CN108281879A - Laser power self-checking device - Google Patents
Laser power self-checking device Download PDFInfo
- Publication number
- CN108281879A CN108281879A CN201711443588.8A CN201711443588A CN108281879A CN 108281879 A CN108281879 A CN 108281879A CN 201711443588 A CN201711443588 A CN 201711443588A CN 108281879 A CN108281879 A CN 108281879A
- Authority
- CN
- China
- Prior art keywords
- main control
- module
- control module
- laser tube
- temperature
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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
Links
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 238000005516 engineering process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
Abstract
A kind of laser power self-checking device, is related to technical field of electric equipment, and the solution is to can realize power stability, linear convergent rate.The device includes main control module, host computer, laser tube, multilevel voltage amplifier, feedback voltage sample circuit, analog-to-digital conversion module；The host computer is communicated with main control module, issues parameter to main control module, main control module drives laser tube, the output of multilevel voltage amplifier to feed back to main control module by feedback voltage sample circuit, analog-to-digital conversion module by multilevel voltage amplifier；The laser tube is equipped with temperature collecting module, temperature correction module, and temperature collecting module is used to acquire the operating temperature of laser tube and is uploaded to main control module, and temperature correction module is used to that laser tube implementation to be heated or cooled, to control the operating temperature of laser tube.Device provided by the invention, cost of implementation are low.
Description
Technical field
The present invention relates to electrical equipment technologies, more particularly to a kind of technology of laser power self-checking device.
Background technology
The driving voltage and real output of laser and nonideal linear relationship, and temperature, driving voltage are stablized
Property for laser stablize output have a significant impact.Existing laser is all to control laser by simple hardware circuit
Device power stability, linear convergent rate technically realize that difficulty is high, and cost of implementation is also relatively high.
Invention content
Defect present in for the above-mentioned prior art can be realized technical problem to be solved by the invention is to provide a kind of
Power stability, linear convergent rate, and the laser power self-checking device that hardware cost is low.
In order to solve the above-mentioned technical problem, a kind of laser power self-checking device provided by the present invention, feature exist
In：Including main control module, host computer, laser tube, multilevel voltage amplifier, feedback voltage sample circuit, analog-to-digital conversion module；
The communication port of the host computer is connected to the communication port of main control module, and the driving voltage output port of main control module is through more
Step voltage amplifier is connected to the driving voltage input port of laser tube, and the output end of multilevel voltage amplifier is adopted by feedback voltage
Sample circuit is connected to the input end of analog signal mouth of analog-to-digital conversion module, and the digital signal output end mouth of analog-to-digital conversion module is connected to master
Control the voltage feedback signal input port of module；
The laser tube is equipped with temperature collecting module, temperature correction module, the acquisition signal output port of temperature collecting module
It is connected to the temperature signal input mouth of main control module, the calibration signal feedback port of temperature correction module is connected to the work of main control module
Condition signal feedback port；Temperature collecting module is used to acquire the operating temperature of laser tube and is uploaded to main control module, temperature correction
Module is used to that laser tube implementation to be heated or cooled, to control the operating temperature of laser tube.
Further, the main control module is equipped with Working mode set port, and for connecting the outer of external control terminal
The Working mode set port of portion's communication interface, main control module is connected to for the dial-up to main control module sending mode selection instruction
Switch.
Further, further include display, the video signal input terminal mouth of the display is connected to the video of main control module
Signal output port.
Laser power self-checking device provided by the invention controls laser plumber by the way of software and hardware cooperation
Make, can realize power stability, linear convergent rate, and hardware cost is low.
Description of the drawings
Fig. 1 is the structural schematic diagram of the laser power self-checking device of the embodiment of the present invention.
Specific implementation mode
The embodiment of the present invention is described in further detail below in conjunction with description of the drawings, but the present embodiment is not used to limit
The system present invention, every similar structure using the present invention and its similar variation, should all be included in protection scope of the present invention, the present invention
In pause mark indicate the relationship of sum.
As shown in Figure 1, a kind of laser power self-checking device that the embodiment of the present invention is provided, it is characterised in that：Packet
Include main control module, host computer, laser tube, multilevel voltage amplifier, feedback voltage sample circuit, analog-to-digital conversion module；
The communication port of the host computer is connected to the communication port of main control module, and the driving voltage output port of main control module is through more
Step voltage amplifier is connected to the driving voltage input port of laser tube, and the output end of multilevel voltage amplifier is adopted by feedback voltage
Sample circuit is connected to the input end of analog signal mouth of analog-to-digital conversion module, and the digital signal output end mouth of analog-to-digital conversion module is connected to master
Control the voltage feedback signal input port of module；
The laser tube is equipped with temperature collecting module, temperature correction module, the acquisition signal output port of temperature collecting module
It is connected to the temperature signal input mouth of main control module, the calibration signal feedback port of temperature correction module is connected to the work of main control module
Condition signal feedback port；Temperature collecting module is used to acquire the operating temperature of laser tube and is uploaded to main control module, temperature correction
Module is used to that laser tube implementation to be heated or cooled, to control the operating temperature of laser tube；
In the embodiment of the present invention, the main control module is equipped with Working mode set port, and for connecting external control terminal
The Working mode set port of external communication interface, main control module is connected to for dialling to main control module sending mode selection instruction
Code switch.
Further include display in the embodiment of the present invention, the video signal input terminal mouth of the display is connected to main control module
Video signal output mouth.
The embodiment of the present invention can be communicated by host computer with main control module, is issued control parameter to main control module, also may be used
To access external control terminal in the external communication interface of main control module, communicated with main control module by external control terminal, to
Main control module issues control parameter, is worked using master control module controls laser tube.
In the embodiment of the present invention, the main control module is microcontroller, feedback voltage sample circuit, temperature correction module, temperature
It is the prior art to spend calibration module.
The operation principle of the embodiment of the present invention is as follows：
Corresponding mode selection command is sent to main control module using toggle switch, controls the operating mode of main control module, master control
There are two types of the operating modes of module, and one is PC control pattern, another kind is external control model；
Under PC control pattern, main control module is communicated with host computer, receives the control parameter that issues of host computer, and according to connecing
The control parameter control laser tube work received；
Under external control model, main control module is communicated with the external control terminal for being connected to external communication interface, is received external
The control parameter that control terminal issues, and according to the control parameter control laser tube work received；
In the laser tube course of work, laser tube implementation is heated or cooled in temperature correction module, and detects the work temperature of laser tube
Degree, if the operating temperature of laser tube, within the scope of specified temperature, temperature correction module feeds back a temperature to main control module
Signal up to standard, it is on the contrary then to main control module feed back a below standard signal of temperature；
When main control module receives the temperature below standard signal of temperature correction module, driving voltage output port stops output driving
Voltage；
When main control module receives the temperature signal up to standard of temperature correction module, driving voltage output port outputting drive voltage,
And laser tube emissions laser is driven after amplifying by multilevel voltage amplifier, while laser tube is acquired by temperature collecting module
Operating temperature, it is on the contrary then suspend if the operating temperature of laser tube within the scope of specified temperature, continues to output driving voltage
Outputting drive voltage, until the operating temperature of laser tube reaches specified temperature range；
When main control module outputting drive voltage, the output end of multilevel voltage amplifier is turned by feedback voltage sample circuit, modulus
Output voltage is fed back to main control module by mold changing block, and main control module is adjusted according to feedback signal and exported.
Claims (3)
1. a kind of laser power self-checking device, it is characterised in that：Including main control module, host computer, laser tube, multilevel voltage
Amplifier, feedback voltage sample circuit, analog-to-digital conversion module；
The communication port of the host computer is connected to the communication port of main control module, and the driving voltage output port of main control module is through more
Step voltage amplifier is connected to the driving voltage input port of laser tube, and the output end of multilevel voltage amplifier is adopted by feedback voltage
Sample circuit is connected to the input end of analog signal mouth of analog-to-digital conversion module, and the digital signal output end mouth of analog-to-digital conversion module is connected to master
Control the voltage feedback signal input port of module；
The laser tube is equipped with temperature collecting module, temperature correction module, the acquisition signal output port of temperature collecting module
It is connected to the temperature signal input mouth of main control module, the calibration signal feedback port of temperature correction module is connected to the work of main control module
Condition signal feedback port；Temperature collecting module is used to acquire the operating temperature of laser tube and is uploaded to main control module, temperature correction
Module is used to that laser tube implementation to be heated or cooled, to control the operating temperature of laser tube.
2. laser power self-checking device according to claim 1, it is characterised in that：The main control module is equipped with work
Pattern sets port, and the external communication interface for connecting external control terminal, the Working mode set port of main control module
It is connected to for the toggle switch to main control module sending mode selection instruction.
3. laser power self-checking device according to claim 1, it is characterised in that：Further include display, it is described aobvious
Show that the video signal input terminal mouth of device is connected to the video signal output mouth of main control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711443588.8A CN108281879A (en) | 2017-12-27 | 2017-12-27 | Laser power self-checking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711443588.8A CN108281879A (en) | 2017-12-27 | 2017-12-27 | Laser power self-checking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108281879A true CN108281879A (en) | 2018-07-13 |
Family
ID=62802387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711443588.8A Pending CN108281879A (en) | 2017-12-27 | 2017-12-27 | Laser power self-checking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108281879A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021022647A (en) * | 2019-07-26 | 2021-02-18 | ファナック株式会社 | Control arrangement and control method for controlling laser oscillator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1801551A (en) * | 2006-01-12 | 2006-07-12 | 中国科学院上海光学精密机械研究所 | Control System of Laser Diode Pumping Source |
| CN203734132U (en) * | 2014-01-10 | 2014-07-23 | 蚌埠道生精密光电科技有限公司 | Laser light source |
| CN207691191U (en) * | 2017-12-27 | 2018-08-03 | 上海如海光电科技有限公司 | Laser power self-checking device |
-
2017
- 2017-12-27 CN CN201711443588.8A patent/CN108281879A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1801551A (en) * | 2006-01-12 | 2006-07-12 | 中国科学院上海光学精密机械研究所 | Control System of Laser Diode Pumping Source |
| CN203734132U (en) * | 2014-01-10 | 2014-07-23 | 蚌埠道生精密光电科技有限公司 | Laser light source |
| CN207691191U (en) * | 2017-12-27 | 2018-08-03 | 上海如海光电科技有限公司 | Laser power self-checking device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021022647A (en) * | 2019-07-26 | 2021-02-18 | ファナック株式会社 | Control arrangement and control method for controlling laser oscillator |
| JP7343324B2 (en) | 2019-07-26 | 2023-09-12 | ファナック株式会社 | Control device and control method for controlling a laser oscillator |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180713 |
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| WD01 | Invention patent application deemed withdrawn after publication |