KR20220109625A - Pre-Delivery Inspection Apparatus - Google Patents

Abstract

The present invention relates to a pre-delivery inspection (PDI) apparatus. The apparatus includes: a housing including a vehicle entrance, a vehicle exit, and a vehicle inspection space located between the vehicle entrance and the vehicle exit; a guide including a round-trip route between a departure point at the vehicle entrance and a destination at the vehicle exit, which is laid via the vehicle inspection space; a camera module generating a plurality of partial vehicle images by photographing the vehicle from each of a plurality of stop spots in a specific direction of the vehicle inspection space during a transfer procedure of the guide; and a vehicle exterior inspection module analyzing the plurality of partial vehicle images to inspect scratches existing on the exterior of the vehicle. Therefore, the present invention is capable of quickly and accurately performing a vehicle exterior inspection.

Description

PDI Inspection Apparatus {Pre-Delivery Inspection Apparatus}

The present invention relates to a PDI (Pre-Delivery Inspection) inspection technology, and to a PDI inspection apparatus capable of quickly and accurately performing a vehicle exterior inspection by photographing the exterior of a vehicle in a vehicle inspection space.

PDI (Pre-Delivery) refers to a pre-inspection of interior/exterior inspection and polishing work before the vehicle is shipped out.

The work at the PDI Center is carried out in five steps: car washing and inspection, maintenance and replacement, polishing, and final inspection. At this time, it is the responsibility of the PDI Center to find defects that may have occurred in the car. When a factory order is received, the PDI process begins, and the car is cleaned first. Remove all plastic wrap from the outside of the car and wash thoroughly with a high-pressure water dispenser. After finishing the primary car wash, spray a mild detergent to remove the sticky residue from the vinyl and then wipe it again under high pressure. After washing the car, it goes through the inspection process. During the inspection process, multiple inspectors are placed around the car to find out the parts that are damaged with the naked eye, attach stickers, and write the inspection statement by hand. It was difficult and there was a problem that it was difficult to trust the test results.

In particular, there is a problem in that it is difficult to know exactly whether defects in appearance, such as scratches, found in the process of delivery to the customer after the vehicle is shipped out, before shipment or during the consignment process, so that there is a potential for dispute.

Korea Patent No. 10-0889295 (2009.03.11)

An embodiment of the present invention is to provide a PDI inspection apparatus capable of quickly and accurately performing a vehicle exterior inspection by photographing the exterior of a vehicle in a vehicle inspection space.

An embodiment of the present invention forms a guide passing through the vehicle inspection space in an arch shape to generate a plurality of vehicle part images in the process of moving the guide, and PDI inspection capable of performing a precise vehicle exterior inspection by enlarging the vehicle part image We want to provide a device.

One embodiment of the present invention is capable of performing post-inspection by examining defects existing on the exterior of the vehicle through analysis of a plurality of vehicle part images and recording the location of the defects in each of a plurality of vehicle part images to be non-correctable. It is intended to provide a PDI inspection device.

In embodiments, a Pre-Delivery Inspection (PDI) inspection device includes a housing including a vehicle entrance, a vehicle exit, and a vehicle inspection space between the vehicle entrance and the vehicle exit, the vehicle entrance via the vehicle inspection space. A guide including a reciprocating route between a departure point and a destination at the vehicle exit, a camera module for generating a plurality of vehicle part images by photographing toward a specific direction of the vehicle inspection space at each of a plurality of stopping points during the movement process of the guide and a vehicle exterior inspection module that analyzes the plurality of vehicle part images to inspect defects existing on the exterior of the vehicle.

The guide may be formed in an arch shape to photograph the front, both sides and rear of the vehicle while the camera module is moved between the departure point and the destination location.

The guide includes a first guide formed to photograph the front, top, and rear surfaces of the vehicle from the departure point to the destination, a second guide formed to photograph the seat surface of the vehicle from the departure point to the destination, and from the departure point It may include a third guide formed to photograph the right side of the vehicle until the destination.

The camera module may be arranged such that the corresponding vehicle part images between adjacent stopping points have overlapping areas with each other.

When the camera module is stopped at one of the plurality of stopping points, it may be composed of a plurality of cameras that calculate a corresponding camera angle toward the center of the vehicle inspection space and photograph the vehicle at the corresponding camera angle.

When a defect of the vehicle is detected in a specific vehicle part image, the camera module may enlarge the corresponding vehicle part image to perform a relatively precise vehicle exterior inspection.

When the specific vehicle image is enlarged, the camera module may generate the specific vehicle image with illumination of a different wavelength band for the vehicle.

When the presence of the defect is detected, the vehicle exterior inspection module may record the position of the defect in each of the plurality of vehicle part images in an uncorrectable manner and store it in a vehicle inspection database.

The disclosed technology may have the following effects. However, this does not mean that a specific embodiment should include all of the following effects or only the following effects, so the scope of the disclosed technology should not be construed as being limited thereby.

The PDI inspection apparatus according to an embodiment of the present invention can quickly and accurately perform a vehicle exterior inspection by photographing the exterior of a vehicle in a vehicle inspection space.

The PDI inspection apparatus according to an embodiment of the present invention forms a guide passing through the vehicle inspection space in an arch shape to generate a plurality of vehicle part images in the process of moving the guide, and performs a precise vehicle exterior inspection by enlarging the vehicle part image can do.

The PDI inspection apparatus according to an embodiment of the present invention inspects defects existing in the exterior of the vehicle through analysis of a plurality of vehicle part images, and records the location of the defects in each of the plurality of vehicle part images to be non-correctable and post-inspection can be performed.

1 is a view for explaining a PDI inspection system according to the present invention.
FIG. 2 is a view for explaining a system configuration of the PDI inspection apparatus of FIG. 1 .
FIG. 3 is a view for explaining an essential configuration of the PDI inspection apparatus of FIG. 1 .
FIG. 4 is a view for explaining the arrangement structure of the camera module in FIG. 3 .
5 is a flowchart illustrating a PDI inspection process according to an embodiment of the present invention.

Since the description of the present invention is merely an embodiment for structural or functional description, the scope of the present invention should not be construed as being limited by the embodiment described in the text. That is, since the embodiment is capable of various changes and may have various forms, it should be understood that the scope of the present invention includes equivalents capable of realizing the technical idea. In addition, since the object or effect presented in the present invention does not mean that a specific embodiment should include all of them or only such effects, it should not be understood that the scope of the present invention is limited thereby.

On the other hand, the meaning of the terms described in the present application should be understood as follows.

Terms such as “first” and “second” are for distinguishing one component from another, and the scope of rights should not be limited by these terms. For example, a first component may be termed a second component, and similarly, a second component may also be termed a first component.

When a component is referred to as being “connected” to another component, it may be directly connected to the other component, but it should be understood that other components may exist in between. On the other hand, when it is mentioned that a certain element is "directly connected" to another element, it should be understood that the other element does not exist in the middle. On the other hand, other expressions describing the relationship between elements, that is, "between" and "between" or "neighboring to" and "directly adjacent to", etc., should be interpreted similarly.

The singular expression is to be understood to include the plural expression unless the context clearly dictates otherwise, and terms such as "comprises" or "have" refer to the embodied feature, number, step, action, component, part or these It is intended to indicate that a combination exists, and it should be understood that it does not preclude the possibility of the existence or addition of one or more other features or numbers, steps, operations, components, parts, or combinations thereof.

Identifiers (eg, a, b, c, etc.) in each step are used for convenience of description, and the identification code does not describe the order of each step, and each step clearly indicates a specific order in context. Unless otherwise specified, it may occur in a different order from the specified order. That is, each step may occur in the same order as specified, may be performed substantially simultaneously, or may be performed in the reverse order.

The present invention can be embodied as computer-readable codes on a computer-readable recording medium, and the computer-readable recording medium includes all types of recording devices in which data readable by a computer system is stored. . Examples of the computer-readable recording medium include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like. In addition, the computer-readable recording medium may be distributed in a network-connected computer system, and the computer-readable code may be stored and executed in a distributed manner.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Terms defined in general used in the dictionary should be interpreted as having the meaning consistent with the context of the related art, and cannot be interpreted as having an ideal or excessively formal meaning unless explicitly defined in the present application.

1 is a view for explaining a PDI (Pre-Delivery Inspection) inspection system according to the present invention.

Referring to FIG. 1 , the PDI inspection system 100 may include a vehicle 110 , a PDI inspection apparatus 130 , and a database 150 .

The vehicle 110 is a transportation means for transporting passengers or cargo using power produced by an engine, and may correspond to a vehicle as a representative example. Here, the vehicle 110 may correspond to an inspection target before transporting the finished vehicle produced in the automobile manufacturing plant to the shipping center using the TP transport equipment or delivering it to the customer.

The PDI inspection apparatus 130 may correspond to a computing device capable of performing a Pre-Delivery Inspection (PDI) inspection for defects on the exterior of the vehicle 110 and generating and providing inspection results. The PDI inspection apparatus 130 may inspect defects existing on the exterior of the vehicle 110 . Here, the PDI inspection device 130 inspects the assembly state of the vehicle exterior to check whether there is a step in the seam, whether the uniformity of the gap is constant, and whether the balance of the vehicle exterior is correct, and whether the painted surface is uneven or may be Scratches and scratches on the glass can be checked.

In addition, the PDI inspection apparatus 130 may be implemented by including various sensors necessary for the exterior inspection of the vehicle 110 . For example, the PDI inspection apparatus 130 may be implemented including a camera sensor, an illumination sensor, and the like.

In an embodiment, the PDI inspection apparatus 130 may be implemented in a form that is fixedly installed on the ground, or may be implemented in a form that is movable so that the position can be freely changed during the inspection process. On the other hand, when the vehicle 110 is placed in a fixed place, the PDI inspection apparatus 130 can be operated as a component of a process of sequentially or simultaneously performing inspections on various items according to a series of inspection scenarios. and the results can be integrated and provided. Here, the PDI inspection device 130 may provide a vehicle inspection space in the form of a housing, and when the vehicle 110 enters the vehicle inspection space, the vehicle 110 moves with respect to the vehicle 110 located in the vehicle inspection space. The exterior defect inspection of the vehicle 110 may be performed based on a plurality of vehicle part images captured by partially photographing the .

In addition, the PDI inspection apparatus 130 may be implemented including the database 150 , and may be implemented independently of the database 150 . When implemented independently of the database 150 , the PDI inspection apparatus 130 may be connected to the database 150 by wire or wirelessly to exchange data.

The database 150 may store various pieces of information necessary for the PDI inspection regarding the exterior of the vehicle 110 . The database 150 may store information about the vehicle 110 and the exterior, and may store information about inspection rules and conditions for exterior PDI inspection, but is not necessarily limited thereto, and exterior PDI inspection of the vehicle 110 . information collected or processed in various forms in the process of performing

FIG. 2 is a view for explaining a system configuration of the PDI inspection apparatus of FIG. 1 .

Referring to FIG. 2 , the PDI test apparatus 130 may be implemented including a processor 210 , a memory 230 , a user input/output unit 250 , and a network input/output unit 270 .

The processor 210 may execute a procedure for processing each step in the process in which the PDI test apparatus 130 operates, and manage the memory 230 read or written throughout the process, and the memory 230 ) can schedule the synchronization time between volatile and nonvolatile memory in The processor 210 may control the overall operation of the PDI test apparatus 130 , and is electrically connected to the memory 230 , the user input/output unit 250 , and the network input/output unit 270 to control the data flow therebetween. can The processor 210 may be implemented as a central processing unit (CPU) of the PDI inspection apparatus 130 .

The memory 230 is implemented as a non-volatile memory, such as a solid state drive (SSD) or a hard disk drive (HDD), and may include an auxiliary storage device used to store overall data required for the PDI test device 130, It may include a main memory implemented as a volatile memory such as random access memory (RAM).

The user input/output unit 250 may include an environment for receiving a user input and an environment for outputting specific information to the user. For example, the user input/output unit 250 may include an input device including an adapter such as a touch pad, a touch screen, an on-screen keyboard, or a pointing device, and an output device including an adapter such as a monitor or a touch screen. In an embodiment, the user input/output unit 250 may correspond to a computing device connected through a remote connection, and in such a case, the PDI test device 130 may be performed as a server.

The network input/output unit 270 includes an environment for connecting with an external device or system through a network, for example, a local area network (LAN), a metropolitan area network (MAN), a wide area network (WAN), and a VAN (Wide Area Network) (VAN). It may include an adapter for communication such as Value Added Network).

FIG. 3 is a view for explaining an essential configuration of the PDI inspection apparatus of FIG. 1 .

Referring to FIG. 3 , the PDI inspection device 130 may include a housing 310 , a guide 330 , a camera module 350 , a vehicle exterior inspection module 370 , and a control module (not shown). .

The housing 310 may include a vehicle entrance, a vehicle exit, and a vehicle inspection space between the vehicle entrance and the vehicle exit. The vehicle inspection space may correspond to a space in which the PDI inspection regarding the exterior of the vehicle 110 is performed. In one embodiment, the housing 310 has a predetermined length, width, and height, and may be implemented in a structure in which the vehicle 110 enters and exits sequentially. Here, the housing 310 may form a vehicle inspection space by securing an extra space of a predetermined length or more between the vehicle entrance and the vehicle exit. The housing 310 may separately include an inlet and an outlet so that the vehicle does not interfere with the entry and exit of the vehicle.

The guide 330 may include a round-trip route between the departure point at the vehicle entrance and the destination point at the vehicle exit via the vehicle inspection space. The guide 330 is movably disposed in the housing 310 and may be formed in an arch shape around the vehicle inspection space. A camera module 350 for photographing the vehicle 110 in the vehicle inspection space may be installed in the guide 330 .

In one embodiment, the guide 330 is formed in an arch shape so as to photograph the front, both sides and rear of the vehicle 110 while the camera module 350 is moved between the departure point and the destination, and the vehicle 110 from the departure point to the destination. A first guide 331 formed to photograph the front, upper and rear surfaces of the second guide 333 formed to photograph the seat surface of the vehicle 110 from the departure point to the destination, and the right side of the vehicle 1100 from the departure point to the destination It may include a third guide 335 formed to photograph. Here, the second and third guides 333 and 335 may be disposed to face each other. In one embodiment, the guide 330 is the first guide The second guide 333 and the third guide 335 are respectively connected to each other on both sides around 331 as a single unit, or the second guide 333 and the second guide 333 on both sides around the first guide 331, respectively. 3 The guide 335 may be arranged as a separate entity. The guide 330 may include a moving member 337 capable of reciprocating along a reciprocating path between the departure and destination locations. Here, the moving member 337 may include A guide groove may be formed on the ground of the vehicle inspection space and the guide 330 may be moved along the guide groove by receiving power from the motor, but is not limited thereto.

The camera module 350 may generate a plurality of vehicle part images by photographing in a specific direction of the vehicle inspection space at each of the plurality of stopping points during the movement process of the guide 330 . In an embodiment, the camera module 350 may move together with the guide 330 by disposing a plurality of cameras at regular intervals on the arch-shaped guide 330 . Here, the camera module 350 generates a plurality of vehicle part images by partially photographing the front, both sides, and rear of the vehicle 110 in the vehicle inspection space while moving between the departure and destination by the movement of the guide 330 . can The plurality of vehicle part images may include an image related to the exterior of the vehicle 110 .

Here, the camera module 350 may fixedly arrange 27 cameras on the guide 330 , and the number of cameras is not limited thereto and may vary depending on the camera resolution. In an embodiment, the camera module 350 may alternatively operate a plurality of cameras disposed on the guide 330 based on vehicle types having different lengths and heights of the vehicle.

The camera module 350 may be arranged such that the corresponding vehicle part images between adjacent stopping points have overlapping regions. In one embodiment, when the camera module 350 is stopped at one of the plurality of stopping points, it calculates the corresponding camera angle toward the center of the vehicle inspection space and may be composed of a plurality of cameras that photograph the vehicle at the corresponding camera angle. have. The camera module 350 may photograph the vehicle 110 in the vehicle inspection space while the guide 330 is stopped for a predetermined time at a plurality of preset stopping points on the reciprocating path while the guide 330 moves. Here, the camera module 350 may take pictures in the order of the front, top, and rear of the vehicle 110 or the rear, top and front in the order through the cameras fixedly installed on the first guide 331, The seat surface of the vehicle 110 may be photographed in units of parts through the cameras fixedly installed on the 2 guide 333 , and the right side of the vehicle 110 may be photographed in units of parts through the cameras fixedly installed on the third guide 335 . can be filmed with

In one embodiment, the camera module 350 may calculate the camera angle through the Pythagorean theorem based on a straight line distance between the center coordinates of the vehicle inspection space and the corresponding camera origin coordinates. When a defect of the vehicle 110 is detected in a specific vehicle part image, the camera module 350 may enlarge the corresponding vehicle part image to perform a relatively precise vehicle exterior inspection. In one embodiment, the camera module 350 may generate an enlarged image by enlarging the corresponding vehicle part image when a defect of the vehicle 110 is detected in the specific vehicle part image, and through this, the exterior of the vehicle 110 is displayed. Even micro-defects that are present are greatly magnified so that they can be easily detected. Here, when the specific vehicle image is enlarged, the camera module 350 may generate a specific vehicle image with illumination of a different wavelength band for the vehicle 110 . To this end, the camera module 350 may include a lighting member capable of providing illumination to the vehicle 110 in the vehicle inspection space within the housing 310 .

When the vehicle 110 enters the vehicle inspection space, the lighting member may provide spot lighting for the vehicle 110 around the vehicle inspection space while varying the color temperature. The lighting member may include a plurality of LEDs (Light Emitting Diodes) disposed on the upper portion of the vehicle 110 to provide illumination toward the center of the vehicle inspection space. Here, the plurality of LEDs may be arranged in an arch shape along the guide 330 or may be fixedly installed on the ceiling of the housing 310 . When a plurality of LEDs are disposed on the guide 330 , the lighting angle may be adjusted according to the camera angle. When a plurality of LEDs are fixedly installed on the ceiling of the housing 310, the lighting angle may be adjusted to provide lighting toward the center of the vehicle inspection space. The lighting member may provide illumination to the vehicle 110 while changing the color temperature to generate a specific vehicle image with illumination of a different wavelength band for the vehicle 110 in the process of enlarging the specific vehicle image in the camera module 350 . In one embodiment, the lighting member may change the color temperature of the plurality of LEDs step by step from the first reference temperature to the second reference temperature according to the image enlargement step of the camera module 350 .

Color temperature refers to the color of the light source expressed numerically using absolute temperature. The Kelvin value of the low color temperature makes the color of light close to red, and the Kelvin value of the high color temperature gives the color close to blue. The lighting member may adjust the color temperature change range of the LED lighting in consideration of the color of the vehicle 110 . When the color temperature of the LED light is changed, the ratio of the wavelengths incident on the vehicle 110 is changed, thereby affecting color vision. Accordingly, the lighting member may have a suitable color temperature for each color of the vehicle 110 and a variable range of the color temperature so that color visibility in the vehicle inspection space may be well displayed.

The vehicle exterior inspection module 370 may analyze a plurality of vehicle part images to inspect defects existing on the exterior of the vehicle. In one embodiment, when the presence of a defect is detected, the vehicle exterior inspection module 370 may record the position of the defect in each of a plurality of vehicle part images to be non-correctable and stored in the vehicle inspection database. Here, the vehicle inspection database may be implemented by being included in the vehicle exterior inspection module 370 , and may be implemented as an independent database 150 if necessary.

In an embodiment, the vehicle exterior inspection module 370 may perform an exterior inspection of the vehicle 110 that has entered the vehicle inspection space. Here, the vehicle exterior inspection module 370 may inspect exterior defects such as scratches, cracks, broken marks, scratches, and discoloration of the exterior of the vehicle 110 . The vehicle exterior inspection module 370 analyzes a plurality of vehicle part images generated through the camera module 340 during the movement of the guide 330 to accurately and quickly inspect the exterior of the vehicle 110 where and what defects exist. can do.

The vehicle exterior inspection module 370 may store information of the vehicle 110 together when storing the image of a specific vehicle part in which the presence of defects is detected in the vehicle inspection database. In an embodiment, the vehicle exterior inspection module 370 may include a vehicle information detection member capable of detecting information of the vehicle 110 by reading an electronic or optical tag in the vehicle 110 .

The vehicle information detecting member may detect information of the vehicle 110 by reading a tag attached to the vehicle 110 in the vehicle inspection space. In one embodiment, the vehicle information detection member is disposed at the vehicle entrance or exit, or in the vehicle inspection space so that the vehicle 110 enters the vehicle inspection space in the housing 310 through the vehicle entrance or the housing 310 through the vehicle exit. ) may detect information of the vehicle 110 in the process of advancing from my vehicle inspection space or in the process of inspecting in the vehicle inspection space. Information including at least a vehicle type (vehicle model) and a vehicle color may be recorded in the tag attached to the vehicle 110 . Here, the tag may be configured electronically or optically. When the electronic tag is attached to the vehicle 110 , the vehicle information detection member reads the tag attached to the vehicle 110 using RFID (Radio Frequency IDentification) technology to detect vehicle information, and provides an optical type to the vehicle 110 . When the tag is attached, information of the vehicle may be detected by reading the tag attached to the vehicle 110 through optical scanning. For example, in the case of a barcode or QR code scanning method, the vehicle information detecting member may scan a tag attached to the vehicle 110 to detect vehicle information recorded in the tag. For example, in the case of the RFID system, the vehicle information detecting member may receive vehicle information from the tag through wireless communication with the tag attached to the vehicle 110 .

The vehicle exterior inspection module 370 may store a plurality of vehicle part images together with the detected vehicle 110 information in a vehicle inspection database, and may perform a post-inspection based on the stored vehicle information and the plurality of vehicle part images. .

The control module may control the overall operation of the PDI inspection apparatus 130 , and manage a control flow or data flow between the guide 330 , the camera module 350 , and the vehicle exterior inspection module 350 .

FIG. 4 is a view for explaining the arrangement structure of the camera module in FIG. 3 .

Referring to FIG. 4 , the camera module 350 is arranged in an arcuate shape along the shape of the guide 330 so as to have an overlap area between physically adjacent cameras, and a plurality of cameras 350a to generate a plurality of vehicle part images. 350 g). Here, the plurality of cameras (350a ~ 350g) may be arranged so that the photographing angle is toward the center of the vehicle inspection space.

In addition, the camera module 350 is a plurality of cameras (350a ~ 350g) some cameras are disposed on the first guide 331 side to photograph the front, upper and rear portions of the vehicle 110 in the vehicle inspection space. have. In the camera module 350, some other cameras among the plurality of cameras 350a to 350g are disposed on the side of the second guide 333 to photograph the seat surface of the vehicle 110, and some of the remaining cameras are disposed on the third guide ( 335), it is possible to photograph the right side of the vehicle 110 .

When an exterior defect is detected by the vehicle exterior inspection module 370 , the camera module 350 may operate to perform a relatively precise vehicle exterior inspection by enlarging an image of a corresponding vehicle part. In an embodiment, the camera module 350 may enlarge the plurality of vehicle part images in stages so that the size of an overlap region between physically adjacent cameras is reduced. In this case, when the size of the overlap region does not exist while the magnification is in progress, the camera module 350 may stop magnification of the image of the vehicle part. Here, the camera module 350 may search for overlapping areas within a plurality of photographed images photographed through cameras disposed at physically adjacent positions, and may enlarge and adjust the magnification so that there is no overlapping area. In an embodiment, the camera module 350 extracts a plurality of feature points from each of the plurality of photographed images, and determines the points corresponding to each other from among the extracted feature points as a corresponding pair to search the overlap area.

When the specific vehicle image is enlarged, the camera module 350 may generate a specific vehicle image with illumination of a different wavelength band for the vehicle 110 and provide it to the vehicle exterior inspection module 370 .

5 is a flowchart illustrating a PDI inspection process according to an embodiment of the present invention.

Referring to FIG. 5 , the PDI inspection device 130 may move the guide 330 via the vehicle inspection space when the inspection target vehicle 110 enters the vehicle inspection space through the vehicle entrance of the housing 310 . (Step S510). Also, the PDI inspection apparatus 130 may photograph the exterior of the vehicle 110 at each of the plurality of stopping points during the movement process of the guide 330 through the camera module 350 (step S520 ). Also, the PDI inspection apparatus 130 may generate a plurality of vehicle part images including exterior images of the front, rear, left, and upper surfaces of the vehicle 110 from the plurality of photographed images through the camera module 350 . (Step S530).

Also, the PDI inspection apparatus 130 may analyze a plurality of vehicle part images through the vehicle exterior inspection module 370 to inspect defects existing in the exterior of the vehicle 110 (step S540). In addition, when the presence of a defect is detected through the vehicle exterior inspection module 370, the PDI inspection apparatus 130 records the position of the defect in each of a plurality of vehicle part images to be non-correctable and can be stored in the vehicle inspection database. (Step S550).

In one embodiment, the PDI inspection device 130 forms a movable guide in an arcuate shape in the vehicle inspection space, and photographing the vehicle in the vehicle inspection space by arranging a plurality of cameras on the guide. By generating a plurality of vehicle part images and analyzing the plurality of vehicle part images, it is possible to perform a precise vehicle exterior inspection. A post-mortem inspection can be performed on the appearance of

Although the above has been described with reference to preferred embodiments of the present invention, those skilled in the art can variously modify and change the present invention within the scope without departing from the spirit and scope of the present invention as set forth in the claims below. You will understand that it can be done.

100: PDI inspection system
110: vehicle 130: PDI inspection device
150: database
210: processor 230: memory
250: user input/output unit 270: network input/output unit
310: housing 330: guide
331: first guide 333: second guide
335: third guide 337: movable member
350: camera module 350a ~ 350g: a plurality of cameras
370: vehicle exterior inspection module

Claims (8)

a housing including a vehicle entrance, a vehicle exit, and a vehicle inspection space between the vehicle entrance and the vehicle exit;
a guide including a round-trip route between a departure point at the vehicle entrance and a destination point at the vehicle exit via the vehicle inspection space;
a camera module for generating a plurality of vehicle part images by photographing in a specific direction of the vehicle inspection space at each of a plurality of stopping points during the movement process of the guide; and
A Pre-Delivery Inspection (PDI) inspection apparatus comprising a vehicle exterior inspection module that analyzes the plurality of vehicle part images to inspect defects existing on the exterior of the vehicle.
According to claim 1, wherein the guide
PDI inspection apparatus, characterized in that the camera module is formed in an arch shape so as to photograph the front, both sides and rear of the vehicle while moving between the departure and the destination.
The method of claim 2, wherein the guide
a first guide formed to photograph the front, upper and rear surfaces of the vehicle from the departure point to the destination;
a second guide formed to photograph the seat surface of the vehicle from the departure point to the destination; and
and a third guide formed to photograph the right side of the vehicle from the departure point to the destination location.
According to claim 1, wherein the camera module
The PDI inspection apparatus, characterized in that the images of the corresponding vehicle parts between adjacent stopping points are arranged to have overlapping areas with each other.
5. The method of claim 4, wherein the camera module
When stopped at one of the plurality of stopping points, a PDI inspection apparatus comprising a plurality of cameras for calculating a corresponding camera angle toward the center of the vehicle inspection space and photographing the vehicle at the corresponding camera angle.
According to claim 1, wherein the camera module
When a defect of the vehicle is detected in a specific vehicle part image, the PDI inspection apparatus, characterized in that the vehicle part image is enlarged to perform a relatively precise vehicle exterior inspection.
The method of claim 6, wherein the camera module
When the specific vehicle image is enlarged, the PDI inspection apparatus, characterized in that for generating the specific vehicle image with illumination of a different wavelength band for the vehicle.
According to claim 1, wherein the vehicle exterior inspection module
When the presence of the defect is detected, the position of the defect is recorded in each of the plurality of vehicle part images in a non-correctable manner and stored in a vehicle inspection database.

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