CN113210902A - Laser processing detection method, device and system - Google Patents
Laser processing detection method, device and system Download PDFInfo
- Publication number
- CN113210902A CN113210902A CN202110556197.7A CN202110556197A CN113210902A CN 113210902 A CN113210902 A CN 113210902A CN 202110556197 A CN202110556197 A CN 202110556197A CN 113210902 A CN113210902 A CN 113210902A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- processing circuit
- analog
- signal processing
- laser
- 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
- 238000012545 processing Methods 0.000 title claims abstract description 159
- 238000001514 detection method Methods 0.000 title claims abstract description 43
- 230000003287 optical effect Effects 0.000 claims abstract description 89
- 238000004891 communication Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims description 24
- 238000001914 filtration Methods 0.000 claims description 12
- 230000005855 radiation Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 230000008859 change Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000006978 adaptation Effects 0.000 abstract 2
- 239000000463 material Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 238000002309 gasification Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
- B23K26/705—Beam measuring device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
- B23K26/707—Auxiliary equipment for monitoring laser beam transmission optics
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Optical Communication System (AREA)
Abstract
The invention belongs to the technical field of laser processing, and particularly relates to a laser processing detection method, a device and a system, wherein the technical scheme is as follows: the method comprises the following detection steps: s1: connecting the sensor to an optical interface, electrically interfacing the sensor to an external control signal, S2: the controller is connected with the I/O communication module through the universal optocoupler module, and the controller has the beneficial effects that: the production debugging device has the advantages that the side wall is taken down, the analog signal circuit board can be directly replaced, other parts in the device are prevented from being replaced, the production efficiency is improved to the maximum degree, the effect of reducing the precision of a high-precision laser detection device caused by part change is avoided, in addition, when the convenient multi-path laser production debugging is realized, the flexible adaptation is carried out on the analog circuit according to the laser processing technology and the processing environment, the different analog circuit processing modules of the general digital processing part adaptation are used, and the production efficiency effect is improved.
Description
Technical Field
The invention relates to the technical field of laser processing, in particular to a laser processing detection method, device and system.
Background
The laser processing process is a process of interaction between light and a material, and mainly utilizes laser beams emitted by a laser to be focused on the surface of the material after being transmitted through an optical fiber and a lens, and the material absorbs laser energy to cause melting and even gasification, thereby achieving the purpose of material processing;
due to the thermal influence of laser, a molten pool is formed in a processing area of a substitute processing material, multiple signals such as plasma, metal steam, a radiation optical signal, a radiation acoustic signal and the like are radiated, a large number of researches show that the signals are closely related to the processing quality of the laser, and if defects such as hump, incomplete penetration, splashing, pollution and the like occur in the laser processing process, the radiation signals can show different signal representations.
The prior art has the following defects: the existing laser processing detection scheme comprises a photoelectric sensor for receiving and processing a processing optical signal into an electric signal, a signal box for receiving and processing the electric signal of the photoelectric sensor, an optical coupling control panel for controlling the signal box to work according to an external signal, and an industrial computer system which is electrically connected with the signal box and is used for processing and displaying a monitoring interface, wherein the optical coupling control panel can be connected with a client upper computer PLC through an I/O data cable and is used for acquiring and outputting a control command; the opto-coupler control board also can be connected with customer host computer PLC or laser instrument through the PWM data cable, its effect is acquireing laser instrument light-emitting signal, and then the opto-coupler control board is according to the work of external signal control signal box, the signal box passes through the light signal data cable and is connected with many optical sensor, its effect is the optical radiation signal that acquireing/control sensor and catch, but such independent detection board equipment is heavy, whole detecting system is comparatively complicated, and the weak photoelectric signal that the sensor obtained attenuates when the data line transmission gives the signal box and influences greatly, be unfavorable for high accuracy ground laser beam machining detection and use.
Therefore, it is necessary to invent a laser processing detection method, device and system.
Summary of the invention
Therefore, the invention provides a laser processing detection method, device and system, wherein an optical module, an analog signal processing circuit board and a digital signal processing circuit board are arranged in a shell, the optical interface of the optical module is connected with a sensor, and the digital signal processing circuit board is connected with an external control signal through an electrical interface, so that the problems that the detection system is complex and is not beneficial to high-precision laser processing detection application are solved.
In order to achieve the above purpose, the invention provides the following technical scheme: a laser processing detection method comprises the following detection steps:
s1: the controller is connected with the I/O communication module through the universal optocoupler module, so that the I/O communication module receives a laser emergent light starting and stopping signal or a laser emergent light associated signal from the controller and transmits the laser emergent light starting and stopping signal or the laser emergent light associated signal to the sensor, and the laser emergent light is controlled to be processed at a laser processing point;
s2: the optical module receives a detection light beam radiated by a laser processing point through an optical interface and divides the detection light beam into at least two emergent light beams with different frequency bands;
s3: receiving emergent light beams of the optical module through the photoelectric switching circuit board, respectively carrying out photoelectric conversion on the emergent light beams and then outputting analog electric signals of corresponding frequency bands;
s4: receiving the analog electric signal obtained by the optical module through the analog signal processing circuit board, and filtering, amplifying and converting the analog weak electric signal;
s5: the digital signal processing circuit board is detachably connected with the analog signal processing circuit board through an insertion type interface of the analog signal processing circuit board; and then the analog electric signal is received by the digital signal processing circuit board, the analog electric signal is subjected to high-speed analog-to-digital conversion to be a digital signal, and the digital signal is subjected to packet transmission and output.
A laser processing detection device comprises a shell, an optical module, an analog signal processing circuit board and a digital signal processing circuit board, wherein the optical module, the analog signal processing circuit board and the digital signal processing circuit board are arranged in the shell;
wherein, the installation of the cavity bottom of shell optical module, shell lateral wall one end installation analog signal processing circuit board, optical module with set up between the analog signal processing circuit board digital signal processing circuit board, analog signal processing circuit board through insertion formula interface with digital signal processing circuit board detachable the connection, analog signal processing circuit board includes photoelectricity switching circuit board and analog interface circuit board, connect a laser beam machining detection device, its characterized in that through the flexible circuit board electricity between photoelectricity switching circuit board and the analog interface circuit board: the optical module, the analog signal processing circuit board and the digital signal processing circuit board are arranged in the shell;
the optical module is installed at the bottom of the cavity of the shell, the analog signal processing circuit board is installed at one end of the side wall of the shell, the digital signal processing circuit board is arranged between the optical module and the analog signal processing circuit board, the analog signal processing circuit board is detachably connected with the digital signal processing circuit board through an insertion type interface, the analog signal processing circuit board comprises a photoelectric switching circuit board and an analog interface circuit board, and the photoelectric switching circuit board and the analog interface circuit board are electrically connected through a flexible circuit board.
Preferably, the optical module is connected with the analog signal processing circuit board through the photoelectric switching circuit board, and is used for receiving the emergent light beams of the optical module, respectively performing photoelectric conversion on the emergent light beams, outputting analog electrical signals of corresponding frequency bands, and transmitting the analog electrical signals to the analog signal processing circuit board;
the analog signal processing circuit board is connected with the digital signal processing circuit board and used for receiving the analog electric signal obtained by the optical module, filtering, amplifying, processing and converting the analog electric signal and transmitting the analog electric signal to the digital signal processing circuit board;
the optical module is electrically connected with the optical interface and used for connecting the sensor, the optical interface is connected with the sensor and used for transmitting the sensor detection light beam to the optical module through the optical interface, the digital signal processing circuit board is electrically connected with the electrical interface, the electrical interface is connected with an external control signal and used for carrying out high-speed analog-to-digital conversion on an analog electric signal into a digital signal according to the external control signal input by the electrical interface and carrying out package and transmission on the digital signal.
A laser processing detection system comprises a controller, wherein the controller is connected with an I/O communication module through a universal optical coupling module, the I/O communication module is connected with a sensor, the sensor is connected with an optical module through an optical interface, the optical module is connected with an analog signal processing circuit board through a photoelectric switching circuit board, the analog signal processing circuit board is connected with a digital signal processing circuit board, and the digital signal processing circuit board is connected with an external control signal through an electrical interface;
the I/O communication module is loaded through POWER.
Preferably, the analog signal processing circuit board outputs the analog electrical signal after filtering and amplifying the analog electrical signal, the digital signal processing circuit board outputs the digital signal after aligning the data of the digital signal corresponding to the frequency band, and the digital signal processing circuit board outputs the infrared radiation signal and the visible radiation signal after synchronizing the data of the infrared radiation signal and the visible radiation signal by reflecting the laser radiation signal.
Preferably, the sensor performs signal amplification, filtering, conversion and other processing locally in the module, performs high-speed ADC conversion locally, converts multi-optical weak signals into digital signals, and transmits the digital signals to the PC terminal through a gigabit network cable, the I/O communication module is configured to control the time when the sensor starts to collect and the stop time of collection, the I/O communication module receives a relevant start-stop signal from the controller or a signal associated with laser emission through the POWER, and the general optical coupler module is configured to complete standard conversion of a signal level, so as to adapt to more types of controller types.
Compared with the prior art, the laser processing detection method, the device and the system have the advantages that:
according to the invention, the optical module is installed at the bottom of the cavity of the shell, the analog signal processing circuit board is installed at one end of the side wall of the shell, and the digital signal processing circuit board is arranged between the optical module and the analog signal processing circuit board, so that a fixing effect is achieved, the effect of simplifying detection machine equipment is achieved, when the multi-path laser production debugging is facilitated, the analog circuit is flexibly adapted according to the laser processing technology and the processing environment, and different analog circuit processing modules are adapted by using the universal digital processing part, so that the effect of production efficiency is improved;
the analog signal processing circuit board is detachably connected with the digital signal processing circuit board through the insertion type interface, the analog signal processing circuit board comprises a photoelectric switching circuit board and an analog interface circuit board, the photoelectric switching circuit board and the analog interface circuit board are electrically connected through the flexible circuit board, the effect of convenient disassembly and installation is achieved, the analog signal circuit board can be directly replaced by taking down the side wall in production debugging, other parts in the equipment are prevented from being convenient to follow, the production efficiency is improved to the maximum degree, and the effect of reducing the precision of a high-precision laser detection device caused by part change is avoided;
the I/O communication module receives relevant start-stop signals from the controller through the POWER or laser light-emitting associated signals and transmits the signals to the sensor, the sensor locally performs signal amplification, filtering, conversion and other processing on the module, simultaneously performs high-speed ADC conversion locally, converts multi-optical weak signals into digital signals and transmits the digital signals to the optical module at the PC end through a gigabit network cable, the optical module receives detection light beams through an optical interface, divides the detection light beams into at least two emergent light beams with different frequency bands, the photoelectric switching circuit board receives the emergent light beams of the optical module, performs photoelectric conversion on the emergent light beams respectively and outputs analog electric signals of corresponding frequency bands, the analog signal processing circuit board receives the analog electric signals obtained by the optical module and converts the analog signals into digital signals of corresponding frequency bands, and the digital signal of the frequency band corresponding to the emergent light beam is output after being subjected to data processing according to the external control signal input by the electrical interface, so that the effects of transmitting the digital signal to a signal box without a data wire and increasing the application of high-precision laser processing detection are achieved.
Drawings
FIG. 1 is a flow chart of laser processing inspection provided by the present invention;
FIG. 2 is a schematic diagram of a PC terminal structure provided by the present invention;
FIG. 3 is a structural connection diagram of a PC end system according to the present invention;
fig. 4 is a schematic diagram of the laser processing detection provided by the present invention.
In the figure: the device comprises a PC terminal 1, a shell 11, an optical module 2, an optical interface 21, a photoelectric adapter circuit board 3, an analog signal processing circuit board 4, a digital signal processing circuit board 5, an electrical interface 51, a sensor 6, an I/O communication module 7, a POWER71, a universal optical coupler module 8 and a controller 9.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Referring to fig. 1-4, the laser processing detection method, apparatus and system provided by the present invention includes a PC terminal 1, an optical module 2, a photoelectric switching circuit board 3, an analog signal processing circuit board 4, a digital signal processing circuit board 5, a sensor 6, an I/O communication module 7, a general optocoupler module 8 and a controller 9;
further, an optical module 2, a photoelectric switching circuit board 3, an analog signal processing circuit board 4 and a digital signal processing circuit board 5 are arranged in a PC end 1, the PC end 1 comprises a shell 11, specifically, the optical module 2, the analog signal processing circuit board 4 and the digital signal processing circuit board 5 are arranged in the shell 11, the optical module 2 is arranged at the bottom of a cavity of the shell 11, the analog signal processing circuit board 4 is arranged at one end of the side wall of the shell 11, the digital signal processing circuit board 5 is arranged between the optical module 2 and the analog signal processing circuit board 4 to play a role of fixing, so that the effect of simplifying detection machine equipment is achieved, when the multi-path laser production debugging is facilitated, the analog circuit is flexibly adapted according to the laser processing technology and the processing environment, different analog circuit processing modules are adapted by using a universal digital processing part, and the effect of improving the production efficiency is achieved, the analog signal processing circuit board 4 is detachably connected with the digital signal processing circuit board 5 through an insertion type interface, the analog signal processing circuit board 4 comprises a photoelectric switching circuit board 3 and an analog interface circuit board, the photoelectric switching circuit board 3 and the analog interface circuit board are electrically connected through a flexible circuit board, the effects of convenient disassembly and installation are achieved, the analog signal circuit board can be directly replaced by taking down the side wall during production debugging, other parts in the equipment are prevented from being followed, the production efficiency is improved to the maximum degree, and the effect of reducing the precision of a high-precision laser detection device caused by part change is avoided;
further, the controller 9 is connected with the I/O communication module 7 through a universal optical coupling module 8, specifically, the controller 9 is connected with the I/O communication module 7 through the universal optical coupling module 8, the I/O communication module 7 is connected with the sensor 6, the sensor 6 is connected with the optical module 2 through an optical interface 21, the optical module 2 is connected with the analog signal processing circuit board 4 through an optical-to-electrical switching circuit board 3, the analog signal processing circuit board 4 is connected with the digital signal processing circuit board 5, the digital signal processing circuit board 5 is connected with an external control signal through an electrical interface 51, the I/O communication module 7 is loaded through POWER71, the sensor 6 is connected with the optical module 2 through the optical interface 21, the optical module 2 is connected with the analog signal processing circuit board 4 through the optical-to-electrical switching circuit board 3, the analog signal processing circuit board 4 is connected with the digital signal processing circuit board 5, the digital signal processing circuit board 5 is connected with an external control signal through an electrical interface 51, so that the I/O communication module 7 receives a relevant start-stop signal from the controller 9 through a POWER71 or a signal related to laser emergent light and transmits the signal to the sensor 6, the sensor 6 performs signal amplification, filtering, conversion and other processing locally in the module, performs high-speed ADC conversion locally, converts multi-optical weak signals into digital signals, transmits the digital signals to the optical module 2 of the PC terminal 1 through a gigabit network cable, receives a detection light beam through the optical module 2 through the optical interface 21, divides the detection light beam into at least two emergent light beams with different frequency bands, receives the emergent light beam of the optical module 2 through the photoelectric switching circuit board 3, performs photoelectric conversion on the emergent light beam respectively, outputs an analog electrical signal of the corresponding frequency band, and receives an analog electrical signal obtained by the optical module through the analog signal processing circuit board 4, analog signals are converted into digital signals of corresponding frequency bands in an analog-to-digital mode, and the digital signals of the frequency bands corresponding to the emergent light beams are output after data processing according to external control signals input by the electrical interface 51, so that the effects of no need of data line transmission to a signal box and high-precision laser processing detection application are achieved.
The using process of the invention is as follows: the sensor 6 is connected with the optical interface 21, the electrical interface 51 is connected with an external control signal, the controller is connected with the I/O communication module through the universal optical coupling module, the I/O communication module receives a laser light emitting start-stop signal or a laser light emitting associated signal from the controller and transmits the signal to the sensor so as to control the laser light emitting of the processing laser to be processed at a laser processing point, the optical module receives a detection light beam radiated by the laser processing point through the optical interface, divides the detection light beam into at least two emergent light beams with different frequency bands, receives the emergent light beam of the optical module through the photoelectric switching circuit board, respectively carries out photoelectric conversion on the emergent light beam and then outputs an analog electric signal with the corresponding frequency band, receives the analog electric signal obtained by the optical module through the analog signal processing circuit board, and carries out filtering, filtering and low-current signal on the analog electric signal, The amplification processing conversion is detachably connected with the digital signal processing circuit board through an insertion type interface of the analog signal processing circuit board; and then the analog electric signal is received by the digital signal processing circuit board, the analog electric signal is subjected to high-speed analog-to-digital conversion to be a digital signal, and the digital signal is subjected to packet transmission and output.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (6)
1. A laser processing detection method is characterized in that: the method comprises the following detection steps:
s1: the controller (9) is connected with the I/O communication module (7) through the universal optocoupler module (8), so that the I/O communication module (7) receives a laser emergent light starting and stopping signal or a laser emergent light associated signal from the controller (9) and transmits the laser emergent light starting and stopping signal or the laser emergent light associated signal to the sensor (6) to control the laser emergent light to be processed at a laser processing point;
s2: the optical module (2) receives a detection light beam radiated by a laser processing point through an optical interface (21) and divides the detection light beam into at least two emergent light beams with different frequency bands;
s3: the emergent light beams of the optical module (2) are received through the photoelectric switching circuit board (3), and analog electric signals of corresponding frequency bands are output after the emergent light beams are subjected to photoelectric conversion respectively;
s4: analog electric signals obtained by the optical module (2) are received through the analog signal processing circuit board (4), and filtering, amplification processing and conversion are carried out on the analog weak current signals;
s5: the plug-in type interface of the analog signal processing circuit board (4) is detachably connected with the digital signal processing circuit board (5); and then the analog electric signal is received by the digital signal processing circuit board (5), the analog electric signal is subjected to high-speed analog-to-digital conversion to be a digital signal, and the digital signal is subjected to packaging, transmission and output.
2. A laser processing detection device is characterized in that: comprises a shell (11), and an optical module (2), an analog signal processing circuit board (4) and a digital signal processing circuit board (5) which are arranged in the shell (11);
the optical module (2) is installed at the bottom of the cavity of the shell (11), the analog signal processing circuit board (4) is installed at one end of the side wall of the shell (11), the digital signal processing circuit board (5) is arranged between the optical module (2) and the analog signal processing circuit board (4), the analog signal processing circuit board (4) is detachably connected with the digital signal processing circuit board (5) through an insertion type interface, the analog signal processing circuit board (4) comprises a photoelectric switching circuit board (3) and an analog interface circuit board, and the photoelectric switching circuit board (3) is electrically connected with the analog interface circuit board through a flexible circuit board.
3. The laser processing inspection apparatus according to claim 2, wherein: the optical module (2) is connected with an analog signal processing circuit board (4) through a photoelectric switching circuit board (3) and is used for receiving emergent light beams of the optical module (2), respectively carrying out photoelectric conversion on the emergent light beams, then outputting analog electric signals of corresponding frequency bands and transmitting the analog electric signals to the analog signal processing circuit board (4);
the analog signal processing circuit board (4) is connected with the digital signal processing circuit board (5) and is used for receiving the analog electric signal obtained by the optical module, filtering, amplifying, converting and transmitting the analog electric signal to the digital signal processing circuit board (5);
optical module (2) electric connection optical interface (21) for connection sensor (6), optical interface (21) connection sensor (6), be used for with sensor (6) detection light beam passes through optical interface (21) and transmits for optical module (2), digital signal processing circuit board (5) electric connection electricity interface (51), outside control signal is connected in electricity interface (51), be used for according to the outside control signal of electricity interface (51) input carries out high-speed analog-to-digital conversion to digital signal with the analog electric signal to the digital signal carries out group package transmission.
4. A laser processing detection system is characterized in that: the optical module is characterized by further comprising a controller (9), the controller (9) is connected with an I/O communication module (7) through a universal optical coupling module (8), the I/O communication module (7) is connected with a sensor (6), the sensor (6) is connected with an optical module (2) through an optical interface (21), the optical module (2) is connected with an analog signal processing circuit board (4) through a photoelectric switching circuit board (3), the analog signal processing circuit board (4) is connected with a digital signal processing circuit board (5), and the digital signal processing circuit board (5) is connected with an external control signal through an electrical interface (51);
the I/O communication module (7) is loaded by a POWER (71).
5. The laser machining inspection system of claim 4, wherein: the analog signal processing circuit board (4) outputs analog electric signals after filtering and amplifying the analog electric signals, digital signals of a frequency band corresponding to the digital signal processing circuit board (5) are output after data alignment, and the digital signal processing circuit board (5) outputs infrared radiation signals and visible radiation signals after data synchronization through reflecting laser radiation signals.
6. The laser machining inspection system of claim 4, wherein: the sensor (6) is to carry out signal amplification, filtering, conversion and other processing locally on the module, simultaneously carry out high-speed ADC conversion locally, convert many optical weak signals into digital signals between, transmit to PC end (1) through the gigabit net twine, I/O communication module (7) are used for controlling the time that sensor (6) begin to gather, and the stop time of gathering, I/O communication module (7) are through POWER (71) receive the relevant start-stop signal that comes from controller (9), or the signal that laser light-emitting is relevant, general opto-coupler module (8) are used for accomplishing the standard conversion of signal level, reach the controller (9) type that can adapt to more types.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110556197.7A CN113210902A (en) | 2021-05-21 | 2021-05-21 | Laser processing detection method, device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110556197.7A CN113210902A (en) | 2021-05-21 | 2021-05-21 | Laser processing detection method, device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113210902A true CN113210902A (en) | 2021-08-06 |
Family
ID=77093660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110556197.7A Pending CN113210902A (en) | 2021-05-21 | 2021-05-21 | Laser processing detection method, device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113210902A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6369881B1 (en) * | 2000-05-19 | 2002-04-09 | Optical Scientific, Inc. | Optical flow sensor |
| US20090059209A1 (en) * | 2007-09-05 | 2009-03-05 | An-Dien Nguyen | Lock-in demodulation technique for optical interrogation of a grating sensor |
| CN101626134A (en) * | 2008-07-11 | 2010-01-13 | 武汉奇致激光技术有限公司 | System for determining laser energy correction value of laser and method for controlling same |
| CN102087099A (en) * | 2010-11-23 | 2011-06-08 | 东莞市日新传导科技股份有限公司 | FPGA (Field Programmable Gate Array)-based laser caliper measurement system |
| CN107884681A (en) * | 2017-11-14 | 2018-04-06 | 南京工程学院 | GIL pipeline internal fault monitoring and positioning systems and method |
| CN207439542U (en) * | 2017-10-17 | 2018-06-01 | 大族激光科技产业集团股份有限公司 | A kind of laser power detection structure and laser soldering device |
| CN109079351A (en) * | 2018-09-03 | 2018-12-25 | 广东工业大学 | Laser welding based on the demodulation of coaxial optical radiation signal is partially welded detection method and device |
| CN112461860A (en) * | 2020-12-04 | 2021-03-09 | 广州德擎光学科技有限公司 | Method, device and system for detecting quality of machining point of laser machining part |
| CN112525922A (en) * | 2020-12-18 | 2021-03-19 | 广州德擎光学科技有限公司 | Optical detection module and system for detecting laser processing quality |
-
2021
- 2021-05-21 CN CN202110556197.7A patent/CN113210902A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6369881B1 (en) * | 2000-05-19 | 2002-04-09 | Optical Scientific, Inc. | Optical flow sensor |
| US20090059209A1 (en) * | 2007-09-05 | 2009-03-05 | An-Dien Nguyen | Lock-in demodulation technique for optical interrogation of a grating sensor |
| CN101626134A (en) * | 2008-07-11 | 2010-01-13 | 武汉奇致激光技术有限公司 | System for determining laser energy correction value of laser and method for controlling same |
| CN102087099A (en) * | 2010-11-23 | 2011-06-08 | 东莞市日新传导科技股份有限公司 | FPGA (Field Programmable Gate Array)-based laser caliper measurement system |
| CN207439542U (en) * | 2017-10-17 | 2018-06-01 | 大族激光科技产业集团股份有限公司 | A kind of laser power detection structure and laser soldering device |
| CN107884681A (en) * | 2017-11-14 | 2018-04-06 | 南京工程学院 | GIL pipeline internal fault monitoring and positioning systems and method |
| CN109079351A (en) * | 2018-09-03 | 2018-12-25 | 广东工业大学 | Laser welding based on the demodulation of coaxial optical radiation signal is partially welded detection method and device |
| CN112461860A (en) * | 2020-12-04 | 2021-03-09 | 广州德擎光学科技有限公司 | Method, device and system for detecting quality of machining point of laser machining part |
| CN112525922A (en) * | 2020-12-18 | 2021-03-19 | 广州德擎光学科技有限公司 | Optical detection module and system for detecting laser processing quality |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106253979B (en) | A kind of optical signal linear transmission system and Active Electronic Current Transformer | |
| CN105703824A (en) | High-speed optical module receiving and testing device and method | |
| CN203522751U (en) | CATV network optical receiver | |
| CN101145848B (en) | Optical receiving-transmission integrated module for 1000M passive optical network office | |
| CN109905174A (en) | A kind of optical module and the active coupled system of optical module light and method | |
| CN210807279U (en) | Switching value signal transmission control system based on optical fiber | |
| CN206164535U (en) | OSC optical module with OTDR function | |
| CN111856664A (en) | Low-cost 25G short distance photoelectric module conversion equipment | |
| CN113210902A (en) | Laser processing detection method, device and system | |
| CN205081787U (en) | Light module parameter testing arrangement | |
| CN103138834A (en) | Optical fiber transmission system | |
| CN112118047B (en) | Multi-channel parallel single-multi-mode conversion module | |
| US20220043476A1 (en) | Time Synchronous Hybrid Analog and Digital Sensor Data Acquisition System and Method Thereof | |
| CN112459972A (en) | Wind driven generator main bearing state monitoring device and monitoring method thereof | |
| CN202353686U (en) | 10-gigabit receiving optical module for video transmission | |
| WO2017031729A1 (en) | Non-feedback communication converter and communication method thereof | |
| CN113210903A (en) | Laser processing detection method, device and system | |
| CN216485489U (en) | Coupling device for photoelectric conversion and laser radar | |
| CN115622619A (en) | Testing device for photoelectric converter | |
| CN210894788U (en) | Multichannel high-speed communication optical device | |
| CN219420766U (en) | Multi-station DWDM device optical communication test platform | |
| CN214315475U (en) | Photoelectric coupling device for audio and video signal line | |
| CN110806624A (en) | Multichannel high-speed communication optical device | |
| CN216391020U (en) | Optical module | |
| US12136945B2 (en) | Optronic transceiver module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210806 |
|
| RJ01 | Rejection of invention patent application after publication |