Low-noise air-cooling heat dissipation system and laser

Abstract

The utility model discloses a low noise air cooling heat radiation system and a laser, the low noise air cooling heat radiation system comprises a heat radiation module group, the heat radiation module group comprises a first heat radiation fin module group and a second heat radiation fin module group, the first heat radiation fin module group and the second heat radiation fin module group are separated; the fan module is arranged between the first cooling fin module and the second cooling fin module in a hidden mode, so that noise generated by the fan module is sealed in the cooling module by the first cooling fin module and the second cooling fin module. The fan module is arranged in the middle of the heat dissipation module, noise can be sealed in the heat dissipation module, the noise is effectively reduced, the flow speed of airflow flowing through the first heat dissipation fin module and the second heat dissipation fin module is larger, and the heat dissipation performance is higher. Meanwhile, the fan module is arranged in the middle, the fan cannot be directly exposed out of the face, the fan cannot be touched by hands, and safety is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of laser, more particularly, a low noise air cooling heat dissipation system and laser. BACKGROUND

[0002] Optical fiber laser has the advantages of compact structure, good heat dissipation performance, high conversion efficiency, excellent beam quality and stable performance, and has gradually replaced solid-state laser, chemical laser and other laser market mainstream products, and is widely used in industrial manufacturing. However, in the working process of the laser, the laser light source, also known as the semiconductor pumping source, will emit a large amount of heat. If this heat is not neutralized or removed in time, it will seriously affect the normal use of the laser light source, and even directly burn out the laser light source.

[0003] The heat dissipation performance of the laser heat dissipation system directly determines the power of the laser output. However, heat dissipation performance and quiet experience are a pair of mutually trade-off variables. In the prior art, the heat dissipation system containing the fan module usually sets the fan module on one side of other heat dissipation modules (such as heat dissipation fins), so that the air outlet direction of the fan is directed to the other heat dissipation modules, and the other heat dissipation modules are air-cooled and heat-dissipated. The fan speed is increased, the heat dissipation performance is enhanced, but the noise is too large. Enhancing the heat dissipation performance while reducing the noise is the goal that the heat dissipation design team continues to pursue. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the above-mentioned defects existing in the prior art, and provides a low noise air cooling heat dissipation system and laser, which enhances the heat dissipation performance while reducing the noise.

[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0006] A low noise air cooling heat dissipation system for dissipating heat from a laser pumping source, comprising:

[0007] A heat dissipation module, the heat dissipation module comprising a separated first heat dissipation fin module and a second heat dissipation fin module;

[0008] A fan module, the fan module being hiddenly arranged between the first heat dissipation fin module and the second heat dissipation fin module, so that the noise generated by the fan module is enclosed inside the heat dissipation module by the first heat dissipation fin module and the second heat dissipation fin module.

[0009] In some embodiments, the air inlet end and the air outlet end of the fan module are respectively directed to the first heat dissipation fin module and the second heat dissipation fin module.

[0010] In some embodiments, a heat pipe module is further included, which comprises a parallel heat dissipation section in contact with the pump source for heat exchange, and a first vertical heat dissipation section and a second vertical heat dissipation section respectively extending from two opposite ends of the parallel heat dissipation section in a direction away from the pump source;

[0011] The first heat dissipation fin module comprises a plurality of first heat dissipation fins, and the second heat dissipation fin module comprises a plurality of second heat dissipation fins. The plurality of first heat dissipation fins are sequentially and parallelly sleeved on the first vertical heat dissipation section in the extension direction of the first vertical heat dissipation section, and the plurality of second heat dissipation fins are sequentially and parallelly sleeved on the second vertical heat dissipation section in the extension direction of the second vertical heat dissipation section.

[0012] In some embodiments, the fan module can be partially or entirely arranged inside the heat dissipation fin module. In some embodiments, a mounting groove is formed on one side of the first heat dissipation module facing the fan module, and part or all of the fan module is embedded in the mounting groove; or,

[0013] a mounting groove is formed on one side of the second heat dissipation module facing the fan module, and part or all of the fan module is embedded in the mounting groove; or,

[0014] mounting grooves are formed on one side of the first heat dissipation fin module and the second heat dissipation fin module facing the fan module, and the fan module is arranged in a space formed by the first heat dissipation fin module mounting groove and the second heat dissipation fin module mounting groove.

[0015] In some embodiments, a mounting frame is further included, and the fan module is fixed on the mounting frame, and two open ends of the mounting frame are connected to the first heat dissipation fin module and the second heat dissipation fin module respectively.

[0016] In some embodiments, a damping member is arranged between the fan module and the mounting frame.

[0017] In some embodiments, the damping member comprises a soft rubber fastener, which comprises a soft rubber pin body, a soft rubber end cap arranged at one end of the soft rubber pin body, and a first soft rubber annular boss and a second soft rubber annular boss sequentially and spaced arranged on the soft rubber pin body. The first soft rubber annular boss is located between the mounting frame and the fan module, and the second soft rubber annular boss is used to limit the displacement of the fan module in the direction of the soft rubber pin body.

[0018] And / or, the damping member comprises a damping pad arranged between the fan module and the mounting frame.

[0019] In some embodiments, the fan module comprises a fan mounting rack and at least one fan mounted on the fan mounting rack, and a sound insulation layer is arranged inside the fan mounting rack.

[0020] The utility model discloses also a kind of laser, including above low-noise air cooling heat dissipation system.

[0021] Implement the utility model embodiment, with following beneficial effects:

[0022] The utility model embodiment sets fan module between first fin module and second fin module, carries out air cooling heat dissipation to first fin module and second fin module respectively, compared with the fan module of prior art is set in the side of all fin module, not only noise is blocked by first fin module and second fin module, can seal noise inside, effectively reduce noise, and the flow rate of airflow passing through first fin module and second fin module is greater, and heat dissipation performance is stronger. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0024] Among them:

[0025] Figure 1 It is the overall structure schematic diagram of low-noise air cooling heat dissipation system of a specific embodiment of the utility model.

[0026] Figure 2 It is Figure 1 The explosion structure schematic diagram of the overall structure shown.

[0027] Figure 3 It is the structure schematic diagram of primary heat dissipation module of a specific embodiment of the utility model.

[0028] Figure 4 It is the structure schematic diagram of secondary heat dissipation module of a specific embodiment of the utility model.

[0029] Figure 5 It is the structure schematic diagram of fan module of a specific embodiment of the utility model.

[0030] Figure 6 It is the structure schematic diagram of mounting frame of a specific embodiment of the utility model.

[0031] Figure 7 is a structural schematic view of a soft rubber fastener according to an embodiment of the present application.

[0032] Figure 8 is a structural schematic view of a low-noise air-cooled heat dissipation system and a pump source according to an embodiment of the present application.

[0033] In the figure, 100, pump source; 110, pump source chip;

[0034] 200, low-noise air-cooled heat dissipation system;

[0035] 210, heat pipe module; 211, parallel heat dissipation section; 212, first vertical heat dissipation section; 213, second vertical heat dissipation section; 214, heat pipe;

[0036] 220, heat dissipation module; 221, first heat dissipation fin module; 2211, first heat dissipation fin; 222, second heat dissipation fin module; 2221, second heat dissipation fin;

[0037] 230, fan module; 231, fan mounting rack; 232, fan;

[0038] 240, mounting frame; 241, first side wall; 242, second side wall; 243, third side wall; 244, fourth side wall; 245, opening;

[0039] 250, soft rubber fastener; 251, soft rubber nail body; 252, soft rubber end cap; 253, first soft rubber annular boss; 254, second soft rubber annular boss;

[0040] 1000, laser. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0042] The utility model discloses a low noise air cooling heat dissipation system 200 for heat dissipation to laser 1000, include: heat dissipation module 220 and fan module 230. Among them, heat dissipation module 220 includes first fin module 221 and second fin module 222. Fan module 230 is hiddenly arranged between first fin module 221 and second fin module 222, to make the noise produced by fan module 230 be enclosed in heat dissipation module 220 by first fin module 221 and second fin module 222.

[0043] The above embodiment hides fan module 230 between first fin module 221 and second fin module 222, compared with the prior art of arranging fan module 230 on one side of all fin modules, not only the noise is blocked by first fin module 221 and second fin module 222, can seal the noise inside, effectively reduce noise, and the flow rate of airflow through first fin module 221 and second fin module 222 is greater, and the heat dissipation performance is stronger. At the same time, fan module 230 is arranged at the middle position, and fan 232 is not directly exposed to the surface, and fan 232 cannot be touched by hand, which is safer.

[0044] In a specific embodiment, the air inlet end and the air outlet end of fan module 230 are respectively directed to first fin module 221 and second fin module 222.

[0045] In a specific embodiment, heat dissipation module 220 includes first fin module 221 and second fin module 222, first fin module 221 includes a plurality of first fin fins 2211, and second fin module 222 includes a plurality of second fin fins 2221.

[0046] In the above embodiment, the interval between adjacent first fin fins 2211 and the interval between adjacent second fin fins 2221 constitute air cooling channels, fan module 230 drives airflow from first fin module 221 to second fin module 222 or from second fin module 222 to first fin module 221, forms airflow channels, and promotes heat dissipation efficiency. Fan module 230 forms suction airflow and blowing airflow on first fin module 221 and second fin module 222 respectively, and the airflow flow rate in first fin module 221 and second fin module 222 is similar and relatively strong, which can significantly improve the heat dissipation efficiency of the two side fin modules.

[0047] In a specific embodiment, the low-noise air-cooled heat dissipation system 200 further comprises a heat pipe module 210. The heat pipe module 210 comprises a parallel heat dissipation section 211 in surface contact with the pump source 100 for heat exchange, and a first vertical heat dissipation section 212 and a second vertical heat dissipation section 213 respectively extending from the opposite ends of the parallel heat dissipation section 211 in a direction away from the pump source 100; a plurality of first heat dissipation fins 2211 are sequentially and parallelly sleeved on the first vertical heat dissipation section 212 in the extension direction of the first vertical heat dissipation section 212, and a plurality of second heat dissipation fins 2221 are sequentially and parallelly sleeved on the second vertical heat dissipation section 213 in the extension direction of the second vertical heat dissipation section 213.

[0048] In the above embodiment, the parallel heat dissipation section 211 is in surface contact with the pump source 100 for heat exchange, which can be direct surface contact heat exchange, or indirect surface contact heat exchange, for example, adding a heat conduction sheet with better heat conduction performance between the parallel heat dissipation section 211 and the pump source 100, or adding an electric cooling sheet, a water cooling unit, etc.

[0049] In a preferred embodiment, the first vertical heat dissipation section 212 and the second vertical heat dissipation section 213 are mirror-symmetrically arranged, and the first heat dissipation fin module 221 and the second heat dissipation fin module 222 are also mirror-symmetrically arranged, respectively performing heat exchange for the first vertical heat dissipation section 212 and the second vertical heat dissipation section 213, and the air inlet end and the air outlet end of the fan module 230 respectively perform air suction heat dissipation and air blowing heat dissipation for the first heat dissipation fin module 221 and the second heat dissipation fin module 222. Since the first heat dissipation fin module 221 and the second heat dissipation fin module 222 are symmetrically arranged with respect to the fan module 230, the airflow velocities in the first heat dissipation fin module 221 and the second heat dissipation fin module 222 are similar and relatively strong, so that the first heat dissipation fin module 221 and the second heat dissipation fin module 222 can synchronously perform heat dissipation, thereby providing higher heat dissipation efficiency.

[0050] In a specific embodiment, the heat pipe module 210 comprises a plurality of heat pipes 214 sequentially and side by side arranged, each heat pipe 214 comprising a parallel heat dissipation section 211 in surface contact with the pump source 100 for heat exchange, and a first vertical heat dissipation section 212 and a second vertical heat dissipation section 213 respectively extending from the opposite ends of the parallel heat dissipation section 211 in a direction away from the pump source 100; the heat pipe 214 contains a coolant, and phase change heat exchange occurs in the heat pipe 214, and the phase change heat exchange of the heat pipe 214 has higher heat dissipation efficiency.

[0051] Preferably, the first vertical heat dissipation section 212 and the second vertical heat dissipation section 213 of each heat pipe 214 are mirror-symmetrically arranged. Preferably, the first fin module 221 and the second fin module 222 are also mirror-symmetrically arranged, and respectively perform heat exchange with the first vertical heat dissipation section 212 and the second vertical heat dissipation section 213. The air inlet end and the air outlet end of the fan module 230 respectively perform air suction and air blowing on the first fin module 221 and the second fin module 222. Since the first fin module 221 and the second fin module 222 are symmetrically arranged with respect to the fan module 230, the air flow rates in the first fin module 221 and the second fin module 222 are similar and relatively high, so that the first fin module 221 and the second fin module 222 can synchronously perform heat dissipation, thereby providing a relatively high heat dissipation efficiency. In the embodiment, the heat pipe module 210 has a high heat exchange efficiency, a compact structure and a powerful performance. Compared with the prior art in which the fan module 230 is located on one side of the fin, the heat dissipation performance can be improved by 10%, the cost can be reduced by 30%, and the noise can be reduced by 5 decibels.

[0052] Reference Figure 8 In a specific embodiment, the pump source chips 110 are arranged in two rows, and each row includes at least one pump source chip 110. In the specific embodiment, each row includes ten pump source chips 110, and the pump source chips 110 in each row perform heat exchange with three heat pipes 214. The three heat pipes 214 can transfer a maximum power of 450 W.

[0053] In another specific embodiment, the heat pipe module 210 includes a heat dissipation pipe 214, which includes a parallel heat dissipation section 211 in contact with the pump source 100 for heat exchange, and a first vertical heat dissipation section 212 and a second vertical heat dissipation section 213 respectively extending from two opposite ends of the parallel heat dissipation section 211 in a direction away from the pump source 100. The parallel heat dissipation section 211 includes a plurality of parallel pipe routes arranged in sequence and side by side. The first vertical heat dissipation section 212 and the second vertical heat dissipation section 213 respectively include a plurality of vertical pipe routes arranged in sequence and side by side.

[0054] In the above embodiments, the heat dissipation pipe 214 can be formed by bending one pipe or by bending a plurality of pipes. The bending shape of the heat dissipation pipe 214 can be similar to that of the heat pipe 214 in the previous embodiment. In a specific embodiment, the heat dissipation pipe 214 is a solid copper heat dissipation pipe. In other embodiments, the heat dissipation pipe 214 can also contain a coolant, which circulates and flows in the heat dissipation pipe 214 for heat exchange. The power of the coolant circulating and flowing in the heat dissipation pipe 214 can come from a power device such as a pump.

[0055] In another specific embodiment, the heat pipe module 210 includes a heat dissipation cavity in thermal contact with the pump source 100, and a first heat pipe group and a second heat pipe group respectively extending from two opposite ends of the heat dissipation cavity in directions away from the pump source 100, the first heat pipe group and the second heat pipe group respectively including a plurality of heat pipes 214 arranged side by side in sequence, and each heat pipe 214 being in communication with the heat dissipation cavity.

[0056] In the above embodiment, the heat dissipation cavity constitutes a parallel heat dissipation section 211, the first heat pipe group constitutes a first vertical heat dissipation section 212, the second heat pipe group constitutes a second vertical heat dissipation section 213, the coolant flows in the heat dissipation cavity and the heat pipes 214, and phase change heat conduction occurs in the heat pipes 214.

[0057] In a specific embodiment, the fan module 230 is arranged inside the first heat dissipation fin module 221. The first heat dissipation fin module 221 is provided with a mounting groove on the side facing the fan module 230, and the fan module 230 is partially or entirely embedded in the mounting groove. After the first heat dissipation fin module 221 and the second heat dissipation fin module 222 are fixedly connected, the fan module 230 can be hidden and arranged inside the heat dissipation module 220.

[0058] In a specific embodiment, the fan module 230 is arranged inside the second heat dissipation fin module 222. The second heat dissipation fin module 222 is provided with a mounting groove on the side facing the fan module 230, and the fan module 230 is partially or entirely embedded in the mounting groove. After the first heat dissipation fin module 221 and the second heat dissipation fin module 222 are fixedly connected, the fan module 230 is hidden and arranged inside the heat dissipation module 220.

[0059] In a specific embodiment, the fan module 230 is arranged between the first heat dissipation fin module 221 and the second heat dissipation fin module 222. The first heat dissipation fin module 221 and the second heat dissipation fin module 222 are both provided with a mounting groove on the side facing the fan module 230, and the fan module 230 is arranged in the space enclosed by the mounting grooves of the first heat dissipation fin module 221 and the second heat dissipation fin module 222, so that the fan module 230 is hidden and arranged inside the heat dissipation module 220.

[0060] In the above embodiment, the fixed connection between the first heat dissipation fin module 221 and the second heat dissipation fin module 222 can be welding connection, or other existing connection methods such as clamping connection, etc.

[0061] In the above embodiment, the fixed connection between the fan module 230 and the first heat dissipation fin module 221 and / or the second heat dissipation fin module 222 can be welding connection, or other existing connection methods such as clamping connection, etc.

[0062] In a preferred embodiment, a sound insulation layer is arranged between the fan module 230 and the heat dissipation module 220. The sound insulation layer can be made of sound absorbing cotton, wood fiber sound absorbing board, sound insulation sponge, sound insulation felt, sound insulation board, or other sound insulation materials. The sound insulation layer can be directly wrapped outside the fan module 230 or fixed between the fan module 230 and the first heat dissipation fin module 221 and / or the second heat dissipation fin module 222. The fixing method can be adhesion, clamping, or other fixing methods, so as to further block the transmission of fan noise and reduce noise.

[0063] In a preferred embodiment, a damping member is arranged between the fan module 230 and the first heat dissipation fin module 221 and / or the second heat dissipation fin module 222. The damping member can be a soft rubber damping pad or the like.

[0064] In a specific embodiment, the low-noise air-cooled heat dissipation system 200 further includes a mounting frame 240, and the fan module 230 is fixed on the mounting frame 240. The mounting frame 240 is provided with a receiving cavity in the middle, and the fan module 230 is installed in the receiving cavity. The two open ends of the mounting frame 240 are respectively connected to the first heat dissipation fin module 221 and the second heat dissipation fin module 222.

[0065] In the above embodiments, the mounting frame 240 is used to mount the fan module 230 and form a sealed passage for airflow, or the mounting frame 240 and the fan module 230 jointly form a sealed passage for airflow. By arranging the mounting frame 240, assembly is facilitated. During assembly, the fan module 230 is first mounted on the mounting frame 240, and then the mounting frame 240 with the assembled fan module 230 is mounted between the first heat dissipation fin module 221 and the second heat dissipation fin module 222. Arranging the mounting frame 240 can further isolate the noise of the fan module 230.

[0066] In the above embodiments, the fan module 230 can be connected with the mounting frame 240 by a fixing member, or can be connected together by welding, clamping, or other existing connection methods.

[0067] In the above embodiments, the mounting frame 240 can be welded to the first heat dissipation fin module 221 and the second heat dissipation fin module 222, respectively, or connected by other existing connection methods, such as clamping.

[0068] In a specific embodiment, the mounting frame 240 is formed by two or more side plates sealingly surrounding a receiving cavity for mounting the fan module 230.

[0069] In a preferred embodiment, the mounting frame 240 comprises a first side wall 241 in surface contact with the parallel heat dissipation section 211 of the heat pipe module 210, a second side wall 242 opposite to the first side wall 241, and a third side wall 243 and a fourth side wall 244 respectively connected to the first side wall 241 and the second side wall 242 and opposite to each other, the first side wall 241, the second side wall 242, the third side wall 243 and the fourth side wall 244 are sealed to form a containing cavity for containing the fan module 230, and the first side wall 241, the second side wall 242, the third side wall 243 and the fourth side wall 244 are sealingly connected to each other to improve the noise blocking effect of the mounting bracket on the fan noise and reduce the fan noise.

[0070] Preferably, the side wall of the mounting frame 240 is provided with an opening 245 for mounting the fan module 230, facilitating the mounting and dismounting of the fan module 230. In a specific embodiment, the opening 245 is provided on the second side wall 242, and after the fan module 230 is mounted in the containing cavity from the opening 245, the fan module 230 closes the opening 245, and the fan module 230 and the mounting frame 240 together form a sealed passage for airflow, while sealing the fan 232 inside to isolate the noise. Of course, in other embodiments, the opening 245 can also be provided on any other side wall.

[0071] In a preferred embodiment, a damping member is provided between the fan module 230 and the mounting frame 240, which maintains a soft contact between the fan module 230 and the mounting frame 240 and can absorb vibrations to further reduce noise.

[0072] In a preferred embodiment, a sound insulation layer is provided between the fan module 230 and the mounting frame 240, which can be wrapped directly on the outside of the fan module 230 or provided between the fan module 230 and the mounting frame 240. The sound insulation layer can be made of sound-absorbing cotton, wood wool sound-absorbing board, sound-absorbing sponge, sound-absorbing felt and sound-absorbing board, etc. to further block the transmission of fan noise and reduce noise.

[0073] In a preferred embodiment, the damping member comprises a soft rubber fastener 250 for fixing the mounting frame 240 and the fan module 230. In this embodiment, the damping member and the fastener are designed as an integral structure to avoid hard contact between the mounting frame 240 and the fan module 230 and to transmit vibrations to the mounting frame 240.

[0074] Further, in a specific embodiment, the soft rubber fastener 250 comprises a soft rubber pin body 251, a soft rubber end cap 252 arranged at one end of the soft rubber pin body 251, and a first soft rubber annular boss 253 and a second soft rubber annular boss 254 arranged in sequence and at intervals on the soft rubber pin body 251, the first soft rubber annular boss 253 being located between the mounting frame 240 and the fan module 230 to avoid direct hard contact between the mounting frame 240 and the fan module 230, and the second soft rubber annular boss 254 being used to limit the displacement of the fan module 230 along the soft rubber pin body 251. The soft rubber fastener 250 of the embodiment can not only fasten the fan module 230 and the mounting frame 240, but also can fully reduce the shock.

[0075] In other embodiments, the shock-absorbing member can also be a soft rubber shock-absorbing gasket or the like arranged between the fan module 230 and the mounting frame 240. Compared with other embodiments, the use of the soft rubber fastener 250 is most convenient for installation, the structure is the simplest, and the shock-absorbing effect is the best. Of course, the shock-absorbing member can also be the joint use of the soft rubber fastener and the soft rubber shock-absorbing gasket, further improving the shock-absorbing effect.

[0076] In a specific embodiment, the fan module 230 comprises a fan mounting frame 231 and at least one fan 232 mounted on the fan mounting frame 231. The number of fans 232 can be one, two or more than two, which can be appropriately selected according to the requirement of the heat dissipation performance and the width of the first fin module 221 and the second fin module 222. In the specific embodiment, the soft rubber fastener 250 is sequentially and fixedly connected to the mounting frame 240 and the fan mounting frame 231. The shock-absorbing member in any form described above can also be arranged between the fan mounting frame 231 and the fan 232.

[0077] In a more preferred embodiment, the inside of the fan mounting frame 231 is provided with a sound insulation layer, which can be composed of sound-absorbing cotton, wood wool sound-absorbing board, sound-insulating sponge, sound-insulating felt and sound-insulating board and the like sound-insulating materials, so as to further block the transmission of fan noise and reduce the noise.

[0078] In a more preferred embodiment, the fan 232 is a silent fan, so as to reduce the generation of noise during the operation of the fan 232 and further reduce the noise of the fan 232.

[0079] The utility model also discloses a kind of laser 1000, comprising above low-noise air-cooled heat dissipation system 200.Laser 1000 has the characteristics of high heat dissipation efficiency, compact structure, low noise.

[0080] The above-described embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but cannot be understood as a limitation on the patent application scope. It should be noted that, for ordinary skilled persons in the art, without departing from the concept of the present application, several modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A low-noise air-cooled heat dissipation system for heat dissipation of a laser, characterized in that, include: A heat dissipation module, comprising a separate first heat sink module and a second heat sink module; A fan module is hidden between the first heat sink module and the second heat sink module so that the noise generated by the fan module is contained inside the heat sink module by the first heat sink module and the second heat sink module.

2. The low-noise air-cooled heat dissipation system of claim 1, wherein, The air inlet and air outlet of the fan module face the first heat sink module and the second heat sink module, respectively.

3. The low-noise air-cooled heat dissipation system of claim 2, wherein, It also includes a heat pipe module, which includes a parallel heat dissipation section for contacting and exchanging heat with the pump source surface, and a first vertical heat dissipation section and a second vertical heat dissipation section extending from opposite ends of the parallel heat dissipation section in a direction away from the pump source. The first heat sink module includes multiple first heat sink fins, and the second heat sink module includes multiple second heat sink fins. The multiple first heat sink fins are sequentially and parallelly spaced on the first vertical heat sink section along the extension direction of the first vertical heat sink section, and the multiple second heat sink fins are sequentially and parallelly spaced on the second vertical heat sink section along the extension direction of the second vertical heat sink section.

4. The low noise air-cooled heat dissipation system of claim 1, wherein, The fan module may be partially or entirely located inside the heat dissipation module.

5. The low-noise air-cooled heat dissipation system of claim 4, wherein, The first heat sink module has a mounting slot on the side facing the fan module, and part or all of the fan module is embedded in the mounting slot; or, The second heat sink module has a mounting slot on the side facing the fan module, and the fan module is partially or completely embedded in the mounting slot; or, Both the first heat sink module and the second heat sink module have mounting slots on the side facing the fan module, and the fan module is disposed in the space jointly enclosed by the mounting slots of the first heat sink module and the second heat sink module.

6. The low noise air-cooled heat dissipation system of claim 1, wherein, It also includes a mounting frame, on which the fan module is fixed, and the two open ends of the mounting frame are respectively connected to the first heat sink module and the second heat sink module.

7. The low-noise air-cooled heat dissipation system of claim 6, wherein, A shock-absorbing component is provided between the fan module and the mounting frame.

8. The low-noise air-cooled heat dissipation system of claim 7, wherein, The shock-absorbing component includes a soft rubber fastener, which includes a soft rubber nail body, a soft rubber end cap disposed at one end of the soft rubber nail body, and a first soft rubber annular boss and a second soft rubber annular boss disposed sequentially at intervals on the soft rubber nail body. The first soft rubber annular boss is located between the mounting frame and the fan module, and the second soft rubber annular boss is used to limit the displacement of the fan module along the direction of the soft rubber nail body. And / or, the damping component includes a damping pad disposed between the fan module and the mounting frame.

9. The low-noise air-cooled heat dissipation system according to any one of claims 1-8, characterized in that, The fan module includes a fan mounting bracket and at least one fan mounted on the fan mounting bracket, and the inner side of the fan mounting bracket is provided with a sound insulation layer.

10. A laser characterized by, Including the low-noise air-cooled heat dissipation system as described in any one of claims 1 to 9.

Images