CN112202047B

CN112202047B - Laser device

Info

Publication number: CN112202047B
Application number: CN202011010887.4A
Authority: CN
Inventors: 秦占阳; 高森; 刘浩; 王亚磊
Original assignee: Guangdong Guangdong Hong Kong Macao Dawan District Hard Science And Technology Innovation Research Institute
Current assignee: Zhongke Guangzhi Chongqing Technology Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2022-06-21
Anticipated expiration: 2040-09-23
Also published as: CN112202047A

Abstract

The invention relates to a laser comprising: the laser beam combining mechanism is used for combining the laser beams emitted by the laser emitting mechanisms; the beam combining mechanism comprises an adjusting module and a beam combining assembly arranged on the adjusting module, the beam combining assembly is used for mutually inserting and combining a plurality of laser beams emitted by different laser emitting mechanisms, and the adjusting module is used for driving the beam combining assembly to move and/or rotate so as to adjust the position and/or angle of the beam combining assembly, so that the beam combining assembly can more conveniently adjust the position of the beam combining assembly relative to the laser emitting mechanisms and the angle between the beam combining assembly and the light emitting direction of the laser emitting mechanisms, the beam combining assembly can realize the insertion and combination of the laser beams emitted by the laser emitting mechanisms at different positions in different combination modes, the laser can form laser combined light sources with different energy density sizes, and the application condition and range of the laser are effectively expanded.

Description

Laser device

Technical Field

The invention relates to the technical field of laser, in particular to a laser.

Background

When a traditional laser uses a semiconductor laser stack array as a light source, an output light spot still keeps a light-emitting dead zone between bar and bar, and the uniformity is poor. The current laser generally adopts a beam combining mechanism to combine a plurality of light beams respectively emitted by a plurality of semiconductor laser stacked arrays into one beam so as to increase the output power of the light beam and keep the quality of the light beam unchanged, thereby improving the brightness of the light beam, but the position and/or the angle of the beam combining mechanism are/is not convenient to adjust, thereby causing great limitation to the application of the laser.

Disclosure of Invention

Based on this, the invention provides a laser which can facilitate the adjustment of the position and/or angle of the beam combining mechanism.

A laser, comprising:

a plurality of laser emitting mechanisms for emitting a plurality of laser beams; and

the beam combining mechanism comprises an adjusting module and a beam combining assembly arranged on the adjusting module, the beam combining assembly is used for arranging and combining a plurality of laser beams emitted by different laser emitting mechanisms in a mutually-inserted manner, and the adjusting module is used for driving the beam combining assembly to move and/or rotate so as to adjust the position and/or angle of the beam combining assembly.

In one embodiment, the adjusting module includes a first adjusting unit and a second adjusting unit connected to each other, the beam combining assembly is disposed on the second adjusting unit, the first adjusting unit is configured to drive the beam combining assembly to move so as to adjust a position of the beam combining assembly, and the second adjusting unit is configured to drive the beam combining assembly to rotate so as to adjust an angle of the beam combining assembly.

In one embodiment, the beam combining assembly includes a plurality of reflection members corresponding to a plurality of laser beam positions emitted by at least one of the laser emission mechanisms, the reflection members are disposed on the adjusting module, a plurality of gaps corresponding to the plurality of laser beam positions emitted by the remaining at least one of the laser emission mechanisms and corresponding to the number of the reflection members are formed outside the reflection members and between two adjacent reflection members, and the reflection members are used for reflecting each of the laser beams emitted by at least one of the laser emission mechanisms; each laser beam emitted by the rest at least one laser emitting mechanism can pass through the gap and then is mutually spliced with the laser beam emitted by at least one of the laser emitting mechanisms after being reflected by the reflecting member.

In one embodiment, the beam combining assembly further comprises a base and a third adjusting unit, the base is arranged on the adjusting module, the reflecting piece is arranged on the base through the third adjusting unit, the third adjusting unit can drive the reflecting piece to rotate relative to the base so as to adjust the angle of the reflecting piece, the third adjusting unit is provided with a plurality of third adjusting units, and the third adjusting units are in one-to-one correspondence with the plurality of reflecting pieces respectively.

In one embodiment, a boss is arranged on the base, the third adjusting unit comprises a connecting component for connecting the reflecting component, an adjusting component and an elastic component, the connecting component is rotationally arranged on the base, the adjusting piece is screwed and arranged on the boss in a penetrating way and can be propped against the connecting component, the elastic element is connected between the boss and the connecting component, and the adjusting element is rotated, the adjusting piece can be driven to move along the axial direction of the adjusting piece so as to drive the connecting component to rotate relative to the base, so that the angle of the reflecting member is adjustable, the elastic member for providing an elastic pulling force to the connecting member, the bosses are provided with a plurality of third adjusting units, and the third adjusting units are respectively in one-to-one correspondence with the bosses.

In one embodiment, at least one of the plurality of laser emitting mechanisms comprises a regulating component and a laser emitting component arranged on the regulating component, and the laser emitting component is used for emitting a plurality of laser beams; the regulating and controlling assembly is used for driving the laser emitting assembly to move and/or rotate so as to regulate the position and/or the angle of the laser emitting assembly.

In one embodiment, the control assembly comprises a first control unit and a second control unit, the second control unit is connected with the first control unit, the laser emission assembly is arranged on the second control unit, the first control unit is used for driving the laser emission assembly to move so as to adjust the position of the laser emission assembly, and the second control unit is used for driving the laser emission assembly to rotate so as to adjust the angle of the laser emission assembly.

In one embodiment, the first control unit includes a first driving unit, a second driving unit and a third driving unit connected in sequence, the second regulation and control unit is arranged on one side of the first driving unit far away from the second driving unit, the first driving unit is used for driving the laser emission component to move along a first direction, to adjust the position of the laser emitting assembly in the first direction, the second driving unit is used for driving the laser emitting assembly to move along a second direction, to adjust the position of the laser emitting assembly in the second direction, the third driving unit is used for driving the laser emitting assembly to move along the third direction, so as to adjust the position of the laser emission component in the third direction, wherein the first direction, the second direction and the third direction are vertical to each other.

In one embodiment, the laser emitting assembly includes a laser stack array and a heat dissipation assembly, the laser stack array is disposed on the heat dissipation assembly, the heat dissipation assembly is disposed on the control assembly, the laser stack array is configured to emit a plurality of laser beams, and the heat dissipation assembly is configured to dissipate heat for the laser stack array.

In one embodiment, at least three laser emission mechanisms are provided, at least two beam combining mechanisms are provided, at least one of the beam combining mechanisms is used for mutually inserting and combining a plurality of laser beams emitted by at least two of the laser emission mechanisms, and the remaining at least one of the beam combining mechanisms is used for mutually inserting and combining a plurality of laser beams emitted by at least one of the remaining laser emission mechanisms and a plurality of laser beams emitted by at least two of the laser emission mechanisms after being inserted and combined by at least one of the beam combining mechanisms.

The laser comprises a plurality of laser emission mechanisms and a beam combining mechanism, wherein the beam combining mechanism comprises an adjusting module and a beam combining assembly arranged on the adjusting module, the beam combining assembly can arrange and combine a plurality of laser beams respectively emitted by different laser emission mechanisms in a mutually inserting way, so that a laser beam combining light source with good uniformity and high energy density can be obtained, the light energy loss of the laser beams is reduced, and the output power of the laser beams is improved, in the scheme, the adjusting module can drive the beam combining assembly to move and/or rotate so as to adjust the position and/or the angle of the beam combining assembly, so that the beam combining assembly can more conveniently adjust the position of the beam combining assembly relative to the laser emission mechanisms and the angle between the beam combining assembly and the light emitting direction of the laser emission mechanisms, and the beam combining assembly can realize inserting and combining of a plurality of laser beams respectively emitted by the laser emission mechanisms at different positions in different combination modes, the laser can form laser beam combining light sources with different energy densities, and the application condition and the range of the laser are effectively expanded.

Drawings

FIG. 1 is a schematic diagram of a laser in one embodiment;

FIG. 2 is a schematic diagram of a conditioning module of the laser shown in FIG. 1;

FIG. 3 is a schematic structural diagram of a beam combining assembly of the laser shown in FIG. 1;

FIG. 4 is a schematic view of the laser shown in FIG. 1 from another perspective;

FIG. 5 is a schematic structural diagram of a regulating assembly in the laser shown in FIG. 1;

fig. 6 is a schematic structural diagram of a laser emitting assembly in the laser shown in fig. 1.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

As shown in fig. 1, the laser 10 in one embodiment includes a plurality of laser emitting mechanisms 100 and a beam combining mechanism 200, the laser emitting mechanisms 100 being configured to emit a plurality of laser beams; the beam combining mechanism 200 is used for arranging and combining a plurality of laser beams emitted by the laser emitting mechanisms 100 in a mutually-inserted manner; the beam combining mechanism 200 includes an adjusting module 210 and a beam combining assembly 220 disposed on the adjusting module 210, the beam combining assembly 220 is used for arranging and combining a plurality of laser beams emitted by different laser emitting mechanisms 100 in a mutually-inserted manner, and the adjusting module 210 is used for driving the beam combining assembly 220 to move and/or rotate so as to adjust the position and/or angle of the beam combining assembly 220.

The laser 10 provided by the application comprises a plurality of laser emission mechanisms 100 and a beam combining mechanism 200, wherein the beam combining mechanism 200 comprises an adjusting module 210 and a beam combining assembly 220 arranged on the adjusting module 210, the beam combining assembly 220 can arrange and combine a plurality of laser beams respectively emitted by different laser emission mechanisms 100 in a mutually inserted manner, so that a laser beam combining light source with good uniformity and high energy density can be obtained, the light energy loss of the laser beams is reduced, and the output power of the laser beams is improved The same combination mode of inserting the null beam combination enables the laser 10 to form laser beam combination light sources with different energy density sizes, and effectively expands the application conditions and range of the laser 10.

In an embodiment, the adjusting module 210 includes a first adjusting unit 211 and a second adjusting unit 212 connected to each other, the beam combining assembly 220 is disposed on the second adjusting unit 212, the first adjusting unit 211 is configured to drive the beam combining assembly 220 to move so as to adjust the position of the beam combining assembly 220, and the second adjusting unit 212 is configured to drive the beam combining assembly 220 to rotate so as to adjust the angle of the beam combining assembly 220.

Specifically, in this embodiment, the first adjusting unit 211 is configured to drive the beam combining assembly 220 to move along the first direction to adjust the position of the beam combining assembly 220 in the first direction, which is defined as the Z direction for understanding, and the first adjusting unit 211 is configured to drive the beam combining assembly 220 to move along the Z direction to adjust the position of the beam combining assembly 220 in the Z direction.

In an embodiment, the first adjusting unit 211 has a first adjusting knob 213, and when the first adjusting knob 213 is rotated, the beam combining assembly 220 can be driven by the first adjusting unit 211 to move along the first direction, so as to adjust the position of the beam combining assembly 220 in the first direction. In an embodiment, the second adjusting unit 212 has a second adjusting knob 214, and when the second adjusting knob 214 is rotated, the second adjusting unit 212 drives the beam combining assembly 220 to rotate, so as to adjust the angle of the beam combining assembly 220.

In one embodiment, the beam combining assembly 220 includes a plurality of reflection members 221 corresponding to positions of a plurality of laser beams emitted by at least one of the laser emitting mechanisms 100, the reflection members 221 are disposed on the adjusting module 210, a plurality of gaps 222 corresponding to the positions of the plurality of laser beams emitted by the remaining at least one of the laser emitting mechanisms 100 and corresponding to the number of the reflection members 221 are disposed outside the reflection members 221 and between two adjacent reflection members 221, and the reflection members 221 are configured to reflect each laser beam emitted by at least one of the laser emitting mechanisms 100; each laser beam emitted by the remaining at least one laser emitting mechanism 100 can pass through the gap 222 and then be mutually and spatially arranged and combined with the laser beam emitted by at least one of the laser emitting mechanisms 100 reflected by the reflecting member 221.

In an embodiment, the beam combining assembly 220 further includes a base 223 and a third adjusting unit 224, the base 223 is disposed on the adjusting module 210, the reflective member 221 is disposed on the base 223 through the third adjusting unit 224, the third adjusting unit 224 can drive the reflective member 221 to rotate relative to the base 223 to adjust an angle of the reflective member 221, the third adjusting unit 224 is provided with a plurality of third adjusting units 224, and the plurality of third adjusting units 224 are respectively in one-to-one correspondence with the plurality of reflective members 221. The angles of the reflectors 221 are adjusted by the third adjusting units 224, so that the adjusting stroke range of the angles of the reflectors 221 can be enlarged, the application condition and range of the laser 10 are further effectively enlarged, and meanwhile, because each third adjusting unit 224 can respectively and independently adjust the angle of a corresponding reflector 221, the user can independently adjust the angle of each reflector 221 according to actual needs, so that the laser 10 can form laser beam combining light sources with different energy density sizes, and the application condition and range of the laser 10 are further ensured.

In one embodiment, a boss 2231 is disposed on the base 223, the third adjusting unit 224 includes a connecting component 2241 for connecting the reflector 221, an adjusting component 2242 and an elastic component 2243, the connecting component 2241 is rotatably disposed on the base 223, the adjusting component 2242 is screwed into and penetrates through the boss 2231 and can abut against the connecting component 2241, the elastic component 2243 is connected between the boss 2231 and the connecting component 2241, the adjusting component 2242 is rotated, the adjusting member 2242 can be driven to move along its own axial direction, so as to drive the connecting member 2241 to rotate relative to the base 223, so that the angle of the reflecting member 221 is adjustable, the resilient member 2243 serves to provide a resilient tensile force to the connecting member 2241, the reflection piece 221 is positioned relative to the base 223 before and after adjustment, continuous rotation of the reflection piece 221 relative to the base 223 after the preset angle is adjusted is avoided, the plurality of bosses 2231 are arranged, and the plurality of bosses 2231 correspond to the plurality of third adjustment units 224 one to one.

In an embodiment, the connecting assembly 2241 includes a first connecting piece 2244 and a second connecting piece 2245, the first connecting piece 2244 rotates and is disposed on the base 223, the reflection piece 221 is connected with the first connecting piece 2244, the second connecting piece 2245 is connected with the first connecting piece 2244, the adjusting piece 2242 is used for supporting the second connecting piece 2245, and the elastic piece 2243 is connected between the boss 2231 and the second connecting piece 2245. Specifically, the first connector 2244 may be, but not limited to, a column structure, the reflector 221 can rotate around the first connector 2244 along the axial direction of the first connector 2244 relative to the base 223, and the second connector 2245 is perpendicularly connected to the first connector 2244.

In an embodiment, the beam combining mechanism 200 is provided with a plurality of beam combining mechanisms 200, and the plurality of beam combining mechanisms 200 are used for mutually and crossly arranging and combining the plurality of laser beams emitted by the respective laser emitting mechanisms 100. Specifically, in the present embodiment, each beam combining mechanism 200 has the same structure, that is, each beam combining mechanism 200 includes an adjusting module 210 and a beam combining assembly 220 disposed on the adjusting module 210.

It should be noted that the number of beam combining mechanisms 200 may correspond to the number of laser emitting mechanisms 100, and the number of beam combining mechanisms 200 may be more or less than the number of laser emitting mechanisms 100.

Further, an angle formed between the beam combining mechanism 200 and the light emitting direction of the laser emitting mechanism 100 is 0 ° to 90 °, and preferably, an angle formed between the beam combining mechanism 200 and the light emitting direction of the laser emitting mechanism 100 is 45 °.

In an embodiment, at least three laser emitting mechanisms 100 are provided, at least two beam combining mechanisms 200 are provided, at least one beam combining mechanism 200 is used for mutually inserting and combining a plurality of laser beams emitted by at least two of the laser emitting mechanisms 100, and the remaining at least one beam combining mechanism 200 is used for mutually inserting and combining a plurality of laser beams emitted by at least one of the remaining laser emitting mechanisms 100 and a plurality of laser beams emitted by at least two of the laser emitting mechanisms 100 after being inserted and combined by at least one of the beam combining mechanisms 200.

Specifically, in this embodiment, four laser emission mechanisms 100 are provided, three beam combining mechanisms 200 are provided, the four laser emission mechanisms 100 are divided into two groups in pairs, light emitting directions of two laser emission mechanisms 100 included in each group of laser emission mechanisms 100 are perpendicular to each other, and the first beam combining mechanism 200 is configured to arrange and combine a plurality of laser beams emitted by two laser emission mechanisms 100 included in the first group of laser emission mechanisms 100 in a mutually-inserted manner; the second beam combining mechanism 200 is used for arranging and combining a plurality of laser beams emitted by the two laser emitting mechanisms 100 included in the second group of laser emitting mechanisms 100 in a mutually-inserted manner.

The third beam combining mechanism 200 is configured to perform mutually-interleaved arrangement and combining on the multiple laser beams respectively emitted by the two laser emitting mechanisms 100 included in the first group of laser emitting mechanisms 100 subjected to the interleaving and combining by the first beam combining mechanism 200 and the multiple laser beams respectively emitted by the two laser emitting mechanisms 100 included in the second group of laser emitting mechanisms 100 subjected to the interleaving and combining by the second beam combining mechanism 200, so as to finally obtain a laser beam combining light source.

Specifically, the included angle formed by the first beam combining mechanism 200 and the light emitting direction of each laser emitting mechanism 100 in the first group of laser emitting mechanisms 100 is 45 °, and the included angle formed by the second beam combining mechanism 200 and the light emitting direction of each laser emitting mechanism 100 in the second group of laser emitting mechanisms 100 is 45 °.

In an embodiment, at least one of the plurality of laser emitting mechanisms 100 includes a regulating component 110 and a laser emitting component 120 disposed on the regulating component 110, the laser emitting component 120 is configured to emit a plurality of laser beams; the regulating and controlling component 110 is used for driving the laser emitting component 120 to move and/or rotate so as to regulate the position and/or angle of the laser emitting component 120, so that the beam combining component 220 can more conveniently regulate the relative position and angle between the beam combining component and the laser emitting mechanism 100 where the regulating and controlling component 110 is located, and therefore the beam combining component 220 can insert and combine a plurality of laser beams respectively emitted by the laser emitting mechanisms 100 at different positions in different combination modes, and the laser 10 can more conveniently form laser combined light sources with different energy density sizes, and the use convenience of the laser 10 is effectively enhanced.

Specifically, in the present embodiment, each laser emitting mechanism 100 has the same structure, that is, each laser emitting mechanism 100 includes a regulating component 110 and a laser emitting component 120 disposed on the regulating component 110.

In an embodiment, the control component 110 includes a first control unit 111 and a second control unit 112, the second control unit 112 is connected to the first control unit 111, the laser emitting component 120 is disposed on the second control unit 112, the first control unit 111 is configured to drive the laser emitting component 120 to move so as to adjust the position of the laser emitting component 120, and the second control unit 112 is configured to drive the laser emitting component 120 to rotate so as to adjust the angle of the laser emitting component 120.

In an embodiment, the first adjusting and controlling unit 111 includes a first driving unit 113, a second driving unit 114, and a third driving unit 115, which are sequentially connected, the second adjusting and controlling unit 112 is disposed on a side of the first driving unit 113 away from the second driving unit 114, the first driving unit 113 is configured to drive the laser emitting assembly 120 to move along the first direction to adjust a position of the laser emitting assembly 120 in the first direction, the second driving unit 114 is configured to drive the laser emitting assembly 120 to move along the second direction to adjust a position of the laser emitting assembly 120 in the second direction, and the third driving unit 115 is configured to drive the laser emitting assembly 120 to move along the third direction to adjust a position of the laser emitting assembly 120 in the third direction, where the first direction, the second direction, and the third direction are perpendicular to each other.

For convenience of understanding, the second direction is defined as an X direction, the third direction is defined as a Y direction, the first driving unit 113 is configured to drive the laser emission assembly 120 to move in the Z direction to adjust the position of the laser emission assembly 120 in the Z direction, the second driving unit 114 is configured to drive the laser emission assembly 120 to move in the X direction to adjust the position of the laser emission assembly 120 in the X direction, and the third driving unit 115 is configured to drive the laser emission assembly 120 to move in the Y direction to adjust the position of the laser emission assembly 120 in the Y direction.

In an embodiment, the first driving unit 113 has a first adjusting knob 116, and when the first adjusting knob 116 is rotated, the first driving unit 113 can drive the laser emitting assembly 120 to move along the first direction, so as to adjust the position of the laser emitting assembly 120 in the first direction. In an embodiment, the second driving unit 114 has a second adjusting knob 117, and when the second adjusting knob 117 is rotated, the second driving unit 114 can drive the laser emitting assembly 120 to move along the second direction, so as to adjust the position of the laser emitting assembly 120 in the second direction. In an embodiment, the third driving unit 115 has a third adjusting knob 118, and when the third adjusting knob 118 is rotated, the laser emitting assembly 120 can be driven by the third driving unit 115 to move along a third direction, so as to adjust the position of the laser emitting assembly 120 in the third direction. In an embodiment, the second control unit 112 has a fourth control knob, and when the fourth control knob is rotated, the second control unit 112 can drive the laser emitting assembly 120 to rotate, so as to adjust the angle of the laser emitting assembly 120.

In an embodiment, the laser emitting assembly 120 includes a laser stack array 121 and a heat dissipation assembly 122, the laser stack array 121 is disposed on the heat dissipation assembly 122, the heat dissipation assembly 122 is disposed on the regulating assembly 110, the laser stack array 121 is configured to emit a plurality of laser beams, and the heat dissipation assembly 122 is configured to dissipate heat of the laser stack array 121, so as to prevent the laser stack array 121 from being damaged due to over-high temperature during the operation process.

In an embodiment, the heat dissipation assembly 122 includes a cooling seat 123, a liquid inlet joint 124 and a liquid outlet joint 125, the cooling seat 123 is disposed on the regulation and control assembly 110, the liquid inlet joint 124 and the liquid outlet joint 125 are embedded in the cooling seat 123, the laser stack array 121 is disposed on the cooling seat 123, and the cooling liquid can enter the cooling seat 123 through the liquid inlet joint 124 and then flow out of the cooling seat 123 through the liquid outlet joint 125, so as to dissipate heat of the laser stack array 121. In one embodiment, the cooling fluid may be, but is not limited to, cooling water.

All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above examples only express the preferred embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as the limitation of the invention patent scope. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A laser, comprising:

the beam combining mechanism comprises an adjusting module and a beam combining assembly arranged on the adjusting module, the beam combining assembly is used for arranging and combining a plurality of laser beams emitted by different laser emitting mechanisms in a mutually-inserted manner, and the adjusting module is used for driving the beam combining assembly to move and/or rotate so as to adjust the position and/or angle of the beam combining assembly;

the adjusting module comprises a first adjusting unit and a second adjusting unit which are connected, the beam combining assembly is arranged on the second adjusting unit, the first adjusting unit is used for driving the beam combining assembly to move so as to adjust the position of the beam combining assembly, and the second adjusting unit is used for driving the beam combining assembly to rotate so as to adjust the angle of the beam combining assembly;

the beam combining assembly comprises a plurality of reflecting pieces corresponding to the positions of a plurality of laser beams emitted by at least one laser emitting mechanism respectively, the reflecting pieces are arranged on the adjusting module, a plurality of gaps which correspond to the positions of the plurality of laser beams emitted by the rest at least one laser emitting mechanism respectively and are consistent with the number of the reflecting pieces are arranged outside the reflecting pieces and between two adjacent reflecting pieces, and the reflecting pieces are used for reflecting each laser beam emitted by at least one laser emitting mechanism; each laser beam emitted by the rest at least one laser emitting mechanism can pass through the gap and then is mutually spliced with the laser beam emitted by at least one of the laser emitting mechanisms reflected by the reflecting piece;

the beam combining assembly further comprises a base and a third adjusting unit, the base is arranged on the adjusting module, the reflecting pieces are arranged on the base through the third adjusting unit, the third adjusting unit can drive the reflecting pieces to rotate relative to the base so as to adjust the angles of the reflecting pieces, the number of the third adjusting units is multiple, and the third adjusting units are in one-to-one correspondence with the reflecting pieces respectively;

be provided with the boss on the base, third regulating unit is including being used for connecting coupling assembling, regulating part and the elastic component of reflection piece, coupling assembling rotate set up in on the base, the regulating part spiral shell closes and wears to locate the boss just can with coupling assembling offsets and holds, the elastic component is connected the boss with between the coupling assembling, it is rotatory the regulating part can drive the axial displacement of regulating part along self, in order to drive coupling assembling is relative the base rotates, thereby so that the angle of reflection piece is adjustable, the elastic component be used for to coupling assembling provides elasticity and draws the power of holding, in order to realize to the regulation the reflection piece is relative the location of base, the boss is provided with a plurality ofly, and is a plurality of the boss respectively with a plurality ofly third regulating unit one-to-one.

2. The laser of claim 1, wherein at least one of the plurality of laser emitting mechanisms comprises a regulating component and a laser emitting component disposed on the regulating component, the laser emitting component being configured to emit a plurality of laser beams; the regulating and controlling assembly is used for driving the laser emitting assembly to move and/or rotate so as to regulate the position and/or the angle of the laser emitting assembly.

3. The laser device as claimed in claim 2, wherein the regulating and controlling assembly comprises a first regulating and controlling unit and a second regulating and controlling unit, the second regulating and controlling unit is connected with the first regulating and controlling unit, the laser emitting assembly is disposed on the second regulating and controlling unit, the first regulating and controlling unit is configured to drive the laser emitting assembly to move so as to regulate the position of the laser emitting assembly, and the second regulating and controlling unit is configured to drive the laser emitting assembly to rotate so as to regulate the angle of the laser emitting assembly.

4. The laser of claim 3, wherein the first control unit comprises a first driving unit, a second driving unit and a third driving unit connected in sequence, the second regulation and control unit is arranged on one side of the first driving unit far away from the second driving unit, the first driving unit is used for driving the laser emission component to move along a first direction, to adjust the position of the laser emission assembly in the first direction, the second driving unit is used for driving the laser emission assembly to move along a second direction, to adjust the position of the laser emission assembly in the second direction, the third driving unit is used for driving the laser emission assembly to move along a third direction, so as to adjust the position of the laser emission component in the third direction, wherein the first direction, the second direction and the third direction are vertical to each other.

5. The laser device according to claim 2, wherein the laser emitting assembly comprises a laser stack and a heat dissipation assembly, the laser stack is disposed on the heat dissipation assembly, the heat dissipation assembly is disposed on the regulating assembly, the laser stack is configured to emit the plurality of laser beams, and the heat dissipation assembly is configured to dissipate heat of the laser stack.

6. The laser device according to claim 1, wherein at least three of the laser emitting mechanisms are provided, at least two of the beam combining mechanisms are provided, at least one of the beam combining mechanisms is configured to combine the plurality of laser beams emitted by at least two of the laser emitting mechanisms in an mutually-interleaved arrangement, and at least one of the remaining beam combining mechanisms is configured to combine the plurality of laser beams emitted by at least one of the remaining laser emitting mechanisms in an mutually-interleaved arrangement with the plurality of laser beams emitted by at least two of the laser emitting mechanisms in an interleaved arrangement.