CN214369884U

CN214369884U - Multifunctional alignment target visual detection light source

Info

Publication number: CN214369884U
Application number: CN202120300747.4U
Authority: CN
Inventors: 王�华; 陈志特; 黄海浩
Original assignee: Guangdong Keshi Optical Technology Co ltd
Current assignee: Guangdong Keshi Optical Technology Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-10-08
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a multi-functional counterpoint target visual detection light source, including heat dissipation base and LED lamp plate, a plurality of LED lamp pearls are the annular structure of concentric circles and arrange, are provided with the LED lamp pearl of at least three kinds of colours on the LED lamp plate to each LED lamp pearl is arranged into at least three rings, and each ring is the LED lamp pearl of single colour, and the LED lamp pearl of different colours is connected with independent control mechanism, forms independent control structure; the light-gathering points of the LED lamp beads are overlapped. The utility model discloses a set up and shine and the annular structure LED light source of spotlight coincidence according to certain angle to set up the LED of multiple colour, the LED of every colour can both independently control its switch and luminance, can shine through the LED that switches corresponding colour according to the condition that the circuit board counterpoint target is covered by different colour printing ink, realizes the optimal image effect, promotes and grabs the drawing precision. The operation of the light source is convenient when different colors are switched, and the structure of the light source is simple.

Description

Multifunctional alignment target visual detection light source

Technical Field

The utility model relates to an electronic circuit board's manufacturing sets up technical field, concretely relates to be applied to moving of convenient clean film of exposure machine and carries device.

Background

With the rapid development of the electronic circuit board industry, in recent years, there is an urgent need for improving the productivity of the exposure machine in the industry, and therefore, more and more factories pay attention to the adoption of an automatic machine to replace manual operation, so that the labor cost is reduced, and the production efficiency is improved. At present, the circuit board factory is on the soldermask process, and in order to promote efficiency, coating or spraying technology are usually adopted to printing ink silk screen printing process, can lead to the counterpoint target of circuit board to cover printing ink like this for the precision of the automatic counterpoint grapple of rear end soldermask exposure process reduces or can't grapple. In an exposure machine alignment system, an exposure machine manufacturer mainly adopts a visual detection light source with a single wavelength to illuminate an alignment target of a circuit board, such as green light, and can normally grasp a picture of a bare copper alignment target without ink coverage or an alignment target covered by green, blue and other color inks. However, the compatibility of the visual detection light source is poor, and alignment targets covered by white ink, black ink and other variegated inks cannot be subjected to image capture or have poor image capture precision, so that the problems of incapability of alignment or poor alignment precision are caused, and the development requirements of circuit board factories cannot be met. And if the light sources with different wavelengths are adopted to carry out alignment and image capture, the problems that the light source switching is complicated, the normal working process is influenced and the like exist.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a realize that simple structure, light source switch make things convenient for, can realize the printing ink of the compatible various colours of counterpoint system, cover the counterpoint target, satisfy the multi-functional counterpoint target visual detection light source of high accuracy counterpoint requirement.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a multi-functional counterpoint target visual detection light source, is including heat dissipation base and LED lamp plate, and the LED lamp plate is installed in the heat dissipation base, is provided with LED lamp pearl, its characterized in that on the LED lamp plate: the LED lamp beads are arranged in a concentric ring structure, the LED lamp beads with at least three colors are arranged on the LED lamp panel, each LED lamp bead is arranged into at least three rings, each ring is an LED lamp bead with a single color, the LED lamp beads with different colors are connected with independent control mechanisms to form independent control structures, namely, the LED lamp beads with each color can be independently switched on and off, adjusted in brightness and the like; the LED lamp beads are obliquely arranged on the LED lamp panel so that the condensation points of the LED lamp beads are overlapped.

Furthermore, the LED lamp panel is arranged in the radiating base in a horn-shaped structure, the radiating base gradually extends downwards from the middle to the outside in an inclined mode, and each LED lamp bead and the LED lamp panel form a vertical structure; the centers of the heat dissipation base and the LED lamp panel are through holes.

Furthermore, the edge of the bottom of the outer side of the heat dissipation base is provided with a circle of flanges which protrude downwards, and the bottom edges of the flanges are basically flush with the lowest position of the LED lamp beads, so that the LED lamp beads can be protected to a certain extent and the LED lamp beads can be prevented from being irradiated to the outside.

Furthermore, each LED lamp bead is evenly arranged on the LED lamp panel, and the same interval is arranged between every two LED lamp beads.

Preferably, the LED lamp panel is provided with 3-12 rings of LED lamp beads, including 3-9 colors, and the number and the required color of the LED lamp beads can be selected according to actual needs.

Preferably, be provided with the LED lamp pearl of 6 rings on the LED lamp plate, including 3 kinds of colours. The LED lamp beads positioned on the two rings at the innermost side are white LEDs, the LED lamp beads positioned on the two rings at the middle side are red LEDs, and the LED lamp beads positioned on the two rings at the outer side are infrared LEDs.

The inclination angle of the LED lamp panel is 10-30 degrees.

The utility model discloses a set up the annular structure LED that certain angle shines, constitute the light source that has a spotlight point by multirow LED, and set up the LED of a plurality of colours (wave band), each LED distributes in annular structure's LED lamp plate according to certain rule, the LED of every wave band can both independent control its switch and luminance, so can be according to the condition that the circuit board counterpoint target is covered by different colour printing ink, shine through the LED that switches corresponding colour (wave band), realize the optimal image effect, promote and grab the drawing precision, and improve the yields of work efficiency and circuit board. Meanwhile, the light source with the structure is very convenient to operate when the illumination with different colors is switched, and the structure of the whole light source is also very simple.

Drawings

FIG. 1 is a three-dimensional structure of the present invention;

fig. 2 is a cross-sectional structure view of the present invention.

In the figure, 1 is the heat dissipation base, and 11 are the flange, and 2 are the LED lamp plate, and 3 are LED lamp pearl, and 31 are white lamp pearl, and 32 are red lamp pearl, and 33 are infrared lamp pearl.

Detailed Description

In the embodiment, referring to fig. 1 and fig. 2, the multifunctional alignment target visual detection light source comprises a heat dissipation base 1 and an LED lamp panel 2, wherein the LED lamp panel 2 is installed in the heat dissipation base 1, and the LED lamp panel 2 is provided with an LED lamp bead 3; the LED lamp beads 3 are arranged in a concentric ring structure, the LED lamp beads 3 with at least three colors are arranged on the LED lamp panel 2, each LED lamp bead 3 is arranged into at least three rings, each ring is the LED lamp bead 3 with a single color (wave band), the LED lamp beads 3 with different colors are connected with independent control mechanisms to form independent control structures, namely, the LED lamp beads 3 with each color can be independently turned on, turned off, adjusted in brightness and the like; LED lamp pearl 3 sets up for the slope on LED lamp plate 2 to make the spotlight of each LED lamp pearl 3 coincide.

The LED lamp panel 2 is arranged in the heat dissipation base 1 in a horn-shaped structure, the heat dissipation base gradually extends downwards from the middle to the outside in an inclined mode, and each LED lamp bead 3 and the LED lamp panel 2 form a vertical structure; the centers of the heat dissipation base 1 and the LED lamp panel 2 are through holes.

The edge of the bottom of the outer side of the heat dissipation base 1 is provided with a circle of flanges 11 protruding downwards, and the bottom edges of the flanges 11 are basically flush with the lowest position of the LED lamp beads 3, so that the LED lamp beads 3 can be protected to a certain extent and the light can be prevented from irradiating the outside.

Each LED lamp pearl 3 is evenly arranged on LED lamp plate 2, has the same interval between each LED lamp pearl 3 to make light more even.

LED lamp pearl that is provided with 6 rings on LED lamp plate 2, including 3 kinds of colours. The LED lamp beads positioned in the two innermost rings are white lamp beads 31, and the LED lamp beads positioned in the middle two rings are red lamp beads 32; the LED lamp beads of the two outer rings are infrared lamp beads 33, and the wavelength of the infrared lamp beads is 940 nm.

The inclination angle of the LED lamp panel 2 is 10-30 degrees, such as 15 degrees.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.

Claims

1. The utility model provides a multi-functional counterpoint target visual detection light source, is including heat dissipation base and LED lamp plate, and the LED lamp plate is installed in the heat dissipation base, is provided with LED lamp pearl, its characterized in that on the LED lamp plate: the LED lamp beads are arranged in a concentric ring structure, the LED lamp beads with at least three colors are arranged on the LED lamp panel, each LED lamp bead is arranged into at least three rings, each ring is an LED lamp bead with a single color, and the LED lamp beads with different colors are connected with independent control mechanisms to form independent control structures; the LED lamp beads are obliquely arranged on the LED lamp panel so that the condensation points of the LED lamp beads are overlapped.

2. The multifunctional para-target visual detection light source of claim 1, wherein: the LED lamp panel is arranged in the heat dissipation base in a horn-shaped structure, the LED lamp panel gradually extends downwards from the middle to the outside in an inclined mode, and each LED lamp bead and the LED lamp panel form a vertical structure; the centers of the heat dissipation base and the LED lamp panel are through holes.

3. The multifunctional alignment target vision inspection light source of claim 2, wherein: and a circle of flanges which protrude downwards are arranged at the edge of the bottom of the outer side of the heat dissipation base, and the bottom edges of the flanges are basically flush with the lowest position of the LED lamp beads.

4. The multifunctional para-target visual detection light source of claim 1, wherein: each LED lamp bead is evenly arranged on the LED lamp panel, and the same interval is arranged between every two LED lamp beads.

5. The multifunctional para-target visual detection light source of claim 1, wherein: the LED lamp panel is provided with 3-12 rings of LED lamp beads, which comprise 3-9 colors.

6. The multifunctional para-target visual detection light source of claim 1, wherein: LED lamp beads with 6 rings are arranged on the LED lamp panel and comprise 3 colors.

7. The multifunctional alignment target vision inspection light source of claim 6, wherein: the LED lamp beads positioned on the two rings at the innermost side are white LEDs, the LED lamp beads positioned on the two rings at the middle side are red LEDs, and the LED lamp beads positioned on the two rings at the outer side are infrared LEDs.

8. The multifunctional alignment target vision inspection light source of claim 2, wherein: the inclination angle of the LED lamp panel is 10-30 degrees.