CN214095942U

CN214095942U - Line structure light laser

Info

Publication number: CN214095942U
Application number: CN202023325760.XU
Authority: CN
Inventors: 张明勇
Original assignee: Chengdu Juying Intelligent Technology Co ltd
Current assignee: Chengdu Juying Intelligent Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-08-31
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a line structure light laser, including a plurality of line structure light laser body, it is a plurality of the optical parameter of line structure light laser body is the same, and is a plurality of the light path center pin of line structure light laser body intersects in a bit. The utility model discloses a plurality of word line laser instruments are connected to self-made coupling mechanism, make each word line laser instrument symmetry place, and be certain contained angle each other between the light path center pin of each word line laser instrument, make the target object that is located a word line laser instrument below can be shone from a plurality of directions by multi-beam structured light simultaneously, have optimized the illuminating effect on measured object inclined plane, have improved the integrality to reflection of light material inclined plane profile detection, have improved optics profile detection effect.

Description

Line structure light laser

Technical Field

The utility model relates to an optical measurement device field especially relates to a line structure light laser.

Background

In industrial non-contact measurement, optical measurement products based on line structured light are in various types, such as laser profilometers, laser seam tracking sensors, laser three-dimensional scanners, and the like. At present, the line structured light measurement products generally employ a single laser light source, which causes the light bars projected onto the target to come from the same point source. In some applications, such as measuring the shape of a weld with a highly reflective surface, the shape of a PCB pad, and the metal pins of an electronic component, the illumination effect of the light incident on the inclined surface of the target object from the conventional line structure is poor, and the bright line on the inclined surface of the target object on the image becomes weak, intermittent, or even missing.

The existing solutions mainly include two types, one is to expose the same position of the target for multiple times, or to take pictures of the target for multiple times under the condition of changing the brightness of the light source, so that the light bar image of the inclined plane can be obtained by taking pictures at least once, then to use the image fusion technology to fuse the light bar image of the illumination target into an image with clear and complete light bar, and then to perform the subsequent algorithm processing. The speed of the scheme is low, and the other scheme is that a camera chip with a high dynamic range is adopted, in a single shooting, the brightness of the light strip image irradiated at a normal angle is nonlinearly compressed, and meanwhile, the brightness of the light strip on the inclined surface of the target object is enhanced, so that a relatively complete light strip outline appears on the image. This solution has a high speed performance, but at a slightly higher cost, and in some cases there is still a lack of contour at the object slope.

Therefore, how to improve the optical measurement performance based on the line structured light, especially to improve the integrity of the detection of the slope profile of the reflective material, remains a problem to be continuously solved in the field of optical technology.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a line structure light laser has optimized the illuminating effect on measured object inclined plane, has improved the integrality to reflection of light material inclined plane profile detection, has improved optics profile detection effect.

The technical scheme of the utility model as follows:

the utility model provides a line structure light laser, includes a plurality of line structure light laser body, and a plurality of the optical parameter of line structure light laser body is the same or close, and a plurality of the light path center pin of line structure light laser body intersects in a bit.

In a further technical solution, the number of the line structured light laser bodies is 2 or 3.

In a further technical scheme, an included angle between the central axes of the light paths of the two line-structured light laser bodies positioned at the outermost side is 80-180 degrees.

In a further technical scheme, the line structured light laser body is a linear laser, and optical projection planes of a plurality of the line structured light laser bodies are coplanar.

In a further technical scheme, still include coupling mechanism, coupling mechanism has the connecting portion that are used for installing a plurality of line structure light laser body respectively, the light path that corresponds line structure light laser body on the connecting portion is equipped with the light-emitting window.

In a further technical scheme, each connecting portion is provided with a mounting box with a hollow bottom, the line structured light laser body is arranged in the mounting box, and a reflector is arranged on a light path of the line structured light laser body in the mounting box.

The working principle of the technical scheme is as follows:

adopt a plurality of word line lasers of self-control coupling mechanism connection, make each word line laser symmetry place, and be certain contained angle each other between each word line laser's the light path center pin, make the target object that is located a word line laser below can be shone from a plurality of directions by many bunch structured light simultaneously, optimized the illuminating effect on measured object inclined plane, improved the integrality to reflection of light material inclined plane profile detection, improved optics profile detection effect.

The utility model has the advantages that:

the utility model discloses can make the target object that is located a word line laser below can be shone from a plurality of directions by multibeam structured light simultaneously, optimize the illuminating effect on measured object inclined plane, improve the integrality to reflection of light material inclined plane profile detection, improve optics profile detection effect.

Drawings

Fig. 1 is a schematic optical path diagram of a line structured light laser according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a line structured light laser according to an embodiment of the present invention;

fig. 3 is a schematic view of an internal structure of the mounting box according to the embodiment of the present invention.

Description of reference numerals:

1. a first line structured light laser body; 2. a second line structured light laser body; 3. a third line structured light laser body; 4. a connecting mechanism; 5. a first mounting box; 6. a second mounting box; 7. mounting a plate; 8. a light outlet; 9. a mirror.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings.

Example (b):

as shown in fig. 1, a line structure light laser, including first line structure light laser body 1, second line structure light laser body 2 and third line structure light laser body 3, three line structure light laser body is a word line laser, the optical parameter of three line structure light laser body is the same or close, and the light path center pin of three line structure light laser body intersects in a point for the optics of three word line laser throws the plane coplane, the striation coincidence is in a straight line, the striation that also can adjust three word line laser is parallel to each other.

In this embodiment, the first line structured light laser device body 1 is a main laser device, the second line structured light laser device body 2 and the third line structured light laser device body 3 are auxiliary laser devices, and the included angle between the light path center axes of the second line structured light laser device body 2 and the third line structured light laser device body 3 is adjusted to be 80 ° to 180 °.

In another embodiment, as shown in fig. 2, the laser further includes a connecting mechanism 4, the connecting mechanism 4 has three connecting portions, and the three line-structured light laser bodies are respectively mounted on the three connecting portions, and each connecting portion is provided with a light outlet 8.

A pair of mounting plates 7 can be arranged on the connecting part in the middle to form a clamping groove, so that the laser can be conveniently mounted on other main lasers.

In another embodiment, as shown in fig. 3, a first mounting box 5 and a second mounting box 6 are respectively disposed on the connecting portions at two sides, the bottom of the mounting boxes is hollow, the two auxiliary lasers are respectively disposed in the two mounting boxes, and a reflecting mirror 9 is disposed in the mounting boxes on the light path of the auxiliary lasers to reflect the light of the auxiliary lasers inwards and downwards to the surface of the object to be measured.

The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. A line structure optical laser is characterized by comprising a plurality of line structure optical laser bodies, wherein optical parameters of the line structure optical laser bodies are the same, light path central axes of the line structure optical laser bodies intersect at one point, and the number of the line structure optical laser bodies is 2 or 3; the included angle between the central axes of the light paths of the two line structured light laser bodies positioned at the outermost side is 80-180 degrees; the line-structured light laser body is a linear laser, and the optical projection planes of a plurality of line-structured light laser bodies are coplanar; still include coupling mechanism, coupling mechanism has the connecting portion that are used for installing a plurality of line structure light laser body respectively, the light path that corresponds line structure light laser body on the connecting portion is equipped with the light outlet.

2. The line structured light laser of claim 1, wherein each of the connecting portions has a hollow-bottom mounting box, the line structured light laser body is disposed in the mounting box, and a reflector is disposed in the mounting box and located on the light path of the line structured light laser body.