CN208015063U - A kind of device of monitoring pulse laser working condition - Google Patents
A kind of device of monitoring pulse laser working condition Download PDFInfo
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- CN208015063U CN208015063U CN201820594786.8U CN201820594786U CN208015063U CN 208015063 U CN208015063 U CN 208015063U CN 201820594786 U CN201820594786 U CN 201820594786U CN 208015063 U CN208015063 U CN 208015063U
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Abstract
The utility model is related to monitor the engineering device technique field of pulse laser working condition, more particularly to a kind of device of monitoring pulse laser working condition.It includes photoelectric conversion module, and the optical signal for emitting pulse laser is converted to and the relevant electric signal of light intensity;Integral Transformation module, for the transformed electric signal of the photoelectric conversion module to be converted to the identical electric signal of amplitude;Micro treatment module, for the identical electric signal of the transformed amplitude of Integral Transformation module to be carried out processing analysis;The photoelectric conversion module, the Integral Transformation module and the micro treatment module are sequentially connected.The device of monitoring pulse laser working condition provided by the utility model, by the monitoring for exporting laser intensity to pulse laser, it may be determined that the working condition of the pulse laser.
Description
Technical field
The utility model is related to monitor the engineering device technique field of pulse laser working condition, more particularly to a kind of monitoring arteries and veins
Rush the device of laser working condition.
Background technology
Currently, pulse laser has become the indispensable core component of the numerous areas such as machining, radar detection;Due to swashing
Light device is easily-consumed products, in most applications it should be understood that the working condition of laser, so as to the stability of whole system into
Row assessment.
In the case of variation of ambient temperature, there can be very big influence on the single pulse energy of the output of laser, and
Phenomena such as being easy to cause the phenomenon that output pulse frequency is shaken, or even causing to lose pulse or multiple-pulse in some cases;In addition
Laser its single pulse energy exported after working long hours also can slowly reduce at any time, and output energy is unstable, into
And the phenomenon that causing to lose pulse.It is fatal that laser, which loses pulse and multiple-pulse, in many applications, is not allow to occur,
Therefore it needs to monitor laser in real time, to understand the working condition of pulse laser, if pulse or more is lost in generation
The phenomenon that pulse.
Utility model content
One of the utility model is designed to provide a kind of device of monitoring pulse laser working condition, to be used for essence
The working condition of quasi- monitoring pulse laser.
The purpose of this utility model is realized by following technical proposals:
A kind of device of monitoring pulse laser working condition, it is characterised in that:Including photoelectric conversion module, it is used for arteries and veins
The optical signal for rushing laser transmitting is converted to and the relevant electric signal of light intensity;Integral Transformation module is used for the opto-electronic conversion
The transformed electric signal of module is converted to the identical electric signal of amplitude;Micro treatment module, for turning the Integral Transformation module
The identical electric signal of amplitude after changing carries out processing analysis.
Further, it is connected with operational amplifying module between the photoelectric conversion module and the Integral Transformation module, institute
Electric signal of the operational amplifying module for the electric signal that the photoelectric conversion module is converted to be enlarged into amplitude bigger is stated, and will be put
Electric signal after big passes to the Integral Transformation module.
Further, the operational amplifying module is current mode operational amplifier.
Further, further include communication module, the communication module is connect with the micro treatment module, is used for transmission described
The data that micro treatment module processing analysis obtains.
Further, the photoelectric conversion module includes the resistance and photodiode being arranged in series.
Further, the photodiode is silicon substrate PIN type photodiode.
Further, the photodiode is avalanche photodide.
Further, Integral Transformation module is integrating circuit.
Further, the micro treatment module is serial 32 ARM microcontrollers of STM32F103.
The utility model has the following advantages that compared with prior art:
1. the device of monitoring pulse laser working condition described in the utility model comprising photoelectric conversion module is used for
The optical signal that pulse laser emits is converted to and the relevant electric signal of light intensity;Integral Transformation module is used for the photoelectricity
The transformed electric signal of conversion module is converted to the identical electric signal of amplitude;Micro treatment module is used for the Integral Transformation mould
The identical electric signal of the transformed amplitude of block carries out processing analysis;The photoelectric conversion module, the Integral Transformation module and institute
Micro treatment module is stated to be sequentially connected;The utility model is based on photoelectric conversion module, and the optical signal of pulse laser is converted to electricity
Signal, the power of electric signal have direct relation with the power of optical signal, and optical signal is stronger, and the amplitude for the electric signal converted out is got over
Height, the optical signal duration is longer, and the duration of electric signal is also longer therewith;Using Integral Transformation module by electric signal into one
Step is handled, and the energy information of electric signal such as is converted at the amplitudes output but signal of different size;Then microprocessor is used
Module carries out calculation process, so that it may to obtain the laser energy variation, the variation of laser duration, pulse frequency of pulse laser
Whether rate variation loses the parameters such as pulse, the working condition of pulse laser in use is obtained, so as in practical applications
It is adjusted using strategy according to the characteristic of pulse laser, and the life cycle of the pulse laser can be analyzed, to carry
Awake user replaces laser in time.
Description of the drawings
Fig. 1 is the device electrical connection diagram of monitoring pulse laser working condition described in the utility model;
Fig. 2 is photoelectric conversion module electrical connection diagram described in the utility model;
Fig. 3 is operational amplifying module electrical connection diagram described in the utility model.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
Referring to Fig. 1, a kind of device of monitoring pulse laser working condition comprising photoelectric conversion module is used for arteries and veins
The optical signal for rushing laser transmitting is converted to and the relevant electric signal of light intensity;Integral Transformation module is used for the opto-electronic conversion
The transformed electric signal of module is converted to the identical electric signal of amplitude;Micro treatment module, for turning the Integral Transformation module
The identical electric signal of amplitude after changing carries out processing analysis;The photoelectric conversion module, the Integral Transformation module and described micro-
Processing module is sequentially connected;The micro treatment module is serial 32 ARM microcontrollers of STM32F103;The utility model is based on
The optical signal of pulse laser is converted to electric signal by photoelectric conversion module, and the power and the power of optical signal of electric signal have
Direct relation, optical signal is stronger, and the amplitude for the electric signal converted out is higher, and the optical signal duration is longer, and electric signal continues
Time is also longer therewith;Electric signal is further processed using Integral Transformation module, the energy information of electric signal is converted
For etc. amplitudes output but signal of different size, electric signal after Integral Transformation resume module with before Integral Transformation resume module
Electric signal amplitude may be different, and the forward and backward electric signal area of Integral Transformation resume module is identical, and wherein electric signal area is
The product of electrical signal amplitude and electric signal width, the electric signal energy of different size for representing electric signal are different;Then micro- place is used
It manages module and carries out calculation process, micro treatment module carries out the identification of signal width, while being believed input using the micro treatment module
Number frequency calculated, so that it may to obtain the laser energy variation, the variation of laser duration, pulse frequency of pulse laser
Whether rate variation loses the parameters such as pulse, and in the case of generating multiple-pulse, time interval can shorten, when generation pulse-losing
In the case of, time interval can obtain the working condition of pulse laser in use than the length of side in the case of normal,
To be adjusted in practical applications using strategy according to the characteristic of pulse laser, and the pulse laser can be analyzed
Life cycle, to remind user to replace laser in time.
Operation is connected with referring to Fig. 1, between photoelectric conversion module described in the utility model and the Integral Transformation module to put
Big module, the operational amplifying module are used to the electric signal that the photoelectric conversion module is converted being enlarged into the telecommunications of amplitude bigger
Number, and amplified electric signal is passed into the Integral Transformation module;The operational amplifying module puts electric signal in proportion
Greatly, the electric signal of faint fluctuation is amplified, improves the accuracy of subsequent analysis.
Referring to Fig. 1, the utility model further includes communication module, and the communication module is connect with the micro treatment module, is used
Obtained data are analyzed in transmitting the micro treatment module processing;Data transmission is gone out, can use these data informations into
The further processing of row.
Referring to Fig. 1, photoelectric conversion module described in the utility model includes the resistance and photodiode being arranged in series;Photoelectricity
When diode operation, if without illumination, electric current is extremely faint;When having illumination, electric current increases rapidly;The intensity of light is bigger, electric current
Also bigger, the variation of light causes photodiode current to change, and optical signal can be converted into electric signal;It is simple in structure, cost
It is low.
Referring to Fig. 1, photodiode described in the utility model is silicon substrate PIN type photodiode;Silicon substrate PIN type photoelectricity two
Pole pipe has many advantages, such as that good linearity, measurement is accurate, cheap, service life is long.
Referring to Fig. 1, photodiode described in the utility model is avalanche photodide;Avalanche photodide has spirit
Sensitivity is high, it is corresponding rapid the advantages that, can be used for measuring very low light intensity.
Referring to Fig. 1, operational amplifying module described in the utility model is current mode operational amplifier;Current mode operational amplifier
Its internal signal amplification and transmission are to use current signal, the setting that gain and closed-loop bandwidth can be respectively, feedback resistance
There are one optimum values, can both ensure maximum bandwidth, it is also ensured that stable amplification, nonoscillatory.
Referring to Fig. 1, the utility model Integral Transformation module is integrating circuit;Integrating circuit is made with pulse waveform conversion
With, it is ensured that impulse waveform electric signal is converted to the impulse waveform telecommunications of amplitude and specific in the case that electrical signal energy is constant
Number.
Referring to Fig. 1, the utility model specific steps:
The light beam of pulse laser is irradiated on the photodiode of the photoelectric conversion module, the photoelectricity turns
Mold changing block by the optical signal that pulse laser emits be converted to the relevant electric signal of light intensity, and electric signal is passed into the fortune
Calculate amplification module;
The electric signal that the photoelectric conversion module is converted is enlarged into the electric signal of amplitude bigger by the operational amplifying module,
And amplified electric signal is passed into the Integral Transformation module;
The amplified electric signal of the operational amplifying module is converted to the identical telecommunications of amplitude by the Integral Transformation module
Number, and signal is passed into the micro treatment module;
The identical electric signal of the transformed amplitude of Integral Transformation module is carried out processing analysis by the micro treatment module,
And the data that analysis obtains are transferred to the communication module.
Finally it should be noted that:The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System;Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand:It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement;And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (9)
1. a kind of device of monitoring pulse laser working condition, it is characterised in that:
Including photoelectric conversion module, the optical signal for emitting pulse laser is converted to and the relevant electric signal of light intensity;
Integral Transformation module, for the transformed electric signal of the photoelectric conversion module to be converted to the identical electric signal of amplitude;
Micro treatment module, for the identical electric signal of the transformed amplitude of Integral Transformation module to be carried out processing analysis.
2. the device of monitoring pulse laser working condition according to claim 1, it is characterised in that:The opto-electronic conversion
Operational amplifying module is connected between module and the Integral Transformation module, the operational amplifying module is used to turn the photoelectricity
The electric signal of mold changing block conversion is enlarged into the electric signal of amplitude bigger, and amplified electric signal is passed to the Integral Transformation
Module.
3. the device of monitoring pulse laser working condition according to claim 2, it is characterised in that:The operation amplifier
Module is current mode operational amplifier.
4. the device of monitoring pulse laser working condition according to claim 1, it is characterised in that:It further include communication mould
Block, the communication module are connect with the micro treatment module, are used for transmission the data that the micro treatment module processing analysis obtains.
5. the device of monitoring pulse laser working condition according to claim 1, it is characterised in that:The opto-electronic conversion
Module includes the resistance and photodiode being arranged in series.
6. the device of monitoring pulse laser working condition according to claim 5, it is characterised in that:Two pole of the photoelectricity
Pipe is silicon substrate PIN type photodiode.
7. the device of monitoring pulse laser working condition according to claim 5, it is characterised in that:Two pole of the photoelectricity
Pipe is avalanche photodide.
8. the device of monitoring pulse laser working condition according to claim 1, it is characterised in that:Integral Transformation module
For integrating circuit.
9. according to the device of any monitoring pulse laser working conditions of claim 1-8, it is characterised in that:It is described micro-
Processing module is serial 32 ARM microcontrollers of STM32F103.
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CN201820594786.8U CN208015063U (en) | 2018-04-24 | 2018-04-24 | A kind of device of monitoring pulse laser working condition |
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CN201820594786.8U CN208015063U (en) | 2018-04-24 | 2018-04-24 | A kind of device of monitoring pulse laser working condition |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108365507A (en) * | 2018-04-24 | 2018-08-03 | 北京是卓科技有限公司 | A kind of device and method of monitoring pulse laser working condition |
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2018
- 2018-04-24 CN CN201820594786.8U patent/CN208015063U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108365507A (en) * | 2018-04-24 | 2018-08-03 | 北京是卓科技有限公司 | A kind of device and method of monitoring pulse laser working condition |
CN108365507B (en) * | 2018-04-24 | 2023-12-08 | 北京是卓科技有限公司 | Device and method for monitoring working state of pulse laser |
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