, it may be a circle-shaped ring or an elliptical ring. Finally, the multi-beam (B3) is irradiated in the form of a line beam to the front and a ring beam to the rear, so that the line beam removes the first and the ring beam second, so that the paint can be removed cleanly. At this time, the multi-beams B3 are selected from among a plurality of line beams, a plurality of ring beams, or a form in which line beams and ring beams are alternately formed and irradiated, and the shape of the multi-beams B3 is not intended to be limited.

8 shows a schematic diagram of a road paint removal device according to another embodiment of the present invention. As shown in FIG. 8, the automatic control module 400 for unmanned operation of the road paint removal device of the present invention includes a radar unit 410, a communication unit 420, a control unit 430, and an obstacle detection sensor 440. It consists of The radar unit 410 is a detection sensor that detects an area where paint is applied on the asphalt floor, and transmits the collected work area information to the communication unit while moving. The radar unit 410 of the present invention may detect a color and determine whether it is a painted area, but this is not intended to be limited.

The communication unit 420 receives the work area information transmitted by the radar unit 410 and transmits an operation signal according to the work area information to the control unit 430 . The control unit 430 receives an operation signal from the communication unit 420 and controls the operation of the paint removal unit 200 . At this time, the intensity of the laser beam, the shape of the laser beam, and whether or not the injection nozzle 311 operates may be set in advance, or may be changed by the operator using the portable terminal 500 or a PC.

When the paint is not detected by the radar unit 410, it is determined that the paint removal operation is completed, and an obstacle detection signal is transmitted to the operator's portable terminal 500 or the operator's PC as a completion signal. At this time, the radar unit 410 is provided with a plurality of detection sensors to additionally determine whether the paint has been removed.

The work area information received by the communication unit 420 may be information collected by the radar unit 410 as described above, or a worker may receive mapped information using the terminal 500 or a PC in advance.

The obstacle detection sensor 440 detects the presence or absence of an obstacle in the direction in which the road paint removal device moves, and when it is determined that the obstacle is not detected, it moves in the direction of movement and removes the paint. However, when it is determined that an obstacle has been detected, a signal indicating that an obstacle has been detected is transmitted to the communication unit 420, and the communication unit 420 receiving the signal transmits an obstacle detection notification to the operator's portable terminal 500 or the operator's PC.

The road paint removal device may fall into a porthole formed on the asphalt floor and be unable to move along the traveling direction. Therefore, even when the road paint removal device does not move for a predetermined time or longer, the communication unit 420 transmits a notification to the worker's portable terminal 500 or the worker's PC.

Figure 9 shows a flow chart of a road paint removal method using a road paint removal device according to another embodiment of the present invention. As shown in FIG. 9 , first, a detection step (S100) of detecting a paint application area by the radar unit 410 is performed. Next, a first judgment step (S200) of determining whether paint is applied to the asphalt floor is performed. When it is determined that paint is applied in the first judgment step (S200), work area information is transmitted to the communication unit 420, and the work area information transmitted from the radar unit 410 is received by the communication unit 420. Step S300 proceeds. When it is determined that the paint is not applied in the first judgment step (S200), the detection step (S100) is again performed.

A transmission step (S400) in which an operation signal generated based on the work area information received in the reception step (S300) is transmitted from the communication unit 420 to the control unit 430 proceeds, and the control unit 430 receives the operation signal A paint removal step (S500) of controlling the operation of the paint removal unit 200 to remove the paint applied to the collected work area is performed.

After the paint removal step (S500), a work completion signal can be transmitted to the worker's portable terminal 500 or PC, and as described above, a plurality of detection sensors are provided to check whether the paint has been removed after the paint removal step (S500). A second judgment step (S600) of additionally detecting may be further performed. In the second judgment step (S600), when it is determined that the paint still remains, an additional removal step (S700) is performed, and when it is determined that the paint is removed, a work completion signal is transmitted to the operator's portable terminal 500 or PC. do.

Technical ideas should not be interpreted as being limited to the above-described embodiments of the present invention. Not only the scope of application is diverse, but also various modifications and implementations are possible at the level of those skilled in the art without departing from the gist of the present invention claimed in the claims. Therefore, such improvements and changes fall within the protection scope of the present invention as long as they are obvious to those skilled in the art.

100 body part
110 control panel
120 wheel part
130 handle part
200 paint remover
210 cooling section
220 laser section
230 power supply
240 connection
250 investigation department
300 collection department
310 intake
311 Spray Nozzle
320 dust collector
321 fluid passage
330 discharge
331 filter unit
400 automatic control module
410 radar unit
420 communications department
430 Control
440 Obstacle Detection Sensor
500 terminals

Claims (10)

An enclosure-shaped body with an internal space formed therein;
a paint removal unit installed in the inner space of the body unit and radiating a laser beam to a paint area applied to the road;
a wheel unit installed under the body to be movable;
a control unit installed on an upper surface or a side surface of the body unit and installed to control on/off of an operation of the paint removal unit or the wheel unit;
Road paint removal device comprising a.
The method of claim 1, wherein the paint removal unit,
A laser unit for providing a laser light source and oscillating a laser beam;
A cooling unit for cooling the laser unit;
A power supply unit for supplying power to the laser unit;
An irradiation unit that receives a laser beam from the laser unit and transforms the shape of the received laser beam to irradiate a laser beam to a paint area applied to a road; and
A connection unit installed between the laser unit and the irradiation unit to allow the laser beam oscillated by the laser unit to move to the irradiation unit
Road paint removal device comprising a.
The method of claim 1, wherein the road paint removal device,
a collection unit for collecting foreign substances generated while the paint removal unit removes the paint;
Road paint removal device further comprising a.
The method of claim 3, wherein the collection unit,
A polygonal or cylindrical tube is formed by extending in the longitudinal direction, and a suction part through which foreign substances are sucked into one end,
A dust collector in the form of an enclosure coupled to the other end of the inlet, installed to communicate with the inlet, and having an internal space formed to collect foreign substances sucked from the inlet, and
A polygonal column or cylindrical tube extending in the longitudinal direction, formed to communicate with the dust collection unit, and a discharge unit through which the air sucked through the intake unit is discharged to the outside.
Road paint removal device further comprising a.
The method of claim 4, wherein the collection unit,
Road paint removal device characterized in that it further comprises a spray nozzle for spraying liquid or gas at the lower end of the suction part.
The method of claim 1, wherein the road paint removal device,
It is characterized in that it is used in a form in which at least one or more of the form of a cart in which a handle is installed so that a worker can move it directly, a form in which a coupling means is installed so that it can be coupled to a vehicle, and an automatic control module is installed so that it can be operated unmanned road paint removal device.
The method of claim 6, wherein the automatic control module,
A radar unit that detects the paint area applied to the road and collects work area information;
A communication unit that receives the work area information collected from the radar unit and transmits an operation signal to the outside so that the road paint removal device is operated based on the work area information; and
The control unit receives the operation signal transmitted by the communication unit and controls the operation of the paint removal unit or the wheel unit.
Road paint removal device comprising a.
The method of claim 7, wherein the automatic control module,
Further comprising an obstacle detection sensor for detecting an obstacle,
When it is determined that an obstacle is detected by the obstacle detection sensor, the road paint removal device, characterized in that for transmitting an obstacle detection notification to the operator's terminal or PC.
A road paint removal method using a road paint removal device for removing paint applied to an asphalt floor by irradiating a laser beam,
A detection step of detecting the paint applied to the asphalt floor by a radar unit installed in the road paint removal device;
a first determination step of determining whether paint is detected in the detection step;
a receiving step in which the communication unit receives the work area information transmitted by the radar unit when it is determined that paint is detected in the first determination step;
a transmitting step of transmitting an operation signal to the controller based on the work area information transmitted in the receiving step; and
A paint removal step of receiving the operation signal transmitted in the transmission step and irradiating a laser beam to an asphalt floor surface corresponding to a work area by a paint removal unit installed in the road paint removal device; Including,
After the paint removal step,
It is characterized by transmitting a paint removal operation completion notification signal to the operator's terminal or PC,
If it is determined that the paint has not been detected in the first judgment step,
Road paint removal method using a road paint removal device, characterized in that the detection step is re-progressed.
The method of claim 9, wherein the removal method,
After the paint removal step,
a second determination step of determining whether the paint of the work area has been removed by the radar unit;
When it is determined that the paint is detected in the second determination step, an additional removal step of performing the paint removal operation again by irradiating a laser beam to the work area by the paint removal unit; further comprising,
After the additional removal step,
It is characterized by transmitting a paint removal operation completion notification signal to the operator's terminal or PC,
If it is determined that the paint is not detected in the second judgment step,
Road paint removal method using a road paint removal device, characterized in that for transmitting a paint removal operation completion notification signal to a worker's terminal or PC.

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