CN207691191U - Laser power self-checking device - Google Patents
Laser power self-checking device Download PDFInfo
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- CN207691191U CN207691191U CN201721861555.0U CN201721861555U CN207691191U CN 207691191 U CN207691191 U CN 207691191U CN 201721861555 U CN201721861555 U CN 201721861555U CN 207691191 U CN207691191 U CN 207691191U
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- main control
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- control module
- laser tube
- temperature
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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 utility model, cost of implementation are low.
Description
Technical field
The utility model is related 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, the technical problem to be solved by the utility model is to provide a kind of energy
Realize 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 utility model, it is special
Sign is：Including main control module, host computer, laser tube, multilevel voltage amplifier, feedback voltage sample circuit, analog-to-digital conversion mould
Block；
The communication port of the host computer is connected to the communication port of main control module, the driving voltage output port of main control module
The driving voltage input port of laser tube is connected to through multilevel voltage amplifier, the output end of multilevel voltage amplifier is by feeding back electricity
Pressure 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 connects
To the voltage feedback signal input port of main control module；
The laser tube is equipped with temperature collecting module, temperature correction module, the acquisition signal output of temperature collecting module
Port is connected to the temperature signal input mouth of main control module, and the calibration signal feedback port of temperature correction module is connected to main control module
Working 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
Calibration 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 utility model controls laser tube by the way of software and hardware cooperation
Work, 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 utility model embodiment.
Specific implementation mode
The embodiments of the present invention are described in further detail below in conjunction with description of the drawings, but the present embodiment and are not had to
In limitation the utility model, every similar structure using the utility model and its similar variation should all be included in the utility model
Protection domain, the pause mark in the utility model indicates the relationship of sum.
As shown in Figure 1, a kind of laser power self-checking device that the utility model embodiment is provided, 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, the driving voltage output port of main control module
The driving voltage input port of laser tube is connected to through multilevel voltage amplifier, the output end of multilevel voltage amplifier is by feeding back electricity
Pressure 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 connects
To the voltage feedback signal input port of main control module；
The laser tube is equipped with temperature collecting module, temperature correction module, the acquisition signal output of temperature collecting module
Port is connected to the temperature signal input mouth of main control module, and the calibration signal feedback port of temperature correction module is connected to main control module
Working 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
Calibration module is used to that laser tube implementation to be heated or cooled, to control the operating temperature of laser tube；
In the utility model embodiment, the main control module is equipped with Working mode set port, and for connecting external control
The Working mode set port of the external communication interface of terminal processed, main control module is connected to for being selected to main control module sending mode
The toggle switch of instruction.
Further include display in the utility model embodiment, the video signal input terminal mouth of the display is connected to master control
The video signal output mouth of module.
The utility model embodiment can be communicated by host computer with main control module, and control parameter is issued to main control module,
External control terminal can also be accessed in the external communication interface of main control module, it is logical by external control terminal and main control module
Letter, control parameter is issued to main control module, is worked using master control module controls laser tube.
In the utility model embodiment, the main control module is microcontroller, feedback voltage sample circuit, temperature correction mould
Block, temperature correction module are the prior art.
The operation principle of the utility model embodiment is as follows：
Corresponding mode selection command is sent to main control module using toggle switch, controls the operating mode of main control module,
There are two types of the operating modes of main control 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 host computer issues, and root
According to 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
The control parameter that external 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 of laser tube
Make temperature, if the operating temperature of laser tube, within the scope of specified temperature, temperature correction module feeds back one to main control module
Temperature 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 output driving electricity
Pressure, and laser tube emissions laser is driven after amplifying by multilevel voltage amplifier, while laser is acquired by temperature collecting module
The operating temperature of pipe, if the operating temperature of laser tube within the scope of specified temperature, continues to output driving voltage, it is on the contrary then
Suspend 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 passes through feedback voltage sample circuit, mould
Output voltage is fed back to main control module by number conversion module, 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 |
|---|---|---|---|
| CN201721861555.0U CN207691191U (en) | 2017-12-27 | 2017-12-27 | Laser power self-checking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721861555.0U CN207691191U (en) | 2017-12-27 | 2017-12-27 | Laser power self-checking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207691191U true CN207691191U (en) | 2018-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721861555.0U Active CN207691191U (en) | 2017-12-27 | 2017-12-27 | Laser power self-checking device |
Country Status (1)
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| CN (1) | CN207691191U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281879A (en) * | 2017-12-27 | 2018-07-13 | 上海如海光电科技有限公司 | Laser power self-checking device |
-
2017
- 2017-12-27 CN CN201721861555.0U patent/CN207691191U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281879A (en) * | 2017-12-27 | 2018-07-13 | 上海如海光电科技有限公司 | Laser power self-checking device |
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