CN110137795A - The ultra high power all -fiber jointed fiber Optical Maser System of myriawatt rank - Google Patents

The ultra high power all -fiber jointed fiber Optical Maser System of myriawatt rank Download PDF

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Publication number
CN110137795A
CN110137795A CN201910502358.7A CN201910502358A CN110137795A CN 110137795 A CN110137795 A CN 110137795A CN 201910502358 A CN201910502358 A CN 201910502358A CN 110137795 A CN110137795 A CN 110137795A
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CN
China
Prior art keywords
laser
module
power
electronic control
output
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Pending
Application number
CN201910502358.7A
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Chinese (zh)
Inventor
杨德权
吕张勇
李辉辉
师腾飞
王英
蒋峰
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Maxphotonics Co Ltd
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Maxphotonics Co Ltd
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Priority to CN201910502358.7A priority Critical patent/CN110137795A/en
Publication of CN110137795A publication Critical patent/CN110137795A/en
Priority to PCT/CN2020/094881 priority patent/WO2020248931A1/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/02Constructional details
    • H01S3/04Arrangements for thermal management
    • H01S3/0407Liquid cooling, e.g. by water
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09Processes or apparatus for excitation, e.g. pumping
    • H01S3/091Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/0912Electronics or drivers for the pump source, i.e. details of drivers or circuitry specific for laser pumping
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/23Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/04Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
    • H01S5/042Electrical excitation ; Circuits therefor

Abstract

The embodiment of the invention provides a kind of ultra high power all -fiber jointed fiber Optical Maser Systems of myriawatt rank, comprising: total electronic control module, at least two mode of laser groups connecting respectively with total electronic control module, the Laser synthesizing module connecting with the output end of at least two mode of laser groups;Total electronic control module, for controlling being turned on or off for each mode of laser group respectively, and, the operating status of each mode of laser group and Laser synthesizing module is monitored respectively;Mode of laser group, for independently generating the laser of default first power;Laser synthesizing module, the laser of default second power for coupling the laser of the mode of laser group opened output, and after output coupling.Through the embodiment of the present invention, the output of high power laser light is realized.Meanwhile the modularized design by the way that sub- electronic control module, sub- power module, laser module to be assembled to mode of laser group is easy to commercial production so that the structure and function design of the ultra high power all -fiber jointed fiber Optical Maser System of myriawatt rank is succinct.

Description

The ultra high power all -fiber jointed fiber Optical Maser System of myriawatt rank
Technical field
The present invention relates to laser technology fields, more particularly to a kind of ultra high power all -fiber jointed fiber of myriawatt rank Optical Maser System.
Background technique
Optical fiber laser refers to the laser for using rare earth-doped fiber as working-laser material.As gain media Rare earth-doped fiber has the features such as good around flexibility, biggish volume/surface area ratio, unique guide properties, thus So that optical fiber laser is relative to other kinds of laser efficient height, good heat dissipation, beam quality height, good compatibility, structure Simple and compact, easy to use and reliable, long working life, it is easy to maintain the features such as.
Middle and high power fibre lasers are mainly used in the techniques such as the cutting, welding and cladding of metal, power in 2017 The optical fiber laser localization rate of parts and components is promoted steadily, reaches 60.5%, realizes most of import substitution.
However the domestic laser technique of high power and import laser still have certain gap, the localization rate of parts and components is only 10.6%, Especially the high power jointed fiber laser of the above rank of myriawatt is even more that can only rely on import.
Summary of the invention
In view of the above problems, it proposes the embodiment of the present invention and overcomes the above problem or at least partly in order to provide one kind A kind of ultra high power all -fiber jointed fiber Optical Maser System of the myriawatt rank to solve the above problems.
To solve the above-mentioned problems, the embodiment of the invention discloses a kind of continuous light of ultra high power all -fiber of myriawatt rank Fibre laser system, comprising:
Total electronic control module, at least two mode of laser groups and described at least two being connect respectively with total electronic control module The Laser synthesizing module of the output end connection of mode of laser group;
Total electronic control module, for controlling being turned on or off for each mode of laser group respectively, and, it supervises respectively Survey the operating status of each the mode of laser group and the Laser synthesizing module;
The mode of laser group, for independently generating the laser of default first power;
The Laser synthesizing module, it is default for coupling the laser of the mode of laser group opened output, and after output coupling The laser of second power.
Optionally, at least two modes of laser group is respectively independent, and each mode of laser group includes:
The sub- electronic control module that is connect with total electronic control module, the sub- power module being connect with the sub- electronic control module, with The output end of the sub- power module and the laser module of the sub- electronic control module connection;The laser module output end and institute State the input terminal connection of Laser synthesizing module;
The sub- electronic control module, for monitoring the operating status of the laser module and the corresponding sub- power module, And monitored results are fed back into total electronic control module;
Total electronic control module, for adjusting the output electricity of the corresponding sub- power module according to the monitored results Stream;
The sub- power module, for providing electric energy for the laser module;
The laser module, for generating the laser of default first power.
Optionally, further includes:
At least two laser Mo Zu is detachably connected to total electronic control module respectively;
The Laser synthesizing module is detachably connected at least two modes of laser group;
The sub- electronic control module is detachably connected with total electronic control module.
Optionally, the laser module includes:
Oscillation module, one end are connect with the oscillation module, the amplification mould that the other end is connect with the Laser synthesizing module Block;
The oscillation module, for generating the oscillating laser of default third power;
The amplification module is amplified for receiving the oscillating laser, and by the oscillating laser, is generated described pre- If the laser of the first power.
Optionally, the laser module further include:
The optical power feedback detector being connect with the amplification module output end, for detecting the output of the amplification module Power, and detection result is sent to total electronic control module by the sub- electronic control module, total electronic control module is used for root The output electric current of the corresponding sub- power module is adjusted according to the detection result.
Optionally, the Laser synthesizing module includes:
Laser bundling device is connect with the input optical fibre of the output optical fibre of the laser module and the laser bundling device respectively Pattern matcher;
The laser bundling device, for coupling the laser of the mode of laser group opened output, and the laser after output coupling.
Optionally, the Laser synthesizing module further include:
At least one laser module output power detector for being set on the laser bundling device input terminal is set to institute State the bundling device output power detector inside laser bundling device;
At least one described laser module output power detector, for detecting the output of at least one laser module Power, and the laser module power output feedback signal that at least one described laser module output power detector is generated is sent To total electronic control module, total electronic control module is used to be adjusted according to the laser module power output feedback signal corresponding The output electric current of the sub- power module;
The bundling device output power detector, for detecting the output power of the laser bundling device, and by the conjunction The bundling device power output feedback signal that beam device output power detector generates is sent to total electronic control module, described total automatically controlled Module is used to adjust the output electric current of the sub- power module according to the bundling device power output feedback signal.
Optionally, further includes:
One end is connect with the output end of the Laser synthesizing module, and the other end exports the fusing point of laser by transmission cable Box.
Optionally, the fusing point box includes:
Fusion point placing groove, the light echo monitoring detector being set to above the fusion point placing groove, and, fusing point box letter Number converting interface;
The fusion point of the input terminal of the output end of the Laser synthesizing module and the laser transmission cable is set to described molten Contact placing groove;
The light echo monitoring detector for monitoring the light echo power for being back to the light echo of the fusing point box, and generates back Optical feedback signal;
The fusing point box signal converting mouth, it is described for the light echo feedback signal to be sent to total electronic control module Total electronic control module is used to monitor the operating status of the fusing point box according to the light echo feedback signal.
Optionally, the quantity of the mode of laser group is 2~7.
Optionally, further includes:
The laser export head being connect by optical fiber with the output end of the Laser synthesizing module, with total electronic control module and The Switching Power Supply of the sub- electronic control module connection, dehumidifier and air-conditioning;
The Switching Power Supply, for providing electric energy for total electronic control module and the sub- electronic control module.
It optionally, further include water cooling unit;The water route of the water cooling unit includes water cooling main road and water cooling bypass;
The water cooling main road, for cooling down the laser module, the Laser synthesizing module and the dehumidifier;
The water cooling bypass, for cooling down the sub- power module and the laser export head.
It optionally, further include water-cooled plate;
The water-cooled plate, for reducing at least one described laser module, at least one described sub- power module, it is described swash The heat that photosynthesis module and fusing point box operation generate.
Optionally, further includes:
At least one the temperature feedback detector being set in the water-cooled plate;
At least one described temperature feedback detector, for detect the laser module, the Laser synthesizing module and The water cooling temperature of the fusing point box, and the water cooling temperature detected is sent to total electronic control module, total electronic control module For adjusting the operating status of the water cooling unit according to the water cooling temperature.
Optionally, further includes:
External voltage-stablizer, the master switch connecting with the external output end of voltage stabilizer, one end are connect with the master switch, separately The power module forceful electric power switch that one end is connect with the input terminal of the sub- power module, one end is connect with the master switch, another Hold the reducing transformer connecting with the air-conditioning;
The external voltage-stablizer, for exporting stable voltage;
The master switch, for controlling the voltage output of the external voltage-stablizer;
At least one power module forceful electric power switch, for controlling the voltage input of the sub- power module;
The reducing transformer, for providing stable input voltage for the air-conditioning.
Optionally, the Laser synthesizing module further include: the laser bundling device temperature inside the laser bundling device Feedback detector;
The bundling device temperature feedback detector, the temperature of the inside for detecting the laser bundling device, and will generate Bundling device temperature feedback signal be sent to total electronic control module, total electronic control module is used for according to the bundling device temperature Feedback signal adjusts the operating status of the water cooling unit.
Optionally, further includes:
Respectively at least one described laser module output power detector, the laser bundling device temperature feedback detector The Laser synthesizing module by signal converting interface connected with the laser module output power detector;
The Laser synthesizing module by signal converting interface is used for the bundling device power output feedback signal, the conjunction beam Device temperature feedback signal and the laser module power output feedback signal are sent to total electronic control module, total automatically controlled mould Block is used to adjust the son according to the bundling device power output feedback signal and the laser module power output feedback signal The output electric current of power module;Total electronic control module is used to adjust the water cooling unit according to the bundling device temperature feedback signal Operating status.
Optionally, further includes:
The laser module, the Laser synthesizing module, the sub- power module and the fusing point box are removably disposed In the Optical Maser System;The laser module and the Laser synthesizing module are located above the sub- power module, described Fusing point box is located above the laser module and the Laser synthesizing module.
The embodiment of the present invention includes following advantages:
The embodiment of the present invention is turned on or off by total electric control module controls mode of laser group;And pass through total automatically controlled mould The operating status of block monitoring mode of laser group and Laser synthesizing module;To realize the closed-loop control to Optical Maser System.
The multiple mode of laser groups of the total electric control module controls of the embodiment of the present invention export laser, and will be defeated via Laser synthesizing module Laser coupled out, to realize the output of high power laser light.Meanwhile by by sub- electronic control module, sub- power module, mode of laser Set of blocks at mode of laser group modularized design so that the ultra high power all -fiber jointed fiber Optical Maser System of myriawatt rank Structure and function design is succinct, it is easy to accomplish commercial production.
Detailed description of the invention
Fig. 1 is a kind of structural frames of the ultra high power all -fiber jointed fiber Optical Maser System of myriawatt rank of the invention Figure;
Fig. 2 is a kind of structural frames of the ultra high power all -fiber jointed fiber Optical Maser System of myriawatt rank of the invention Figure;
Fig. 3 is a kind of light path system of the ultra high power all -fiber jointed fiber Optical Maser System of myriawatt rank of the invention Structural block diagram;
Fig. 4 is a kind of water-cooling system of the ultra high power all -fiber jointed fiber Optical Maser System of myriawatt rank of the invention Structural block diagram;
Fig. 5 is a kind of power-supply system of the ultra high power all -fiber jointed fiber Optical Maser System of myriawatt rank of the invention Structural block diagram;
Fig. 6 is a kind of electric-control system of the ultra high power all -fiber jointed fiber Optical Maser System of myriawatt rank of the invention Structural block diagram;
Fig. 7 is a kind of a kind of implementation of the ultra high power all -fiber jointed fiber Optical Maser System of myriawatt rank of the invention The structural block diagram of case.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real Applying mode, the present invention is described in further detail.
Referring to Fig.1, a kind of ultra high power all -fiber jointed fiber Optical Maser System of myriawatt rank of the invention is shown Structural block diagram, can specifically include following module:
Total electronic control module 101, at least one the mode of laser group 102 connect respectively with total electronic control module and it is described extremely The Laser synthesizing module 103 of the output end connection of a few mode of laser group;
Total electronic control module 101, for controlling being turned on or off for each mode of laser group 102 respectively, and, The operating status of each the mode of laser group 102 and the Laser synthesizing module 103 is monitored respectively;
The mode of laser group 102, for independently generating the laser of default first power;
The Laser synthesizing module 103, the laser exported for coupling the mode of laser group 102 opened, and after output coupling Default second power laser.
In embodiments of the present invention, total electronic control module 101 is connected with mode of laser group 102 and Laser synthesizing module 103, The feedback signal from mode of laser group 102 and Laser synthesizing module 103 is received, to monitor mode of laser group 102 and Laser synthesizing mould The operating status of block 103.Meanwhile the quantity of the mode of laser group 102 enabled or disabled is controlled based on the feedback signal.
Mode of laser group 102 is used to export the laser of certain power, and the upper limit of laser power is excited the specification of optical mode group 102 Limitation.
The laser coupled that Laser synthesizing module 103 is used to export at least one mode of laser group 102 is defeated to the same optical path Out, to realize high-power laser output.
The quantity of the mode of laser group is 2~7.In one example, 3~7 modes of laser such as 4000W can be selected Group 102 is supplied laser for system.The size of the laser general power that total electronic control module 101 exports as needed determines mode of laser The enabling number of group 102.For example, 5 mode of laser groups 102,5 can be opened when needing to export the laser power of 20000W The laser that mode of laser group 102 exports can export the laser of 20000W after coupling by Laser synthesizing module 103.
Referring to Fig. 2, a kind of ultra high power all -fiber jointed fiber Optical Maser System of myriawatt rank of the invention is shown Structural block diagram.
In embodiments of the present invention, at least two modes of laser group is respectively independent, and each mode of laser group 102 can be with It include: the sub- electronic control module 1021 being connect with total electronic control module 101, the sub- power supply that is connect with the sub- electronic control module 1021 Module 1022, the laser module being connect with the output end of the sub- power module 1022 and the sub- electronic control module 1021 1023;1023 output end of laser module is connect with the input terminal of the Laser synthesizing module 103;
The sub- electronic control module 1021, for monitoring the laser module 1023 and the corresponding sub- power module 1022 Operating status, and monitored results are fed back into total electronic control module 101;Total electronic control module 101 is used for according to Monitored results adjust the output electric current of the corresponding sub- power module 1022;
The sub- power module 1022, for providing electric energy for the laser module 1023;
The laser module 1023, for generating the laser of default first power.
In embodiments of the present invention, at least two modes of laser group 102 is detachably connected to total automatically controlled mould respectively Block 101;The Laser synthesizing module 103 is detachably connected at least two modes of laser group 102;The sub- electronic control module 1031 are detachably connected with total electronic control module 101.
In embodiments of the present invention, each mode of laser group 102 can be with independent operating, and can be with other mode of laser groups 102 It cooperates.Each mode of laser group 102 is by a sub- power module 1022 of sub- electronic control module 1021, one and a laser Module 1023 forms.
Sub- electronic control module 1021 is used to monitor the operating status of laser module 1023 and sub- power module 1022, and will monitoring As a result total electronic control module 101 is fed back to, so that total electronic control module 101 can be according to the feedback information of sub- electronic control module 1021 To control the operation of sub- power module 1022 and laser module 1023.
Sub- power module 1022 is used to provide electric energy for laser module 1023.
Laser module 1023 is used to generate the laser of default first power.
In embodiments of the present invention, sub- electronic control module 1021, sub- power module 1022 and laser module 1023 are integrated into Mode of laser group 102, so that the ultra high power all -fiber jointed fiber Optical Maser System structure and function design of entire myriawatt rank It is very succinct, it is easy to accomplish commercial production.
In embodiments of the present invention, the laser module 1023 includes:
Oscillation module, one end are connect with the oscillation module, the amplification mould that the other end is connect with the Laser synthesizing module Block;
The oscillation module, for generating the oscillating laser of default third power;
The amplification module is amplified for receiving the oscillating laser, and by the oscillating laser, is generated described pre- If the laser of the first power.
In one example, by taking the laser module of 4000W 1023 as an example, the laser module 1023 of 4000W is by 1000W rank Oscillation module and 4000W rank amplification module form.The pump light that the laser generation module of 1000W rank absorbs input turns Initial 1000W laser is turned to, the amplification module that initial 1000W laser enters back into 4000W rank is amplified to the laser of 4000W Output.Sub- power module 1022 provides energy for pumping source, and excitation generates pump light.
In embodiments of the present invention, the laser module 102 further include:
The optical power feedback detector being connect with the amplification module output end, for detecting the output of the amplification module Power, and detection result is sent to total electronic control module 101, total electronic control module by the sub- electronic control module 1021 101 for adjusting the output electric current of the corresponding sub- power module 1022 according to the detection result.
In embodiments of the present invention, amplification module output power needs to keep stablizing, and just can guarantee laser stablizes output. For this purpose, setting optical power feedback detector can be brought out in the output of amplification module, for detecting the output power of amplification module, And the result detected is fed back into total electronic control module 101, convenient for total electronic control module 101 according to the output power of amplification module The small size of current to sub- power module 1022 input laser module 1023 is adjusted.
In embodiments of the present invention, the Laser synthesizing module 103 includes:
Laser bundling device 1031, the respectively input with the output optical fibre of the laser module 1023 and the laser bundling device The pattern matcher 1032 of optical fiber connection;
The laser bundling device 1031, swashing for coupling the laser of the mode of laser group opened output, and after output coupling Light.
In embodiments of the present invention, pattern matcher 1032 is made of the optical fiber of two kinds of different sizes, input optical fibre and swash The output optical fibre of optical mode group 102 is consistent, and the input optical fibre of output optical fibre and laser bundling device 1031 is consistent, and completes two The low-loss connection of kind different size optical fiber.The total of laser bundling device 1031 can have 7 input optical fibres and 1 output optical fibre, Every input optical fibre all can receive the laser that mode of laser group 102 exports;The output optical fibre of laser bundling device 1031 will be for that will receive The laser coupled from mode of laser group 102 exported into identical optical path.
In embodiments of the present invention, the Laser synthesizing module 103 further include:
It is set at least one laser module output power detector on 1031 input terminal of laser bundling device, setting Bundling device output power detector inside the laser bundling device 1031;
At least one described laser module output power detector, for detecting at least one laser module 1023 Output power, and the laser module power output feedback signal that at least one described laser module output power detector is generated It is sent to total electronic control module 101, total electronic control module 101 is used for according to the laser module power output feedback signal Adjust the output electric current of the corresponding sub- power module 1022;
The bundling device output power detector, for detecting the output power of the laser bundling device 1031, and by institute The bundling device power output feedback signal for stating the generation of bundling device output power detector is sent to total electronic control module 101, institute Total electronic control module 101 is stated for adjusting the output of the sub- power module 1022 according to the bundling device power output feedback signal Electric current.
In embodiments of the present invention, the power monitoring detector in Laser synthesizing module 103 may include bundling device output Power detector and laser module output power detector, wherein bundling device output power detector is located at laser bundling device 1031 Inside, for monitoring the watt level after Laser synthesizing;Laser module output power detector is located at laser bundling device 1031 On input optical fibre, the watt level of every input optical fibre is monitored respectively.And the feedback signal of generation is sent to total electronic control module 101 so that total electronic control module 101 can regulator power module 1022 based on the feedback signal output electric current, swash to adjust The output power of photosynthesis module 103.
Fig. 3 is a kind of light of the ultra high power all -fiber jointed fiber Optical Maser System of myriawatt rank of the embodiment of the present invention Road system construction drawing, in embodiments of the present invention, light path system specifically includes: laser module 1023, Laser synthesizing module 103, Wherein, laser module 1023 is coupled for providing initial laser, the initial laser that Laser synthesizing module 103 is used to provide 1023 Extremely exported in same optical path.
As shown in figure 3, in embodiments of the present invention, can also include:
The laser export head 105 being connect by optical fiber with the output end of the Laser synthesizing module 103;With it is described total automatically controlled The Switching Power Supply that module is connected with the sub- electronic control module, dehumidifier and air-conditioning.
In embodiments of the present invention, the laser from Laser synthesizing module 103 can be exported by laser export head 105, be made For material to be processed.
As shown in figure 3, in embodiments of the present invention, can also include:
One end is connect with the output end of the Laser synthesizing module 103, the input of the other end and the laser export head 105 Hold the fusing point box 106 of connection;The fusing point box 106 is connect with the laser export head 105 by laser transmission cable 107.
In embodiments of the present invention, fusing point box 106 is used to complete the switching of Laser synthesizing module 103 Yu transmission cable 107 Connection facilitates the maintenance replacement of laser export head 105 when something goes wrong, the output optical fibre and transmission light of Laser synthesizing module 103 The input optical fibre of cable 107 completes connection in fusing point box 106.
As shown in figure 3, in embodiments of the present invention, the fusing point box 106 may include:
Fusion point placing groove, the light echo monitoring detector being set to above the fusion point placing groove, and, fusing point box letter Number converting interface;
The light echo monitoring detector for monitoring the light echo power for being back to the light echo of the fusing point box 106, and generates Light echo feedback signal;
The output end of the Laser synthesizing module 103 is set with the fusion point of the input terminal of the laser transmission cable 107 In the fusion point placing groove;
Institute's fusing point box signal converting mouth, for the light echo feedback signal to be sent to total electronic control module 101, Total electronic control module 101 is used to monitor the operating status of the fusing point box 106 according to the light echo feedback signal.
In embodiments of the present invention, fusing point box 106 can be believed by light echo monitoring detector, fusion point placing groove and fusing point box Number converting interface composition.The output optical fibre of Laser synthesizing module 103 and the input optical fibre of transmission cable 107 are complete in fusing point box 106 At connection.
Since fusion point good heat radiating ability long-time stable reliably works, otherwise it is easy to blow, and then burn entire Optical path;Therefore fusion point can be placed in fusion point placing groove and guarantees good heat radiating.
When designing fusion point placing groove, it is contemplated that optical fiber be it is circular, fusion point placing groove can be designed to and optical fiber There is the form of large contact area, enables extra heat in optical fiber in time by metal contact from fusion point placing groove Export;In addition, fusion point placing groove can also prevent optical fiber mobile.
The light echo that light echo monitoring detector is used to monitor transmission laser in optical path is burnt since light leakage is more at fusion point Risk is high, light echo monitoring detector can be placed in above fusion point, transmit laser in optical path so as to preferably monitor Characteristic, can preferably monitor the light echo size in fusing point box 106.
Light echo monitoring detector can generate feedback signal according to light echo watt level, will by fusion point signal converting mouth Feedback signal is sent to total electronic control module 101, to realize the communication between total electronic control module 101.
Fusing point box signal converting mouth is arranged on fusing point outer box wall, receives the detector feedback inside fusing point box 106 Signal, and be forwarded to total electronic control module 101.
In embodiments of the present invention, the ultra high power all -fiber jointed fiber Optical Maser System of the myriawatt rank can be with Including water-cooled plate;
The water-cooled plate, for reducing at least two laser module 1023, at least two sub- power module 1022, the heat that the Laser synthesizing module 103 and the fusing point box 106 operation generate.
In embodiments of the present invention, the ultra high power all -fiber jointed fiber Optical Maser System of the myriawatt rank can be with Include:
At least one the temperature feedback detector being set in the water-cooled plate;
At least one described temperature feedback detector, for detect the laser module, the Laser synthesizing module and The water cooling temperature of the fusing point box.
Referring to Fig. 4, a kind of ultra high power all -fiber jointed fiber Optical Maser System of myriawatt rank of the invention is shown Water cooling system structure block diagram.
As shown in figure 4, can also include water cooling unit 110 in embodiments of the present invention;It wraps in the water route of the water cooling unit 110 Include water cooling main road 1101 and water cooling bypass 1102;
The water cooling main road 1101, for cooling down the laser module 102, the Laser synthesizing module 103 and described Dehumidifier 108;
The water cooling bypass 1102, for cooling down the sub- power module 1022 and the laser export head 105.
In embodiments of the present invention, the ultra high power all -fiber jointed fiber Optical Maser System of myriawatt rank is carried out with electric power Driving, however photoelectric conversion efficiency can generally be dissipated in 30~40% or so, about 60~70% energy in the form of heat It loses, therefore it is just very necessary radiate to the device and module that generate heat.
The water route of water cooling unit 110 may include 1102 two-way water circulation path of water cooling main road 1101 and water cooling bypass, wherein The big water temperature of the water flow of water cooling main road 1101 is low to be mainly used for the big part of cooling calorific value, and e.g., laser module 102, laser close At module 103, dehumidifier 108;The small water temperature height of 1102 water flow of water cooling bypass is mainly used for the small part of cooling calorific value, such as son Power module 1022 and laser export head 105.
It in embodiments of the present invention, can also include dehumidifier 108 and air-conditioning 109.
In embodiments of the present invention, dehumidifier 108 and air-conditioning 109 can be to avoid the reliable of internal system moisture condensation influence system Operation.Humidity is relatively small, and the not high environment of temperature can only use dehumidifier 108 and carry out moisture condensation control to save electric energy;It is high Warm high humidity environment prevents from condensing together in combination with air-conditioning 109 and dehumidifier 108.Double anti-dew designs can preferably be compatible with anti-condensation With energy consumption demand for control.
Referring to Fig. 5, a kind of ultra high power all -fiber jointed fiber Optical Maser System of myriawatt rank of the invention is shown Power system structure block diagram, the power-supply system can specifically include:
External voltage-stablizer 111, the master switch 112 connecting with external 111 output end of voltage-stablizer, one end are always opened with described Close 112 connection, the power module forceful electric power switch 113 that the other end is connect with the input terminal of the sub- power module 1022, one end and The master switch 112 connects, the reducing transformer 114 that the other end is connect with the air-conditioning 109;
The external voltage-stablizer 111, for exporting stable voltage;
The master switch 112, for controlling the voltage output of the external voltage-stablizer 111;
At least one described power module forceful electric power switch 113, for controlling the voltage input of the sub- power module 1022;
The reducing transformer 114, for providing stable input voltage for the air-conditioning 109.
As shown in figure 5, in embodiments of the present invention, further includes: with total electronic control module 102 and the sub- electronic control module The Switching Power Supply 115 of 1021 connections;
The Switching Power Supply 115, for providing electric energy for total electronic control module 101 and the sub- electronic control module 1021.
In embodiments of the present invention, sub- electronic control module 1021 is integrated in the same mode of laser group with sub- power module 1022 In 102, but sub- electronic control module 1021 can not supply electric energy by sub- power module 1022, but can be with total electronic control module 101 It is controlled together by Switching Power Supply 115.
As shown in figure 5, in embodiments of the present invention, the Switching Power Supply is also used to provide electric energy for the dehumidifier 108.
As shown in figure 5, in one example, the city of 380V is electrically accessed external voltage-stablizer 111, the electricity of external voltage-stablizer output Stream respectively enters each sub- power module 1022, switch 115, reducing transformer 114 again after master switch 112.Wherein, into each The 380V electric current of sub- power module 1022 is controlled by a power module forceful electric power switch 113, can according to need to every height electricity Source module 1022 is independently controlled;Every sub- power module 1022 is that corresponding laser module 1023 provides suitable direct current Electric energy, laser module 1023 could export corresponding laser under the driving of direct current energy.Every sub- power module 1022 To be communicated with total electronic control module 101, total electronic control module 101 can be by controlling the size of input direct-current electric energy come to output The power of laser is controlled.Switching Power Supply 115 is that dehumidifier 108, total electronic control module 101 and sub- electronic control module 1021 supply Electricity.Reducing transformer 114 can choose 380V and turn 220V reducing transformer, can by the 220V alternating current that 380V turns after the conversion of 220V reducing transformer Think that air-conditioning 109 is powered.
Referring to Fig. 6, a kind of ultra high power all -fiber jointed fiber Optical Maser System of myriawatt rank of the present invention is shown Electrical control system structure block diagram.
In embodiments of the present invention, the Laser synthesizing module 103 further include: be located inside the laser bundling device 1031 Laser bundling device temperature feedback detector;
The bundling device temperature feedback detector, the temperature of the inside for detecting the laser bundling device 1031, and will The bundling device temperature feedback signal of generation is sent to total electronic control module, and total electronic control module 101 is used for according to the conjunction Beam device temperature feedback signal adjusts the operating status of the water cooling unit 110.
In embodiments of the present invention, can also include: respectively at least one described laser module output power detector, The Laser synthesizing module letter that the laser bundling device temperature feedback detector is connected with the laser module output power detector Number converting interface;
The Laser synthesizing module by signal converting interface is used for the bundling device power output feedback signal, the conjunction beam Device temperature feedback signal and the laser module power output feedback signal are sent to total electronic control module 101, total electricity Module 101 is controlled to be used to be adjusted according to the bundling device power output feedback signal and the laser module power output feedback signal The output electric current of the sub- power module 1022;Total electronic control module 101 is used for according to the bundling device temperature feedback signal Adjust the operating status of the water cooling unit 110.
As shown in fig. 6, control involved in each mode of laser group 102 and feedback signal constitute a sub- electronic control module 1021 control and perceived content;Sub- 1021 inside of electronic control module individually, is independently realized operation, control, feedback, is monitored, early warning, There is a control platelet to handle above-mentioned all signals, processing result can be communicated with total electronic control module 101;It is total automatically controlled Module 101 is handled and is controlled to the signal of the ultra high power all -fiber jointed fiber Optical Maser System of entire myriawatt rank, The information realization of comprehensive various aspects to the operation of the ultra high power all -fiber jointed fiber Optical Maser System of myriawatt rank, control, Feedback, monitoring, early warning.In embodiments of the present invention, total electronic control module 101 signal to be dealt with is in addition to sub- electronic control module 1021 Signal of communication outside, can also have air-conditioning 109, the feedback signal of dehumidifier 108, the feedback signal of fusing point box 106, Laser synthesizing Feedback signal, QBH cable signal, lathe communications control signal, spare feedback control signal, the communication display control of module 103 Signal;The external output signal of entire electric-control system only has power control signal, and wherein power control signal includes to reset letter again Number, enable signal, increase and decrease current signal, entire electric-control system is largely determined for the processing of power control signal Controlled efficiency.
All automatically controlled signals, mainly there is optical signal and two kinds of temperature signal, all use photoelectricity to the detection of optical signal Detector converts optical signal into corresponding electric signal and is handled, to realize the real-time sense for light path part operating status Know;Temperature signal is existing to be all made of temperature from also mechanical system, all temperature signals of light path system, power-supply system Degree sensor is converted into corresponding electric signal and is handled, to realize the real-time sense for whole system fever and heat dispersal situations Know, guarantees the safety and normal operation of the ultra high power all -fiber jointed fiber Optical Maser System of entire myriawatt rank.Except this it Outside, there are also the humidity and temperature signal of air-conditioning 109 and dehumidifier 108, the working environment state in whole cabinet can be monitored;Swash The monitoring to laser output power and the protection to laser transmission cable 107 may be implemented in the feedback signal of light output head 105; Lathe communications control signal may be implemented jointly controlling for laser and machining tool, realize the machining control of lathe;Communication is aobvious Show control signal, external connection apparatus may be implemented, the control of laser and operation are monitored;Spare control signal may be implemented For entire laser emergent stopping to protect laser.
Referring to Fig. 7, a kind of ultra high power all -fiber jointed fiber Optical Maser System of myriawatt rank of the present invention is shown A kind of structural block diagram of case study on implementation.
In embodiments of the present invention, the laser module, the Laser synthesizing module, the sub- power module and described molten Point box is removably disposed in the Optical Maser System;The laser module and the Laser synthesizing module are located at the son electricity Above source module, the fusing point box is located above the laser module and the Laser synthesizing module.
For Fig. 7 by taking the Optical Maser System of 24000W as an example, the city of 380V is electrically accessed external voltage-stablizer 111, opens master switch 112 With the power module forceful electric power switch 113 of 6 sub- power modules 1022,380V electric main respectively enters 6 sub- power modules 1022 input terminal 701 exports after converting by 6 sub- power modules 1022 from the output end 702 of sub- power module 1022 The direct current of 6 road voltage adaptives;The direct current of this 6 road voltage adaptive inputs the defeated of the laser module 1021 of 6 4000W again Enter end 703, converts 4000W laser from the defeated of laser module 1021 for input dc power by the laser module 1021 of 4000W Outlet 704 inputs the input terminal 705 of Laser synthesizing module 103, is by 6 road 4000W Laser synthesizings in Laser synthesizing module 103 1 road 24000W laser is transmitted to the input terminal 707 of fusing point box 106 from the output end 706 of Laser synthesizing module 103;Fusing point box 106 24000W laser is exported from output end 708;6 sub- power modules 1022 are in the layout of the bottom of entire Optical Maser System, in Between be 6 4000W laser module 1023 and 1 Laser synthesizing module 103, fusing point box 106 is in the layout of the top and is convenient for changing Laser transmission cable 107.The laser output of 24000W can be realized by the Optical Maser System.
The embodiment of the present invention includes following advantages: the multiple mode of laser group outputs of the total electric control module controls of the embodiment of the present invention swash Light, and laser coupled will be exported via Laser synthesizing module, so that 25000W such as can be achieved in the output for realizing high power laser light The commercialization large-scale promotion of laser.Meanwhile by the way that sub- electronic control module, sub- power module, laser module are assembled laser The modularized design of mould group, so that the structure and function of the ultra high power all -fiber jointed fiber Optical Maser System of myriawatt rank is set Meter is succinct, it is easy to accomplish commercial production.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can provide as method, apparatus or calculate Machine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer can With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code The form of the computer program product of implementation.
The embodiment of the present invention be referring to according to the method for the embodiment of the present invention, terminal device (system) and computer program The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram The device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart And/or in one or more blocks of the block diagram specify function the step of.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
Above to a kind of ultra high power all -fiber jointed fiber Optical Maser System of myriawatt rank provided by the present invention, into It has gone and has been discussed in detail, used herein a specific example illustrates the principle and implementation of the invention, the above implementation The explanation of example is merely used to help understand method and its core concept of the invention;Meanwhile for the general technology people of this field Member, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion this explanation Book content should not be construed as limiting the invention.

Claims (18)

1. a kind of ultra high power all -fiber jointed fiber Optical Maser System of myriawatt rank characterized by comprising
Total electronic control module, at least two mode of laser groups being connect respectively with total electronic control module and at least two laser The Laser synthesizing module of the output end connection of mould group;
Total electronic control module, for controlling being turned on or off for each mode of laser group respectively, and, monitoring is each respectively The operating status of a the mode of laser group and the Laser synthesizing module;
The mode of laser group, for independently generating the laser of default first power;
The Laser synthesizing module, default second for coupling the laser of the mode of laser group opened output, and after output coupling The laser of power.
2. system according to claim 1, which is characterized in that at least two modes of laser group is respectively independent, Mei Gesuo Stating mode of laser group includes:
The sub- electronic control module that is connect with total electronic control module, the sub- power module being connect with the sub- electronic control module, with it is described The output end of sub- power module and the laser module of the sub- electronic control module connection;The output end of the laser module with it is described The input terminal of Laser synthesizing module connects;
The sub- electronic control module, for monitoring the operating status of the laser module and the corresponding sub- power module, and will Monitored results feed back to total electronic control module;
Total electronic control module, for adjusting the output electric current of the corresponding sub- power module according to the monitored results;
The sub- power module, for providing electric energy for the laser module;
The laser module, for generating the laser of default first power.
3. system according to claim 2, which is characterized in that further include:
At least two laser Mo Zu is detachably connected to total electronic control module respectively;
The Laser synthesizing module is detachably connected at least two modes of laser group;
The sub- electronic control module is detachably connected with total electronic control module.
4. system according to claim 2, which is characterized in that the laser module includes:
Oscillation module, one end are connect with the oscillation module, the amplification module that the other end is connect with the Laser synthesizing module;
The oscillation module, for generating the oscillating laser of default third power;
The amplification module is amplified for receiving the oscillating laser, and by the oscillating laser, generates described default the The laser of one power.
5. system according to claim 4, which is characterized in that the laser module further include:
The optical power feedback detector being connect with the amplification module output end, for detecting the output work of the amplification module Rate, and detection result is sent to total electronic control module by the sub- electronic control module, total electronic control module is used for basis The detection result adjusts the output electric current of the corresponding sub- power module.
6. system according to claim 1, which is characterized in that the Laser synthesizing module includes:
Laser bundling device, the mould being connect respectively with the input optical fibre of the output optical fibre of the laser module and the laser bundling device Formula adaptation;
The laser bundling device, for coupling the laser of the mode of laser group opened output, and the laser after output coupling.
7. system according to claim 6, which is characterized in that the Laser synthesizing module further include:
At least one laser module output power detector for being set on the laser bundling device input terminal is set to and described swashs Bundling device output power detector inside combiner device;
At least one described laser module output power detector, for detecting the output work of at least one laser module Rate, and the laser module power output feedback signal that at least one described laser module output power detector generates is sent to Total electronic control module, total electronic control module are used to adjust corresponding institute according to the laser module power output feedback signal State the output electric current of sub- power module;
The bundling device output power detector, for detecting the output power of the laser bundling device, and by the bundling device The bundling device power output feedback signal that output power detector generates is sent to total electronic control module, total electronic control module For adjusting the output electric current of the sub- power module according to the bundling device power output feedback signal.
8. system according to claim 3, which is characterized in that further include:
One end is connect with the output end of the Laser synthesizing module, and the other end exports the fusing point box of laser by transmission cable.
9. system according to claim 8, which is characterized in that the fusing point box includes:
Fusion point placing groove, the light echo monitoring detector being set to above the fusion point placing groove, and, fusing point box signal turns Interface;
The fusion point of the input terminal of the output end of the Laser synthesizing module and the laser transmission cable is set to the fusion point In placing groove;
The light echo monitoring detector, for monitoring the light echo power for being back to the light echo of the fusing point box, and it is anti-to generate light echo Feedback signal;
The fusing point box signal converting mouth, for the light echo feedback signal to be sent to total electronic control module, total electricity Control module is used to monitor the operating status of the fusing point box according to the light echo feedback signal.
10. system according to claim 1, which is characterized in that the quantity of the mode of laser group is 2~7.
11. system according to claim 9, which is characterized in that further include:
The laser export head being connect by optical fiber with the output end of the Laser synthesizing module, with total electronic control module and described The Switching Power Supply of sub- electronic control module connection, dehumidifier and air-conditioning;
The Switching Power Supply, for providing electric energy for total electronic control module and the sub- electronic control module.
12. system according to claim 11, which is characterized in that further include water cooling unit;The water route of the water cooling unit includes Water cooling main road and water cooling bypass;
The water cooling main road, for cooling down the laser module, the Laser synthesizing module and the dehumidifier;
The water cooling bypass, for cooling down the sub- power module and the laser export head.
13. system according to claim 12, which is characterized in that further include water-cooled plate;
The water-cooled plate is closed for reducing at least one described laser module, at least one described sub- power module, the laser The heat generated at module and fusing point box operation.
14. system according to claim 13, which is characterized in that further include:
At least one the temperature feedback detector being set in the water-cooled plate;
At least one described temperature feedback detector, for detecting the laser module, the Laser synthesizing module and described The water cooling temperature of fusing point box, and the water cooling temperature detected is sent to total electronic control module, total electronic control module is used for The operating status of the water cooling unit is adjusted according to the water cooling temperature.
15. system according to claim 14, which is characterized in that further include:
External voltage-stablizer, the master switch connecting with the external output end of voltage stabilizer, one end are connect with the master switch, the other end The power module forceful electric power switch connecting with the input terminal of the sub- power module, one end connect with the master switch, the other end and The reducing transformer of the air-conditioning connection;
The external voltage-stablizer, for exporting stable voltage;
The master switch, for controlling the voltage output of the external voltage-stablizer;
At least one power module forceful electric power switch, for controlling the voltage input of the sub- power module;
The reducing transformer, for providing stable input voltage for the air-conditioning.
16. system according to claim 12, which is characterized in that the Laser synthesizing module further include: be located at described sharp Laser bundling device temperature feedback detector inside combiner device;
The bundling device temperature feedback detector, the temperature of the inside for detecting the laser bundling device, and by the conjunction of generation Beam device temperature feedback signal is sent to total electronic control module, and total electronic control module is used for according to the bundling device temperature feedback The operating status of water cooling unit described in Signal Regulation.
17. system according to claim 16, which is characterized in that further include:
Respectively at least one described laser module output power detector, the laser bundling device temperature feedback detector and institute State the Laser synthesizing module by signal converting interface of laser module output power detector connection;
The Laser synthesizing module by signal converting interface is used for the bundling device power output feedback signal, the bundling device temperature Degree feedback signal and the laser module power output feedback signal are sent to total electronic control module, and total electronic control module is used According to the bundling device power output feedback signal and the laser module power output feedback signal adjusting sub- power supply The output electric current of module;Total electronic control module is used to adjust the fortune of the water cooling unit according to the bundling device temperature feedback signal Row state.
18. system according to claim 8, which is characterized in that further include:
The laser module, the Laser synthesizing module, the sub- power module and the fusing point box are removably disposed in institute It states in Optical Maser System;The laser module and the Laser synthesizing module are located above the sub- power module, the fusing point Box is located above the laser module and the Laser synthesizing module.
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Application publication date: 20190816