CN216818934U

CN216818934U - Laser device

Info

Publication number: CN216818934U
Application number: CN202123232964.3U
Authority: CN
Inventors: 黎永坚; 后明郎; 蒋峰
Original assignee: Suzhou Maxphotonics Co Ltd
Current assignee: Suzhou Maxphotonics Co Ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-06-24
Anticipated expiration: 2031-12-21

Abstract

The utility model relates to the technical field of laser, and provides a laser, which comprises: the pump comprises a case, at least one heat dissipation assembly, at least one first pump source, at least one second pump source, a first heat dissipation plate and a second heat dissipation plate, wherein the heat dissipation assembly, the first pump source and the second pump source are accommodated in the case; the first pump source is arranged on one side, deviating from the heat dissipation assembly, of the first heat dissipation plate, the second pump source is arranged on one side, deviating from the heat dissipation assembly, of the second heat dissipation plate, the heat dissipation effect of the laser is improved, meanwhile, the size of the laser is reduced, and the application scene of the laser is enlarged.

Description

Laser device

Technical Field

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

Background

During the working process of the laser, a large amount of heat can be emitted, and if the heat is not neutralized or removed in time, the normal use of the laser can be seriously influenced, and even the laser can be directly burnt.

At present, the heat dissipation method of the optical fiber laser mainly comprises air cooling heat dissipation and liquid cooling heat dissipation. Aiming at a low-power optical fiber laser, the heat dissipation requirement can be met by adopting air cooling heat dissipation, and the air cooling heat dissipation is mainly realized by adopting a fan for cooling, so that the dustproof effect is poor. For a medium-high power fiber laser, liquid cooling heat dissipation is generally used. However, in the liquid cooling and heat dissipation, a water cooling machine needs to be arranged, and the water cooling machine is large in size and weight, so that the water cooling machine can only be arranged outside the laser. With the further increase of the laser power, the volume and the weight of the water chiller must be increased to meet the heat dissipation requirement. This is unfavorable for the integrated design of laser instrument, and simultaneously, liquid cooling heat dissipation also has liquid leakage scheduling problem in the application. In addition, with the deep use of fiber lasers in industrial manufacturing, higher requirements are also put on the application scenes of the fiber lasers. If a huge water cooling machine is arranged outside, the laser is not only complicated in structure, but also is not beneficial to being moved randomly, so that the application of the laser in different places is limited.

SUMMERY OF THE UTILITY MODEL

Based on this, the present invention aims to provide a laser, so as to solve the technical problems of poor heat dissipation effect of the pump source, large laser volume, etc. in the existing laser.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the present invention provides a laser, comprising:

the pump comprises a case, at least one heat dissipation assembly, at least one first pump source, at least one second pump source, and a first heat dissipation plate and a second heat dissipation plate which are respectively arranged at two opposite sides of the heat dissipation assembly, wherein the heat dissipation assembly, the first pump source and the second pump source are accommodated in the case;

the first pumping source is arranged on one side, away from the heat dissipation assembly, of the first heat dissipation plate, and the second pumping source is arranged on one side, away from the heat dissipation assembly, of the second heat dissipation plate.

The utility model has the beneficial effects that:

(1) the utility model provides a laser, comprising: the pump comprises a case, at least one heat dissipation assembly, at least one first pump source, at least one second pump source, a first heat dissipation plate and a second heat dissipation plate, wherein the heat dissipation assembly, the first pump source and the second pump source are accommodated in the case; the first pumping source is arranged on one side, away from the heat dissipation assembly, of the first heat dissipation plate, and the second pumping source is arranged on one side, away from the heat dissipation assembly, of the second heat dissipation plate; the first pump source and the second pump source are respectively arranged on the two opposite sides of the heat dissipation assembly, so that the size of the laser is reduced.

(2) The heat dissipation assembly provided by the utility model comprises: the radiator is provided with a plurality of radiating fins which are arranged at intervals, and an air duct is formed between every two adjacent radiating fins; a plurality of heat pipes distributed in a staggered manner on the heat sink, the heat pipes comprising: the device comprises a first pipe body and a second pipe body communicated with the first pipe body; the first pipe body is arranged around the periphery of the radiator, and the second pipe body is arranged in the radiator and connects the radiating fins in series; the two opposite side walls of the radiator are respectively provided with assembling grooves the number of which is matched with that of the first pipe bodies, and assembling channels which penetrate through the plurality of radiating fins and the number of which is matched with that of the second pipe bodies are arranged inside the radiator; the second tube body is arranged in the assembly channel in a penetrating mode, the first tube body extends out of the second tube body and is contained in the assembly groove, the first tube body protrudes out of the assembly groove and is used for cooling the first pump source and the second pump source, a traditional liquid cooling heat dissipation device (such as a water cooling machine) is omitted, the size of the laser can be further reduced, and the application scene of the laser is expanded.

(3) The rotatable top cover is arranged above the case of the laser, the partition plate is arranged in the top cover and arranged above the first pumping source, the optical fiber coiling groove is formed in one side, close to the first pumping source, of the partition plate, the optical fiber is wound in the optical fiber coiling groove, the optical fiber is suspended above the first pumping source, the space required by winding the optical fiber is reduced, and the size of the laser is further reduced.

Drawings

One or more embodiments are illustrated in corresponding drawings which are not to be construed as limiting the embodiments, wherein elements/blocks having the same reference number designation may be designated by similar elements/blocks, unless expressly stated otherwise, and the drawings are not to be construed as limiting in scale.

FIG. 1 is a schematic view of the internal structure of a laser opening cover according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of an internal structure of a top cover of a laser device according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of the internal structure of the upper cover of the laser provided in the embodiment of the utility model based on FIG. 2;

fig. 4 is a schematic perspective view of a laser according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of another view angle of the laser provided in the embodiment of the utility model based on fig. 4;

fig. 6 is a schematic perspective view of a heat dissipation assembly according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of the heat dissipation assembly facing the view of the air duct according to fig. 6.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "disposed on," "secured to," or "mounted to" another element, it can be directly on the other element or intervening elements may also be present. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. The terms "top," "bottom," "side," "inner," "outer," and the like are used for convenience in describing the utility model and in order to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed or operated in a particular orientation, and are not to be construed as limiting the utility model. In addition, in this specification, the words "first", "second", "third", and "fourth" do not limit data and execution order, but distinguish substantially the same item or similar items in function and action, and do not limit embodiments of the present invention.

Specifically, the present embodiment is further explained below with reference to the drawings.

In the operation process of the laser 100, the device that mainly generates heat is the pump source, and therefore, the pump source needs to be cooled down and dissipated. At present, air cooling heat dissipation and liquid cooling heat dissipation are commonly adopted, wherein the principle of the air cooling heat dissipation is that heat generated by a heating source is transferred to a heat dissipation sheet, and the heat is blown away by a fan, so that the heat dissipation is realized. However, for a laser of near kilowatt level, the heat dissipation requirement of the laser cannot be met only by adopting air cooling heat dissipation, and if the heat dissipation is carried out by adopting liquid cooling, a liquid cooling machine needs to be assembled, so that the laser has a large volume and poor capability of adapting to environmental conditions, and the heat dissipation requirement of the laser is difficult to meet.

Accordingly, the present embodiment provides a laser 100, please refer to fig. 1 and fig. 2, including: a chassis (not labeled), at least one heat dissipation assembly 1 accommodated in the chassis, at least one first pump source 21, at least one second pump source 22, and a first heat dissipation plate 23 and a second heat dissipation plate 24 respectively disposed at two opposite sides of the heat dissipation assembly 1; the first pump source 21 is installed on one side of the first heat dissipation plate, which is away from the heat dissipation assembly, and the second pump source 22 is installed on one side of the second heat dissipation plate 24, which is away from the heat dissipation assembly 1.

Further, the laser emitted by the first pump source 21 and the second pump source 22 needs to be transmitted through an optical fiber, and in order to make the laser emitted by the first pump source 21 and the second pump source 22 have good beam quality, the radius of the optical fiber cannot be too small when the optical fiber is fixed by coiling. In this embodiment, with continuing reference to fig. 1, a rotatable top cover 25 is mounted on a side of the laser housing away from the housing bottom plate, namely, a rotatable top cover 25 is arranged above the case, a clapboard 20 is arranged in the top cover 25, the partition is disposed above the first pump source 21, and a fiber coiling groove 30 is disposed on a side of the partition 20 close to the first pump source 21, in this embodiment, the laser further includes a fiber (not shown), the optical fiber is wound in the optical fiber winding groove 30, so that when the top cover 25 is fastened above the cabinet, the optical fiber (not shown) is suspended above the first pump source 21, under the condition that the laser 100 has a good heat dissipation effect, the space required for winding the optical fiber is saved, and the volume of the case of the laser 20 is further reduced.

Referring to fig. 3, the laser 100 provided in this embodiment further includes: locate quick-witted incasement power strip and with the control panel 44 that the power strip electricity is connected, the power strip includes: a first power board 42 and a second power board 43, which are specifically installed on a side of the partition board 20 away from the first pump source 21. Referring to fig. 4 and 5, the top cover includes a top plate 39 and side plates surrounding the top plate 39 and the partition plate 20, wherein the two opposite side plates are respectively provided with a first air inlet 31 and a first air outlet 32, and specifically, the first air inlet 31 and the first air outlet 32 are both located between the top plate 39 and the partition plate 20. A first fan set 26 and a second fan set 29 are further installed in the top cover 25, and the first fan set 26 and the second fan set 29 are both installed on one side of the partition board 20 away from the first pump source 21 and respectively face the first air inlet 31 and the first air outlet 32 to drive air to flow so as to dissipate heat of the power panel and the control panel 44.

The control board 44 is used to control the first fan unit 26, the second fan unit 29, the first pump source 21, and the second pump source 22 to operate. Further, in some embodiments the separator plate 20 is made of a highly thermally conductive material, such as aluminum alloy, copper, or the like. The arrangement of the first fan set 26 and the second fan set 29 also facilitates the quick heat dissipation of the partition plate 20, and the heat dissipation efficiency of the laser is improved.

In this embodiment, referring to fig. 6 and 7, the heat dissipation assembly 1 includes: a heat sink 11, wherein the heat sink 11 has a plurality of fins (not shown), the plurality of fins are arranged at intervals, and an air duct is formed between adjacent fins (in fig. 1, an arrow indicates a flow direction of cool air passing through the air duct); the heat dissipating assembly 1 further includes: a plurality of heat pipes 12 distributed in a staggered manner on the heat sink, the heat pipes comprising: a first tube 12a and a second tube 12b communicating with the first tube 12a, wherein the first tube 12a is disposed around the periphery of the heat sink 11, and the second tube 12b is disposed in the heat sink 11 and connects a plurality of fins in series; two opposite side walls of the heat sink 11 are respectively provided with assembly grooves (not marked) the number of which is matched with that of the first pipe bodies 12a, and assembly channels (not marked) which penetrate through the plurality of radiating fins and the number of which is matched with that of the second pipe bodies 12b are arranged inside the heat sink 11; further, the second tube 12b is disposed in the assembly channel, and the first tube 12a extends out of the second tube 12b and is accommodated in the assembly groove (not labeled) to cool the first pump source 21 and the second pump source 22, so that a conventional liquid cooling heat dissipation device (such as a water cooling machine) is eliminated, the size of the laser is further reduced, and the application scenario of the laser is expanded. In the present embodiment, the heat pipe 12 and the heat sink 11 are made of copper material with high thermal conductivity.

In some embodiments, the first heat sink 23 and the second heat sink 24 are respectively installed on one side of the heat sink having an assembling groove, and a groove (not shown) is formed on one side of the first heat sink 23 and the second heat sink 24 close to the heat sink 1, the groove being adapted to a shape of the first tube 12a protruding from one side of the heat sink 11, so that when the first heat sink 23 and the second heat sink 24 are stably fixed on the heat sink 1, a contact area between the heat pipe 12 and the first heat sink 23 and the second heat sink 24 is increased, and a heat dissipation effect of the heat sink is improved. In this embodiment, the first heat dissipation plate 23 and the second heat dissipation plate 24 are made of high thermal conductive material, such as aluminum alloy, red copper, and the like.

Further, in some embodiments, the number of the heat dissipation assembly 1 including the heat pipes may be adjusted according to the power of the laser that needs to dissipate heat, and as the power required by the laser increases, the number of the first pump source and/or the second pump source in the laser increases, so that the heat generated by the laser increases, and in order to satisfy the heat dissipation of the laser, the heat dissipation efficiency of the heat dissipation assembly 1 needs to be improved. Therefore, the number of the heat pipes included in the heat dissipation assembly 1 is 2-40. Referring to fig. 6 and fig. 7, in the present embodiment, the number of the heat pipes 12 is 36, which can meet the heat dissipation requirement of the laser provided by the present embodiment when the output power is 1000W to 3000W.

Further, the heat pipe 12 provided in the present embodiment further includes: and a connecting portion 12c, through which the first pipe 12a and the second pipe 12b are communicated and extend in the same direction, the connecting portion being provided at a side of the heat sink 11 parallel to the air duct (not shown). Specifically, the connecting portion 12c is wrapped around the opposite side walls of the radiator 11 in parallel with the air duct.

In some embodiments, the planes of the first tube 12a, the second tube 12b and the connecting portion 12c of the heat pipe are not parallel to the side of the heat sink 11 where the assembling groove is formed. In order to save the space of the heat sink 11 and improve the heat dissipation effect of the laser, in this embodiment, it is preferable that the planes of the first tube 12a, the second tube 12b and the connecting portion 12c of the heat pipe are perpendicular to the side of the heat dissipation assembly 11 where the assembling groove is formed.

It should be noted that, as the output power of the laser is further increased, in some embodiments, a wick (not shown) and an end cap (not shown) may be further included in the heat pipe 12. The heat pipe 12 is first pumped to a preset negative pressure and then filled with a proper amount of refrigerant, so that the liquid absorption core attached to the inner wall of the heat pipe is filled with the refrigerant and then sealed by the end cover. The process of the heat pipe 12 for transferring heat mainly includes the following processes: heat is transferred from the laser (e.g., pump source) through a wick in the heat pipe 12 to a liquid-vapor interface where the refrigerant evaporates to form a vapor, the vapor flows from the first body 12a to the second body 12b, the vapor condenses at the vapor-liquid interface within the first body 12a, heat is transferred from the vapor-liquid interface through the heat pipe 12 to the heat sink, and the condensed working fluid flows back to the second body 12b by capillary action within the wick. Through the above process, the heat of the first pump source 21 and the second pump source 22 can be transferred to the heat sink 11, so that the first pump source 21 and the second pump source 22 can be effectively dissipated.

Referring to fig. 4 and 5, the chassis (not labeled) includes: the bottom plate (not marked), surround four main curb plates of bottom plate, first heating panel and second heating panel, it is first main curb plate 35, second main curb plate 37, third main curb plate 36, fourth main curb plate 38 respectively, be equipped with power source (not marked) on the second main curb plate 37, fourth main curb plate 38 is equipped with communication interface (not marked), communication interface can be serial ports interface, USB interface, bluetooth WIFI interface etc. and external power source passes through power source provides the power supply for the laser instrument. The first main side plate 35 is provided with a second air inlet 33, the third main side plate 36 is provided with a second air outlet 34, and with reference to fig. 4 and 5, the laser 100 further includes: the third fan set 27 and the fourth fan set 28 are arranged in the chassis, the third fan set 27 faces the second air inlet 33, the fourth fan set 41 faces the second air outlet 34, the second air inlet 33 and the second air outlet 34 are communicated with the ventilation channel, and the third fan set 27 and the fourth fan set 28 are used for directionally driving air to flow in the heat dissipation assembly 1 so as to quickly take away heat on the heat sink 11 and the heat pipe 12 and improve the heat dissipation efficiency of the laser. And a transmission optical cable 40 connected with the optical fiber is arranged on the top plate 39 and used for transmitting laser.

In summary, it should be noted that the arrangement of the first heat dissipation plate 23, the second heat dissipation plate 24 and the partition plate 20 effectively prevents the dust carried by the first fan set 26 and the second fan set 29 from contacting the first pump source 21 and the optical fiber when the driving air flows, and further ensures the normal operation of the laser; in the same way, when the third fan set 27 and the fourth fan set 28 circulate in the heat dissipation assembly 1, dust carried by the third fan set 27 and the fourth fan set 28 is also effectively prevented from contacting the first pump source 21, the second pump source 22 and the optical fiber, and the normal operation of the laser is further ensured.

Compared with the prior art, (1) the laser provided by the utility model comprises: the heat dissipation device comprises a case, at least one heat dissipation assembly 1 accommodated in the case, at least one first pump source 21, at least one second pump source 22, and a first heat dissipation plate 23 and a second heat dissipation plate 24 which are respectively arranged at two opposite sides of the heat dissipation assembly; the first pump source 21 is installed on one side of the first heat dissipation plate 23, which is far away from the heat dissipation assembly 1, and the second pump source 22 is installed on one side of the second heat dissipation plate 24, which is far away from the heat dissipation assembly 1; the first pump source 21 and the second pump source 22 are respectively arranged on two opposite sides of the heat dissipation assembly 1, so that the size of the laser is reduced.

(2) The heat dissipating module 1 provided by the present invention includes: a heat sink 11 having a plurality of fins, the plurality of fins being spaced apart from each other, and an air duct (not shown) being formed between adjacent fins; a plurality of heat pipes 12 distributed in a staggered manner on the heat sink, the heat pipes 12 comprising: a first pipe 12a, and a second pipe 12b communicating with the first pipe 12 a; the first tube 12a is disposed around the periphery of the heat sink 11, and the second tube 12b is disposed inside the heat sink and connects a plurality of heat dissipation fins in series; two opposite side walls of the radiator are respectively provided with assembling grooves the number of which is matched with that of the first pipe bodies 12a, and the inside of the radiator 11 is provided with assembling channels which penetrate through the plurality of radiating fins and the number of which is matched with that of the second pipe bodies 12 b; the second tube 12b is disposed in the assembly channel, the first tube 12a extends out from the second tube 12b and is accommodated in the assembly groove, and the first tube 12a protrudes out of the assembly groove to cool the first pump source 21 and the second pump source 22, so that a conventional liquid cooling heat dissipation device (such as a water cooling machine) is eliminated, the size of the laser can be further reduced, and the application range of the laser is expanded.

(3) The rotatable top cover 25 is installed above the case of the laser provided by the utility model, the partition plate 20 is arranged in the top cover 25, the partition plate 20 is arranged above the first pumping source 21, the optical fiber coiling groove 30 is formed in one side, close to the first pumping source 21, of the partition plate 20, the optical fiber (not marked) is fixed in the optical fiber coiling groove 30, the optical fiber is suspended above the first pumping source 21, the space required by winding the optical fiber is reduced, and the size of the laser is further reduced.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; within the idea of the utility model, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A laser, comprising:

the pump comprises a case, at least one heat dissipation assembly, at least one first pump source, at least one second pump source, a first heat dissipation plate and a second heat dissipation plate, wherein the heat dissipation assembly, the first pump source and the second pump source are accommodated in the case;

2. The laser of claim 1, wherein a rotatable top cover is mounted above the housing, the top cover is provided with a partition plate, the partition plate is disposed above the first pump source, and a fiber coiling groove is formed in a side of the partition plate adjacent to the first pump source;

the laser also comprises an optical fiber which is wound in the optical fiber coiling groove.

3. The laser of claim 2, further comprising: the power panel and the control panel are arranged on one side, away from the first pumping source, of the partition plate; the top cover includes: the periphery of the top plate and the periphery of the partition plate surround the side plates, wherein a first air inlet and a first air outlet are formed in two opposite side plates respectively, the first air inlet and the first air outlet are located between the top plate and the partition plate, the first fan unit and the second fan unit are installed on one side, deviating from the first pumping source, of the partition plate, and are opposite to the first air inlet and the first air outlet respectively.

4. The laser of claim 1, wherein the heat sink assembly comprises:

the radiator is provided with a plurality of radiating fins which are arranged at intervals, and an air duct is formed between every two adjacent radiating fins;

a plurality of heat pipes distributed in a staggered manner on the heat sink, the heat pipes comprising: the device comprises a first pipe body and a second pipe body communicated with the first pipe body; the first pipe body is arranged around the periphery of the radiator, and the second pipe body is arranged in the radiator and connects the radiating fins in series;

the two opposite side walls of the radiator are respectively provided with assembling grooves the number of which is matched with that of the first pipe bodies, and assembling channels which penetrate through the plurality of radiating fins and the number of which is matched with that of the second pipe bodies are arranged inside the radiator;

the second tube body is arranged in the assembly channel in a penetrating mode, the first tube body extends out of the second tube body and is contained in the assembly groove, and the first tube body protrudes out of the assembly groove and is used for cooling the first pump source and the second pump source.

5. The laser of claim 4, wherein the heat sink assembly comprises: 2 ~ 40 heat pipes, fill the refrigerant in the heat pipe, the heat pipe still includes: the first pipe body and the second pipe body are communicated and extend in the same direction, and the connecting portion is arranged on one side, parallel to the ventilation channel, of the radiator.

6. The laser of claim 5, wherein the connecting portion wraps around opposite sidewalls of the heat sink parallel to the ventilation channel.

7. The laser as claimed in any one of claims 4 to 6, wherein the first heat sink and the second heat sink are respectively mounted on a side of the heat sink assembly where the mounting groove is formed, and a groove is formed on a side of the first heat sink and the second heat sink adjacent to the heat sink assembly, the groove being adapted to a shape of the first tube protruding from the heat sink.

8. The laser of claim 4, wherein the first tube, the second tube and the connecting portion of the heat pipe are disposed in a plane non-parallel to a side of the heat sink having the mounting groove.

9. The laser of claim 7, wherein the first tube, the second tube and the connecting portion of the single heat pipe are perpendicular to the side of the heat sink assembly having the mounting groove.

10. The laser of claim 9,

the case includes: the bottom plate, the first heat dissipation plate and the four main side plates of the second heat dissipation plate surround the case, the two opposite main side plates of the case are provided with a second air inlet and a second air outlet, and the first air inlet and the first air outlet are communicated with the ventilation channel;

the laser includes: the third fan set and the fourth fan set are accommodated in the case and respectively face the second air inlet and the second air outlet.