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 PDFInfo
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- 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
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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
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.
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| 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 |
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Cited By (1)
| 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 |
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2018
- 2018-12-27 CN CN201822228396.1U patent/CN209349686U/en active Active
Cited By (1)
| 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 |
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