CN209349686U - A kind of YAG multiple beam light splitting gradual change type optical path negative feed back control system - Google Patents

A kind of YAG multiple beam light splitting gradual change type optical path negative feed back control system Download PDF

Info

Publication number
CN209349686U
CN209349686U CN201822228396.1U CN201822228396U CN209349686U CN 209349686 U CN209349686 U CN 209349686U CN 201822228396 U CN201822228396 U CN 201822228396U CN 209349686 U CN209349686 U CN 209349686U
Authority
CN
China
Prior art keywords
gradual change
change type
optical path
energy
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.)
Active
Application number
CN201822228396.1U
Other languages
Chinese (zh)
Inventor
蒲亨强
张高源
袁俊
张虎
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.)
Shenzhen Lei Ying Laser Technology Co Ltd
Original Assignee
Shenzhen Lei Ying Laser Technology 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 Shenzhen Lei Ying Laser Technology Co Ltd filed Critical Shenzhen Lei Ying Laser Technology Co Ltd
Priority to CN201822228396.1U priority Critical patent/CN209349686U/en
Application granted granted Critical
Publication of CN209349686U publication Critical patent/CN209349686U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Mechanical Light Control Or Optical Switches (AREA)

Abstract

The utility model discloses a kind of YAG multiple beams to be divided gradual change type optical path negative feed back control system, comprising: laser, at least a coupling optical path component, quartzy reflecting mirror and control device;Each coupling optical path component includes gradual change type light-dividing device, the first energy negative feedback arrangement and laser couplers, the light beam of quartzy reflecting mirror and laser is in 45 degree of angle settings, the deflecting light beams of gradual change type light-dividing device and quartzy reflecting mirror are arranged in 45 degree of angles, the deflecting light beams of first energy negative feedback arrangement and laser couplers and gradual change type light-dividing device are located in a straight line, and the first energy negative feedback arrangement is between laser couplers and gradual change type light-dividing device;First energy negative feedback arrangement is connected with gradual change type light-dividing device uniformity controller.Technical solutions of the utility model are meant to ensure that accurate device multichannel welding stability simultaneously, meet the laser welding process requirement of more occasion diversification;Simultaneously manufacture, maintenance cost it is low, use it is simple, debug rapid and convenient.

Description

A kind of YAG multiple beam light splitting gradual change type optical path negative feed back control system
Technical field
The utility model relates to technical field of laser processing, in particular to a kind of YAG multiple beam light splitting gradual change type optical path is negative Feedback control system.
Background technique
Nowadays country supports technological innovation energetically, and social economy is quickly developing, and network is at can not in for people's lives The a part lacked promotes mobile communication technology to obtain swift and violent development along with people are for the demand of communication, and 5G is logical Letter is to be increasingly subject to countries in the world government and relevant department with unique advantage as Future broadband mobile communication technology Concern and approval.And 5G needs huge hardware device covering, and this is very big cost for operator, so For quite a long time, 5G and optical fiber will also work in coordination supplement, and BOSA, active device, passive device, optical fiber is as 5G Important hardware composition part is communicated, therefore above-mentioned device is very accurate to welding technique requirement, directly affects 5G and communicate normal work Make.Optical communication device laser package technology distributes laser-beam welding machine energy and the stability requirement of energy is very high.
Utility model content
The main purpose of the utility model is to propose a kind of YAG multiple beam light splitting gradual change type optical path negative feed back control system, It is meant to ensure that accurate device multichannel welding stability simultaneously, meets the laser welding process requirement of more occasion diversification;It makes simultaneously Make, maintenance cost it is low, use it is simple, debug rapid and convenient.
To achieve the above object, the utility model proposes a kind of YAG multiple beam be divided gradual change type optical path negative feedback control System, comprising: laser, at least a coupling optical path component, quartzy reflecting mirror and control device;Each coupling optical path component Including gradual change type light-dividing device, the first energy negative feedback arrangement and laser couplers, the quartz reflecting mirror and the laser Light beam in the setting of 45 degree angles, the deflecting light beams of the gradual change type light-dividing device and the quartzy reflecting mirror in 45 degree of angles settings, The deflecting light beams of the first energy negative feedback arrangement and the laser couplers and the gradual change type light-dividing device are located at one On straight line, and the first energy negative feedback arrangement is between the laser couplers and the gradual change type light-dividing device;Institute Stating the first energy negative feedback arrangement, uniformly the control device connects with the gradual change type light-dividing device.
Preferably, the gradual change type light-dividing device includes: servo motor, motor connecting base, dust guard, shaft coupling, biography Moving axis, two accurate slide bars, slide bar support, eyeglass support and gradual change type energy are divided eyeglass;The servo motor is fixed on described On motor connecting base, the motor connecting base is fixed on the slide bar support, the servo motor by the shaft coupling with The transmission axis connection, the transmission shaft are connect with the eyeglass support, and the gradual change type energy light splitting eyeglass is arranged described In eyeglass support;The two sides in the slide bar support are arranged in the two accurate slide bars, are slidably arranged on the eyeglass support On the two accurate slide bars, and the eyeglass support is provided with dust guard, the dust guard close to the transmission shaft side Setting is connected between the eyeglass support and the slide bar support.
It preferably, further include that upper limit inductive pick-up, lower limit inductive pick-up, upper limit anti-dazzling screen and lower limit hide Mating plate, the upper limit inductive pick-up and the lower limit inductive pick-up are separately positioned on up and down the two of the slide bar support Side, the upper limit anti-dazzling screen and the lower limit anti-dazzling screen are separately positioned on the two sides up and down of the eyeglass support, and described Upper limit inductive pick-up and the lower limit inductive pick-up are connect with the control device.
It preferably, further include the second energy negative feedback arrangement, the second energy negative feedback arrangement and the quartz reflect The transmission light velocity of mirror is located along the same line, and the second energy negative feedback arrangement is connect with the control device.
Preferably, the signal receiving end of the upper limit inductive pick-up and the lower limit inductive pick-up is provided with Anti-interference reflector plate.
Preferably, one surface of anti-interference reflector plate is respectively arranged with high anti-plated film, and another side is provided with anti-reflection film.
Compared with prior art, the utility model is provided with gradual change type light-dividing device and the on each coupling optical path component One energy negative feedback arrangement detects the laser energy size of the coupling optical path component by the first energy negative feedback arrangement and feeds back To control device, control device sends control command to adjust each gradual change type light-dividing device, to adjust the laser energy on the road The size and uniformity of amount guarantee welding stability;Simultaneity factor can to the laser of every coupling optical path component export energy into Row setting can meet the laser welding process requirement of more occasion diversification, and system manufacture and maintenance cost are low, use letter It is single, debug rapid and convenient.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the workflow schematic diagram of the utility model;
Fig. 3 is the structural schematic diagram of gradual change type light-dividing device in the utility model;
Fig. 4 is the structural schematic diagram of gradual change type light-dividing device in the utility model;
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
A kind of YAG multiple beam that the present embodiment proposes is divided gradual change type optical path negative feed back control system, institute as shown in Figure 1 to Figure 4 Show, comprising: laser 100, at least a coupling optical path component 200, quartzy reflecting mirror 300 and control device 400;Each coupling Optical path component 200 includes gradual change type light-dividing device 210, the first energy negative feedback arrangement 220 and laser couplers 230, and quartz is anti- The light beam for penetrating mirror 300 and laser 100 is arranged in 45 degree of angles, the refraction of gradual change type light-dividing device 210 and quartzy reflecting mirror 300 Light beam is in 45 degree of angle settings, the folding of the first energy negative feedback arrangement 220 and laser couplers 230 and gradual change type light-dividing device 210 Irradiating light beam is located in a straight line, and the first energy negative feedback arrangement 220 is located at laser couplers 230 and gradual change type light-dividing device Between 210;First energy negative feedback arrangement 220 and the connection of 210 uniformity controller 400 of gradual change type light-dividing device.
The utility model is provided with gradual change type light-dividing device 210 on each coupling optical path component 200 and the first energy is negative Feedback device 220 detects the laser energy size of the coupling optical path component 200 and anti-by the first energy negative feedback arrangement 220 It feeds control device 400, control device 400 sends control command to adjust each gradual change type light-dividing device 210, should to adjust The size and uniformity of the laser energy on road guarantee welding stability;Simultaneity factor can swashing to every coupling optical path component 200 Light output energy is set, and can meet the laser welding process requirement of more occasion diversification, and system manufacture and safeguard at This is low, uses simple, debugging rapid and convenient.
In an embodiment of the utility model, as shown in figure 3, gradual change type light-dividing device 210 includes: servo motor 211, electricity Machine attachment base 212, dust guard 213, shaft coupling 214, transmission shaft 215, two accurate slide bar 216, slide bar support 217, eyeglass branch Seat 218 and gradual change type energy are divided eyeglass 219;Servo motor 211 is fixed on motor connecting base 212, and motor connecting base 212 is solid It is scheduled on slide bar support 217, servo motor 211 is connect by shaft coupling 214 with transmission shaft 215, transmission shaft 215 and eyeglass support 218 connections, gradual change type energy are divided eyeglass 219 and are arranged in eyeglass support 218;Two accurate slide bars are arranged in slide bar support 217 Interior two sides are slidably arranged on eyeglass support 218 on two accurate slide bars, and eyeglass support 218 is set close to 215 side of transmission shaft It is equipped with dust guard 213, the setting of dust guard 213 is connected between eyeglass support 218 and slide bar support 217.Servo motor 211 Eyeglass support 218 is driven to move up and down on accurate slide bar by transmission shaft 215, dust guard 213 is a kind of specific elasticity Dustproof construction, prevent transmission shaft 215 it is enterprising enter dust, influence close movement.211 rotor speed of servo motor is by input signal control System, and can fast reaction, in automatic control system, be used as executive component, and have electromechanical time constant is small, the linearity is high, The characteristics such as pickup voltage, the angular displacement that the electric signal received can be converted on motor reel or angular speed output, to make Gradual change type light-dividing device 210 is acted according to default program.
Gradual change type energy is divided eyeglass 219 using beam splitter, and function is to 650nm and 1064nm wavelength achievement unit Divide transmission+part reflection, reaches the beam splitting effect being divided into two to incident light.Beam splitter is set with incident light in 45 degree of angles It sets, according to law of conservation of energy, energy (100%)=transmitted light energy (T%)+reflected light energy (R%)+loss of incident light (absorb, scatter etc., unit ppm).In actual production, due to absorbing scattering loss very little (ppm rank), so incident optical energy Measure (100%) ≈ transmitted light energy (T%)+reflected light energy (R%).Wherein transmitted light continues to be used for subsequent work forward, Reflected light is directly coupled by laser couplers 230 after the detection of the first energy negative feedback arrangement 220.
Gradual change type energy light splitting eyeglass 219 is simultaneously anti-reflection mirror, upper part be divided into 80% it is anti-reflection in proportion successively gradually under Be down to 20%, wherein can the anti-reflection range of gradual change be 79%~21%, i.e., gradual change when energy light splitting eyeglass lit transmissive from top to bottom Ratio be gradually reduced.
After the laser energy size that the first energy negative feedback arrangement 220 detects on each coupling optical path component 200, if It needs to adjust, then control device 400 directly controls servo motor 211 and provides power drive transmission shaft 215, to drive gradual change type Energy light splitting eyeglass 219 moves up and down;Change incoming position of the laser on gradual change type energy light splitting eyeglass 219, finally changes Become the laser energy size of transmissive.
It in an embodiment of the utility model, further include upper limit inductive pick-up 2110, lower limit inductive pick-up 2111, upper limit anti-dazzling screen 2112 and lower limit anti-dazzling screen 2113, upper limit inductive pick-up 2110 and lower limit induction sensing Device 2111 is separately positioned on the two sides up and down of slide bar support 217, and upper limit anti-dazzling screen 2112 and lower limit anti-dazzling screen 2113 are distinguished The two sides up and down of eyeglass support 218 are set, and upper limit inductive pick-up 2110 and lower limit inductive pick-up 2111 with Control device connection.Upper limit inductive pick-up 2110 and lower limit inductive pick-up 2111 are photoelectric sensor, for examining Surveying eyeglass support 218 is the spectroscopical motion profile of gradual change type energy, prevents its excessive movement, can send a signal to control in time Device 400 processed cuts off the circuit of servo motor 211.
It in an embodiment of the utility model, further include the second energy negative feedback arrangement 500, the second energy negative feedback arrangement 500 are located along the same line with the transmission light velocity of quartzy reflecting mirror 300, and the second energy negative feedback arrangement 500 and control device 400 connections.Quartzy reflecting mirror 300 is not accomplished to be totally reflected yet, and still has fractional transmission light, increases by the second energy negative feedback arrangement 500 Carry out the laser energy size of the sending of detection laser 100.
Laser 100 generates diffusing reflection laser (1064nm wavelength) interference photoelectric sensor (effective work during the work time Making wavelength is that 940) limit returns to completion signal in place, and 1064nm wavelength can be interfered by photoelectric sensor receiving plane, make photoelectricity Sensor directly affects entire welding system and is in uncontrollable state, increases failure rate, incudes to this problem in upper limit The design of the reception signal end face of sensor 2110 and lower limit inductive pick-up 2111 installs a piece of anti-interference reflector plate additional, on one side (diffusing reflection laser (1064nm wavelength) enters photoelectric sensor and receives signal end face, on one side by high anti-plated film 1064nm, completely blocking Anti-reflection film 940nm is plated, photoelectric sensor can be entered directly through anti-interference eyeglass and receives signal end face.It can shield completely so sharp Light diffusing reflection 1064nm wavelength is to the signal interference of photoelectric sensor, so that signal feedback command is controllably more accurate.
The beneficial effects of the utility model are:
1, the uniformity controlling exported is divided≤1% for two-way or multi-path laser energy, can guarantee accurate device Multichannel while welding stability;
2, equipment can carry out every road calibration by system at regular intervals, to guarantee that equipment exports the stability of energy for a long time;
3, energy setting can be exported to every road by system, the laser welding process requirement of more occasion diversification can be met;
4, manufacture, maintenance cost are low, use simple, debugging rapid and convenient;
5, it can detecte laser energy caused by power network fluctuation interference, water temperature variation and 100 aging of laser not Stablize.
The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in Other related technical areas are also included in the patent protection scope of the utility model.

Claims (6)

1. a kind of YAG multiple beam is divided gradual change type optical path negative feed back control system characterized by comprising laser, at least one Coupling optical path component, quartzy reflecting mirror and control device;Each coupling optical path component includes gradual change type light-dividing device, first The light beam of energy negative feedback arrangement and laser couplers, the quartz reflecting mirror and the laser is arranged in 45 degree of angles, described The deflecting light beams of gradual change type light-dividing device and the quartzy reflecting mirror are arranged in 45 degree angles, the first energy negative feedback arrangement with The deflecting light beams of the laser couplers and the gradual change type light-dividing device are located in a straight line, and first energy is negative anti- Device is presented between the laser couplers and the gradual change type light-dividing device;The first energy negative feedback arrangement and described The uniformly control device connection of gradual change type light-dividing device.
2. YAG multiple beam as described in claim 1 is divided gradual change type optical path negative feed back control system, which is characterized in that described Gradual change type light-dividing device includes: servo motor, motor connecting base, dust guard, shaft coupling, transmission shaft, two accurate slide bars, slide bar Support, eyeglass support and gradual change type energy are divided eyeglass;The servo motor is fixed on the motor connecting base, the motor Attachment base is fixed on the slide bar support, and the servo motor passes through the shaft coupling and the transmission axis connection, the biography Moving axis is connect with the eyeglass support, and the gradual change type energy light splitting eyeglass is arranged in the eyeglass support;Two precisions The two sides in the slide bar support are arranged in slide bar, are slidably arranged on the two accurate slide bars on the eyeglass support, and institute It states eyeglass support and the transmission shaft side is provided with dust guard, the dust guard setting is connected to the eyeglass support Between the slide bar support.
3. YAG multiple beam as claimed in claim 2 is divided gradual change type optical path negative feed back control system, which is characterized in that also wrap Include upper limit inductive pick-up, lower limit inductive pick-up, upper limit anti-dazzling screen and lower limit anti-dazzling screen, the upper limit induction Sensor and the lower limit inductive pick-up are separately positioned on the two sides up and down of the slide bar support, the upper limit anti-dazzling screen The two sides up and down of the eyeglass support, and the upper limit inductive pick-up and institute are separately positioned on the lower limit anti-dazzling screen Lower limit inductive pick-up is stated to connect with the control device.
4. YAG multiple beam as claimed in any one of claims 1-3 is divided gradual change type optical path negative feed back control system, feature It is, further includes the second energy negative feedback arrangement, the transmitted light of the second energy negative feedback arrangement and the quartzy reflecting mirror Speed is located along the same line, and the second energy negative feedback arrangement is connect with the control device.
5. YAG multiple beam as claimed in claim 3 is divided gradual change type optical path negative feed back control system, which is characterized in that described The signal receiving end of upper limit inductive pick-up and the lower limit inductive pick-up is provided with anti-interference reflector plate.
6. YAG multiple beam as claimed in claim 5 is divided gradual change type optical path negative feed back control system, which is characterized in that described Anti-interference one surface of reflector plate is respectively arranged with high anti-plated film, and another side is provided with anti-reflection film.
CN201822228396.1U 2018-12-27 2018-12-27 A kind of YAG multiple beam light splitting gradual change type optical path negative feed back control system Active CN209349686U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822228396.1U CN209349686U (en) 2018-12-27 2018-12-27 A kind of YAG multiple beam light splitting gradual change type optical path negative feed back control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822228396.1U CN209349686U (en) 2018-12-27 2018-12-27 A kind of YAG multiple beam light splitting gradual change type optical path negative feed back control system

Publications (1)

Publication Number Publication Date
CN209349686U true CN209349686U (en) 2019-09-06

Family

ID=67799932

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822228396.1U Active CN209349686U (en) 2018-12-27 2018-12-27 A kind of YAG multiple beam light splitting gradual change type optical path negative feed back control system

Country Status (1)

Country Link
CN (1) CN209349686U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110661167A (en) * 2019-09-20 2020-01-07 云谷(固安)科技有限公司 Laser energy compensation system, laser crystallization device and method for compensating laser energy

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110661167A (en) * 2019-09-20 2020-01-07 云谷(固安)科技有限公司 Laser energy compensation system, laser crystallization device and method for compensating laser energy

Similar Documents

Publication Publication Date Title
CN110045468B (en) Single-fiber bidirectional optical coupling assembly
US10228524B2 (en) Optical device and optical module
CN103513348B (en) Chip of light waveguide and PD array lens coupling device
CN204271437U (en) Surface fixed diffraction optics laser module
CN102508344B (en) Automatic coupling device for semiconductor laser diode and implementation method for automatic coupling device
CN209349686U (en) A kind of YAG multiple beam light splitting gradual change type optical path negative feed back control system
CN106597616A (en) Optical module
CN109483051A (en) A kind of YAG multiple beam light splitting gradual change type optical path negative feed back control system
CN103454760B (en) Two-stage focusing sunlight converging device
CN100555028C (en) The optical power equalizer that is used for duplex laser scribing machine
CN105393163A (en) System, method and device for adjusting optical fiber collimator
CN102324975B (en) Single-core two-way optical submodule
CN111505833B (en) Multiband laser coupling technology
CN210427879U (en) High-speed 25G coaxial single-fiber bidirectional optical device with same wavelength
CN207504867U (en) A kind of monitoring system of SR4 optical modules transmission power
CN100537886C (en) Fabric guide line tracking device
CN203838376U (en) Wavelength division multiplexer for compensating coupling loss of 8-degree inclination end face
CN105846294B (en) Monitor the laser of cut state in real time
CN107589489A (en) A kind of light attenuation device of integrated form
CN201628816U (en) Light splitting system
CN205032860U (en) Automatic detect fenestrate laser cutting head
CN204989551U (en) A parallel smooth engine of receiving and dispatching of simple and convenient coupling for inter -plate interconnection
CN208140979U (en) A kind of transmission-type adjustable optical attenuator of integrated TAP-PD
CN208853928U (en) Single beam time-division switching module for laser spot welding system of processing
CN106094127A (en) Optical module

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant