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CN105665951A - Laser head protection glasses monitoring device based on scattered light and temperature detection and working method - Google Patents

Laser head protection glasses monitoring device based on scattered light and temperature detection and working method Download PDF

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Publication number
CN105665951A
CN105665951A CN201610185277.5A CN201610185277A CN105665951A CN 105665951 A CN105665951 A CN 105665951A CN 201610185277 A CN201610185277 A CN 201610185277A CN 105665951 A CN105665951 A CN 105665951A
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CN
China
Prior art keywords
laser
support
laser head
light
temperature
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
Application number
CN201610185277.5A
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Chinese (zh)
Inventor
汤旭东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tong Tong Advanced Manufacturing Technology (taicang) Co Ltd
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Tong Tong Advanced Manufacturing Technology (taicang) Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tong Tong Advanced Manufacturing Technology (taicang) Co Ltd filed Critical Tong Tong Advanced Manufacturing Technology (taicang) Co Ltd
Priority to CN201610185277.5A priority Critical patent/CN105665951A/en
Publication of CN105665951A publication Critical patent/CN105665951A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/70Auxiliary operations or equipment

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)

Abstract

The invention discloses a laser head protection glasses monitoring device based on scattered light and temperature detection. The laser head protection glasses monitoring device comprises a laser lens set, a work-piece, a protective lens, supports and a detection assembly; a temperature sensor is installed in the detection assembly; the laser lens set is arranged at the upper part of the supports, laser beams are arranged above the laser lens set, the work-piece is arranged below the support, and the protective lens is arranged between the two supports; accumulated dust pollution particles are located on the protective lens; the temperature sensor is connected to the supports; a light intensity sensor is further arranged in the detection assembly. According to the laser head protection glasses monitoring device based on the scattered light and temperature detection, the temperature sensor is arranged on the supports for detecting the temperature of the supports, the light intensity sensor is arranged for detecting the scattered light formed by the dust pollution particles on the protective lens in the processing process, and therefore the pollution condition of the protective lens is monitored through the light intensity of the scattered light and the measurement value of temperature, and the monitoring accuracy is improved.

Description

Laser head goggle supervising device and method of work based on scattering light and temperature detection
Technical field
The present invention relates to a kind of supervising device, specifically based on the laser head goggle supervising device of scattering light and temperature detection and method of work.
Background technology
Laser weld is the laser beam utilizing high-energy-density a kind of high-efficiency and precision welding method as thermal source. Laser weld is one of importance of Materialbearbeitung mit Laserlicht technology application. 20 century 70s are mainly used in welding thin-walled material and low speed welding, welding process belongs to heat-conduction-type, i.e. laser emission heated parts surface, surface heat is internally spread by conduction of heat, by controlling the parameters such as the width of laser pulse, energy, peak power and repetition rate, make workpiece melt, form specific molten bath. Due to the advantage of its uniqueness, it is successfully applied in the precision welding of micro-, miniature parts.
But the processing of existing laser weld damages laser lens for preventing from splashing, the commonly used method installing protection eyeglass additional, but protective glass sector-meeting is by ejecta pollution after long-time processing, simultaneously, protection eyeglass has, on it, the contamination by dust particle accumulating formation in the process used or place, and, this contamination by dust particle can absorb laser beam in the process of work, so may result in the temperature of protection eyeglass and support to change, thus machining accuracy and crudy can be affected, need periodic replacement eyeglass, thus existing laser soldering device needs to improve.
Summary of the invention
Goal of the invention: the invention aims to solve the deficiencies in the prior art, it is provided that based on laser head goggle supervising device and the method for work of scattering light and temperature detection.
Technical scheme: in order to realize object above, a kind of laser head goggle supervising device based on scattering light and temperature detection of the present invention, including: laser lens group, workpiece, protection eyeglass, support and detection components, wherein, described detection components is provided with temperature sensor, described laser lens is mounted on above support, and, it is arranged over laser beam, described workpiece is located at below support, described protection eyeglass is located between two stands, and, the contamination by dust particle having accumulation to be formed on described protection eyeglass, described temperature sensor is connected with support, be additionally provided with in described detection components protects contaminant particles on eyeglass to form the light intensity sensor of scattering light for detecting in the course of processing. heretofore described a kind of laser head goggle supervising device based on scattering light and temperature detection, it detects the temperature of support by arranging temperature sensor on support, simultaneously, the light path being connected with protection eyeglass is provided with light intensity sensor, it is used for detecting the scattering light protecting the contamination by dust particle on eyeglass to be formed in the course of processing, the pollution condition of protection eyeglass is reflected by its measured value, it is achieved thereby that by the pollution condition of scattering light light intensity and measured temperature monitoring and protection eyeglass simultaneously, improve the accuracy of its monitoring, thus allowing it better meet the demand of user.
Heretofore described support is L-shaped, and two stands is oppositely arranged, it is possible to convenient protection eyeglass can better be placed, it is ensured that it can be steady.
Heretofore described protection eyeglass matches with support, improves protection eyeglass smoothness in the course of the work, improves the accuracy of its monitoring further.
Heretofore described laser beam adopts parallel laser light beam, and it focuses on workpiece through laser lens group and protection eyeglass.
Heretofore described light intensity sensor be arranged on in the light path protecting eyeglass to be connected.
The lower section of protection eyeglass is located at by heretofore described workpiece, and, cooperate between described workpiece and protection eyeglass and laser lens group.
The method of work of the heretofore described laser head goggle supervising device based on scattering light and temperature detection, concrete method of work is as follows:
(1): first this protection device is assembled, first by rack-mount to laser head battery of lens and protection camera lens;
(2): then parallel laser light beam is by laser head battery of lens and protection eyeglass, focuses on and laser machines on workpiece;
(3): in the process that workpiece is laser machined, it is located at the temperature sensor on support will the temperature of support be detected;
(4) the heat radiation light that: meanwhile, the contamination by dust particle that protection eyeglass is formed due to accumulation in the process of work is formed by light intensity sensor;
(5): in the process that said temperature sensor and light intensity sensor detect, constantly the data of detection are sent in control device;
(6): control device after the scattering light light intensity receiving detection and measured temperature, it will data are processed, and by process after data send display device to;
(7): timely data are displayed finally by display device.
Beneficial effect: the laser head goggle supervising device based on scattering light and temperature detection of the present invention, has the advantage that
1, heretofore described a kind of laser head goggle supervising device based on scattering light and temperature detection, it detects the temperature of support by arranging temperature sensor on support, simultaneously, the light path being connected with protection eyeglass is provided with light intensity sensor, it is used for detecting the scattering light protecting the contamination by dust particle on eyeglass to be formed in the course of processing, literary composition so situation of protection eyeglass is reflected by its measured value, it is achieved thereby that by the pollution condition of scattering light light intensity and measured temperature monitoring and protection eyeglass simultaneously, improve the accuracy of its monitoring, thus allowing it better meet the demand of user.
2, heretofore described support is L-shaped, and two stands is oppositely arranged, and; described protection eyeglass matches with support; can conveniently protect eyeglass better to place, improve protection eyeglass smoothness in the course of the work, improve the accuracy of its monitoring further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
In figure: laser lens group-1, workpiece-2, protection eyeglass-3, support-4, temperature sensor-5,
Laser beam-6, contamination by dust particle-7, scattering light-8, light intensity sensor-9.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, it is further elucidated with the present invention.
Embodiment
A kind of laser head goggle supervising device based on scattering light and temperature detection as shown in Figure 1; including: laser lens group 1, workpiece 2, protection eyeglass 3, support 4 and detection components; also include: laser beam 6 and light intensity sensor 9, wherein, described detection components is provided with temperature sensor 5.
The relation of above-mentioned each parts is as follows:
Described laser lens group 1 is located at above support 4; and; it is arranged over laser beam 6; described workpiece 2 is located at below support 4; described protection eyeglass 3 is located between two stands 4; and; the contamination by dust particle 7 having accumulation to be formed on described protection eyeglass 3; described temperature sensor 5 is connected with support 4; described detection components is additionally provided with and protects contaminant particles on eyeglass 3 to form the light intensity sensor 9 of scattering light 8 in the course of processing for detecting, described light intensity sensor 9 be arranged on in the light path protecting eyeglass 3 to be connected.
Support 4 described in the present embodiment is L-shaped, and two stands 4 is oppositely arranged, and described protection eyeglass 3 matches with support 4.
Laser beam 6 described in the present embodiment adopts parallel laser light beam, and it focuses on workpiece 2 through laser lens group 1 and protection eyeglass 3.
The lower section of protection eyeglass 3 is located at by workpiece 2 described in the present embodiment, and, cooperate between described workpiece 2 and protection eyeglass 3 and laser lens group 1.
Embodiment 2
A kind of identical with the structure in embodiment 1 with the laser head supervising device in the method for work of the laser head goggle supervising device of temperature detection based on scattering light described in the present embodiment.
A kind of laser head goggle supervising device based on scattering light and temperature detection as shown in Figure 1; including: laser lens group 1, workpiece 2, protection eyeglass 3, support 4 and detection components; also include: laser beam 6 and light intensity sensor 9, wherein, described detection components is provided with temperature sensor 5.
The relation of above-mentioned each parts is as follows:
Described laser lens group 1 is located at above support 4; and; it is arranged over laser beam 6; described workpiece 2 is located at below support 4; described protection eyeglass 3 is located between two stands 4; and; the contamination by dust particle 7 having accumulation to be formed on described protection eyeglass 3; described temperature sensor 5 is connected with support 4; described detection components is additionally provided with and protects contaminant particles on eyeglass 3 to form the light intensity sensor 9 of scattering light 8 in the course of processing for detecting, described light intensity sensor 9 be arranged on in the light path protecting eyeglass 3 to be connected.
Support 4 described in the present embodiment is L-shaped, and two stands 4 is oppositely arranged, and described protection eyeglass 3 matches with support 4.
Laser beam 6 described in the present embodiment adopts parallel laser light beam, and it focuses on workpiece 2 through laser lens group 1 and protection eyeglass 3.
The lower section of protection eyeglass 3 is located at by workpiece 2 described in the present embodiment, and, cooperate between described workpiece 2 and protection eyeglass 3 and laser lens group 1.
The method of work of the laser head goggle supervising device based on scattering light and temperature detection described in the present embodiment, concrete method of work is as follows:
(1): first this protection device is assembled, first laser head battery of lens 1 and protection camera lens 3 are arranged on support 4;
(2): then parallel laser light beam 6 is by laser head battery of lens 1 and protection eyeglass 3, focuses on and laser machines on workpiece 2;
(3): in the process that workpiece 2 is laser machined, it is located at the temperature sensor 5 on support 4 will the temperature of support 4 be detected;
(4) the heat radiation light that: meanwhile, the contamination by dust particle 7 that protection eyeglass 3 is formed due to accumulation in the process of work is formed by light intensity sensor 9;
(5): in the process that said temperature sensor 5 and light intensity sensor 9 detect, constantly the data of detection are sent in control device;
(6): control device after the scattering light light intensity receiving detection and measured temperature, it will data are processed, and by process after data send display device to;
(7): timely data are displayed finally by display device.
Embodiment is merely to illustrate the present invention rather than restriction the scope of the present invention, and after having read the present invention, the amendment of the various equivalent form of values of the present invention is all fallen within the application claims limited range by those skilled in the art.

Claims (7)

1. the laser head goggle supervising device based on scattering light and temperature detection, it is characterized in that: including: laser lens group (1), workpiece (2), protection eyeglass (3), support (4) and detection components, wherein, described detection components is provided with temperature sensor (5), described laser lens group (1) is located at support (4) top, and, it is arranged over laser beam (6), support (4) lower section is located at by described workpiece (2), described protection eyeglass (3) is located between two stands (4), and, described protection eyeglass (3) has the contamination by dust particle (7) that accumulation is formed, described temperature sensor (5) is connected with support (4), described detection components is additionally provided with and protects the upper contaminant particles of eyeglass (3) to form the light intensity sensor (9) of scattering light (8) in the course of processing for detection.
2. a kind of laser head goggle supervising device based on scattering light and temperature detection according to claim 1, it is characterised in that: described support (4) is L-shaped, and two stands (4) is oppositely arranged.
3. a kind of laser head goggle supervising device based on scattering light and temperature detection according to claim 1, it is characterised in that: described protection eyeglass (3) matches with support (4).
4. a kind of laser head goggle supervising device based on scattering light and temperature detection according to claim 1; it is characterized in that: described laser beam (6) adopts parallel laser light beam, it focuses on workpiece (2) through laser lens group (1) and protection eyeglass (3).
5. a kind of laser head goggle supervising device based on scattering light and temperature detection according to claim 1, it is characterised in that: described light intensity sensor (9) be arranged on in the light path protecting eyeglass (3) to be connected.
6. a kind of laser head goggle supervising device based on scattering light and temperature detection according to claim 1; it is characterized in that: the lower section of protection eyeglass (3) is located at by described workpiece (2); and, cooperate between described workpiece (2) and protection eyeglass (3) and laser lens group (1).
7. based on the method for work of the laser head goggle supervising device of scattering light and temperature detection,
It is characterized in that: concrete method of work is as follows:
(1): first this protection device is assembled, first laser head battery of lens (1) and protection camera lens (3) are arranged on support (4);
(2): then parallel laser light beam (6) is by laser head battery of lens (1) and protection eyeglass (3), focuses on and laser machines on workpiece (2);
(3): in the process that workpiece (2) is laser machined, it is located at the temperature sensor (5) on support (4) will the temperature of support (4) be detected;
(4) the heat radiation light that: meanwhile, the contamination by dust particle (7) that protection eyeglass (3) is formed due to accumulation in the process of work is formed by light intensity sensor (9);
(5): in the process that said temperature sensor (5) and light intensity sensor (9) detect, constantly the data of detection are sent in control device;
(6): control device after the scattering light light intensity receiving detection and measured temperature, it will data are processed, and by process after data send display device to;
(7): timely data are displayed finally by display device.
CN201610185277.5A 2016-03-29 2016-03-29 Laser head protection glasses monitoring device based on scattered light and temperature detection and working method Pending CN105665951A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610185277.5A CN105665951A (en) 2016-03-29 2016-03-29 Laser head protection glasses monitoring device based on scattered light and temperature detection and working method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610185277.5A CN105665951A (en) 2016-03-29 2016-03-29 Laser head protection glasses monitoring device based on scattered light and temperature detection and working method

Publications (1)

Publication Number Publication Date
CN105665951A true CN105665951A (en) 2016-06-15

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107931873A (en) * 2017-12-21 2018-04-20 上海维宏电子科技股份有限公司 Applied to the detection device on laser head and corresponding laser head
CN110238477A (en) * 2019-06-18 2019-09-17 同高先进制造科技(太仓)有限公司 A kind of seam tracking system and its working method of the mechanical rotation for laser soldering
CN112739488A (en) * 2018-08-22 2021-04-30 奥托立夫开发公司 Device and method for detecting laser welding protective glass
CN113720582A (en) * 2021-09-02 2021-11-30 深圳软动智能控制有限公司 Laser head fault acquisition method and device, laser equipment and storage medium
CN114206539A (en) * 2019-12-23 2022-03-18 百超激光有限公司 Optical unit for laser machining of workpieces and laser machining device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999059762A1 (en) * 1998-05-20 1999-11-25 Permanova Lasersystem Ab A method and an apparatus for checking the condition of a protective glass in connection with laser machining
DE10040921A1 (en) * 2000-08-18 2002-02-28 Sam Saechsische Anlagen Und Ma Hand-guided processing head for high power diode laser has protective glass temperature and fouling monitoring with temperature measurement by thermoelement in drawer-like bearer
CN102717184A (en) * 2012-03-23 2012-10-10 海目(北京)激光与数控发展有限公司 Automatic protection equipment for laser transmitting device and laser device
US20140346330A1 (en) * 2011-12-19 2014-11-27 Optoskand Ab Apparatus for monitoring the process performance of a laser system with a power optical fiber
CN204524546U (en) * 2015-02-28 2015-08-05 南京中科煜宸激光技术有限公司 A kind of laser three-D cutting head
CN205464851U (en) * 2016-03-29 2016-08-17 同高先进制造科技(太仓)有限公司 Laser head monitoring device based on scattered light and temperature detect

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999059762A1 (en) * 1998-05-20 1999-11-25 Permanova Lasersystem Ab A method and an apparatus for checking the condition of a protective glass in connection with laser machining
DE10040921A1 (en) * 2000-08-18 2002-02-28 Sam Saechsische Anlagen Und Ma Hand-guided processing head for high power diode laser has protective glass temperature and fouling monitoring with temperature measurement by thermoelement in drawer-like bearer
US20140346330A1 (en) * 2011-12-19 2014-11-27 Optoskand Ab Apparatus for monitoring the process performance of a laser system with a power optical fiber
CN102717184A (en) * 2012-03-23 2012-10-10 海目(北京)激光与数控发展有限公司 Automatic protection equipment for laser transmitting device and laser device
CN204524546U (en) * 2015-02-28 2015-08-05 南京中科煜宸激光技术有限公司 A kind of laser three-D cutting head
CN205464851U (en) * 2016-03-29 2016-08-17 同高先进制造科技(太仓)有限公司 Laser head monitoring device based on scattered light and temperature detect

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107931873A (en) * 2017-12-21 2018-04-20 上海维宏电子科技股份有限公司 Applied to the detection device on laser head and corresponding laser head
CN112739488A (en) * 2018-08-22 2021-04-30 奥托立夫开发公司 Device and method for detecting laser welding protective glass
CN110238477A (en) * 2019-06-18 2019-09-17 同高先进制造科技(太仓)有限公司 A kind of seam tracking system and its working method of the mechanical rotation for laser soldering
CN110238477B (en) * 2019-06-18 2024-04-16 同高先进制造科技(太仓)有限公司 Mechanical rotation weld joint tracking system for laser brazing and working method thereof
CN114206539A (en) * 2019-12-23 2022-03-18 百超激光有限公司 Optical unit for laser machining of workpieces and laser machining device
CN114206539B (en) * 2019-12-23 2023-05-26 百超激光有限公司 Optical unit for laser machining of workpieces and laser machining device
CN113720582A (en) * 2021-09-02 2021-11-30 深圳软动智能控制有限公司 Laser head fault acquisition method and device, laser equipment and storage medium

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Application publication date: 20160615