WO2023068428A1

WO2023068428A1 - Metal pcb assembly apparatus for automobile headlamps

Info

Publication number: WO2023068428A1
Application number: PCT/KR2021/015961
Authority: WO
Inventors: 최영천
Original assignee: 에코캡 주식회사
Priority date: 2021-10-20
Filing date: 2021-11-05
Publication date: 2023-04-27
Also published as: KR20230056221A

Abstract

Disclosed is a PCB assembly apparatus for automobile headlamps. A metal PCB assembly apparatus for automobile headlamps, according to an embodiment of the present invention, comprises: a substrate transport unit which places and fixes a metal PCB at a preset first position; a step difference cutting processing unit which processes at least one cutting groove on the metal PCB arranged at the first position; a substrate photographing unit which photographs a state in which the metal PCB is arranged at the first position and a position of the cutting groove formed on the metal PCB; a module position determining unit which determines a mounting position of an OLED module on the basis of the state of the metal PCB photographed by the substrate photographing unit; a module mounting unit which mounts the OLED module at the mounting position determined by the module position determining unit; an FPCB coupling unit which couples a flexible printed circuit board to both ends of the metal PCB on which the OLED module is mounted; and a substrate coupling unit which transports the metal PCB coupled to the flexible printed circuit board, to a preset second position, and couples the metal PCB to a back plate arranged at the second position.

Description

Metal PCB assembly device for automobile headlamps

The present invention relates to an apparatus for assembling a lighting substrate such as a headlamp used in a vehicle, and more particularly, to mount an OLED module on a metal PCB, and to combine lamp module structures by processing cutting grooves on the metal PCB. And it relates to a metal PCB assembly device for an automobile headlamp that is easily deformable.

A printed circuit board (PCB) refers to a wiring board on which electronic components are mounted and electrically connected between components or between signal lines.

In the PCB, another conductive pattern is formed on the circuit after pressing copper foil on one or both sides of an insulating plate such as phenolic resin or epoxy resin, and corroding unnecessary parts to form a circuit by removing the copper foil, The PCB is completed by plating vias to connect these PCB electronic components, and coating the upper and lower surfaces with Photo Solder Resist (PSR) ink.

Recently, as it has been pointed out that the heat dissipation effect of PCBs used in various components as well as LEDs has been low, metal printed circuit boards using metal materials such as aluminum or copper alloys are attracting attention in the market to solve this problem.

Regarding this technology, Korea Patent Registration No. 10-1435451, a prior art, discloses a method for manufacturing a metal printed circuit board, but the metal printed circuit board presented in the prior art simply serves as a light guide plate at the same time. As such, it has a disadvantage that it cannot be easily applied to polyhedral and multidirectional structures.

Therefore, it is necessary to study a metal PCB assembly device for automobile headlamps that can be easily applied to polyhedral and multidirectional structures while maximizing the heat dissipation effect of the metal printed circuit board.

The present invention has been made to solve the problems of the prior art as described above, and by forming a cutting groove in a metal PCB and combining it with a flexible printed circuit board (FPCB), the bent multi-sided shape and double-sided shape Its purpose is to provide a metal PCB assembly device for automobile headlamps that can be manufactured and can improve the degree of design freedom.

In addition, an object of the present invention is to provide a metal PCB assembly device for an automobile headlamp capable of improving color clarity and luminous efficiency by mounting an OLED module on a metal PCB.

The problems to be solved by the present invention are not limited to the problems mentioned above, and other problems to be solved by the present invention that are not mentioned here are to those of ordinary skill in the art to which the present invention belongs from the description below. will be clearly understood.

An apparatus for assembling a metal PCB for an automobile headlamp according to the present invention includes a substrate transfer unit for disposing and fixing a metal PCB at a predetermined first position, and step cutting processing for processing at least one cutting groove on the metal PCB disposed at the first position. A board photographing unit for photographing the state in which the metal PCB is disposed at the first position and the position of the cutting groove formed on the metal PCB, and a substrate photographing unit for determining the mounting position of the OLED module based on the state of the metal PCB photographed by the substrate photographing unit. Module position determining unit, module mounting unit for mounting the OLED module at the mounting position determined by the module position determining unit, FPCB coupling unit for coupling the flexible printed circuit board to one end of the metal PCB equipped with the OLDE module, and combined with the flexible printed circuit board and a substrate coupling unit that transfers the metal PCB to a predetermined second position and couples the metal PCB to a backplate disposed at the second position.

In addition, the step cutting processing part leaves only a part of the total thickness of the metal PCB and cuts it to a predetermined depth to form a cutting groove. It is characterized in that it is formed in the form of at least one of the U-shaped cutting grooves to be maintained.

In addition, the module position determination unit recognizes the zero mark formed on the metal PCB to determine the position where the OLED module is mounted, and analyzes the image taken by the substrate photographing unit to determine at least one position within a predetermined range from the position where the OLED module is mounted. It is determined whether there is a cutting groove, and if there is at least one cutting groove within a predetermined range, the location of the cutting groove is reflected on the recognized zero mark to determine whether or not there is at least one cutting groove within a predetermined range at the position where the OLED module is mounted. It is characterized by calculating the corrected second zero point where the cutting groove does not exist.

In addition, the substrate coupling part couples the metal PCB to the back plate disposed in the second position, and the mounting surface of the back plate to which the metal PCB is coupled is provided in the form of a multi-faceted surface having respective inclinations, and the bent portion of the mounting surface and It is characterized in that the metal PCB is bent on the back plate by pressing the metal PCB in a state in which the positions of the cutting grooves formed in the metal PCB are matched, and then coupled to the back plate.

In addition, when the mounting surface of the back plate includes an upper mounting surface and a lower mounting surface, the board coupling unit couples the metal PCB to the upper surface of the back plate, then couples another metal PCB corresponding to the lower mounting surface, and It is characterized in that it includes a double-sided board coupling part for coupling the other end of the flexible printed circuit board to which one end is coupled and one end of the other metal PCB.

The metal PCB assembly device for automobile headlamps according to the present invention forms a cutting groove in the metal PCB and combines it with a flexible printed circuit board (FPCB), thereby having an effect of being able to produce a bent multi-sided shape and a double-sided shape. .

In addition, by mounting the OLED module on the metal PCB, there is an effect of improving color sharpness and luminous efficiency.

1 is a block diagram of a metal PCB assembly device for a vehicle headlamp according to an embodiment of the present invention.

2 is a view for explaining a step cutting processing unit of a metal PCB assembly device for a vehicle headlamp according to an embodiment of the present invention.

3 is a view for explaining a substrate coupling part of a metal PCB assembly apparatus for a vehicle headlamp according to an embodiment of the present invention.

4 is a view for explaining a double-sided substrate coupling part of an apparatus for assembling a metal PCB for an automobile headlamp according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, embodiments of the present invention will be described in detail so that those skilled in the art can easily carry out the present invention. The present invention may be embodied in many different forms and is not limited to the embodiments described herein.

In order to clearly describe the present invention, parts irrelevant to the description are omitted, and the same reference numerals are assigned to the same or similar components throughout the specification.

Throughout the specification, when a part is said to be "connected" to another part, this includes not only the case where it is "directly connected" but also the case where it is "electrically connected" with another element interposed therebetween. . In addition, when a certain component is said to "include", this means that it may further include other components without excluding other components unless otherwise stated.

When a part is referred to as being “on” another part, it may be directly on top of the other part or may have other parts in between. In contrast, when a part is said to be “directly on” another part, there are no other parts in between.

Terms such as first, second and third are used to describe, but are not limited to, various parts, components, regions, layers and/or sections. These terms are only used to distinguish one part, component, region, layer or section from another part, component, region, layer or section. Accordingly, a first part, component, region, layer or section described below may be referred to as a second part, component, region, layer or section without departing from the scope of the present invention.

The terminology used herein is only for referring to specific embodiments and is not intended to limit the present invention. As used herein, the singular forms also include the plural forms unless the phrases clearly indicate the opposite.

The meaning of "comprising" as used herein specifies particular characteristics, regions, integers, steps, operations, elements and/or components, and the presence or absence of other characteristics, regions, integers, steps, operations, elements and/or components. Additions are not excluded.

Terms indicating relative space, such as “below” and “above,” may be used to more easily describe the relationship of one part to another shown in the drawings.

These terms are intended to include other meanings or operations of the device in use with the meaning intended in the drawings. For example, if the device in the figures is turned over, certain parts described as being “below” other parts will be described as being “above” the other parts. Thus, the exemplary term "below" includes both directions above and below.

The device may rotate 90 degrees or other angles, and terms denoting relative space are interpreted accordingly.

Although not defined differently, all terms including technical terms and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the art to which the present invention belongs. Terms defined in commonly used dictionaries are additionally interpreted as having meanings consistent with related technical literature and currently disclosed content, and are not interpreted in ideal or very formal meanings unless defined.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of a metal PCB assembling device for a car headlamp according to an embodiment of the present invention, and FIG. 2 is a step cutting section of the metal PCB assembly device for a car headlamp according to an embodiment of the present invention. FIG. 3 is a view for explaining a substrate coupling part of a metal PCB assembly device for a car headlamp according to an embodiment of the present invention, and FIG. 4 is a metal PCB for a car headlamp according to an embodiment of the present invention. It is a drawing for explaining the double-sided board coupling part of the assembling device.

Referring to FIG. 1 , an apparatus 100 for assembling a metal PCB for an automobile headlamp according to an embodiment of the present invention includes a substrate transfer unit 110 for disposing and fixing the metal PCB 10 at a predetermined first position, the first A stepped cutting processing unit 120 for processing at least one cutting groove on the metal PCB 10 disposed at 1 position, a state in which the metal PCB 10 is disposed at the first position and on the metal PCB 10 Module position for determining the mounting position of the OLED module 20 based on the state of the metal PCB 10 photographed by the substrate photographing unit 130 for photographing the position of the cutting groove formed in the substrate photographing unit 130 The determining unit 140, the module mounting unit 150 for mounting the OLED module 20 to the mounting position determined by the module location determining unit 140, and one end of the metal PCB 10 to which the OLDE module 20 is mounted The FPCB coupling part 160 for coupling the flexible printed circuit board 30 to and the metal PCB 10 coupled to the flexible printed circuit board 30 are transferred to a second predetermined position, and the second position A substrate coupling part 170 coupling the metal PCB 10 to the back plate 40 disposed thereon may be included.

More specifically, referring to FIG. 2 , the step cutting processing unit 120 cuts only a portion of the total thickness of the metal PCB 10 to a predetermined depth to form the cutting groove, but the cutting groove is It may be formed in the form of at least one of a cone-shaped V-shaped cutting groove 210, the width of which narrows toward the bottom, and a U-shaped cutting groove 220 maintaining the same width toward the bottom.

For example, the stepped cutting processing unit 120 processes the metal PCB 10 in addition to the first blade forming the V-shaped cutting groove 210 and the second blade forming the U-shaped cutting groove 220 The cutting groove can be formed using a blade that can be used.

Meanwhile, the module location determiner 140 may determine a location where the OLED module 20 is mounted by recognizing a zero mark formed on the metal PCB 10 .

At this time, by analyzing the image photographed by the substrate photographing unit 130, it is determined whether the metal PCB 10 is accurately fixed to the first position, whether the cutting groove is processed while it is accurately fixed to the first position, and the like. can judge

Therefore, it is determined whether or not at least one cutting groove exists within a predetermined range at the position where the OLED module 20 is mounted, and if at least one cutting groove exists within the predetermined range, cutting is performed at the recognized zero mark. A corrected second zero point in which at least one cutting groove does not exist within a predetermined range at a position where the OLED module 20 is mounted can be calculated by reflecting the position of the groove.

At this time, when the second zero point is not calculated by the module location determiner 140, it is determined that the cutting groove processing of the metal PCB 10 is defective, and diagnosis and recovery of the metal PCB 10 are performed. It is also possible to generate a requested alarm signal.

For example, the board photographing unit 130 may determine whether or not the processing of the step is defective by analyzing an image of a processed state of the cutting groove.

Meanwhile, referring to FIG. 3 , the board coupling part 170 couples the metal PCB 10 to the back plate 40 disposed at the second position, and the back plate to which the metal PCB 10 is coupled. The mounting surface of the plate 40 may be provided in the form of multi-faceted surfaces having respective inclinations.

In addition, the metal PCB 10 is pressed onto the back plate 40 in a state in which the bent portion of the mounting surface and the cutting groove formed in the metal PCB 10 are aligned, so that the metal PCB 10 can be processed into a bent shape.

In addition, the metal PCB 10 and the back plate 40 may be coupled so that the metal PCB 10 may stably maintain a bent shape.

In addition, referring to FIG. 4 , when the mounting surface of the back plate 40 includes an upper mounting surface and a lower mounting surface, the substrate coupling part 170 attaches the metal PCB to the upper surface of the back plate 40 . After coupling (10a), another metal PCB (10b) corresponding to the lower mounting surface is coupled, and the other end of the flexible printed circuit board (FPCB) 30 having one end coupled to the metal PCB (10a) and the other metal PCB (10b) ) It is characterized in that it comprises a double-sided board coupling part (not shown) for coupling one end of.

According to the effects of the present invention as described above, the metal PCB assembly plant for automobile headlamps can be manufactured in a bent multi-sided shape and double-sided shape by forming a cutting groove in the metal PCB and combining it with a flexible printed circuit board (FPCB). Accordingly, a metal PCB assembly device for an automobile headlamp capable of improving design freedom may be provided.

In addition, by mounting the OLED module on the metal PCB, a metal PCB assembly device for an automobile headlamp capable of improving color clarity and luminous efficiency can be provided.

In addition, the control method of an apparatus for assembling an OLED module for a vehicle headlamp according to an embodiment of the present invention may be recorded in a computer readable medium including program instructions for performing various computer-implemented operations. The computer readable medium may include program instructions, data files, data structures, etc. alone or in combination. The medium may include program instructions specially designed and configured for the present invention, or may be known and usable to those skilled in computer software. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks and magnetic tapes, optical media such as CD-ROMs and DVDs, and magnetic media such as floptical disks. - includes hardware devices specially configured to store and execute program instructions, such as magneto-optical media, and ROM, RAM, flash memory, and the like. Examples of program instructions include high-level language codes that can be executed by a computer using an interpreter, as well as machine language codes such as those produced by a compiler.

As described above, although one embodiment of the present invention has been described by means of limited embodiments and drawings, one embodiment of the present invention is not limited to the above-described embodiments, which is based on common knowledge in the field to which the present invention belongs. Those who have it can make various modifications and variations from these materials. Therefore, one embodiment of the present invention should be grasped only by the claims described below, and all equivalent or equivalent modifications thereof will be said to belong to the scope of the present invention.

10: Metal PCB

20: OLED module

30: flexible printed circuit board

40: back plate

110: substrate transfer unit

120: step cutting processing unit

130: board photographing unit

140: module location determining unit

150: module mounting part

160: FPCB coupling part

170: board coupling part

Claims

a substrate transfer unit for arranging and fixing the metal PCB at a predetermined first position;

a stepped cutting unit for processing at least one cutting groove on the metal PCB disposed at the first position;

a substrate photographing unit for photographing a state in which the metal PCB is disposed at the first position and a position of the cutting groove formed on the metal PCB;

a module position determining unit for determining a mounting position of an OLED module based on the state of the metal PCB photographed by the board photographing unit;

a module mounting unit for mounting the OLED module at the mounting position determined by the module position determining unit;

an FPCB coupling unit coupling a flexible printed circuit board to one end of the metal PCB on which the OLDE module is mounted; and

A metal PCB for automobile headlamps comprising: a board coupling unit transferring the metal PCB coupled to the flexible printed circuit board to a predetermined second position and coupling the metal PCB to a backplate disposed at the second position. PCB assembly device.
According to claim 1,

The step cutting processing unit,

Forming the cutting groove by cutting to a predetermined depth leaving only a part of the total thickness of the metal PCB,

The cutting groove,

A cone-shaped V-shaped cutting groove that becomes narrower toward the bottom; and

U-shaped cutting grooves maintaining the same width toward the bottom; Metal PCB assembly device for automobile headlamps, characterized in that formed in the form of at least one of.
According to claim 1,

The module location determination unit,

Recognizing the zero mark formed on the metal PCB to determine the mounting position of the OLED module,

By analyzing the image captured by the substrate photographing unit, it is determined whether or not at least one cutting groove exists within a predetermined range from a position where the OLED module is mounted, and the at least one cutting groove exists within the predetermined range. In this case, the position of the cutting groove is reflected on the recognized zero mark to calculate a corrected second zero point where at least one cutting groove does not exist within the predetermined range at a position where the OLED module is mounted. A metal PCB assembly device for automotive headlamps.
According to claim 1,

The substrate coupling part,

The metal PCB is coupled to the back plate disposed at the second position,

The mounting surface of the back plate to which the metal PC ratio is coupled is provided in the form of multi-faceted surfaces having respective inclinations,

In a state in which the bent portion of the mounting surface coincides with the position of the cutting groove formed in the metal PCB, the metal PCB is pressed on the back plate to bend the metal PCB and then coupled to the back plate. Metal PCB assembly device for automotive headlamps.
According to claim 4,

The substrate coupling part,

When the mounting surface of the back plate includes an upper mounting surface and a lower mounting surface, the metal PCB is coupled to the upper surface of the back plate, and another metal PCB corresponding to the lower mounting surface is coupled to the metal PCB. and a double-sided board coupling part for coupling the other end of the flexible printed circuit board to which one end is coupled and one end of the other metal PCB.