CN104836099A - Optical fiber laser system and monitoring device thereof - Google Patents
Optical fiber laser system and monitoring device thereof Download PDFInfo
- Publication number
- CN104836099A CN104836099A CN201510257417.0A CN201510257417A CN104836099A CN 104836099 A CN104836099 A CN 104836099A CN 201510257417 A CN201510257417 A CN 201510257417A CN 104836099 A CN104836099 A CN 104836099A
- Authority
- CN
- China
- Prior art keywords
- laser system
- fiber ring
- optical fibre
- ring laser
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention relates to a monitoring device of an optical fiber laser system, which is used for monitoring the operating state of the optical fiber laser system. The monitoring device comprises a temperature monitoring module, a light intensity monitoring module and a main controller, wherein the temperature monitoring module comprises a plurality of temperature detectors which are arranged at different positions in the optical fiber laser system and used for monitoring the temperature at the corresponding positions in real time and forming temperature signal output; the light intensity monitoring module comprises a plurality of photoelectric detectors which are arranged at different positions in the optical fiber laser system and used for monitoring the light intensity at the corresponding positions in real time and forming light intensity signal output; the main controller is used for receiving temperature signals and light intensity signals, and judging whether the optical fiber laser system operates normally or not according to the temperature signals and the light intensity signals; and the main controller is further used for generating alarm information when the optical fiber laser system is judged not to operate normally, and controlling the optical fiber laser system to stop operating. The optical fiber laser system provided by the invention has good safety and stability. The invention further relates to an optical fiber laser system.
Description
Technical field
The present invention relates to fiber laser technology field, particularly relate to a kind of supervising device of fiber ring laser system, also relate to a kind of fiber ring laser system.
Background technology
The advantages such as fiber laser is high with its conversion efficiency, good beam quality are widely used in materials processing, beauty treatment and the technical field such as medical treatment, military science and technology, optical fiber communication.Wherein, high-capacity optical fiber laser is mainly used in materials processing and process aspect, especially metal material cutting with weld aspect.High-capacity optical fiber laser drives with electric power, and its electro-optical efficiency is about 30%, and the energy of nearly 70% will lose with the form of heat.Because its power output is high, high-capacity optical fiber laser has the advantages that caloric value is high, risk is high, its stability and fail safe poor.
Summary of the invention
Based on this, be necessary for the problems referred to above, the supervising device of a kind of fail safe and the higher fiber ring laser system of stability is provided.
A kind of fail safe and the higher fiber ring laser system of stability are also provided.
A kind of supervising device of fiber ring laser system, for monitoring the running status of described fiber ring laser system, comprise: temperature monitoring module, comprise multiple hygrosensor, be arranged at the diverse location place in described fiber ring laser system respectively, for the temperature of Real-Time Monitoring corresponding position and formation temperature signal export; Intensity monitor module, comprises multiple photodetector, is arranged at the diverse location place in described fiber ring laser system respectively, for Real-Time Monitoring corresponding position light intensity and formed light intensity signal export; And master controller, respectively with described temperature monitoring module, described intensity monitor model calling, for receiving described temperature signal and described light intensity signal, and judge whether described fiber ring laser system normally runs according to described temperature signal and described light intensity signal; Described master controller also for producing warning message when judging that described fiber ring laser system does not normally run, controlling described fiber ring laser system and quitting work.
Wherein in an embodiment, described supervising device also comprises memory, for the default range of light intensity of the preset temperature range and each photodetector that store each hygrosensor; Described master controller be used for the temperature signal that any hygrosensor monitors not in its preset temperature range or the light intensity signal that monitors of any photodetector not in its default range of light intensity time, generate warning message; Described memory is also for storing described warning message.
Wherein in an embodiment, described supervising device also comprises alarm module, is connected with described master controller, for receiving described warning message and giving the alarm according to described warning message.
A kind of fiber ring laser system, comprises the supervising device for monitoring the running status of described fiber ring laser system; Described supervising device comprises: temperature monitoring module, comprises multiple hygrosensor, is arranged at the diverse location place in described fiber ring laser system respectively, for the temperature of Real-Time Monitoring corresponding position and formation temperature signal export; Intensity monitor module, comprises multiple photodetector, is arranged at the diverse location place in described fiber ring laser system respectively, for Real-Time Monitoring corresponding position light intensity and formed light intensity signal export; And master controller, respectively with described temperature monitoring module, described intensity monitor model calling, for receiving described temperature signal and described light intensity signal, and judge whether described fiber ring laser system normally runs according to described temperature signal and described light intensity signal; Described master controller also for producing warning message when judging that described fiber ring laser system does not normally run, controlling described fiber ring laser system and quitting work.
Wherein in an embodiment, described fiber ring laser system comprises fiber laser group module and bundling device module; Described fiber laser group module comprises multiple sub-optical fibre laser; The output optical fibre of described multiple sub-optical fibre laser is connected with the input optical fibre of described bundling device module respectively; Described temperature monitoring module comprises the hygrosensor be arranged in each sub-optical fibre laser and described bundling device module; Described intensity monitor module comprises the photodetector be arranged in each sub-optical fibre laser and described bundling device module.
Wherein in an embodiment, described sub-optical fibre laser comprises semiconductor laser diode, optical module and output optical fibre; Described optical module comprises reflecting grating, gain fibre, output grating and the first cladding light arrester; The pump light that semiconductor laser diode sends sequentially through after forming flashlight after reflecting grating, gain fibre, output grating through being exported by described output optical fibre; Described first cladding light arrester is for removing the cladding light in described output optical fibre; The hygrosensor be arranged in each sub-optical fibre laser comprises and is arranged at the input of the first cladding light arrester and the hygrosensor of output respectively; The photodetector be arranged in described each sub-optical fibre laser comprise be arranged at described optical module after to end and the photodetector that is arranged on the output optical fibre of described sub-optical fibre laser.
Wherein in an embodiment, the output optical fibre of each sub-optical fibre laser adopts the mode of welding to be connected with the input optical fibre of bundling device module; Described multiple photodetector comprises the photodetector on the fusion point being arranged at the output optical fibre of each sub-optical fibre laser and both input optical fibres of bundling device module.
Wherein in an embodiment, the output optical fibre of described bundling device module is connected with the output optical cable of described fiber ring laser system by the mode of welding; The photodetector be arranged in bundling device module comprise be arranged in described bundling device module respectively, photodetector on the input optical fibre of described bundling device module and on the output optical fibre of described bundling device module and the fusion point of described both output optical cables.
Wherein in an embodiment, described bundling device module comprises the second cladding light arrester; The hygrosensor be arranged in bundling device module comprises and is arranged at the described input of the second cladding light arrester and the hygrosensor of output respectively.
Wherein in an embodiment, described supervising device also comprises memory, for the default range of light intensity of the preset temperature range and each photodetector that store each hygrosensor; Described master controller be used for the temperature signal that any hygrosensor monitors not in its preset temperature range or the light intensity signal that monitors of any photodetector not in its default range of light intensity time, generate warning message; Described memory is also for storing described warning message.
Above-mentioned fiber ring laser system and supervising device thereof, temperature monitoring module and intensity monitor module can be carried out Real-Time Monitoring to the temperature of corresponding position in fiber ring laser system and light intensity and export after formation temperature signal and light intensity signal.Master controller can according to Real-time Obtaining to temperature signal and light intensity signal whether fiber ring laser system normally run judge, and produce warning message when fiber laser does not normally run, control fiber ring laser system quits work, thus guarantees that fiber ring laser system has good fail safe and stability.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the supervising device of fiber ring laser system in an embodiment;
Fig. 2 is the structural representation of the fiber ring laser system in an embodiment
Fig. 3 be embodiment illustrated in fig. 2 in fiber ring laser system in the structural representation of sub-optical fibre laser.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 is the structured flowchart of the supervising device of fiber laser in an embodiment.This supervising device is used for monitoring the running status of fiber ring laser system, and it comprises temperature monitoring module 110, intensity monitor module 120, master controller 130, memory 140 and alarm module 150.
Temperature monitoring module 110 comprises multiple hygrosensor, is arranged at the diverse location place in fiber ring laser system respectively, for Real-Time Monitoring corresponding position temperature and export to master controller 130 after formation temperature signal.Intensity monitor module 120 comprises multiple photodetector, is arranged at the diverse location place in fiber ring laser system respectively, for Real-Time Monitoring corresponding position light intensity and export to master controller 130 after forming light intensity signal.Particularly, the temperature transition real-time monitored can be resistance signal by hygrosensor, and then sampling is converted into voltage signal; The light intensity signal real-time monitored is converted to current signal by photodetector, then is converted to voltage signal through resistance sampling.Voltage signal after conversion converts to after digital signal through A/D converter and exports to master controller 130, is processed by master controller 130.Temperature/light intensity signal that hygrosensor/photodetector feeds back to master controller 130 can increase with the increase of the temperature/light intensity of its corresponding position.
Master controller 130 is connected with temperature monitoring module 110, intensity monitor module 120 respectively, for receiving its temperature signal exported and light intensity signal.According to the temperature signal received and light intensity signal, master controller 130 can judge whether fiber ring laser system normally runs, and produce warning message when judging that fiber ring laser system does not normally run, and controls fiber ring laser system and quits work.Particularly, the preset temperature range of each hygrosensor and the default range of light intensity of each photodetector is stored in memory 140.The each temperature signal received and the light intensity signal preset range corresponding with this signal can be compared judgement by master controller 130, if when wherein any signal is not in its preset range, produce warning message, then control fiber ring laser system quits work.Memory 140 also can store warning message, as the foundation of locating alarming position.Wherein, warning message comprises abnormal data, monitors the detecting devices of this abnormal data and warning reason, thus handled easily person carries out quick position to alert locations, gets rid of hidden danger or fault as early as possible, guarantees the normal operation of fiber ring laser system.Alarm module 150 can give the alarm according to this warning message, prompting operator.
The supervising device of above-mentioned fiber ring laser system, temperature monitoring module 110 and intensity monitor module 120 can be carried out Real-Time Monitoring to the temperature of corresponding position in fiber ring laser system or light intensity and export after formation temperature signal and light intensity signal.Master controller 130 can according to Real-time Obtaining to temperature signal and light intensity signal whether fiber ring laser system normally run judge, and produce warning message when fiber laser does not normally run, control fiber ring laser system quits work, thus guarantees that fiber ring laser system has good fail safe and stability.
In one embodiment, above-mentioned supervising device also comprises locating module on the basis of previous embodiment.Locating module is connected with master controller, for the warning message locating alarming position produced according to master controller, thus convenient operation personnel find rapidly alert locations to get rid of fault or potential faults, guarantee the normal operation of whole system, improve stability and the fail safe of system.
Present invention also offers a kind of fiber ring laser system, it comprises the supervising device in previous embodiment.In one embodiment, fiber ring laser system adopts modularized design, and it comprises fiber laser group module 210, bundling device module 220 and exports optical cable 230, as shown in Figure 2.Fiber laser group module 210 comprises multiple sub-optical fibre laser 212.The output optical fibre 330 of each sub-optical fibre laser 212 is connected with the input optical fibre 224 of bundling device module 220.The output optical fibre 226 of bundling device module 220 is connected with output optical cable 230.In the present embodiment, in bundling device module 220, be provided with the second cladding light arrester 222, for removing the cladding light on output optical fibre 226.As shown in Figure 3, it comprises semiconductor laser diode (LD) 310, optical module 320 and output optical fibre 330 in the part-structure signal of sub-optical fibre laser 212.Optical module 320 comprises reflecting grating 322, gain fibre 324, exports grating (Out Coupler, OC) 326 and the first cladding light arrester (mode stripper) 328.In the present embodiment, reflecting grating 322 is high reflective grid.The pump light sent by semiconductor laser diode 310 by Optical Fiber Transmission in optical module 320.Reflecting grating 322 in optical module 320 and output grating 326 form laser resonant cavity, launch flashlight after the pump light that gain fibre 324 is subject to producing from semiconductor laser diode 310 excites, flashlight vibrates in resonant cavity and warp is exported in bundling device module 220 by output optical fibre 330 after output grating 326 exports.First cladding light arrester 328 is for removing the cladding light on output optical fibre 330.In the present embodiment, the output optical fibre 330 of sub-optical fibre laser 212 adopts the mode of welding to be connected with the input optical fibre 224 of bundling device module 220.The output optical fibre 226 of bundling device module 220 adopts the mode of welding to be connected with the output optical cable 230 of fiber ring laser system.
In the present embodiment, the multiple hygrosensors in temperature monitoring module comprise the hygrosensor be arranged in each sub-optical fibre laser 212 and bundling device module 220.Particularly.The hygrosensor be arranged in each sub-optical fibre laser 212 comprises the input of the first cladding light arrester 328 be arranged at respectively in optical module 320 and hygrosensor 112, the hygrosensor 114 of output.Hygrosensor 112 and hygrosensor 114 for monitoring the actual temperature change situation of the first cladding light arrester 328, thus guarantee that it runs in normal condition.The hygrosensor be arranged in bundling device module 220 then comprises hygrosensor 116, the hygrosensor 118 of input and the output being arranged at the second cladding light arrester 222 respectively.
Multiple photodetectors in intensity monitor module comprise the photodetector be arranged in each sub-optical fibre laser 212 and bundling device module 220.Particularly, the photodetector being arranged at each sub-optical fibre laser 212 comprise be arranged at optical module 320 respectively after to the photodetector 121 of end and the photodetector 122 that is arranged on the output optical fibre of optical module 320.Photodetector 122 adopts the mode of Space Coupling to monitor the output situation of sub-optical fibre laser 212.The photodetector be arranged in bundling device module 220 comprises the photodetector 123 be arranged in bundling device module 220, is arranged at the photodetector 124 on the input optical fibre 224 of bundling device module 220 and is arranged at the output optical fibre 226 of bundling device module 220 and the photodetector 125 at the fusion point place of both output cables 230 of fiber ring laser system.In the present embodiment, photodetector also comprises the photodetector 126 at fusion point place being arranged at the output optical fibre 330 of each sub-optical fibre laser 212, both input optical fibres 224 of bundling device module 220.Wherein, photodetector 124 is fused to the passage that in the input port of bundling device 322, Insertion Loss is larger, and adopts the mode of coupling fiber to carry out Real-Time Monitoring to the light intensity of this position.In the present embodiment, photodetector 121 and 124 all adopts the mode of coupling fiber to monitor, and other photodetectors then adopt the mode of Space Coupling to monitor.Adopt the mode of coupling fiber that the change of photodetector to light intensity can be made more responsive, thus prevent the damage of the reverberation antithetical phrase fiber laser core component when processing brass contour anti-material.Photodetector 123 is for monitoring the output situation of bundling device module 220.Photodetector 125 is for monitoring the output of whole fiber ring laser system and the external light reflection situation to fiber ring laser system.In other examples, the desired location of hygrosensor and light intensity detector is not limited to position mentioned in the present embodiment, also can also be arranged in fiber ring laser system that other need the position monitored temperature, to increase integrality and the reliability of monitoring.
Master controller can the signal that exports of each hygrosensor of Real-Time Monitoring and photodetector judge each signal respectively whether in the preset range of himself, if it is represent that fiber ring laser system normally runs, master controller continues to monitor each signal.If not, when namely occurring that any one signal is not in the preset range of himself, master controller can generate warning message and give the alarm, and controls fiber ring laser system and quit work, thus guarantees that fiber ring laser system has good stability and fail safe.Master controller also can control storage store alarms information, so that operating personnel carry out checking and position fault and get rid of.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this specification is recorded.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a supervising device for fiber ring laser system, for monitoring the running status of described fiber ring laser system, is characterized in that, comprising:
Temperature monitoring module, comprises multiple hygrosensor, is arranged at the diverse location place in described fiber ring laser system respectively, for the temperature of Real-Time Monitoring corresponding position and formation temperature signal export;
Intensity monitor module, comprises multiple photodetector, is arranged at the diverse location place in described fiber ring laser system respectively, for Real-Time Monitoring corresponding position light intensity and formed light intensity signal export; And
According to described temperature signal and described light intensity signal, master controller, respectively with described temperature monitoring module, described intensity monitor model calling, for receiving described temperature signal and described light intensity signal, and judges whether described fiber ring laser system normally runs; Described master controller also for producing warning message when judging that described fiber ring laser system does not normally run, controlling described fiber ring laser system and quitting work.
2. the supervising device of fiber ring laser system according to claim 1, is characterized in that, described supervising device also comprises memory, for the default range of light intensity of the preset temperature range and each photodetector that store each hygrosensor; Described master controller be used for the temperature signal that any hygrosensor monitors not in its preset temperature range or the light intensity signal that monitors of any photodetector not in its default range of light intensity time, generate warning message; Described memory is also for storing described warning message.
3. the supervising device of fiber ring laser system according to claim 2, is characterized in that, described supervising device also comprises alarm module, is connected with described master controller, for receiving described warning message and giving the alarm according to described warning message.
4. a fiber ring laser system, is characterized in that, comprises the supervising device for monitoring the running status of described fiber ring laser system; Described supervising device comprises:
Temperature monitoring module, comprises multiple hygrosensor, is arranged at the diverse location place in described fiber ring laser system respectively, for the temperature of Real-Time Monitoring corresponding position and formation temperature signal export;
Intensity monitor module, comprises multiple photodetector, is arranged at the diverse location place in described fiber ring laser system respectively, for Real-Time Monitoring corresponding position light intensity and formed light intensity signal export; And
According to described temperature signal and described light intensity signal, master controller, respectively with described temperature monitoring module, described intensity monitor model calling, for receiving described temperature signal and described light intensity signal, and judges whether described fiber ring laser system normally runs; Described master controller also for producing warning message when judging that described fiber ring laser system does not normally run, controlling described fiber ring laser system and quitting work.
5. fiber ring laser system according to claim 1, is characterized in that, described fiber ring laser system comprises fiber laser group module and bundling device module; Described fiber laser group module comprises multiple sub-optical fibre laser; The output optical fibre of described multiple sub-optical fibre laser is connected with the input optical fibre of described bundling device module respectively;
Described temperature monitoring module comprises the hygrosensor be arranged in each sub-optical fibre laser and described bundling device module;
Described intensity monitor module comprises the photodetector be arranged in each sub-optical fibre laser and described bundling device module.
6. fiber ring laser system according to claim 5, is characterized in that, described sub-optical fibre laser comprises semiconductor laser diode, optical module and output optical fibre; Described optical module comprises reflecting grating, gain fibre, output grating and the first cladding light arrester; The pump light that semiconductor laser diode sends sequentially through after forming flashlight after reflecting grating, gain fibre, output grating through being exported by described output optical fibre; Described first cladding light arrester is for removing the cladding light in described output optical fibre;
The hygrosensor be arranged in each sub-optical fibre laser comprises and is arranged at the input of the first cladding light arrester and the hygrosensor of output respectively;
The photodetector be arranged in described each sub-optical fibre laser comprise be arranged at described optical module after to end and the photodetector that is arranged on the output optical fibre of described sub-optical fibre laser.
7. fiber ring laser system according to claim 5, is characterized in that, the output optical fibre of each sub-optical fibre laser adopts the mode of welding to be connected with the input optical fibre of bundling device module; Described multiple photodetector comprises the photodetector on the fusion point being arranged at the output optical fibre of each sub-optical fibre laser and both input optical fibres of bundling device module.
8. fiber ring laser system according to claim 5, is characterized in that, the output optical fibre of described bundling device module is connected with the output optical cable of described fiber ring laser system by the mode of welding; The photodetector be arranged in bundling device module comprise be arranged in described bundling device module respectively, photodetector on the input optical fibre of described bundling device module and on the output optical fibre of described bundling device module and the fusion point of described both output optical cables.
9. fiber ring laser system according to claim 5, is characterized in that, described bundling device module comprises the second cladding light arrester; The hygrosensor be arranged in bundling device module comprises and is arranged at the described input of the second cladding light arrester and the hygrosensor of output respectively.
10. fiber ring laser system according to claim 4, is characterized in that, described supervising device also comprises memory, for the default range of light intensity of the preset temperature range and each photodetector that store each hygrosensor; Described master controller be used for the temperature signal that any hygrosensor monitors not in its preset temperature range or the light intensity signal that monitors of any photodetector not in its default range of light intensity time, generate warning message; Described memory is also for storing described warning message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510257417.0A CN104836099A (en) | 2015-05-19 | 2015-05-19 | Optical fiber laser system and monitoring device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510257417.0A CN104836099A (en) | 2015-05-19 | 2015-05-19 | Optical fiber laser system and monitoring device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104836099A true CN104836099A (en) | 2015-08-12 |
Family
ID=53813810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510257417.0A Pending CN104836099A (en) | 2015-05-19 | 2015-05-19 | Optical fiber laser system and monitoring device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104836099A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451047A (en) * | 2016-06-16 | 2017-02-22 | 光惠（上海）激光科技有限公司 | Novel intelligent self-test optical fiber laser device and power-on self-test method for same |
| CN106711750A (en) * | 2017-02-07 | 2017-05-24 | 中科先为激光科技（北京）有限公司 | Quasi-continuous fiber laser device capable of synchronously synthesizing pulse |
| CN106848816A (en) * | 2017-02-08 | 2017-06-13 | 中科先为激光科技（北京）有限公司 | Sequential synthesizes quasi-continuous optical fiber laser |
| CN107968310A (en) * | 2017-11-08 | 2018-04-27 | 华中科技大学鄂州工业技术研究院 | The unstable observation device and method of pattern in optical fiber laser based on backward light echo |
| CN110137795A (en) * | 2019-06-11 | 2019-08-16 | 深圳市创鑫激光股份有限公司 | The ultra high power all -fiber jointed fiber Optical Maser System of myriawatt rank |
| CN110429453A (en) * | 2019-07-19 | 2019-11-08 | 东莞理工学院 | A kind of superpower laser for taking back light detection system |
| WO2019245032A1 (en) * | 2018-06-22 | 2019-12-26 | 株式会社フジクラ | Photodetection device and laser device |
| CN110631804A (en) * | 2019-08-21 | 2019-12-31 | 大族激光科技产业集团股份有限公司 | Automatic testing method and device for optical fiber laser |
| CN112033574A (en) * | 2020-09-29 | 2020-12-04 | 江苏亨通光纤科技有限公司 | Distributed fiber laser monitoring system and monitoring method |
| CN113649697A (en) * | 2021-09-05 | 2021-11-16 | 光惠（上海）激光科技有限公司 | Laser with safety protection |
| CN113745949A (en) * | 2021-09-05 | 2021-12-03 | 光惠（上海）激光科技有限公司 | Wind-cooling optical fiber laser |
| CN113764965A (en) * | 2021-08-16 | 2021-12-07 | 昂纳信息技术（深圳）有限公司 | Optical fiber laser and protection circuit thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1115703A (en) * | 1994-04-18 | 1996-01-31 | 三菱电机株式会社 | Laser machining apparatus and a method of controlling the same |
| CN101582558A (en) * | 2009-06-08 | 2009-11-18 | 北京国科世纪激光技术有限公司 | Security protection and control device of medium/high power solid state laser module |
| CN201829809U (en) * | 2010-06-29 | 2011-05-11 | 深圳市雷迈科技有限公司 | Semiconductor laser module with various detection sensors and protectors |
| CN102637012A (en) * | 2012-04-01 | 2012-08-15 | 深圳市联赢激光股份有限公司 | Double-path power negative feedback system for laser processing equipment |
| CN202772414U (en) * | 2012-09-03 | 2013-03-06 | 江苏大族粤铭激光科技有限公司 | Laser device control system designed through logic intelligent control technology |
-
2015
- 2015-05-19 CN CN201510257417.0A patent/CN104836099A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1115703A (en) * | 1994-04-18 | 1996-01-31 | 三菱电机株式会社 | Laser machining apparatus and a method of controlling the same |
| CN101582558A (en) * | 2009-06-08 | 2009-11-18 | 北京国科世纪激光技术有限公司 | Security protection and control device of medium/high power solid state laser module |
| CN201829809U (en) * | 2010-06-29 | 2011-05-11 | 深圳市雷迈科技有限公司 | Semiconductor laser module with various detection sensors and protectors |
| CN102637012A (en) * | 2012-04-01 | 2012-08-15 | 深圳市联赢激光股份有限公司 | Double-path power negative feedback system for laser processing equipment |
| CN202772414U (en) * | 2012-09-03 | 2013-03-06 | 江苏大族粤铭激光科技有限公司 | Laser device control system designed through logic intelligent control technology |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451047A (en) * | 2016-06-16 | 2017-02-22 | 光惠（上海）激光科技有限公司 | Novel intelligent self-test optical fiber laser device and power-on self-test method for same |
| CN106711750A (en) * | 2017-02-07 | 2017-05-24 | 中科先为激光科技（北京）有限公司 | Quasi-continuous fiber laser device capable of synchronously synthesizing pulse |
| CN106848816B (en) * | 2017-02-08 | 2019-12-31 | 中科先为激光科技（北京）有限公司 | Time-sequence synthesis quasi-continuous optical fiber laser |
| CN106848816A (en) * | 2017-02-08 | 2017-06-13 | 中科先为激光科技（北京）有限公司 | Sequential synthesizes quasi-continuous optical fiber laser |
| CN107968310A (en) * | 2017-11-08 | 2018-04-27 | 华中科技大学鄂州工业技术研究院 | The unstable observation device and method of pattern in optical fiber laser based on backward light echo |
| US11940321B2 (en) | 2018-06-22 | 2024-03-26 | Fujikura Ltd. | Photodetection device and laser device |
| WO2019245032A1 (en) * | 2018-06-22 | 2019-12-26 | 株式会社フジクラ | Photodetection device and laser device |
| CN111989550A (en) * | 2018-06-22 | 2020-11-24 | 株式会社藤仓 | Photodetector and laser device |
| CN110137795A (en) * | 2019-06-11 | 2019-08-16 | 深圳市创鑫激光股份有限公司 | The ultra high power all -fiber jointed fiber Optical Maser System of myriawatt rank |
| WO2020248931A1 (en) * | 2019-06-11 | 2020-12-17 | 苏州创鑫激光科技有限公司 | Myriawatt-level ultra-high power full fiber continuous fiber laser system |
| CN110429453A (en) * | 2019-07-19 | 2019-11-08 | 东莞理工学院 | A kind of superpower laser for taking back light detection system |
| CN110631804A (en) * | 2019-08-21 | 2019-12-31 | 大族激光科技产业集团股份有限公司 | Automatic testing method and device for optical fiber laser |
| CN112033574A (en) * | 2020-09-29 | 2020-12-04 | 江苏亨通光纤科技有限公司 | Distributed fiber laser monitoring system and monitoring method |
| CN113764965A (en) * | 2021-08-16 | 2021-12-07 | 昂纳信息技术（深圳）有限公司 | Optical fiber laser and protection circuit thereof |
| CN113649697A (en) * | 2021-09-05 | 2021-11-16 | 光惠（上海）激光科技有限公司 | Laser with safety protection |
| CN113745949A (en) * | 2021-09-05 | 2021-12-03 | 光惠（上海）激光科技有限公司 | Wind-cooling optical fiber laser |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104836099A (en) | Optical fiber laser system and monitoring device thereof | |
| CN110429453A (en) | A kind of superpower laser for taking back light detection system | |
| CN209545594U (en) | A kind of Cable's Fault monitoring and positioning system | |
| CN106451047A (en) | Novel intelligent self-test optical fiber laser device and power-on self-test method for same | |
| CN108306171A (en) | Optical fiber laser monitoring and protecting device and guard method | |
| CN103091591A (en) | Real-time monitoring method and real-time monitoring system for high-voltage electric reactor | |
| CN108879305B (en) | Remote pump pumping source device with OTDR function and control method | |
| CN210245942U (en) | Temperature monitoring and alarming device of high-power fiber laser | |
| CN104253644B (en) | PON (passive optical network) monitoring system based on wavelength scanning narrow line width OTDR (optical time domain reflectometry), and PON monitoring method based on wavelength scanning narrow line width OTDR | |
| CN112290997B (en) | Optical layer monitoring system | |
| CN112162371A (en) | Laser energy transmission optical cable | |
| CN212323402U (en) | Laser beam combination monitoring system and fiber laser | |
| CN110455495B (en) | Fiber laser mode stability detection device and method | |
| CN208953133U (en) | A kind of distributed fiber temperature measuring device | |
| CN208607290U (en) | A kind of cable operating status on-line monitoring system | |
| RU2324963C2 (en) | Method of and device for optical amplifier safety monitoring | |
| JP2014042166A (en) | Optical device and power supply system | |
| CN108445332A (en) | A kind of cable operating status on-line monitoring system | |
| CN113285750B (en) | Optical fiber communication equipment and power communication network fault diagnosis method | |
| CN209858099U (en) | Fiber bragg grating temperature measurement system for storage shelf | |
| CN114284841A (en) | Optical fiber laser and control method thereof | |
| CN109327262B (en) | APR (advanced peripheral component interconnect) implementation method and device under OSC (open channel monitoring) free monitoring mechanism | |
| CN210442674U (en) | Automatic early warning device of thermal power plant | |
| CN104993359B (en) | Optical fiber laser and its safety interlocking and safety interlocking control method | |
| CN104269811B (en) | A kind of system for being used for electric power protection and fire-fighting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150812 |