CN207114420U - A kind of paraxonic integrating device of laser welding on-line monitoring system sensor - Google Patents
A kind of paraxonic integrating device of laser welding on-line monitoring system sensor Download PDFInfo
- Publication number
- CN207114420U CN207114420U CN201720870633.7U CN201720870633U CN207114420U CN 207114420 U CN207114420 U CN 207114420U CN 201720870633 U CN201720870633 U CN 201720870633U CN 207114420 U CN207114420 U CN 207114420U
- Authority
- CN
- China
- Prior art keywords
- paraxonic
- bandpass filter
- laser welding
- monitoring system
- line monitoring
- 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.)
- Active
Links
Landscapes
- Laser Beam Processing (AREA)
Abstract
The utility model discloses a kind of paraxonic integrating device of laser welding on-line monitoring system sensor, including clamping device, guiding device and plumb joint；The guiding device is arranged on the front end of clamping device, and clamping device is connected to plumb joint side, is provided with spectroscope in clamping device, the angle that the spectroscope and guiding device are guided between direction is 45 °；The spectroscope side is provided with the first bandpass filter, the spectroscope opposite side is provided with the second bandpass filter, the first sensor being connected with first circuit board is provided with rear side of first bandpass filter, the second sensor being connected with second circuit board is provided with rear side of second bandpass filter.The utility model innovatively devises a kind of paraxonic integrating device for the laser welding on-line monitoring system sensor that optical signal is separated into two parts so as to be captured by different sensors, monitored with the fusion of multi-sensor information realized for optical-fiber laser welding process.
Description
Technical field
A kind of paraxonic integrating device of laser welding on-line monitoring system sensor is the utility model is related to, belongs to Laser Welding
Connection device field.
Background technology
The Laser Welding Quality detection method of main flow mainly has three kinds at present：Picked out in laser beam welding by butt welding
Existing various photoelectricity magnetic signals and welded condition are monitored on-line, estimate weldquality；By nondestructiving detecting means to postwelding
The defects of weld seam internal stress is concentrated, stomata is detected；Postwelding face of weld defect is detected by visible sensation method.Weldering
Afterwards the Normal practice of Non-Destructive Testing be difficult play laser welding high efficiency, and implement the on-line real-time measuremen in welding process and
Judgement can improve welding intellectuality and automation, give full play to the high efficiency of laser welding, can ensure to diagnose postwelding weldering again
The authenticity and accuracy of the quality of seam.
Sensor is mostly to be integrated into a manner of coaxial or paraxonic on plumb joint in traditional laser welding monitoring system.
Need the light path of butt joint to be transformed when being coaxially integrated, generally require the corresponding plumb joint of customization, Costco Wholesale is higher.To passing
When sensor progress paraxonic is integrated, it is difficult to accomplish the fusion monitoring of multisensor, and all exist in the alignment and operation of light path
Great unstability.
Utility model content
The utility model is integrated for the Multi-sensor Fusion monitoring paraxonic of laser welding monitoring system in technical background and asked
Topic, the utility model innovatively devise it is a kind of optical signal is separated into two parts so as to be captured by different sensors,
The paraxonic of the laser welding on-line monitoring system sensor monitored with the fusion of multi-sensor information realized for optical-fiber laser welding process
Integrating device.
A kind of paraxonic integrating device of laser welding on-line monitoring system sensor, including clamping device, guiding device with
And plumb joint；The guiding device is connected to the front end of clamping device, and clamping device is connected to plumb joint side, in clamping device
Provided with spectroscope, the angle that the spectroscope and guiding device are guided between direction is 45 °, and spectroscopical specification is
850nm long wave reduction of fractions to a common denominator light microscopics so that optical signal of the wavelength in below 850nm is reflected, and wavelength is then saturating higher than 850nm optical signal
Penetrate；The spectroscope side is provided with the first bandpass filter, and the spectroscope opposite side is provided with the second bandpass filter, and described
Be provided with first sensor be connected with first circuit board on rear side of one bandpass filter, on rear side of second bandpass filter provided with
The second sensor of second circuit board connection.
Further, the guiding device is to be detachably connected with clamping device.
Further, the guiding device built-in infrared laser, the plumb joint front end set guiding laser, filled with guiding
Coincidence of the built-in infrared laser on workpiece is put, the alignment integrated for realizing paraxonic.
Further, it is vertically arranged between first pass filter and second bandpass filter, described first is logical
Angle between optical filter and second bandpass filter and spectroscope is respectively 45 °, ensure welding optical signal perpendicular through
Optical filter, first pass filter are used for the welding optical signal for receiving the mirror reflection that is split, and second pass filter is used for
Receive the welding optical signal for the mirror transmission that is split.
Further, the first bandpass filter is 500-600nm bandpass filter.
Further, the second bandpass filter is 900-1000nm near-infrared bandpass filter.
Further, first sensor is visible light sensor.
Further, second sensor is near infrared sensor.
Further, protection eyeglass is provided between the clamping device and guiding device, the protection eyeglass fills with guiding
It is 90 ° to put the angle between guided direction, for preventing the splashing in laser beam welding from entering probe inside, with protection
Interior lens and sensor.
Beneficial effect：The utility model on spectroscope by plating setting film layer so that light of the wavelength in below 850nm
Signal is reflected, and optical signal of the wavelength higher than 850nm then transmits, the band that the part optical signal reflected passes through 500-600nm
It after pass filter, can be captured by the visible light sensor being connected with the first circuit, and then be converted to electric signal output, reflected
The light radiation change of metal vapors；Then pass through 900-1000nm near-infrared band logical transmitted through spectroscopical part optical signal
Optical filter, then captured by the near infrared sensor being connected with second circuit and be converted to electric signal output, reflect molten bath
The light radiation change of metal liquid, so as to realize that the fusion of two paths of signals monitors.
The utility model is designed reasonably, it is simple in construction, fine compact light path clamping device is devised, by all optics
In eyeglass, sensor and circuit board are integrated in, so that whole integrating device easily can be reliably attached on plumb joint,
Manufacture difficulty is reduced, reduces cost, the utility model solves paraxonic integrating device by detachable guide device simultaneously
Molten bath alignment requirements.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2（a）It is the structural representation of the utility model clamping device；
Fig. 2（b）Thing the utility model clamping device interior lights signal schematic representation.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating this
The technical scheme of utility model, and the scope of protection of the utility model can not be limited with this.
As shown in Figure 1, Figure 2（a）And Fig. 2（b）It is shown, a kind of integrated dress of paraxonic of laser welding on-line monitoring system sensor
Put, including clamping device 2, guiding device 3 and plumb joint 1；The guiding device 3 is connected to the front end of clamping device 2, clamping
Device 2 is connected to the side of plumb joint 1, is provided with spectroscope 20 in clamping device 2, the spectroscope 20 is guided with guiding device 3
Angle between direction is 45 °；The side of spectroscope 20 is provided with the first bandpass filter 21, and the spectroscope opposite side is provided with
Second bandpass filter 22, the rear side of the first bandpass filter 21 are provided with the first sensor being connected with first circuit board 24
25, the rear side of the second bandpass filter 22 is provided with the second sensor 27 being connected with second circuit board 26, the clamping device
Protection eyeglass 23 is provided between guiding device, for preventing the splashing in laser beam welding from entering probe inside, to protect
Protect interior lens and sensor.
Spectroscopical specification is 850nm long wave reduction of fractions to a common denominator light microscopics.
The guiding device is to be detachably connected with clamping device.
The guiding device built-in infrared laser, the plumb joint front end sets guiding laser, built in guiding device
Coincidence of the infrared laser on workpiece, the alignment integrated for realizing paraxonic.
It is vertically arranged between first pass filter and second bandpass filter, first pass filter and institute
It is respectively 45 ° to state the angle between the second bandpass filter and spectroscope, ensures welding optical signal perpendicular through optical filter, described
First pass filter is used for the welding optical signal for receiving the mirror reflection that is split, and second pass filter is split mirror for reception
The welding optical signal of transmission.
First bandpass filter is 500-600nm bandpass filter, and the second bandpass filter is the near of 900-1000nm
Infrared band pass filter.
Further, first sensor is visible light sensor, and second sensor is near infrared sensor.
In the present embodiment, welding optical signal is in 45 ° of angle directive 850nm long waves through protecting between eyeglass, and spectroscope
Reduction of fractions to a common denominator light microscopic, reflection and transmission occur on 850nm long wave reduction of fractions to a common denominator light microscopics so that optical signal of the wavelength in below 850nm is anti-
Penetrate, the part optical signal reflected with the first circuit perpendicular through can be connected after 500-600nm bandpass filter
Visible light sensor captures, and then is converted to electric signal output, reflects the light radiation change of metal vapors；Wavelength is higher than
850nm optical signal then transmits, transmitted through spectroscopical part optical signal then perpendicular through 900-1000nm near-infrared band
Pass filter, then captured by the near infrared sensor being connected with second circuit and be converted to electric signal output, reflected molten
The light radiation change of pond metal liquid, so as to realize that the fusion of two paths of signals monitors.
The present embodiment is reasonable in design, simple in construction, fine compact light path clamping device is devised, by all optical frames
In piece, sensor and circuit board are integrated in, so that whole integrating device easily can be reliably attached on plumb joint, drop
Low manufacture difficulty, reduces cost, and the utility model solves the molten of paraxonic integrating device by detachable guide device simultaneously
Pond alignment requirements.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvement and deformation can also be made, these change
Enter and deform and also should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of paraxonic integrating device of laser welding on-line monitoring system sensor, including clamping device, guiding device and
Plumb joint；It is characterized in that：The guiding device is connected to the front end of clamping device, and clamping device is connected to plumb joint side,
Spectroscope is provided with clamping device, the angle that the spectroscope and guiding device are guided between direction is 45 °；The spectroscope
Side is provided with the first bandpass filter, and the spectroscope opposite side is provided with the second bandpass filter, first bandpass filter
Rear side is provided with the first sensor being connected with first circuit board, is provided with rear side of second bandpass filter and connects with second circuit board
The second sensor connect.
2. a kind of paraxonic integrating device of laser welding on-line monitoring system sensor according to claim 1, its feature
It is：Spectroscopical specification is 850nm long wave reduction of fractions to a common denominator light microscopics.
3. a kind of paraxonic integrating device of laser welding on-line monitoring system sensor according to claim 1, its feature
It is：The guiding device is to be detachably connected with clamping device.
4. a kind of paraxonic integrating device of laser welding on-line monitoring system sensor according to claim 1, its feature
It is：The guiding device built-in infrared laser, the plumb joint front end set guiding laser.
5. a kind of paraxonic integrating device of laser welding on-line monitoring system sensor according to claim 1, its feature
It is：It is vertically arranged between first pass filter and second bandpass filter, first pass filter and described second
Angle between bandpass filter and spectroscope is respectively 45 °.
6. a kind of paraxonic integrating device of laser welding on-line monitoring system sensor according to claim 1, its feature
It is：First bandpass filter is 500-600nm bandpass filter.
7. a kind of paraxonic integrating device of laser welding on-line monitoring system sensor according to claim 1, its feature
It is：Second bandpass filter is 900-1000nm near-infrared bandpass filter.
8. a kind of paraxonic integrating device of laser welding on-line monitoring system sensor according to claim 1, its feature
It is：First sensor is visible light sensor.
9. a kind of paraxonic integrating device of laser welding on-line monitoring system sensor according to claim 1, its feature
It is：Second sensor is near infrared sensor.
10. a kind of paraxonic integrating device of laser welding on-line monitoring system sensor according to claim 1, its feature
It is：Protection eyeglass is provided between the clamping device and guiding device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720870633.7U CN207114420U (en) | 2017-07-18 | 2017-07-18 | A kind of paraxonic integrating device of laser welding on-line monitoring system sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720870633.7U CN207114420U (en) | 2017-07-18 | 2017-07-18 | A kind of paraxonic integrating device of laser welding on-line monitoring system sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207114420U true CN207114420U (en) | 2018-03-16 |
Family
ID=61584603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720870633.7U Active CN207114420U (en) | 2017-07-18 | 2017-07-18 | A kind of paraxonic integrating device of laser welding on-line monitoring system sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207114420U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780022A (en) * | 2018-12-21 | 2019-05-21 | 深圳市鸿陆技术有限公司 | A kind of the debugging bracket and adjustment method of Infrared laser emission head |
| CN114888488A (en) * | 2022-05-16 | 2022-08-12 | 华南理工大学 | Structured light sensor for welding deviation correction and weld joint surface quality detection |
-
2017
- 2017-07-18 CN CN201720870633.7U patent/CN207114420U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780022A (en) * | 2018-12-21 | 2019-05-21 | 深圳市鸿陆技术有限公司 | A kind of the debugging bracket and adjustment method of Infrared laser emission head |
| CN109780022B (en) * | 2018-12-21 | 2024-02-06 | 深圳市鸿陆技术有限公司 | Debugging support and debugging method for infrared laser emission head |
| CN114888488A (en) * | 2022-05-16 | 2022-08-12 | 华南理工大学 | Structured light sensor for welding deviation correction and weld joint surface quality detection |
| CN114888488B (en) * | 2022-05-16 | 2023-09-29 | 华南理工大学 | A structure light sensor for welding rectify and weld surface quality detects |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101750416A (en) | Visual welding seam surface quality detection sensor based on line structure light | |
| CN112247382A (en) | Laser welding penetration information monitoring system and method based on optical weak coherent imaging | |
| CN103862136B (en) | The monitoring device of fusion process and monitoring method | |
| CN101081459A (en) | Real time monitoring device of the three-dimensional laser beam welding and incising process | |
| CN207114420U (en) | A kind of paraxonic integrating device of laser welding on-line monitoring system sensor | |
| CN103323458B (en) | A kind of detection device, weld inspection system and weld inspection method | |
| CN101382422A (en) | Internal contour outline automatic detection system for pipe-shaped parts | |
| CN102794566A (en) | Paraxial CCD (Charge Coupled Device)-based laser welding quality online monitoring device | |
| CN209094795U (en) | Laser welding based on the demodulation of coaxial optical radiation signal is partially welded detection device | |
| CN102721366B (en) | Method and device for tracking and measuring welding seam | |
| CN207668710U (en) | A kind of laser system | |
| CN106645078A (en) | LIBS (laser-induced breakdown spectroscopy)-Raman combined underwater in-situ detection device and detection method | |
| CN109297976A (en) | Laser fuU penetration welding defect detection platform and method based on laser weld energy distribution | |
| CN109079351A (en) | Laser welding based on the demodulation of coaxial optical radiation signal is partially welded detection method and device | |
| CN109865937B (en) | Front-viewing-distance-free butt joint and abutted seam composite visual detection system and method | |
| CN201052570Y (en) | Real time monitoring device for three-dimensional laser welding and cutting process | |
| JP3368427B2 (en) | Laser processing state measuring device | |
| JP2007030032A (en) | Laser beam machining head and laser beam machining device | |
| JP2001321971A (en) | Control system for laser beam welding head and laser beam welding head equipped with the control system | |
| CN105510234A (en) | Optical fiber sensing-based laser excitation heat wave signal detection device | |
| CN115415683A (en) | Laser processing head, laser processing system, and laser processing method | |
| CN207516312U (en) | The Laser-Ultrasonic Nondestructive Testing System of laser injection fibre and coherent detection | |
| JP2000225481A (en) | Measuring unit for laser beam welding state | |
| CN209342620U (en) | Laser fuU penetration welding defect detection platform based on laser weld energy distribution | |
| CN206192500U (en) | Light beam sampling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |