WO2022110830A1 - 一种风冷式光纤激光器 - Google Patents

一种风冷式光纤激光器 Download PDF

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Publication number
WO2022110830A1
WO2022110830A1 PCT/CN2021/106112 CN2021106112W WO2022110830A1 WO 2022110830 A1 WO2022110830 A1 WO 2022110830A1 CN 2021106112 W CN2021106112 W CN 2021106112W WO 2022110830 A1 WO2022110830 A1 WO 2022110830A1
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Prior art keywords
heat dissipation
air
fiber laser
laser according
source
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PCT/CN2021/106112
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English (en)
French (fr)
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徐海军
李瑞清
刘江
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浙江热刺激光技术有限公司
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Publication of WO2022110830A1 publication Critical patent/WO2022110830A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/02—Constructional details
    • H01S3/04—Arrangements for thermal management
    • H01S3/042—Arrangements for thermal management for solid state lasers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/02—Constructional details
    • H01S3/04—Arrangements for thermal management
    • H01S3/0404—Air- or gas cooling, e.g. by dry nitrogen

Definitions

  • the present disclosure relates to the field of fiber lasers, and in particular, to an air-cooled fiber laser.
  • Fiber lasers will generate a lot of heat during operation, and it is necessary to continuously cool the laser to ensure continuous operation, otherwise the laser will be damaged.
  • Most of the fiber lasers on the market now use water cooling to dissipate heat from the laser to ensure the normal operation of the equipment. Although the water cooling method dissipates heat quickly, there are also many problems.
  • Fiber lasers with water-cooled structures are prone to water leakage accidents, causing damage to optical devices and electrical components, affecting the service life of the laser.
  • a laser with a water-cooled structure is prone to condensation in a high-humidity environment. It needs to be dehumidified, which further increases the volume of the laser, requires regular maintenance and dehumidification, and increases the cost of use.
  • the objectives of the present disclosure include, for example, to provide an air-cooled fiber laser, which can achieve heat dissipation to the laser through air cooling, thereby avoiding the above problems.
  • Embodiments of the present disclosure can be implemented, for example, in the following manner:
  • the present disclosure provides an air-cooled fiber laser, comprising an outer casing, a pump source, an optical device and a heat dissipation structure;
  • the heat dissipation structure includes an air source and a heat dissipation body
  • the heat dissipation body is provided with a plurality of heat dissipation air ducts
  • the air source is arranged at one end of the cooling air duct, and the air source is configured to draw air from the cooling air duct;
  • An installation structure is provided on the outer wall of the heat dissipation body, and the installation structure is configured to install a pump source;
  • the fiber laser heat dissipation structure, the pumping source and the optical device are all arranged in the housing, and the pumping source and the optical device are all arranged outside the heat dissipating body.
  • the heat dissipation body includes a heat dissipation cavity and a plurality of heat dissipation plates
  • the heat dissipation plate is disposed in the heat dissipation cavity, and the heat dissipation plate is configured to partition the heat dissipation cavity to form a plurality of the heat dissipation air ducts.
  • the overall structure of the heat dissipation cavity is H-shaped, and the mounting structure is arranged in a groove outside the heat dissipation cavity.
  • the notch of the groove is fitted with a cover plate.
  • a plurality of heat dissipation teeth are arranged in the heat dissipation air duct, and a heat dissipation groove is formed between two adjacent heat dissipation teeth, and the extension direction of the heat dissipation groove is the same as that of the heat dissipation air duct. the same direction.
  • a heat sink is provided on the inner side wall of the heat dissipation body, and the heat sink is connected to the
  • the heat sink is configured to cool the pump source.
  • a guide groove is provided on the inner side wall of the heat dissipation body, and the guide groove is correspondingly provided with the installation structure.
  • a fiber coil groove is provided on the outer side wall of the heat dissipation body.
  • the wind source is a fan.
  • the outer casing is provided with a plurality of air inlet grooves and air exhaust grooves.
  • the heat-prone components are arranged on the outside of the heat-dissipating main body through the installation structure, and after an air source is set at one end of the heat-dissipating main body, the heat-dissipating main body is dissipated by means of air extraction, thereby realizing heat dissipation of the heat-prone components.
  • the structure of the present disclosure has low production cost and maintenance cost, and no water leakage occurs, thereby reducing potential safety hazards and ensuring the service life of the laser.
  • FIG. 1 is a schematic three-dimensional structural diagram of a fiber laser heat dissipation structure provided by an embodiment of the present disclosure
  • FIG. 2 is a schematic three-dimensional structural diagram of the fiber laser heat dissipation structure provided by the embodiment of the present disclosure from another perspective;
  • FIG. 3 is a front view of a heat dissipation body of a fiber laser heat dissipation structure provided by an embodiment of the present disclosure
  • FIG. 4 is a top view of a heat dissipation body of a fiber laser heat dissipation structure provided by an embodiment of the present disclosure
  • FIG. 5 is a schematic three-dimensional structural diagram of a heat dissipation body of a fiber laser heat dissipation structure provided by an embodiment of the present disclosure
  • FIG. 6 is a schematic three-dimensional structural diagram of a fiber laser provided by an embodiment of the present disclosure.
  • Icons 1- heat dissipation body; 2- air source; 3- pump source; 4- fiber trough; 5- constant voltage source; 6- cover plate; 7- gain fiber;
  • 8-fiber plate 9-cooling air duct; 10-radiating fin; 11-radiating tooth; 12-radiating cavity; 13-radiating plate; 14-outer shell; 15-air inlet slot; 16-air exhaust slot; 17-handle; 18-touch screen.
  • horizontal does not imply that a component is required to be absolutely horizontal or overhang, but rather may be slightly inclined.
  • horizontal only means that its direction is more horizontal than “vertical”, it does not mean that the structure must be completely horizontal, but can be slightly inclined.
  • the terms “arranged”, “installed”, “connected” and “connected” should be understood in a broad sense, for example, it may be a fixed connection, It can also be a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components.
  • the specific meanings of the above terms in the present disclosure can be understood in specific situations.
  • the present disclosure provides an air-cooled fiber laser, which may include an outer casing, a pump source, an optical device, a heat dissipation structure, an air source 2 and a heat dissipation body 1; the heat dissipation body 1 may be provided with a plurality of heat dissipation air ducts 9;
  • the air source 2 can be arranged at one end of the heat dissipation air duct 9, and the air source 2 can be configured to draw air from the heat dissipation air duct 9;
  • the outer wall of the heat dissipation body 1 can be provided with a mounting structure, so
  • the installation structure is configured to install the pump source 3; the fiber laser heat dissipation structure, the pump source and the optical device can all be set in the housing, and the pump source and the optical device can all be set on the outside of the heat dissipating body.
  • the air source 2 can provide the air flow power to the heat dissipation air duct 9 in the heat dissipation body 1 to form an air flow for removing the heat in the heat dissipation body 1 .
  • the air flow direction provided by the air source 2 to the heat dissipation air duct 9 is from the inside of the heat dissipation air duct toward the air source 2, that is, the air flow is formed to the outside by means of air extraction.
  • Such an arrangement can speed up the discharge of the hot air in the heat dissipation air duct 9, avoid slowing the heat dissipation speed due to the blockage of the air flow by the components arranged in the heat dissipation air duct 9, thereby ensuring the heat dissipation efficiency.
  • the mounting structure is configured to mount the pumping source 3, and the pumping source 3 may be disposed on opposite two outer sides of the heat dissipation body 1 through the mounting structure.
  • the pump source 3 can be symmetrically arranged on the heat dissipation body 1 .
  • This arrangement enables the heat dissipation body 1 to rapidly dissipate heat inside the pump source 3 , effectively reducing heat accumulation, and the outside of the pump source 3 can also dissipate heat naturally, improving the heat dissipation efficiency of the pump source 3 .
  • the mounting structure may be a mounting groove.
  • the mounting grooves may have internal threads.
  • the pump source 3 is fixed on the heat dissipating body 1 through the cooperation of the bolt and the mounting groove.
  • the installation structure such as a mounting groove with an internal thread, or a mounting hole.
  • the pump source 3 is fixed on the cooling body 1 through the mounting hole.
  • it can also be other fixed installation solutions, such as snap connection, that is, as long as the pump source 3 can be arranged on the heat dissipation body 1 through the installation structure.
  • the fiber laser may include a heat dissipation body 1, a fan, a pump source 3, an optical device, a gain fiber 7, an output head and a circuit part
  • the fan may be installed above the heat dissipation body 1, and the pump
  • the power source 3 , the optical device, the gain fiber 7 and the circuit part can all be installed on the outer side of the heat dissipation body 1
  • the cover plate 6 is installed outside the heat dissipation body 1 to enclose the heat dissipation body therein.
  • the output head may be mounted on the cover plate 6, and the output head may be provided on the side of the heat dissipating body opposite to the side on which the pump source 3, the optical device, the gain fiber 7 and the circuit part are provided.
  • the output head may be coiled on the side of the heat dissipating body, and be fixed against the side by means of fixing means such as cable ties, wire clips, or the like.
  • the circuit part can include a constant voltage source 5, a constant current source and a control board, the constant voltage source 5 and the control board can be fixed on the heat dissipation body 1 on the opposite side of the fiber plate 8, and the constant current source is fixedly installed with the pump source 3. .
  • the circuit part of the laser may be composed of a constant voltage source 5, a constant current source, a control circuit board and a touch screen 18.
  • the constant current source is placed with the pump source 3, and the constant current source is placed with the pump source 3.
  • the current source can be set to be basically at the same level as the housing. This setting of the constant current source not only reduces the space occupied, but also reduces the number of wires, reduces the complexity of wiring, makes the structure more compact, and makes the wiring more regular and tidy. .
  • the control board and the constant voltage source 5 can be installed on a single side, which is convenient to connect with the pump source 3 installed on the other side.
  • the touch screen 18 may be mounted on top of the control panel.
  • the touch screen 19 can be configured to adjust relevant parameters. For example, when welding is performed, higher welding quality can be achieved by adjusting the parameters.
  • a handle 17 is also provided on the top of the outer casing 14, which is convenient to carry, and a supporting foot can be provided below the outer casing 14, which is configured to support the fiber laser.
  • the heat dissipation body 1 may include a heat dissipation cavity 12 and a plurality of heat dissipation plates 13 .
  • the heat dissipation cavity may be defined by side surfaces of the heat dissipation body, which are substantially disposed at a central portion of the heat dissipation body.
  • the heat dissipation plate 13 is disposed in the heat dissipation cavity 12 , and the heat dissipation plate 13 is configured to partition the heat dissipation cavity 12 to form a plurality of the heat dissipation air ducts 9 .
  • a plurality of heat dissipation plates 13 may be spliced into a modular profile structure, and a plurality of modular profile structures may constitute a heat dissipation cavity.
  • the heat dissipation cavity 12 can be constructed into a cylindrical structure through four modularized profile structures, and a fixing portion configured to fix a single heat dissipation plate 13 can be provided on the side of the heat dissipation plate, and the interior of the heat dissipation cavity 12 can pass through according to actual needs.
  • a plurality of heat dissipation plates 13 are separated to form a plurality of heat dissipation air ducts 9 .
  • each radiating plate 13 is equivalent to a piece of profile, which can be quickly spliced, so that the structure can be adjusted arbitrarily, and the adaptability is strong, and the production cost and installation cost can be effectively reduced.
  • the overall structure of the heat dissipation cavity 12 is H-shaped, and the mounting structure may be arranged in a groove outside the heat dissipation cavity 12 .
  • the heat dissipation cavity 12 may be composed of four heat dissipation plates 13 , wherein the two heat dissipation plates 13 with the mounting structure can be respectively connected to the other two heat dissipation plates 13 at both ends, and have the installation structure.
  • the heat dissipation plate 13 of the structure is recessed between the other two heat dissipation plates 13, so that the overall appearance of the heat dissipation cavity 12 is H-shaped, and the installation structure can be arranged in the grooves formed on both sides of the H-shaped structure.
  • Such an arrangement can not only satisfy the heat dissipation requirements of the pumping source 3 , but also appropriately protect the pumping source 3 to avoid adverse effects on the pumping source 3 caused by the external environment.
  • an optical device can also be arranged, so that the overall structure is relatively compact, the space is small, and the overall weight is effectively reduced.
  • a cover plate 6 may be installed in the notch of the groove.
  • the cover plate 6 can be fixed on the outer side of the heat dissipation body 1 by bolts to cover the groove, thereby effectively protecting the pump source 3 and the optical device and other components set in the groove, which can prevent The dust effect can prevent the parts from being damaged by the external environment.
  • a plurality of heat dissipation teeth 11 may be provided in the heat dissipation air duct 9, and a heat dissipation groove is formed between two adjacent heat dissipation teeth 11, and the extension direction of the heat dissipation groove is the same as that of the heat dissipation groove.
  • the extending directions of the cooling air ducts 9 are the same.
  • One end of the heat dissipation tooth can be in contact with the outer side surface of the heat dissipation body, and the other end of the heat dissipation tooth can be in contact with a heat dissipation plate arranged inside the heat dissipation cavity.
  • the heat dissipation teeth 11 may be arranged in the heat dissipation air duct 9, which can effectively increase the heat dissipation area and improve the heat dissipation efficiency.
  • the plurality of heat dissipation teeth 11 can be arranged in parallel and disposed on the inner side of the heat dissipation air duct 9 , which can increase the heat dissipation efficiency in the heat dissipation air duct 9 .
  • the side surface on which the heat dissipation teeth 11 are installed may be adjacent to the side surface on which the installation structure is installed.
  • heat dissipation fins 10 may be provided on the inner sidewall of the heat dissipation body 1 .
  • the cooling fins 10 are arranged corresponding to the mounting structure.
  • the heat sink 10 is configured to connect the pump source 3 .
  • One end of the heat dissipation fin can be in contact with the outer side surface of the heat dissipation body, and the other end of the heat dissipation fin can be in contact with a heat dissipation plate disposed inside the heat dissipation cavity.
  • the cooling air duct 9 especially each inner side wall of the cooling cavity 12 , may be provided with devices that contribute to heat dissipation, namely the cooling teeth 11 and the cooling fins 10 .
  • the extension direction of the heat dissipation grooves formed between the two adjacent heat dissipation teeth 11 and the adjacent two adjacent heat dissipation fins 10 is basically the same as the extension direction of the heat dissipation air duct 9 in the heat dissipation cavity 12, which can reduce the convective wind flow. block, increase the heat dissipation area and improve the heat dissipation efficiency.
  • the heat sink 10 can pass through the side wall of the heat dissipation cavity 12 and be connected to the pump source 3 connected to the installation structure, which can speed up the introduction of the heat generated by the pump source 3 into the heat dissipation air duct 9 , and finally achieve the effect of accelerating heat dissipation.
  • an embedded groove may be provided on the side wall of the heat dissipation cavity 12. After the heat sink 10 passes through the embedded groove, it may directly contact the pump source 3. Around the embedded groove, there may be provided with Multiple mounting holes, the mounting holes can be matched with bolts to install the pump source 3.
  • the material of the heat sink 10 may be red copper, which can effectively improve the heat dissipation efficiency and make the heat dissipation effect better.
  • the material of the heat sink 10 can be red copper, but it is not limited to red copper, it can also be other materials, as long as it can quickly conduct heat to the pump source 3, and then effectively improve the heat dissipation effect. .
  • a guide groove may be provided on the inner side wall of the heat dissipation body 1, and the guide groove is correspondingly provided with the installation structure.
  • the arrangement of the diversion groove can make the heat dissipation of the pump source 3 more uniform, avoid the heat accumulation of the pump source 3, and improve the heat dissipation efficiency.
  • a fiber coil slot 4 may be provided on the outer side wall of the heat dissipation body 1 .
  • the optical fiber required in the optical fiber system of the fiber laser is arranged outside the heat dissipation body 1, which can not only realize the heat dissipation of the optical fiber, but also make the structure of the entire fiber laser more compact and reasonable.
  • a fiber coil groove 4 can be provided on the outer surface of the heat dissipation body 1, and the optical fiber is fixed by the fiber coil groove 4, thereby making the overall installation of the fiber more standardized and neater, which not only improves the aesthetics of the appearance, but also facilitates Maintenance of optical fibers.
  • a gain fiber 7 may be provided, and the gain fiber 7 may be fixed on the heat dissipation body 1 through the fiber coil plate 8. .
  • a fiber coil plate 8 may be installed below the gain fiber 7 , and the gain fiber 7 may be installed on the fiber coil plate 8 first, and then fixed on the heat dissipation cavity 12 through the fiber coil plate 8 .
  • Such an arrangement not only facilitates production, but also reduces the processing cost, and prevents the entire heat dissipation cavity from being scrapped due to the damage of the fiber coil groove 4 .
  • the wind source 2 may be a fan.
  • the wind source 2 can be a fan, but it is not limited to a fan, it can also be other devices with blowing, blowing, and exhausting effects, as long as it can provide the power of wind flow in the cooling air duct 9 That's it.
  • the outer casing 14 may be provided with a plurality of air inlet grooves 15 and air exhaust grooves 16 .
  • An air inlet slot 15 can be arranged around the outer casing 14 to ensure that the fan has sufficient air volume; an air exhaust slot 16 can be arranged on the upper part of the outer casing to discharge the heat in the cooling air duct 9 in time.
  • the components that are prone to heat heat are arranged on the outside of the heat dissipation body 1 through the mounting structure, and after the air source 2 is installed at one end of the heat dissipation body 1, the heat dissipation body 1 is dissipated by means of air extraction, thereby realizing heat dissipation of the heat prone components.
  • the structure of the present disclosure has low production cost and maintenance cost, and no water leakage occurs, thereby reducing potential safety hazards and ensuring the service life of the laser.
  • the components that are prone to heat are disposed on the outside of the heat dissipation body through the installation structure, and after an air source is installed at one end of the heat dissipation body, the heat dissipation body is dissipated by means of air extraction, thereby realizing the easy operation of the heat dissipation body.
  • Heat-generating components dissipate heat.
  • the structure, production cost and maintenance cost of the air-cooled fiber laser provided by the present disclosure are low, and no water leakage occurs, thereby reducing potential safety hazards and ensuring the service life of the laser.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)

Abstract

本公开涉及光纤激光器领域，具体而言，涉及一种风冷式光纤激光器。风冷式光纤激光器包括外壳体、泵浦源、光学器件和散热结构；所述散热结构包括风源和散热主体；所述散热主体上设置有多个散热风道；所述风源设置在所述散热风道的一端，所述风源配置成从所述散热风道内抽风；所述散热主体的外壁上设置有安装结构，所述安装结构配置成安装泵浦源；所述光纤激光器散热结构、所述泵浦源和所述光学器件均设置在所述壳体内，所述泵浦源和所述光学器件均设置在所述散热主体的外侧。本公开的结构生产成本和维护成本均较低，且不会产生漏水等情况，减少了安全隐患，保证了激光器的使用寿命。

Description

一种风冷式光纤激光器
相关申请的交叉引用
本公开要求于2020年11月26日提交中国专利局的申请号为CN202011349381.6、名称为“一种风冷式光纤激光器”的中国专利申请的优先权，其全部内容通过引用结合在本公开中。
技术领域
本公开涉及光纤激光器领域，具体而言，涉及一种风冷式光纤激光器。
背景技术
光纤激光器在工作时候会产生大量的热，需要不断的给激光器降温才能保证持续工作，不然会损坏激光器。现在市场上的光纤激光器多采用水冷方式给激光器散热，以保证设备正常运行。水冷方式虽然散热快，但是也存在很多问题。
如果是采用外接水冷机循环冷却，就需要购买水冷机，增加了采购成本，并且在使用时，耗电比较大，增加了使用成本，占地比较大，不方便移动运输。如果是采用内置水冷机的结构来循环冷却，无疑设备的体积会变大变重，同样功耗比较大，且不方便移动和运输。
水冷结构的光纤激光器容易发生漏水事故，造成光学器件和电气元件的损坏，影响激光器的使用寿命。
另外，安装有水冷结构的激光器，在高湿环境中容易结露，需要加装除湿，进一步增大了激光器的体积，需要定期维护除湿，增加了使用成本。
鉴于现有水冷光纤激光器的种种问题，特别需要一种不依赖水冷的光纤激光器。
发明内容
本公开的目的例如包括提供一种风冷式光纤激光器，其能够通过风冷实现给激光器进行散热，避免了上述问题。
本公开的实施例可以例如以如下方式实现的：
本公开提供一种风冷式光纤激光器，包括外壳体、泵浦源、光学器件和散热结构；
所述散热结构包括风源和散热主体；
所述散热主体上设置有多个散热风道；
所述风源设置在所述散热风道的一端，所述风源配置成从所述散热风道内抽风；
所述散热主体的外壁上设置有安装结构，所述安装结构配置成安装泵浦源；
所述光纤激光器散热结构、所述泵浦源和所述光学器件均设置在所述壳体内，所述泵浦源和所述光学器件均设置在所述散热主体的外侧。
在可选的实施方式中，所述散热主体包括散热腔体和多块散热板；
所述散热板设置在所述散热腔体内，所述散热板配置成将所述散热腔体进行分隔，形成多个所述散热风道。
在可选的实施方式中，所述散热腔体的整体结构为H型，所述安装结构设置在所述散热腔体外侧的凹槽内。
在可选的实施方式中，所述凹槽的槽口安装有罩板。
在可选的实施方式中，所述散热风道内设置有多个散热齿，相邻的两个所述散热齿之间形成散热槽，所述散热槽的延伸方向与所述散热风道的延伸方向一致。
在可选的实施方式中，所述散热主体的内侧壁上设置有散热片，所述散热片与所
述安装结构对应设置；
所述散热片配置成冷却所述泵浦源。
在可选的实施方式中，所述散热主体的内侧壁上设置有导流槽，所述导流槽与所述安装结构对应设置。
在可选的实施方式中，所述散热主体的外侧壁上设置有盘纤槽。
在可选的实施方式中，所述风源为风扇。
在可选的实施方式中，所述外壳体上设置有多个进风槽和排风槽。
本公开实施例的有益效果例如至少包括：
将易发热的部件通过安装结构设置在散热主体的外侧，在散热主体的一端设置风源后，通过抽风的方式对散热主体进行散热，进而实现对易发热部件进行散热。
本公开的结构生产成本和维护成本均较低，且不会产生漏水等情况，减少了安全隐患，保证了激光器的使用寿命。
附图说明
为了更清楚地说明本公开实施例的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，应当理解，以下附图仅示出了本公开的某些实施例，因此不应被看作是对范围的限定，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他相关的附图。
图1为本公开实施例提供的光纤激光器散热结构的立体结构示意图；
图2为本公开实施例提供的光纤激光器散热结构的另一视角的立体结构示意图；
图3为本公开实施例提供的光纤激光器散热结构的散热主体的主视图；
图4为本公开实施例提供的光纤激光器散热结构的散热主体的俯视图；
图5为本公开实施例提供的光纤激光器散热结构的散热主体的立体结构示意图；
图6为本公开实施例提供的光纤激光器的立体结构示意图。
图标：1-散热主体；2-风源；3-泵浦源；4-盘纤槽；5-恒压源；6-罩板；7-增益光纤；
8-盘纤板；9-散热风道；10-散热片；11-散热齿；12-散热腔体；13-散热板；14-外壳体；15-进风槽；16-排风槽；17-把手；18-触摸屏。
具体实施方式
为使本公开实施例的目的、技术方案和优点更加清楚，下面将结合本公开实施例中的附图，对本公开实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本公开一部分实施例，而不是全部的实施例。通常在此处附图中描述和示出的本公开实施例的组件可以以各种不同的配置来布置和设计。
因此，以下对在附图中提供的本公开的实施例的详细描述并非旨在限制要求保护的本公开的范围，而是仅仅表示本公开的选定实施例。基于本公开中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。
应注意到：相似的标号和字母在下面的附图中表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步定义和解释。
在本公开的描述中，需要说明的是，术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”和“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，或者是该发明产品使用时惯常摆放的方位或位置关系，仅是为了便于描述本公开和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本公开的限制。此外，术语“第一”、“第二”和“第三”等仅用于区分描述，而不能理解为指示或暗示相对重要性。
此外，术语“水平”、“竖直”和“悬垂”等术语并不表示要求部件绝对水平或悬垂，而是可以稍微倾斜。如“水平”仅仅是指其方向相对“竖直”而言更加水平，并不是表示该结构一定要完全水平，而是可以稍微倾斜。
在本公开的描述中，还需要说明的是，除非另有明确的规定和限定，术语“设置”、“安装”、“相连”和“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在 本公开中的具体含义。
下面结合图1-图6，对本公开的一些实施方式作详细说明。在不冲突的情况下，下述的实施例及实施例中的特征可以相互组合。
本公开提供一种风冷式光纤激光器，可以包括外壳体、泵浦源、光学器件和散热结构，风源2和散热主体1；所述散热主体1上可以设置有多个散热风道9；所述风源2可以设置在所述散热风道9的一端，所述风源2可以配置成从所述散热风道9内抽风；所述散热主体1的外壁上可以设置有安装结构，所述安装结构配置成安装泵浦源3；所述光纤激光器散热结构、所述泵浦源和所述光学器件均可以设置在所述壳体内，所述泵浦源和所述光学器件均可以设置在所述散热主体的外侧。
在本公开的实施例中，风源2可以给散热主体1内的散热风道9提供空气流动的动力，使其形成风流，用于将散热主体1内的热量带走。
在本公开的实施例中，风源2可以给散热风道9提供的风流方向为从散热风道内部朝向风源2方向，即向外部通过抽风的方式形成风流。
这样的设置方式，能够加快将散热风道9内的热空气排出，避免由于在散热风道9内设置的零部件对风流产生的阻挡而导致散热速度变慢，进而保证了散热效率。
在本公开的实施例中，安装结构配置成安装泵浦源3，且泵浦源3可以通过安装结构设置在散热主体1的相反两个外侧面上。泵浦源3可以在散热主体1上对称设置。
在本公开的实施例中，安装结构可以为多个，配置成分别对多个泵浦源3进行安装，其分散布置在散热主体的侧面上。
这样的设置方式，使得散热主体1能够对泵浦源3的内侧进行快速散热，有效减少热聚集，而泵浦源3的外侧也能进行自然散热，提高了泵浦源3的散热效率。
在本公开的实施例中，安装结构可以为安装槽。安装槽可以具有内螺纹。通过螺栓与安装槽的配合，实现将泵浦源3固定在散热主体1上。
需要指出的是，安装结构的设置方式有很多种，如可以具有内螺纹的安装槽，也可以是安装孔，通过螺栓与螺母的配合，穿过安装孔将泵浦源3固定在散热主体1上，其还可以是其他的固定安装方案，如卡接等，也就是说，只要能够实现通过安装结构将泵浦源3设置在散热主体1上即可。
具体的，在本公开的实施例中，光纤激光器可以包括散热主体1、风扇、泵浦源3、光学器件、增益光纤7、输出头和电路部分，风扇可以安装在散热主体1的上方，泵浦源3、光学器件、增益光纤7和电路部分均可以安装在散热主体1的外侧面上，罩板6安装在散热主体1的外部将散热主体围封在其内。输出头可以安装在罩板6上，输出头可以设置在散热主体的与 泵浦源3、光学器件、增益光纤7和电路部分设置在其上的侧面相反的一侧面上。输出头可以被盘绕在散热主体的侧面上，通过固定装置例如扎带、线卡等抵靠该侧面被固定。
电路部分可以包括恒压源5、恒流源和控制板，恒压源5可以和控制板固定在散热主体1上与盘纤板8相反的侧面上，恒流源随泵浦源3固定安装。
在本公开的实施例中，激光器中的电路部分可以由恒压源5、恒流源、控制电路板和触摸屏18组成，为了减小激光器的体积，恒流源随泵浦源3放置，恒流源可以被设置成基本与外罩处于同一水平，恒流源的这种设置方式不仅减小所占空间，而且可以减少电线的数量、降低布线复杂程度，让结构更加紧凑，使布线更加规则整齐。
控制板和恒压源5可以安装在单独的一个侧面上，便于与安装于其他侧面上的泵浦源3连接。触摸屏18可以安装在控制板的上面。触摸屏19可以配置成调节相关参数，比如在进行焊接时，可以通过调参数实现更高的焊接质量。
在外壳体14的上方还设置有把手17，方便搬运，外壳体14的下方可以设置有支脚，配置成对光纤激光器进行支撑。
在本公开的可选的实施方式中，所述散热主体1可以包括散热腔体12和多块散热板13。所述散热腔体可以由散热主体的侧面界定，其基本上被设置于所述散热主体的中央部分。所述散热板13设置在所述散热腔体12内，所述散热板13配置成将所述散热腔体12进行分隔，形成多个所述散热风道9。
在本公开的实施例中，为了有效的降低成本，多块散热板13可以拼接成模块化的型材结构，多个模块化的型材结构可以构成散热腔体。散热腔体12可以通过四块模块化的型材结构被构造成筒状结构，散热板的侧面上可以设置有配置成固定单个散热板13的固定部，散热腔体12的内部可以根据实际需要通过多块散热板13进行分隔，形成多个散热风道9。
这样的设置，使得每块散热板13相当于是一块型材，其能够进行快速拼接，进而能够对结构进行任意调节，适应性强，且能够有效的降低生产成本和安装成本。
在本公开可选的实施方式中，所述散热腔体12的整体结构为H型，所述安装结构可以设置在所述散热腔体12外侧的凹槽内。
具体的，在本公开的实施例中，散热腔体12可以为四块散热板13构成，其中具有安装结构的两块散热板13的两端可以分别连接另外两块散热板13，且具有安装结构的散热板13内凹在另外两块散热板13之间，使得散热腔体12的外观整体为H状，安装结构可以设置在H状结构两侧形成的凹槽中。
这样的设置，既能够满足泵浦源3的散热要求，有能够对泵浦源3进行适当的保护，避免外界环境对泵浦源3造成不利影响。
同时，在具有安装结构的一侧，还可以设置有光学器件，使得整体结构比较紧凑，占用空间小，有效的减小了整体重量。
在本公开可选的实施方式中，所述凹槽的槽口可以安装有罩板6。
具体的，罩板6可以通过螺栓固定设置在散热主体1的外侧，将凹槽进行覆盖，进而有效的保护了凹槽内设置的泵浦源3和光学器件等零部件，既能够起到防尘作用，有能够避免零部件被外界环境影响破坏。
在本公开可选的实施方式中，所述散热风道9内可以设置有多个散热齿11，相邻两个的所述散热齿11之间形成散热槽，所述散热槽的延伸方向与所述散热风道9的延伸方向一致。散热齿的一端可以与散热主体的外侧面接触，散热齿的另一端可以与设置于散热腔体内部的散热板接触。
具体的，在本公开的实施例中，在散热风道9内可以设置散热齿11，能够有效的增加散热面积，提高散热效率。
具体的，多个散热齿11可以平行设置，且设置在散热风道9的内侧面上，能够增加散热风道9内的散热效率。
安装有散热齿11的侧面，可以与设置有安装结构的侧面相邻。
在本公开可选的实施方式中，所述散热主体1的内侧壁上可以设置有散热片10。所述散热片10与所述安装结构对应设置。所述散热片10配置成连接所述泵浦源3。散热片的一端可以与散热主体的外侧面接触，散热片的另一端可以与设置于散热腔体内部的散热板接触。
也就是说，在散热风道9，尤其是散热腔体12的各个内侧壁上均可以设置有有助于散热的装置，分别是散热齿11和散热片10。
且相邻两个的散热齿11、相邻的两个散热片10之间形成的散热槽，其延伸方向均与散热腔体12内的散热风道9的延伸方向基本相同，能够减少对风流的阻挡，增加散热面积，提高散热效率。
在本公开的实施例中，散热片10可以穿过散热腔体12的侧壁，与安装结构上连接的泵浦源3连接，能够加快将泵浦源3产生的热量导入散热风道9内，最终达到加速散热的效果。
具体的，在本公开的实施例中，在散热腔体12的侧壁上可以设置有嵌入槽，散热片10穿过嵌入槽后，可以直接与泵浦源3接触，嵌入槽四周可以设置有多个安装孔，安装孔可以与螺栓配合安装泵浦源3。
在本公开的实施例中，散热片10的材质可以为紫铜，其能够有效提供散热效率，使得散热效果更好。
需要指出的是，散热片10的材质可以是紫铜，但其不仅仅局限于紫铜，其还可以是其他 的材质，其只要能够实现对泵浦源3快速导热，进而有效的提高散热效果即可。
在可选的实施方式中，所述散热主体1的内侧壁上可以设置有导流槽，所述导流槽与所述安装结构对应设置。
导流槽的设置，能够使得泵浦源3的散热更加均匀，避免泵浦源3产生热聚集，提高散热效率。
在可选的实施方式中，所述散热主体1的外侧壁上可以设置有盘纤槽4。
具体的，在本公开的实施例中，将光纤激光器的光纤系统里所需要的光纤设置在散热主体1外侧，既能够实现对光纤进行散热，也能够使得整个光纤激光器的结构更加紧凑合理。
具体的，在散热主体1的外侧面上可以设置盘纤槽4，通过盘纤槽4将光纤进行固定，进而使得光纤的整体安装更加规范，更加整洁，既提高了外观的美观性，又便于对光纤的维护。
在本公开的实施例中，在散热主体1上，与具有盘纤槽4的侧面相邻的侧面上，可以设置有增益光纤7，增益光纤7可以通过盘纤板8固定在散热主体1上。
增益光纤7的下方可以安装有盘纤板8，增益光纤7可以先安装在盘纤板8上，再通过盘纤板8固定在散热腔体12上。
这样的设置，不仅便于生产，而且降低了加工成本，防止因为盘纤槽4损坏造成整个散热腔作废。
在本公开可选的实施方式中，所述风源2可以为风扇。
风扇在设置时，其吹风方向为向散热风道9外吹，进而使得在散热风道9内形成抽风效果。
需要指出的是，风源2可以是风扇，但其不仅仅局限于风扇，其还可以是其他具有吹风、送风、抽风效果的装置，其只要能够给散热风道9内提供风流动的动力即可。
在本公开可选的实施方式中，所述外壳体14上可以设置有多个进风槽15和排风槽16。
在外壳体14的四周可以设置有进风槽15，保证风扇有足够的风量；在在外壳体的上部可以设置有排风槽16，能够及时将散热风道9内的热量排出。
本公开实施例的有益效果是：
将易发热的部件通过安装结构设置在散热主体1的外侧，在散热主体1的一端设置风源2后，通过抽风的方式对散热主体1进行散热，进而实现对易发热部件进行散热。
本公开的结构生产成本和维护成本均较低，且不会产生漏水等情况，减少了安全隐患，保证了激光器的使用寿命。
以上所述仅为本公开的优选实施例而已，并不用于限制本公开，对于本领域的技术人员来说，本公开可以有各种更改和变化。凡在本公开的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本公开的保护范围之内。
工业实用性
本公开实施例提供的风冷式光纤激光器将易发热的部件通过安装结构设置在散热主体的外侧，在散热主体的一端设置风源后，通过抽风的方式对散热主体进行散热，进而实现对易发热部件进行散热。本公开提供的风冷式光纤激光器的结构生产成本和维护成本均较低，且不会产生漏水等情况，减少了安全隐患，保证了激光器的使用寿命。

Claims (15)

  1. 一种风冷式光纤激光器，其特征在于，包括外壳体、泵浦源、光学器件和散热结构；所述散热结构包括风源和散热主体；
    所述散热主体上设置有多个散热风道；
    所述风源设置在所述散热风道的一端，所述风源配置成从所述散热风道内抽风；所述散热主体的外壁上设置有安装结构，所述安装结构配置成安装泵浦源；
    所述散热结构、所述泵浦源和所述光学器件均设置在所述壳体内，所述泵浦源和所述光学器件均设置在所述散热主体的外侧。
  2. 根据权利要求1所述的风冷式光纤激光器，其特征在于，所述散热主体包括散热腔体和多块散热板；
    所述散热板设置在所述散热腔体内，所述散热板配置成将所述散热腔体进行分隔，形成多个所述散热风道。
  3. 根据权利要求1至2中任一项所述的风冷式光纤激光器，其特征在于，多块散热板拼接成模块化的型材结构，多个模块化的型材结构构成所述散热腔体，所述散热板的侧面上设置有配置成固定单个散热板的固定部。
  4. 根据权利要求1至3中任一项所述的风冷式光纤激光器，其特征在于，所述散热腔体的整体结构呈H型，所述安装结构设置在所述散热腔体外侧的凹槽内。
  5. 根据权利要求4所述的风冷式光纤激光器，其特征在于，所述凹槽的槽口安装有罩板。
  6. 根据权利要求1至5中任一项所述的风冷式光纤激光器，其特征在于，所述散热风道内设置有多个散热齿，相邻的两个所述散热齿之间形成散热槽，所述散热槽的延伸方向与所述散热风道的延伸方向一致。
  7. 根据权利要求1至6中任一项所述的风冷式光纤激光器，其特征在于，所述散热齿的一端与所述散热主体的外侧面接触，所述散热齿的另一端与设置于所述散热腔体内部的散热板接触。
  8. 根据权利要求1所述的风冷式光纤激光器，其特征在于，所述散热主体的内侧壁上设置有散热片，所述散热片与所述安装结构对应设置；
    所述散热片配置成冷却所述泵浦源。
  9. 根据权利要求1至8中任一项所述的风冷式光纤激光器，其特征在于，所述散热片的一端与所述散热主体的外侧面接触，所述散热片的另一端与设置于所述散热腔体内部的散热板接触。
  10. 根据权利要求1至9中任一项所述的风冷式光纤激光器，其特征在于，所述散热片穿过 散热腔体的侧壁，与安装结构上连接的泵浦源连接。
  11. 根据权利要求1至10中任一项所述的风冷式光纤激光器，其特征在于，所述散热腔体的侧壁上设置有嵌入槽，散热片穿过嵌入槽后，直接与所述泵浦源接触。
  12. 根据权利要求1至11中任一项所述的风冷式光纤激光器，其特征在于，所述散热主体的内侧壁上设置有导流槽，所述导流槽与所述安装结构对应设置。
  13. 根据权利要求1至12中任一项所述的风冷式光纤激光器，其特征在于，所述散热主体的外侧壁上设置有盘纤槽。
  14. 根据权利要求1至13中任一项所述的风冷式光纤激光器，其特征在于，所述风源为风扇。
  15. 根据权利要求1至14中任一项所述的风冷式光纤激光器，其特征在于，所述外壳体上设置有多个进风槽和排风槽。
PCT/CN2021/106112 2020-11-26 2021-07-13 一种风冷式光纤激光器 WO2022110830A1 (zh)

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