CN109434283A - Signal enhancing type laser welding system and its working method - Google Patents

Signal enhancing type laser welding system and its working method Download PDF

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Publication number
CN109434283A
CN109434283A CN201811388445.6A CN201811388445A CN109434283A CN 109434283 A CN109434283 A CN 109434283A CN 201811388445 A CN201811388445 A CN 201811388445A CN 109434283 A CN109434283 A CN 109434283A
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CN
China
Prior art keywords
patch
welding system
laser
laser welding
radiation
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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
CN201811388445.6A
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Chinese (zh)
Inventor
楚天鹏
索晓峰
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Zhangjiagang Academy Of Engineering Of Njust Co Ltd
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Zhangjiagang Academy Of Engineering Of Njust Co Ltd
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Priority to CN201811388445.6A priority Critical patent/CN109434283A/en
Publication of CN109434283A publication Critical patent/CN109434283A/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
    • B23K26/20Bonding
    • B23K26/21Bonding by welding
    • 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
    • B23K26/702Auxiliary equipment
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/20Frequency-selective devices, e.g. filters
    • H01P1/201Filters for transverse electromagnetic waves
    • H01P1/203Strip line filters
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/0006Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
    • H01Q15/0086Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices having materials with a synthesized negative refractive index, e.g. metamaterials or left-handed materials

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

Abstract

The invention belongs to technical field of welding equipment, and in particular to a kind of signal enhancing type laser welding system and its working method.Wherein this laser welding system includes: Cloud Server, control module and the wireless communication module for carrying out information transmission therebetween, and the laser emitter by control module control driving;The Cloud Server is suitable for storing the output power setting value of laser emitter;And the control module is suitable for module by wireless communication and receives the output power setting value, to control laser transmitter projects laser beam, ensure that welding quality, reduces welding process to the dependency degree of people, improve the degree of automation and production efficiency.

Description

Signal enhancing type laser welding system and its working method
Technical field
The present invention relates to technical field of welding equipment, and in particular to a kind of signal enhancing type laser welding system and its work Method.
Background technique
Laser welding is exactly to be directed at position while welding by laser emitter to issue laser beam, by the base material of wlding and commissure The process of welding is fused, and the output power of laser emitter directly affects the intensity of laser beam, i.e. the welding energy of commissure Amount, to influence welding quality.Traditional laser welding system generally passes through the output power for manually setting laser emitter, right The degree of dependence of people is big, and setting speed is slow, when especially handling multiple welding production lines simultaneously, is also easy to omit, thus It is difficult to ensure that welding quality.
Summary of the invention
The object of the present invention is to provide a kind of signal enhancing type laser welding system and its working methods, by wireless communication Module receives the output power setting value of laser emitter, is welded with controlling laser transmitter projects laser beam to weld seam.
In order to solve the above-mentioned technical problems, the present invention provides a kind of laser welding systems, comprising: Cloud Server, control Module and wireless communication module for carrying out information transmission therebetween, and the Laser emission by control module control driving Device;The Cloud Server is suitable for storing the output power setting value of laser emitter;And the control module is suitable for passing through nothing Line communication module receives the output power setting value, to control laser transmitter projects laser beam.
Further, the wireless communication module includes: loaded antennas;The loaded antennas includes: that left hand is super Material, double trap antennas that left-hand metamaterial upper surface is set and air matching layer therebetween;The wherein left side Hand Meta Materials include: first medium substrate, and are located at metal unit array, the gold of first medium substrate upper and lower surfaces Belong to layer;The metal unit array from top to bottom, is from left to right arranged by several metal units.
Further, the metal unit includes: rectangle frame patch, dissipates the more of setting outward from the center of rectangle frame patch A Y shape radiation patch;The Y shape radiation patch is even number, and is symmetrical arranged.
Further, the loaded antennas is fed by waveguide;And double trap antennas are co-planar waveguide The double trap antennas of the waveguide of feed.
Further, double trap antennas include: second medium substrate, the rectangular radiation patch on second medium substrate Piece, the circular radiation patch for surrounding rectangular radiation patch periphery, the outwardly extending radiation in the middle part of rectangular radiation patch long side Arm, the bandstop filter being mounted on radiation arm and the coplanar patch for being arranged in parallel in radiation arm two sides;The coplanar patch with There are gaps between rectangular radiation patch, radiation arm, to form DC inductance circuit and DC channel capacitor.
Further, the rectangular radiation patch is equipped with the first, second opposite U-shaped gap that is open;And second U-shaped seam Gap is located inside the U-shaped in the first U-shaped gap.
Further, the length of the coplanar patch is longer than the length greater than radiation arm, be suitable for along the end of radiation arm to Outer extension;Double trap antennas further include: the load impedance outside coplanar patch;Distinguish at the both ends of the load impedance Connect radiation arm, coplanar patch.
Further, the bandstop filter is to inhibit high-order harmonic wave filter.
Further, the bandstop filter includes: the median extension line of parallel radiation arm setting, is located at intermediate extension The micro-strip matching unit at line both ends and about the symmetrically arranged two T shaped microstrip line of median extension line;The two of the T shaped microstrip line Bending is in U-shape respectively inwards at end;And the bandstop filter is suitable for being arranged in the middle part of radiation arm, to be matched by each micro-strip Unit is connected with radiation arm.
Another aspect, the present invention also provides a kind of working method of laser welding system, the laser welding system Control module is suitable for the output power setting value that module by wireless communication receives the laser emitter that Cloud Server is sent, with control Laser emitter processed issues laser beam.
The invention has the advantages that laser welding system of the invention receives the defeated of laser emitter by control module Set value of the power out welds weld seam with controlling laser transmitter projects laser beam, ensure that welding quality;In addition, logical Cloud Server storage output power setting value is crossed, and is received by wireless communication module to control module, welding process pair is reduced The dependency degree of people, improves the degree of automation and production efficiency.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the functional block diagram of laser welding system of the invention;
Fig. 2 is the structural schematic diagram of loaded antennas of the invention;
Fig. 3 is the structural schematic diagram of left-hand metamaterial of the invention;
Fig. 4 is the structural schematic diagram of bandstop filter of the invention;
In figure: left-hand metamaterial 1, first medium substrate 11, metal unit 12, rectangle frame patch 121, Y shape radiation patch 122, Double trap antennas 2, second medium substrate 21, rectangular radiation patch 22, the first U-shaped gap 221, the second U-shaped gap 222 are surround Radiation patch 23, radiation arm 24, bandstop filter 25, median extension line 251, micro-strip matching unit 252, T shaped microstrip line 253, Coplanar patch 26, gap 27, load impedance 28.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
Embodiment 1
Fig. 1 is the functional block diagram of laser welding system of the invention.
As shown in Figure 1, the present embodiment 1 provides a kind of laser welding system, comprising: Cloud Server, control module and use In the wireless communication module for carrying out information transmission therebetween, and by the laser emitter of control module control driving;It is described Cloud Server is suitable for storing the output power setting value of laser emitter;And the control module is suitable for mould by wireless communication Block receives the output power setting value, to control laser transmitter projects laser beam.
Optionally, the Cloud Server can remotely be controlled by a PC machine, to input to Cloud Server and store laser The output power setting value of transmitter, and control module is sent to as command information.It is of course also possible to be inputted to Cloud Server With the switching on and shutting down instruction etc. for storing laser emitter.
Optionally, the control module is such as, but not limited to 51 single-chip microcontrollers, can be controlled and be swashed by corresponding driving circuit Optical transmitting set works according to setpoint power output.
Optionally, the wireless communication module can carry out information transmission using 3G, 4G net or other wireless networks.
The laser welding system of the present embodiment 1 receives the output power setting value of laser emitter by control module, with Control laser transmitter projects laser beam welds weld seam, ensure that welding quality;In addition, being stored by Cloud Server defeated Set value of the power out, and received by wireless communication module to control module, welding process is reduced to the dependency degree of people, is improved The degree of automation and production efficiency.
Fig. 2 is the structural schematic diagram of loaded antennas of the invention.
Fig. 3 is the structural schematic diagram of left-hand metamaterial of the invention.
A kind of optional embodiment as loaded antennas.
See that Fig. 2, the wireless communication module include: loaded antennas;The loaded antennas includes: the super material of left hand Material 1, the double trap antennas 2 and air matching layer therebetween that 1 upper surface of left-hand metamaterial is set.See Fig. 3, it is described Left-hand metamaterial 1 includes: first medium substrate 11, and is located at the metal unit of 11 upper and lower surfaces of first medium substrate Array, metal layer (due to being in first medium base lower surface, not shown in Fig. 3);The metal unit array is by several Metal unit 12 from top to bottom, from left to right arranges.Specifically, the metal unit array is by multiple rows of transverse direction, Zong Xiangshe The metal unit being mutually bordered by set is constituted, to form the surface of left-hand metamaterial.
Optionally, the first medium substrate with a thickness of 0.86mm, dielectric constant 4.6.
Optionally, the geometric center of the left-hand metamaterial and the geometric center of double trap antennas are located at same vertical line On, to improve the loaded and optimized effect of double trap antennas.
The loaded antennas of present embodiment can utilize the loaded and optimized double trap antennas of left-hand metamaterial, keep left hand super Material and double trap antennas constitute a double-frequency double-circularly-poantenna antenna, effectively improve antenna performance;By by metal unit from Top to bottm, from left to right arrangement forms metal unit array, improves the radiation intensity and swept area of antenna, is conducive to control The signal of module received output power setting value, and then control laser emitter and work, improve laser welding system Response speed.
A kind of optional embodiment as metal unit.
See Fig. 3, the metal list 12 includes: rectangle frame patch 121, dissipates and set outward from the center of rectangle frame patch 121 The multiple Y shape radiation patch 122 set;The Y shape radiation patch 122 is even number, and is symmetrical arranged.
Optionally, in the present embodiment 1, the quantity of the Y shape radiation patch can be 6 or 8, with rectangle frame patch 121 center is the center of circle, symmetrical diverging setting.
The metal unit of present embodiment is arranged by dissipating multiple Y shape radiation patch to external symmetry, to improve left hand Optimization and load capability of the Meta Materials to double trap antennas, to further increase the gain of antenna.
A kind of optional embodiment as double trap antennas.
See that Fig. 2, double trap antennas 2 include: second medium substrate 21, the rectangle spoke on second medium substrate 21 Penetrate patch 22, circular the radiation patch 23 for surrounding the periphery of rectangular radiation patch 22, along 22 long side of rectangular radiation patch middle part to The radiation arm 24 of outer extension, the bandstop filter 25 being mounted on radiation arm 24 and it is arranged in parallel in the coplanar of 24 two sides of radiation arm Patch 26;There are gaps 27 between the coplanar patch 26 and rectangular radiation patch 22, radiation arm 24, to form DC inductance Circuit and DC channel capacitor.
Optionally, the second medium substrate can use polytetrafluoroethylene (PTFE) single-side coated copper plate, top surface and rectangular radiation The bottom surface of patch is bonded.
Optionally, the loaded antennas is fed by waveguide;And double trap antennas are co-planar waveguide The double trap antennas of the waveguide of feed.
Preferably, the rectangular radiation patch 22 is equipped with the first, second opposite U-shaped gap that is open;And second U-shaped Gap 222 is located inside the U-shaped in the first U-shaped gap 221, to form dual U-shaped trap structure.
Double trap antennas of present embodiment are capable of increasing the bandwidth of antenna by dual U-shaped trap structure;By rectangular radiation The reasonable setting of patch, bandstop filter, coplanar patch and load impedance, while reducing antenna occupied space, moreover it is possible to have Effect improves the gain of antenna;With stable structure, the features such as simple process, flexible design, functional.
Further, see Fig. 2, the length of the coplanar patch 26 is longer than the length greater than radiation arm 24, is suitable for along radiation The end of arm 24 extends outwardly;Double trap antennas further include: the load impedance 28 outside coplanar patch 26;It is described negative The both ends for carrying impedance 28 are separately connected radiation arm 24, coplanar patch 26.
Fig. 4 is the structural schematic diagram of bandstop filter of the invention.
A kind of optional embodiment as bandstop filter.
See that Fig. 2 and Fig. 4, the bandstop filter 25 include: median extension line 251, the difference that parallel radiation arm 24 is arranged It is micro- positioned at the micro-strip matching unit 252 at 251 both ends of median extension line and about 251 symmetrically arranged two T shapes of median extension line Band line 253;The both ends of the T shaped microstrip line 253 are bent respectively inwards to be in U-shape;And the bandstop filter 25 is suitable for setting At the middle part of radiation arm 24, to be connected by each micro-strip matching unit 252 with radiation arm 24.
Optionally, the bandstop filter is to inhibit high-order harmonic wave filter.
T shaped microstrip line and micro-strip matching unit are symmetrical arranged by the bandstop filter of present embodiment, improve harmonic wave Filter effect, avoid clutter to transmitting signal and receive signal interference effect, improve output power setting value conduct Receive the accuracy of signal, guarantee control module received output power setting value promptly and accurately, with control laser emitter into Row work.
In conclusion the laser welding system of the application is set by the output power that control module receives laser emitter Value, welds weld seam with controlling laser transmitter projects laser beam, ensure that welding quality;In addition, passing through Cloud Server Output power setting value is stored, and is received by wireless communication module to control module, reduces welding process to the dependency degree of people, Improve the degree of automation and production efficiency;Loaded antennas can utilize the loaded and optimized double trap antennas of left-hand metamaterial, So that left-hand metamaterial and double trap antennas is constituted a double-frequency double-circularly-poantenna antenna, effectively improves antenna performance;By will be golden Belong to unit from top to bottom, from left to right to arrange into metal unit array, improves the radiation intensity and swept area of antenna, have It conducive to the signal of control module received output power setting value, and then controls laser emitter and works, improve Laser Welding The response speed of welding system;Metal unit is arranged by dissipating multiple Y shape radiation patch to external symmetry, to improve the super material of left hand The optimization and load capability to double trap antennas are expected, to further increase the gain of antenna;Double trap antennas are fallen by dual U-shaped Wave structure is capable of increasing the bandwidth of antenna;By rationally setting for rectangular radiation patch, bandstop filter, coplanar patch and load impedance It sets, while reducing antenna occupied space, moreover it is possible to effectively improve the gain of antenna;With stable structure, simple process, design Flexibly, the features such as functional;T shaped microstrip line and micro-strip matching unit are symmetrical arranged by bandstop filter, improve harmonic wave Filter effect, avoid clutter to transmitting signal and receive signal interference effect, improve output power setting value conduct The accuracy of signal is received, guarantees the received output power setting value of control module promptly and accurately.
Embodiment 2
On the basis of embodiment 1, the present embodiment 2 provides a kind of working method of laser welding system, the laser welding The control module of system is suitable for the output power setting that module by wireless communication receives the laser emitter that Cloud Server is sent Value issues laser beam to control laser emitter.
Specifically, the output power setting value is suitable for storage on Cloud Server, and it is sent to control module.
Specific structure and implementation process about laser welding system are discussed referring to the correlation of embodiment 1, no longer superfluous herein It states.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.

Claims (10)

1. a kind of laser welding system characterized by comprising
Cloud Server, control module and the wireless communication module for carrying out information transmission therebetween, and by control module Control the laser emitter of driving;
The Cloud Server is suitable for storing the output power setting value of laser emitter;And
The control module is suitable for module by wireless communication and receives the output power setting value, to control laser transmitter projects Laser beam.
2. laser welding system according to claim 1, which is characterized in that
The wireless communication module includes: loaded antennas;
The loaded antennas include: left-hand metamaterial, double trap antennas that left-hand metamaterial upper surface is set and between Air matching layer between the two;Wherein
The left-hand metamaterial includes: first medium substrate, and is located at the metal list of first medium substrate upper and lower surfaces Element array, metal layer;
The metal unit array from top to bottom, is from left to right arranged by several metal units.
3. laser welding system according to claim 2, which is characterized in that
The metal unit includes: rectangle frame patch, the multiple Y shapes radiation patch for dissipating from the center of rectangle frame patch setting outward Piece;
The Y shape radiation patch is even number, and is symmetrical arranged.
4. laser welding system according to claim 2, which is characterized in that
The loaded antennas is fed by waveguide;And
Double trap antennas are the double trap antennas of waveguide of coplanar wave guide feedback.
5. laser welding system according to claim 2, which is characterized in that
Double trap antennas include: second medium substrate, the rectangular radiation patch on second medium substrate, surround square The circular radiation patch of shape radiation patch periphery, in the middle part of rectangular radiation patch long side outwardly extending radiation arm, be mounted on spoke The bandstop filter penetrated on arm and the coplanar patch for being arranged in parallel in radiation arm two sides;
There are gaps between the coplanar patch and rectangular radiation patch, radiation arm, to form DC inductance circuit and direct current Path capacitance.
6. laser welding system according to claim 5, which is characterized in that
The rectangular radiation patch is equipped with the first, second opposite U-shaped gap that is open;And
Second U-shaped gap is located inside the U-shaped in the first U-shaped gap.
7. laser welding system according to claim 5, which is characterized in that
The length of the coplanar patch is longer than the length greater than radiation arm, is suitable for extending outwardly along the end of radiation arm;
Double trap antennas further include: the load impedance outside coplanar patch;
The both ends of the load impedance are separately connected radiation arm, coplanar patch.
8. laser welding system according to claim 5, which is characterized in that
The bandstop filter is to inhibit high-order harmonic wave filter.
9. laser welding system according to claim 5, which is characterized in that
The bandstop filter includes: the median extension line of parallel radiation arm setting, is located at the micro- of median extension line both ends With matching unit and about the symmetrically arranged two T shaped microstrip line of median extension line;
The both ends of the T shaped microstrip line are bent respectively inwards to be in U-shape;And
The bandstop filter is suitable for being arranged in the middle part of radiation arm, to be connected by each micro-strip matching unit with radiation arm.
10. a kind of working method of laser welding system, which is characterized in that
The control module of the laser welding system is suitable for module by wireless communication and receives the Laser emission that Cloud Server is sent The output power setting value of device issues laser beam to control laser emitter.
CN201811388445.6A 2018-11-21 2018-11-21 Signal enhancing type laser welding system and its working method Pending CN109434283A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811388445.6A CN109434283A (en) 2018-11-21 2018-11-21 Signal enhancing type laser welding system and its working method

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Publication Number Publication Date
CN109434283A true CN109434283A (en) 2019-03-08

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