CN217156898U

CN217156898U - Optical element assembling device and laser module

Info

Publication number: CN217156898U
Application number: CN202123016614.3U
Authority: CN
Inventors: 亓玉凯; 门之鹏
Original assignee: Qingdao Lasence Co ltd
Current assignee: Qingdao Lasence Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-08-09
Anticipated expiration: 2031-12-03

Abstract

The utility model belongs to laser application, concretely relates to optical element assembly quality, laser module. Comprises an upper pressure plate and a lower pressure plate; the upper pressing plate is provided with a groove for placing the rod mirror, and the bottom of the groove is provided with a light source outlet; the upper surface of the lower pressing plate is a horizontal plane, and a light source inlet is formed in the lower pressing plate; the upper pressing plate is connected with the lower pressing plate, and the grooves are matched with the upper surface of the lower pressing plate to position the rod mirror. The utility model has the advantages of improve the debugging efficiency of rod mirror installation, reduce the debugging degree of difficulty.

Description

Optical element assembling device and laser module

Technical Field

The utility model belongs to laser application, concretely relates to optical element assembly quality, laser module.

Background

At present, a laser device mainly depends on a laser point light source to be irradiated on optical devices such as a cylindrical mirror and a powell prism, so that a circle of the laser point light source is converged or diffused to generate linear laser.

The linear laser is required in different application scenes or different laser light sources with different energy. The energy distribution of light spots of linear laser generated by the Bawell prism is uniform, but the field angle is difficult to be large, and the requirement of larger light spots cannot be met; the cylindrical mirror has concentrated energy distribution, and the opening angle is difficult to be enlarged, so that the requirements of uniform energy and larger light spots cannot be met.

Therefore, the device for enabling the laser light source to irradiate on the rod mirrors is designed, but the debugging difficulty is high and the debugging efficiency is low when the rod mirrors are assembled.

SUMMERY OF THE UTILITY MODEL

The utility model provides an optical element assembly quality, the utility model has the advantages of improve the debugging efficiency of rod mirror installation, reduce the debugging degree of difficulty.

The utility model discloses a following technical scheme realizes:

an optical element mounting apparatus includes an upper platen and a lower platen;

the upper pressing plate is provided with a groove for placing the rod mirror, and the bottom of the groove is provided with a light source outlet;

the upper surface of the lower pressing plate is a horizontal plane, and a light source inlet is formed in the lower pressing plate;

the upper pressing plate is connected with the lower pressing plate, and the grooves are matched with the upper surface of the lower pressing plate to position the rod mirror.

Further, the shape of the groove is matched with the rod lens arranged in the groove.

Further, the groove limits the rod lens through a plane and/or an arc surface.

Further, the upper pressure plate is connected with the lower pressure plate through a connecting piece.

Further, the upper pressure plate and the lower pressure plate are integrally formed.

Furthermore, a connecting line of the central points of the light source inlet and the light source outlet is vertical to the light source inlet, and a connecting line of the central points of the light source inlet and the light source outlet is vertical to the light source outlet.

A laser module comprises the optical element assembling device and a rod mirror, wherein the rod mirror is arranged between an upper pressing plate and a lower pressing plate.

A laser device comprises the laser module and a light source mechanism, wherein the laser module is used for receiving a light source emitted by the light source mechanism.

Adopt above-mentioned scheme, the utility model discloses a following advantage:

1. the utility model has the advantages of improve the debugging efficiency of rod mirror installation, reduce the debugging degree of difficulty.

2. When assembling optical element, the utility model discloses fix into a whole with a plurality of independent excellent mirrors, set up this assembly quality in the position of design, just accomplished the excellent mirror assembly, need not to debug.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention or the description of the prior art will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a first schematic structural diagram of an embodiment of the present invention;

fig. 3 is a schematic structural diagram ii according to an embodiment of the present invention;

fig. 4 is a third schematic structural diagram of the embodiment of the present invention;

fig. 5 is a fourth schematic structural diagram of the embodiment of the present invention;

in the drawings: 1. the device comprises an upper pressing plate, 2, a lower pressing plate, 3, a groove, 4, a light source inlet, 5, a light source outlet, 6, a connecting piece, 7, a rod mirror, 8 and a connecting groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that when an element is referred to as being "fixed" or "disposed" to another element, it can be directly on the other element or be indirectly connected to the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

The present embodiment provides an optical element mounting apparatus as shown in fig. 1, including an upper platen 1 and a lower platen 2;

the upper pressing plate 1 is provided with a groove 3 for placing a rod mirror 7, and the bottom of the groove 3 is provided with a light source outlet 5;

the upper surface of the lower pressing plate 2 is a horizontal plane, and a light source inlet 4 is formed in the lower pressing plate 2;

the upper pressing plate 1 is connected with the lower pressing plate 2, and the groove 3 is matched with the upper surface of the lower pressing plate 2 to position the rod lens 7.

Further, the shape of the recess 3 is adapted to the rod lens 7 arranged in the recess 3.

Further, the groove 3 limits the rod lens 7 through a plane and/or a cambered surface.

As shown in fig. 2, the groove 3 includes two arc surfaces and a plane, the two arc surfaces are respectively connected to two sides of the plane, the two arc surfaces have the same size, and the distance from the top point of the arc surface to the lower pressing plate 2 is greater than the distance from the plane to the lower pressing plate 2; the structure can be used for arranging 3 rod mirrors 7, the diameters of the rod mirrors 7 on the two sides are the same, and the diameters of the rod mirrors 7 on the two sides are larger than that of the rod mirror 7 in the middle; of course, for such a combination of the rod mirrors 7, the shape of the groove 3 is not unique, as shown in fig. 3, it may be the same as the plane limiting the rod mirror 7, as shown in fig. 4, or the same as the arc limiting the rod mirror 7; or the middle part can be a cambered surface, and the two sides are planes for limiting the rod lens 7.

Of course, the use of 3 rod mirrors 7 is only one of the cases, and the shape of the recess 3 varies depending on the number of rod mirrors 7.

As shown in fig. 5, the recess 3 can be provided with two rod mirrors 7.

Further, the upper press plate 1 and the lower press plate 2 are fixed by combining at the connecting groove 8, the connecting groove 8 can be fixed by the connecting piece 6, screw or nut, but is not limited to screw or nut, and other connecting means such as adhesive connection or the arrangement of the upper and lower press plates 2 and the snap fit on them can be matched.

Further, the upper press plate 1 and the lower press plate 2 are integrally formed. Namely, the upper pressure plate 1 and the lower pressure plate 2 are integrated without other connecting pieces.

Further, a line connecting the center points of the light source inlet 4 and the light source outlet 5 is perpendicular to the light source inlet 4, and a line connecting the center points of the light source inlet 4 and the light source outlet 5 is perpendicular to the light source outlet 5. The full use of the light source is ensured in the case of a minimum opening of the light source inlet 4 and the light source outlet 5. Wherein the size of the light source outlet 5 ensures that the size of the emitted light spot is phi 3-6 mm.

The implementation mode is as follows: in the laser device, a solid laser, a beam expanding lens, a collimating lens and a plurality of rod mirrors 7 are sequentially arranged, when the rod mirrors 7 are assembled in the laser device, the rod mirrors 7 need to be fixed according to a designed matching mode, for example, in the combination mode of 3 rod mirrors 7 in the embodiment, the precise and continuous debugging needs to be ensured, the debugging needs to enable the rod mirrors 7 to accord with the combination mode, and the 3 rod mirrors 7 are also suitable for the position in the laser device, so that the direct debugging of the rod mirrors 7 not only has great debugging difficulty, but also has low debugging efficiency; but with excellent mirror 7 setting the utility model discloses in, realize debugging excellent mirror 7 indirectly through debugging assembly quality, can reduce the debugging degree of difficulty, promote debugging efficiency.

As shown in fig. 2, 3 and 4, a laser module includes the optical element assembling apparatus as described above, and further includes a rod mirror disposed between the upper platen 1 and the lower platen 2.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. An optical component mounting apparatus characterized by: comprises an upper pressure plate (1) and a lower pressure plate (2);

a groove (3) for placing a rod mirror (7) is formed in the upper pressing plate (1), and a light source outlet (5) is formed in the bottom of the groove (3);

the upper surface of the lower pressing plate (2) is a horizontal plane or a cambered surface, and a light source inlet (4) is formed in the lower pressing plate (2);

the upper pressing plate (1) is connected with the lower pressing plate (2), the grooves (3) are matched with the upper surface of the lower pressing plate (2) to position the rod lenses (7), and the number of the rod lenses (7) is two or more.

2. An optical component mounting apparatus as claimed in claim 1, wherein: the shape of the groove (3) is matched with the rod mirror (7) arranged in the groove (3).

3. An optical component mounting apparatus as claimed in claim 1, wherein: the groove (3) limits the rod mirror (7) through a plane and/or an arc surface.

4. An optical component mounting apparatus as claimed in claim 1, wherein: the assembly positions of the upper pressure plate (1) and the lower pressure plate (2) can be interchanged.

5. An optical component mounting apparatus as claimed in claim 1, wherein: the upper pressing plate (1) is connected with the lower pressing plate (2) through a connecting piece (6).

6. An optical component mounting apparatus as claimed in claim 1, wherein: the upper pressing plate (1) and the lower pressing plate (2) are integrally formed.

7. An optical component mounting apparatus as claimed in claim 1, wherein: one of the upper pressing plate (1) and the lower pressing plate (2) can be replaced by a corresponding plane and/or cambered surface formed by a shell of the laser source.

8. An optical component mounting apparatus as claimed in claim 1, wherein: the connecting line of the central points of the light source inlet (4) and the light source outlet (5) is vertical to the light source inlet (4), and the connecting line of the central points of the light source inlet (4) and the light source outlet (5) is vertical to the light source outlet (5).

9. A laser module comprising the optical component mounting apparatus of any one of claims 1-8, wherein: the LED lamp further comprises a light source mechanism and a rod mirror, wherein the rod mirror is arranged between the upper pressing plate (1) and the lower pressing plate (2).