CN107706706A - Control method, device, laser, the equipment with laser of laser - Google Patents
Control method, device, laser, the equipment with laser of laser Download PDFInfo
- Publication number
- CN107706706A CN107706706A CN201711188374.0A CN201711188374A CN107706706A CN 107706706 A CN107706706 A CN 107706706A CN 201711188374 A CN201711188374 A CN 201711188374A CN 107706706 A CN107706706 A CN 107706706A
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- China
- Prior art keywords
- signal
- laser
- road signal
- pumping source
- control
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
- H01S5/042—Electrical excitation ; Circuits therefor
Abstract
The present embodiments relate to field of laser device technology, control method, device, laser, the equipment with laser of laser are disclosed.The control method of the laser includes：The power control signal received is isolated and matched, is divided into first via signal and second road signal；It is used for the working condition for monitoring laser after being sampled to the first via signal；The power of the second road signal control pumping source is exported with power control signal described in quick response.Technical scheme disclosed in the embodiment of the present invention enables laser quick response to carry the power control signal that the equipment of laser provides, and is advantageous to improve production efficiency.In addition technical scheme disclosed in the embodiment of the present invention be also beneficial to expansion of laser light device using field and the scene that can apply.
Description
Technical field
Technical scheme disclosed in the embodiment of the present invention is related to field of laser device technology, more particularly to the controlling party of laser
Method, device, laser, the equipment with laser.
Background technology
At present, it is more and more using the process equipment of laser.Described process equipment one task to be processed of formation
Power control signal, the power control signal are used for the power for controlling laser.
Inventor has found that laser is for the power control signal in the prior art during the present invention is studied
Response speed is excessively slow.
The content of the invention
Technical scheme disclosed by the invention at least can solve the problem that following technical problem：Laser is for described in the prior art
The response speed of power control signal is excessively slow.
One or more embodiment of the present invention discloses a kind of control method of laser, including：To what is received
Power control signal is isolated and matched, and is divided into first via signal and second road signal；The first via signal is adopted
It is used for the working condition for monitoring laser after sample；The power of the second road signal control pumping source is exported with described in quick response
Power control signal.
In one or more embodiment of the present invention, in addition to：Generate when needed and export the 3rd road signal control
The power of pumping source processed.
In one or more embodiment of the present invention, the second road signal and described the are exported in a manner of selecting one
The power of three road signal control pumping sources.
One or more embodiment of the present invention also discloses a kind of control device of laser, including：Machine-Tool Control
Interface, for access power control signal；Signal isolation and matching unit, for entering to the power control signal received
Row isolation is divided into first via signal and second road signal, the first via signal is delivered to A/D converting units, described with matching
Second road signal is delivered to channel selection unit；A/D converting units, for the first via signal to be converted into data signal；
Control unit, for being sampled to the data signal being converted into by the first via signal received, then export to PC
Hold to monitor the working condition of laser；Channel selection unit, for select the second road signal that receives export to
Pumping source driver element；Pumping source driver element, for driving pumping source work according to the second road signal with quick response
The power control signal.
In one or more embodiment of the present invention, the control device of the laser also includes D/A converting units；
The PC ends produce the 3rd road signal and sent to described control unit when needed, and described control unit is by the 3rd road signal
Send to the D/A converting units, the D/A converting units and inputted after the 3rd road signal is converted into analog signal to institute
Channel selection unit is stated, the 3rd tunnel signal output to the pumping source that the channel selection unit selection receives drives
Unit, the pumping source driver element drive pumping source work to respond the 3rd road signal according to the 3rd road signal.
In one or more embodiment of the present invention, the channel selection unit exports described the in a manner of selecting one
Two road signals and the 3rd tunnel signal output are to the pumping source driver element.
In one or more embodiment of the present invention, the signal isolation includes two output ends with matching unit,
One of output end exports the first via signal to A/D converting units, another output end and exports the second road signal
To channel selection unit.
In one or more embodiment of the present invention, the channel selection unit includes：First analog input circuit,
It is connected in the form of circuit with the D/A converting units；Second analog input circuit, in the form of circuit with the signal isolation
The output end that the second road signal is exported with matching unit is connected；Channel selector switch, with described first in the form of circuit
The channel selecting pin connection of analog input circuit, second analog input circuit and described control unit；Simulation output
Circuit, in the form of circuit with first analog input circuit, second analog input circuit, the channel selector switch
And the pumping source driver element connection, for exporting the second road signal or described to the pumping source driver element
3rd road signal.
One or more embodiment of the present invention also discloses a kind of laser, and the laser includes above-mentioned any one
The control device of kind laser.Or the laser is using the control method control pumping source of any one above-mentioned laser
Power.
One or more embodiment of the present invention also discloses a kind of equipment with laser, described to carry laser
Equipment include the control device of any one above-mentioned laser.Or the equipment with laser is using above-mentioned any
A kind of power of the control method control pumping source of laser.
Compared with prior art, technical scheme disclosed by the invention mainly has following beneficial effect：
In an embodiment of the present invention, the control method of the laser includes：The power control signal received is entered
Row isolation is divided into first via signal and second road signal with matching；It is sharp for monitoring after being sampled to the first via signal
The working condition of light device；The power of the second road signal control pumping source is exported with power control signal described in quick response.
By the way that the power control signal received is divided into first via signal and second road signal, wherein the first via signal is used to monitor
The working condition of laser, thus the working condition of laser can be analyzed and judged to be adjusted when needing
The laser power of laser output.The second road signal is either directly output the power of control pumping source, thus can quickly ring
Answer the power control signal.Laser quick response is enabled to carry setting for laser in technical scheme disclosed by the invention
The standby power control signal provided, be advantageous to improve production efficiency.
Brief description of the drawings
Fig. 1 is the schematic diagram of the control device of laser in one embodiment of the invention；
Fig. 2 is the circuit structure figure of signal isolation and matching unit in one embodiment of the invention；
Fig. 3 is the circuit structure figure of A/D converting units in one embodiment of the invention；
Fig. 4 is the circuit structure figure of control unit in one embodiment of the invention；
Fig. 5 is the circuit structure figure of channel selection unit in one embodiment of the invention；
Fig. 6 is the circuit structure figure of D/A converting units in one embodiment of the invention.
Description of reference numerals：10- Machine-Tool Controls interface, 20- signal isolations and matching unit, 30-A/D converting units, 40-
Control unit, 50- channel selection units, 60- pumping sources driver element, 70-D/A converting units.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give presently preferred embodiments of the present invention.But the present invention can realize in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose for providing these embodiments is to make the understanding to the disclosure more thorough
Comprehensively.
Unless otherwise defined, circuit diagram makes in all of technologies and scientific terms used here by the article and Figure of description
Electricity symbol is identical with belonging to the implication that the those skilled in the art of the present invention are generally understood that.Herein in the present invention
Term used in the description be intended merely to describe specific embodiment purpose, it is not intended that in limitation the present invention.
The power control signal of a task to be processed, the power control signal are formed using the process equipment of laser
For controlling the power of laser.By taking the marking machine of application optical fiber laser as an example, it forms the power for treating mark task
Control signal is to control the power of optical fiber laser so that the laser power and current mark task phase of optical fiber laser output
Matching.It is more convenient that the power control signal is converted into the process of the analog signal of controllable optical fiber laser, is more advantageous to
Power control signal described in the optical fiber laser quick response.
One embodiment of the invention discloses a kind of control method of laser, below by specific embodiment to the present invention's
Technical scheme illustrates, and the control method for the laser being related in embodiment is preferred embodiment, not
The all possible embodiment of the present invention.
A kind of control method of laser, including：The power control signal received is isolated and matched, is divided into
Signal and second road signal all the way.It is used for the working condition for monitoring laser after being sampled to the first via signal.Output
The power of the second road signal control pumping source is with power control signal described in quick response.
By the way that the power control signal received is divided into first via signal and second road signal, wherein the first via signal
For monitoring the working condition of laser, thus the working condition of laser can be analyzed and judged so as in needs
When adjust laser output laser power.The second road signal is either directly output the power of control pumping source, thus can
With power control signal described in quick response.
In a kind of possible embodiment of the present invention, in addition to：Generate when needed and export the 3rd road signal control
The power of pumping source processed.The 3rd road signal is not influenceed by the process equipment feedback of application laser, therefore the described 3rd
Road signal can be used for test, scientific experiment, laser teaching of instrument etc..The 3rd road signal and the second road signal are all
Can be applied to the control of same laser, be advantageous to expansion of laser light device using field and the scene that can apply.
In a kind of possible embodiment of the present invention, the second road signal and described the are exported in a manner of selecting one
The power of three road signal control pumping sources.Exporting the second road signal and the 3rd road signal control in a manner of selecting one
The power of pumping source processed, it is possible to prevente effectively from being interfered between the second road signal and the 3rd road signal.
Those skilled in the art is it is to be appreciated that the control method of any one above-mentioned laser can be applied not only to light
Fibre laser is also applied to other kinds of laser, therefore the control method of any one above-mentioned laser is applied to
Other kinds of laser should still fall within the protection domain of the application.
Based on the control method of the laser disclosed in above-described embodiment, another embodiment of the present invention discloses a kind of laser
The control device of device.With reference to figure 1, for the schematic diagram of the control device of laser in one embodiment of the invention.
Anticipate as shown in fig. 1, the control device of described laser includes：
Machine-Tool Control interface 10, for access power control signal；
Signal isolation and matching unit 20, for the power control signal received to be isolated and matched, point
Into first via signal and second road signal, the first via signal is delivered to A/D conversions, and (Analog to Digital, modulus turn
Change) unit 30, the second road signal is delivered to channel selection unit 50；
A/D converting units 30, for the first via signal to be converted into data signal；
Control unit 40, for being sampled to the data signal being converted into by the first via signal received, so
Export afterwards to PC ends to monitor the working condition of laser；The PC ends are host computer, by the host computer to sampling
The data signal is handled, and then makes judge to the working condition of laser by the host computer.
Channel selection unit 50, the second road signal for selecting to receive are exported to pumping source driver element 60；
Pumping source driver element 60, for according to the second road signal drive pumping source work with quick response described in work(
Rate control signal.
In a kind of possible embodiment of the present invention, the control device of described laser, which also includes D/A, to be changed
(Digital to Analog, digital-to-analogue conversion) unit 70.The PC ends produce the 3rd road signal and sent to the control when needed
Unit 40 processed, described control unit 40 send the 3rd road signal single to the D/A converting units 70, the D/A conversions
Member 70 is inputted to the channel selection unit 50, the channel selection unit after the 3rd road signal is converted into analog signal
50 the 3rd tunnel signal outputs that receive of selection are to the pumping source driver element 60, the pumping source driver element 60
Worked according to the 3rd road signal driving pumping source to respond the 3rd road signal.
In a kind of possible embodiment of the present invention, the channel selection unit 50 is exported described in a manner of selecting one
Second road signal and the 3rd tunnel signal output are to the pumping source driver element 60.
In a kind of possible embodiment of the present invention, described control unit 40 accesses the PC by UART serial ports
End.
In a kind of possible embodiment of the present invention, the signal isolation includes two outputs with matching unit 20
End, one of output end export the first via signal to A/D converting units 30, another output end and export second tunnel
Signal is to channel selection unit 50.
In a kind of possible embodiment of the present invention, the channel selection unit 50 includes：
First analog input circuit, it is connected in the form of circuit with the D/A converting units 70；
Second analog input circuit, second tunnel is exported with matching unit 20 with the signal isolation in the form of circuit
The output end connection of signal；
Channel selector switch, in the form of circuit with first analog input circuit, second analog input circuit
And the channel selecting pin connection of described control unit 40；
Analog output circuit, in the form of circuit with first analog input circuit, second analog input circuit,
The channel selector switch and the pumping source driver element 60 connect, for exporting institute to the pumping source driver element 60
State second road signal or the 3rd road signal.
Based on the control device of the laser disclosed in above-described embodiment, the control device of the laser is further disclosed
Physical circuit figure.Referring to figs. 1 to Fig. 6, wherein Fig. 2 is signal isolation and the circuit of matching unit 20 in one embodiment of the invention
Structural map, Fig. 3 are the circuit structure figure of A/D converting units 30 in one embodiment of the invention, and Fig. 4 is to be controlled in one embodiment of the invention
The circuit structure figure of unit 40 processed, Fig. 5 are the circuit structure figure of channel selection unit 50 in one embodiment of the invention, and Fig. 6 is this
Invent the circuit structure figure of D/A converting units 70 in an embodiment.
The circuit POWER2ADC illustrated in Fig. 2 is connected with the circuit POWER2ADC illustrated in Fig. 3, namely signal every
The first via signal is inputted to the A/D converting units 30 from an output end with matching unit 20, so as to by described
Signal is converted into data signal all the way.The circuit POWER2DRV illustrated in the circuit POWER2DRV illustrated in Fig. 2 and Fig. 5 is to connect
Connect, namely signal isolation and another output end of matching unit 20 input second tunnel to the channel selection unit 50
Signal.The second road signal is analog signal, is changed back and forth without carrying out modulus, is used directly for controlling pumping source driving
Unit 60 drives pumping source work, thus can shorten the time to power control signal processing, is advantageous to pumping source drive
Moving cell 60 is rapidly made a response to the power control signal, namely is advantageous to laser and is rapidly exported what is suited the requirements
Laser power.
The circuit SDATA ADC illustrated in Fig. 3 are connected with the circuit SDATA ADC illustrated in Fig. 4, namely A/D turns
Change the serial data SDATA access described control units 40 of unit 30.Illustrate in the circuit CS ADC illustrated in Fig. 3 and Fig. 4
Circuit CS ADC are to connect, namely the CS pins access described control unit 40 of A/D converting units 30.The line illustrated in Fig. 3
Road SCLK ADC are connected with the circuit SCLK ADC illustrated in Fig. 4, namely the SCLK pins access institute of A/D converting units 30
State control unit 40.
The circuit DATA DAC illustrated in Fig. 4 are connected with the circuit DATA DAC illustrated in Fig. 6, namely control unit
40 DATA pins electrically connect with the DATA pins of D/A converting units 70.The circuit CLK DAC illustrated in Fig. 4 in Fig. 6 with illustrating
Circuit CLK DAC be connection, namely the CLK pin of control unit 40 electrically connects with the CLK pin of D/A converting units 70.
The circuit LOAD DAC illustrated in Fig. 4 are connected with the circuit LOAD DAC illustrated in Fig. 6, namely the LOAD of control unit 40
Pin electrically connects with the LOAD pins of D/A converting units 70.
The connected circuit SELECT EXT ON of the input 9 of the phase inverter illustrated in Fig. 5 lines with illustrating in Fig. 4 respectively
Another circuit SELECT EXT ON illustrated in road SELECT EXT ON and Fig. 5 are connections.The phase inverter illustrated in Fig. 5
Another circuit SELECT INTERAL ON illustrated in the connected circuit SELECT INTERAL ON and Fig. 5 of output end 8 are to connect
Connect.The circuit INTERNAL POWER illustrated in Fig. 5 are connected with the circuit INTERNAL POWER illustrated in Fig. 6.
Fig. 2 to Fig. 6 is refer on the specific configuration of each circuit and operation to understand.Those skilled in the art should
Solution, the circuit diagram that Fig. 2 to Fig. 6 illustrates is a kind of embodiment of the control device of laser illustrated in Figure 1, if simply
Fig. 2 to Fig. 6 either circuits figure is simply improved with reference to the common knowledge and/or prior art of this area, all should be still
So within protection scope of the present invention.
One embodiment of the invention discloses a kind of laser, and the laser includes the control of any one above-mentioned laser
Device.
One embodiment of the invention discloses a kind of equipment with laser, and the equipment with laser includes above-mentioned
The control device of any one laser.Equipment with laser can be laser marking machine, laser cutting machine, body laser inner carving
Machine or laser-beam welding machine.
When the technical scheme in above-mentioned each embodiment uses software to realize, above-mentioned each embodiment can will be realized
Computer instruction and/or data storage in computer-readable medium or as one or more instructions on computer-readable recording medium or
Code is transmitted.Computer-readable medium includes computer-readable storage medium and communication media, and wherein communication media includes being easy to
Any medium of computer program is transmitted from a place to another place.Storage medium can be that computer can store
Any usable medium.As example but not limited to this：Computer-readable medium can include RAM, ROM, EEPROM, CD-ROM or
Other optical disc storages, magnetic disk storage medium or other magnetic storage apparatus or can carry or store with instruction or data
The desired program code of structure type simultaneously can be by any other medium of computer access.In addition, any connection can fit
When turn into computer-readable medium.For example, if software is using coaxial cable, light pricker optical cable, twisted-pair feeder, Digital Subscriber Line
(DSL) either the wireless technology of such as infrared ray, radio and microwave etc is transmitted from website, server or other remote sources
, then the wireless technology bag of coaxial cable, optical fiber cable, twisted-pair feeder, DSL or such as infrared ray, wireless and microwave etc
Include in the definition of affiliated medium.
Finally it should be noted that：Above example is only to illustrate the technical scheme of the application, rather than its limitations.Although
The application is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
And these modification or replace, do not make appropriate technical solution essence depart from each embodiment technical scheme of the application spirit and
Scope.
Claims (10)
- A kind of 1. control method of laser, it is characterised in that including：To the power control signal received carry out isolation with Match somebody with somebody, be divided into first via signal and second road signal；It is used for the work for monitoring laser after being sampled to the first via signal State；The power of the second road signal control pumping source is exported with power control signal described in quick response.
- 2. the control method of laser according to claim 1, it is characterised in that be additionally included in when needing and generate and export The power of 3rd road signal control pumping source.
- 3. the control method of laser according to claim 2, it is characterised in that described second is exported in a manner of selecting one The power of road signal and the 3rd road signal control pumping source.
- A kind of 4. control device of laser, it is characterised in that including：Machine-Tool Control interface, for access power control signal；Signal isolation and matching unit, for the power control signal received to be isolated and matched, it is divided into first Road signal and second road signal, the first via signal are delivered to A/D converting units, and the second road signal is delivered to passage choosing Select unit；A/D converting units, for the first via signal to be converted into data signal；Control unit, for being sampled to the data signal being converted into by the first via signal received, then export To PC ends to monitor the working condition of laser；Channel selection unit, the second road signal for selecting to receive are exported to pumping source driver element；Pumping source driver element, for according to the second road signal drive pumping source work with quick response described in Power Control Signal.
- 5. the control device of laser according to claim 4, it is characterised in that also including D/A converting units；Needing Shi Suoshu PC ends produce the 3rd road signal and sent to described control unit, described control unit by the 3rd road signal send to The D/A converting units, the D/A converting units are inputted to the passage after the 3rd road signal is converted into analog signal Selecting unit, the 3rd tunnel signal output that the channel selection unit selection receives to the pumping source driver element, The pumping source driver element drives pumping source work to respond the 3rd road signal according to the 3rd road signal.
- 6. the control device of laser according to claim 5, it is characterised in that the channel selection unit is to select one Mode exports the second road signal and the 3rd tunnel signal output to the pumping source driver element.
- 7. the control device of laser according to claim 5, it is characterised in that the signal isolation and matching unit bag Two output ends are included, one of output end exports the first via signal to A/D converting units, another output end output institute Second road signal is stated to channel selection unit.
- 8. the control device of laser according to claim 7, it is characterised in that the channel selection unit includes：First analog input circuit, it is connected in the form of circuit with the D/A converting units；Second analog input circuit, the second road signal is exported with the signal isolation and matching unit in the form of circuit Output end connects；Channel selector switch, in the form of circuit with first analog input circuit, second analog input circuit and The channel selecting pin connection of described control unit；Analog output circuit, in the form of circuit with first analog input circuit, second analog input circuit, described Channel selector switch and pumping source driver element connection, for exporting second tunnel to the pumping source driver element Signal or the 3rd road signal.
- 9. a kind of laser, it is characterised in that include the control device of the laser described in claim 4 to 8 any one.
- 10. a kind of equipment with laser, it is characterised in that including the laser described in claim 4 to 8 any one Control device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711188374.0A CN107706706B (en) | 2017-11-23 | 2017-11-23 | Laser control method and device, laser and equipment with laser |
| PCT/CN2018/117097 WO2019101154A1 (en) | 2017-11-23 | 2018-11-23 | Laser controlling method and apparatus, laser, and device having laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711188374.0A CN107706706B (en) | 2017-11-23 | 2017-11-23 | Laser control method and device, laser and equipment with laser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107706706A true CN107706706A (en) | 2018-02-16 |
| CN107706706B CN107706706B (en) | 2020-09-15 |
Family
ID=61180852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711188374.0A Active CN107706706B (en) | 2017-11-23 | 2017-11-23 | Laser control method and device, laser and equipment with laser |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107706706B (en) |
| WO (1) | WO2019101154A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019101154A1 (en) * | 2017-11-23 | 2019-05-31 | 深圳市创鑫激光股份有限公司 | Laser controlling method and apparatus, laser, and device having laser |
| CN113189903A (en) * | 2021-04-12 | 2021-07-30 | 无锡锐科光纤激光技术有限责任公司 | Laser control device and method |
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| CN107706706B (en) * | 2017-11-23 | 2020-09-15 | 深圳市创鑫激光股份有限公司 | Laser control method and device, laser and equipment with laser |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2019101154A1 (en) | 2019-05-31 |
| CN107706706B (en) | 2020-09-15 |
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