CN109217094A - High power isolator for optical fiber laser - Google Patents
High power isolator for optical fiber laser Download PDFInfo
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- CN109217094A CN109217094A CN201811152368.4A CN201811152368A CN109217094A CN 109217094 A CN109217094 A CN 109217094A CN 201811152368 A CN201811152368 A CN 201811152368A CN 109217094 A CN109217094 A CN 109217094A
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- high power
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- power isolator
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- solenoid valve
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- 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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
- H01S3/1066—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using a magneto-optical device
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/09—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on magneto-optical elements, e.g. exhibiting Faraday effect
- G02F1/092—Operation of the cell; Circuit arrangements
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/09—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on magneto-optical elements, e.g. exhibiting Faraday effect
- G02F1/095—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on magneto-optical elements, e.g. exhibiting Faraday effect in an optical waveguide structure
- G02F1/0955—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on magneto-optical elements, e.g. exhibiting Faraday effect in an optical waveguide structure used as non-reciprocal devices, e.g. optical isolators, circulators
-
- 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
- H01S3/02—Constructional details
- H01S3/04—Arrangements for thermal management
- H01S3/0407—Liquid cooling, e.g. by water
-
- 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
- H01S3/02—Constructional details
- H01S3/04—Arrangements for thermal management
- H01S3/042—Arrangements for thermal management for solid state lasers
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Plasma & Fusion (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Lasers (AREA)
Abstract
The present invention provides a kind of high power isolators, including the first optical beam transformation lens group set gradually along optical path, first optical polariser, Faraday rotation piece, optical wave plate, second optical polariser, second optical beam transformation lens group, Faraday rotation piece light pass surface two sides optical cement has heat dissipation crystal wafer, second optical polariser and the first optical polariser optical axis direction are orthogonal, the advantages of high power isolator, is to change again after using Birefringent crystal prism to realize angle offset convergence to the light beam that different polarization direction is parallel to each other as collimated light beam, on the one hand increase incident facula area using optical beam transformation device, reduce the optical power density of light pass surface, reduce influence of the thermal lensing effect for beam quality under high power state by crossover position of the control O and E light in magneto-optical crystal, and Faraday rotation piece is led to Smooth surface optical cement has the preferable YAG crystal of thermal conductivity, GGG crystal as heat dissipation crystal wafer, increases the effect of its heat dissipation, simple and reasonable.
Description
Technical field
The present invention relates to laser technology field, in particular to a kind of high power isolator for optical fiber laser.
Background technique
Currently, multistage amplification is to obtain the main technological means of high-energy output in high powered laser system,
The one-way transmission for needing to guarantee light during this, prevents reflected light from impacting to leading portion working state of system, while will pumping
The energy of light is used to amplify the signal light of fl transmission.Optical isolator is widely used in high power solid state laser system,
In fiber optic communication systems, with the reduction of the increase of distance and pulse width, the physical processes such as nonlinear effect, Rayleigh scattering
The reverse transfers light of generation will affect the stabilization row of light source working, need defeated with high-power fiber amplifier in optical fiber link
High-power fiber optic isolator is added to eliminate the influence of outside noise in outlet.
The core devices of optical isolator are the magneto-optical crystal with Faraday characteristic, due to brilliant in high power environment
Body causes temperature to increase the absorption of laser, and fuel factor will lead to the variation that crystal generates thermal stress and refractive index, causes
The generation of thermal lensing effect influences isolator job stability and optical quality.
Summary of the invention
The present invention provides a kind of high power isolator, including set gradually along optical path the first optical beam transformation lens group,
One optical polariser, Faraday rotation piece, optical wave plate, the second optical polariser, the second optical beam transformation lens group, the method
Revolving fragment light pass surface two sides optical cement is drawn to have heat dissipation crystal wafer, second optical polariser and the first optical polariser optical axis
Direction is orthogonal；
Two sides up and down between the Faraday rotation piece and heat dissipation crystal wafer are respectively arranged with fixed sheet metal, solid
Determining the opposite side that sheet metal is located at heat dissipation crystal wafer has a water-cooling system, the water-cooling system include sequentially connected first pipe,
Second pipe and third pipeline, are provided with the first solenoid valve, second pipe and third between the first pipe and second pipe
It is provided between pipeline between second solenoid valve, third pipeline and first pipe and is provided with third solenoid valve, second pipe
First peristaltic pump is set in road；Further include sequentially connected 4th pipeline, the 5th pipeline and compressor, the 4th pipeline and
It is provided between 5th pipeline between the 4th solenoid valve, the 5th pipeline and compressor and is provided with the 5th solenoid valve, the pressure
The 6th solenoid valve is provided between contracting machine and the 4th pipeline；
The first pipe is tightly attached to the fixed sheet metal setting, and the third pipeline is close to set with the 4th pipeline
It sets, the first pipe, second pipe and third pipeline isometric(al) are arranged and are separately filled with water body, the 4th pipeline and the 5th
Refrigerant is respectively arranged in pipeline.
Further,
The heat dissipation crystal wafer is by any one or more crystal wafer constituted in YAG crystal or GGG crystal.
Further,
The Faraday rotation piece can be sheet, thin slice, disk type structure, can be externally-applied magnetic field type or included magnetic
Field pattern；
First optical polariser, the second optical polariser can be work-off type crystal, birefringent cumeat or
It is devating prism；
First optical beam transformation lens group, the second optical beam transformation lens group can be telescope configuration, prism to structure or
It is cylindrical lens+optical fiber collimator structure.
Further,
High power isolator further includes processor, and the processor is respectively at first solenoid valve, second solenoid valve,
Three solenoid valves, the 4th solenoid valve, the 5th solenoid valve and the connection of the first peristaltic pump, the first pipe and third pipeline are set respectively
Set the first temperature sensor and third temperature sensor；
First temperature sensor is used to monitor the fluid temperature in first pipe and exports the first temperature data to place
Manage device, third temperature sensor for monitoring the fluid temperature in third pipeline and exporting third temperature data to processor, when
When first temperature data is higher than the first preset data, third temperature data is lower than the second preset data, the processor is defeated
First control signal controls the first solenoid valve respectively out, second solenoid valve and third solenoid valve open the first preset time and
The first preset time of wriggling pump work, and control the 4th solenoid valve opening, the 5th solenoid valve opening and compressor and work,
Refrigerant after pressurization is input at the 4th pipeline.
Further,
High power isolator further includes battery, respectively at the processor, the first solenoid valve, second solenoid valve, third
Solenoid valve, the 4th solenoid valve, the 5th solenoid valve, the first peristaltic pump and the 5th solenoid valve are connected and are powered, and further include pair
The display circuit that the accumulator electric-quantity is shown, the display circuit includes: LED rectification drive module, with the electric power storage
Pond is connected by plug, and the alternating voltage for exporting the battery is converted into DC voltage；Multiple LED being arranged in parallel
Lamp is connect with the LED rectification drive module by main traverse line respectively, loads the straight of the LED rectification drive module output
Galvanic electricity pressure works；Multiple build-out resistors being arranged in parallel are arranged in parallel with multiple LED light, each one by one respectively
Build-out resistor is provided with to be connected correspondingly respectively with LED rectification drive module and switch.
Further,
Two main traverse lines are connected with signal lines, and the signal lines are connected with processor, described
Processor is used to receive the first detection electric current of the signal lines；The processor and conducting switch connect；When
When first detection electric current is greater than first pre-set current value, the processor control conducting, which switchs, to be disconnected；
Further,
Two main traverse lines are connected with signal lines, and the signal lines connect a first voltage comparator, described
Signal lines and the first voltage comparator between be provided with divider resistance, first inspection of signal lines output
It surveys electric current and the first detection voltage is generated by divider resistance, processor described in first point is for receiving the signal lines
First detection voltage；The first voltage comparator and conducting switch connect；When the first detection voltage is greater than one first
When preset voltage value, the first voltage comparator output control signal controls the conducting switch and disconnects.
The described conducting switch is triode, the collector and emitter of the triode respectively with the build-out resistor
It is connected with main traverse line, the base stage of the triode is connect with the output end of the first voltage comparator.
Further,
Further include over-current protecting unit comprising: piezoresistance is adopted in the described main traverse line setting one, it is described adopt piezoresistance with
Acquisition node is provided between the main traverse line anode；Reference voltage provides device, for providing preset first reference voltage；
4th voltage comparator provides device lotus root with the acquisition node and reference voltage respectively and connects, for comparing at acquisition node
The first collection voltages and the first reference voltage for adopting piezoresistance, when first collection voltages are greater than first reference voltage
When, output drive signal；Control device connects with the output end lotus root of the 4th voltage comparator, is controlled by the driving letter
Number control main traverse line open circuit.
The control device includes relay coil and relay normally closed contact, the relay coil and described
The output end of 4th voltage comparator connects；The relay normally closed contact is located at the leading line loop, is controlled by described
The relay coil control leading line loop disconnect.
Further,
The high power isolator further includes points-scoring system, for obtaining user to the high power isolator submission used
Scoring,
Further include total processing unit, connect respectively with the points-scoring system at each high power isolator, for according to user
The similarity between user u and user v is determined to the scoring of high power isolator:
Wherein, IuvFor the high power isolator set all to be scored by user u and user v simultaneously；IuIt is scored by user u
High power isolator set；IvFor the high power isolator set to be scored by user v；ruiIt is user u to high power isolator i's
Scoring, rviScoring for user v to high power isolator i；
Total processing unit the user u and user v that similarity is greater than preset threshold are associated and generate associated data into
Row storage.
Further,
Total processing unit is for determining in addition to user u to the set N of the high power isolator z user w to scorez
(w), the high power isolator z is the unvalued high power isolator of user u；
According to each user w to the scoring r of the high power isolator zwzDetermine that the standard of the high power isolator z is commented
Point
Wherein, | Nz(w) | indicate set Nz(w) element number；
According to the similarity C (u, w) and the scale between user u and user wDetermine u couples of the user
The prediction scoring r of the high power isolator zuz':
Wherein, a is constant；IuwFor the high power isolator set all to be scored by user u and user w simultaneously；IwFor by with
The high power isolator set of family w scoring；rwiScoring for user w to high power isolator i；
By the user u to the prediction scoring r of the high power isolator zuz' output to high power isolator progress
Display.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by written explanation
Specifically noted structure is achieved and obtained in book, claims and attached drawing.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of high power isolator；
Fig. 2 is the structural schematic diagram of water-cooling system；
Fig. 3 is the structural schematic diagram of the first embodiment of display circuit；
Fig. 4 is the structural schematic diagram of second of embodiment of display circuit；
Fig. 5 is the structural schematic diagram of the third embodiment of display circuit；
Fig. 6 is the structural schematic diagram of the 4th kind of embodiment of display circuit.
11, the first optical beam transformation lens group；12, the first optical polariser；13, Faraday rotation piece；14, optical wave plate；
15, the second optical polariser；16, the second optical beam transformation lens group；17, radiate crystal wafer；18, fixed sheet metal；20, water cooling system
System；201, first pipe；202, second pipe；203, third pipeline；204, the 4th pipeline；205, the 5th pipeline；206, it compresses
Machine；301, the first solenoid valve；302, second solenoid valve；303, third solenoid valve；304, the 4th solenoid valve；305, the 5th electromagnetism
Valve；306, the 6th solenoid valve；101, battery；102, LED rectifies drive module；30, main traverse line；40, signal lines；50,
Over-current protecting unit.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
The embodiment of the invention provides a kind of high power isolator, its structural schematic diagram as shown in Figure 1, including along optical path according to
First optical beam transformation lens group 11 of secondary setting, the first optical polariser 12, Faraday rotation piece 13, optical wave plate 14, second
Optical polariser 15, the second optical beam transformation lens group 16, the 13 light pass surface two sides optical cement of Faraday rotation piece have heat dissipation brilliant
Body piece 17, second optical polariser 15 and 12 optical axis direction of the first optical polariser are orthogonal.Wherein radiate crystal
Piece 17 is by any one or more crystal wafer constituted in YAG crystal or GGG crystal.
The effect of above-mentioned technical proposal is:
The advantages of high power isolator, is using Birefringent crystal prism to different polarization direction is parallel to each other
Variation is collimated light beam again after light beam realization angle offset convergence, on the one hand utilizes optical beam transformation device increase launching spot face
Product, reduces the optical power density of light pass surface, on the other hand, is reduced by crossover position of the control O and E light in magneto-optical crystal
Influence of the thermal lensing effect for beam quality under high power state has and utilizes applied to high-power output, and faraday is revolved
13 light pass surface optical cement of rotor has the preferable YAG crystal of thermal conductivity, GGG crystal as heat dissipation crystal wafer 17, increases the effect of its heat dissipation
Fruit, it is simple and reasonable.
Two sides up and down between Faraday rotation piece 13 and heat dissipation crystal wafer 17 are respectively arranged with fixed sheet metal 18,
There is water-cooling system 20 in the opposite side that fixed sheet metal 18 is located at heat dissipation crystal wafer 17, and the structure of water-cooling system 20 as shown in Figure 2 is shown
It is intended to, the water-cooling system 20 includes sequentially connected first pipe 201, second pipe 202 and third pipeline 203, and described the
It is provided between the first solenoid valve 301, second pipe 202 and third pipeline 203 and sets between one pipeline 201 and second pipe 202
It is equipped between second solenoid valve 302, third pipeline 203 and first pipe 201 and is provided with third solenoid valve 303, described second
First peristaltic pump is set in pipeline 202；It further include sequentially connected 4th pipeline 204, the 5th pipeline 205 and compressor 206,
The 4th solenoid valve 304, the 5th pipeline 205 and compressor are provided between 4th pipeline 204 and the 5th pipeline 205
It is provided between 206 between the 5th solenoid valve 305, the compressor 206 and the 4th pipeline 204 and is provided with the 6th solenoid valve 306；
The first pipe 201 is tightly attached to the fixed sheet metal 18 and is arranged, and the third pipeline 203 and the 4th pipeline 204 are tight
It is sticked and sets, the first pipe 201, second pipe 202 and 203 isometric(al) of third pipeline are arranged and are separately filled with water body, described
It is respectively arranged with refrigerant in 4th pipeline 204 and the 5th pipeline 205, wherein the 4th pipeline may include radiator, the 5th pipeline
It may include condenser.
The effect of above-mentioned technical proposal is:
In third pipeline 203 by the water body after the cooling of the 4th pipeline 204, first pipe 201 is flow to, in first pipe 201
Water body and sheet metal between carry out heat exchange, sheet metal is cooled down, since high power isolator continues working, so first pipe
The temperature of water body in road 201 can continue to increase, after temperature is increased to a preset height, wriggling pump work, by high temperature
Water body is transferred to second pipe 202, and the water body of second pipe 202 is transferred to third pipeline 203 and is cooled down, by third pipeline
Water body after 203 coolings is transferred to first pipe 201 and cools down to sheet metal, is recycled with this.And in the process,
Compressor 206 is by compressing refrigerant and by compressed coolant transmission to the 4th pipeline 204, when refrigerant is located at the 4th pipeline
It will do it vaporization after 204, absorb heat and then achieve the purpose that radiate to third pipeline 203.After the vaporization of third pipeline 203
Refrigerant can be back to compressor 206 by the 4th pipeline 204, recycled with this and achieve the purpose that freeze to third pipeline 203.
The principle of above-mentioned technical proposal is:
Can be radiated to fixed sheet metal 18 by water-cooling system 20, so reach respectively to Faraday rotation piece
13 and the purpose that radiates of heat dissipation crystal wafer 17, so that Faraday rotation piece 13 is worked in a suitable temperature, into
And keep the high power isolator more stable when working.And water-cooling system 20 has higher heat transmitting compared to air cooling system
Efficiency, and water will not generate noise in flowing, but wind can generate the noise being added to during blowing.
In one embodiment, Faraday rotation piece 13 can be sheet, thin slice, disk type structure, can be additional magnetic
Field pattern or included field type；First optical polariser 12, the second optical polariser 15 can be work-off type crystal, two-fold
Penetrate cumeat either devating prism；First optical beam transformation lens group 11, the second optical beam transformation lens group 16 can be and look in the distance
Mirror structure, prism are to structure either cylindrical lens+optical fiber collimator structure.
In people's embodiment, high power isolator further includes processor, and the processor is respectively at first electricity
Magnet valve 301, second solenoid valve 302, third solenoid valve 303, the 4th solenoid valve 304, the 5th solenoid valve 305 and the first peristaltic pump
Connection, the first temperature sensor and third temperature sensor is respectively set in the first pipe 201 and third pipeline 203；It is described
First temperature sensor is used to monitor the fluid temperature in first pipe 201 and exports the first temperature data to processor, third
Temperature sensor is for monitoring the fluid temperature in third pipeline 203 and exporting third temperature data to processor, when described the
When one temperature data is higher than the first preset data, third temperature data is lower than the second preset data, the processor output first
Control signal controls the first solenoid valve 301, second solenoid valve 302 and third solenoid valve 303 respectively and opens the first preset time
And the first preset time of wriggling pump work, and control the 4th solenoid valve 304 opening, the 5th solenoid valve 305 opening and compression
Machine 206 works, and the refrigerant after pressurization is input at the 4th pipeline 204.
The principle of above-mentioned technical proposal is:
By processor respectively to the first solenoid valve 301, second solenoid valve 302, third solenoid valve 303, the 4th solenoid valve
304, the 5th solenoid valve 305 and the first peristaltic pump are controlled, and obtain the first temperature data and third temperature number respectively
According to, when first temperature data is higher than the first preset data, third temperature data is lower than the second preset data, the processing
Device output first control signal controls the first solenoid valve 301 respectively, second solenoid valve 302 and third solenoid valve 303 open the
The first preset time of one preset time and wriggling pump work, and the 4th solenoid valve 304 of control is opened, the 5th solenoid valve 305 is beaten
It opens and compressor 206 works, the refrigerant after pressurization is input at the 4th pipeline 204.
The effect of above-mentioned technical proposal is:
Temperature in real-time monitoring first pipe 201 and third pipeline 203, and according to first pipe 201 and third
Temperature in pipeline 203 respectively to the first solenoid valve 301, second solenoid valve 302, third solenoid valve 303, the 4th solenoid valve 304,
5th solenoid valve 305 and the first peristaltic pump are controlled, if when the first temperature data is higher than the first preset data, third temperature
Degree according to be lower than the second preset data when, then prove that temperature is higher in first pipe 201 at this time, in third pipeline 203 temperature compared with
It is low, it can be radiated to the heat dissipation crystal wafer 17 etc. contacted with first pipe 201, cooling processing.
In one embodiment, high power isolator further includes battery, respectively at the processor, the first solenoid valve
301, second solenoid valve 302, third solenoid valve 303, the 4th solenoid valve 304, the 5th solenoid valve 305, the first peristaltic pump and
Five solenoid valves 305 are connected and are powered, and further include the display circuit shown to the accumulator electric-quantity, as shown in Figure 3
The structural schematic diagram of the first embodiment of display circuit, display circuit includes: LED rectification drive module, with the electric power storage
Pond is connected by plug, and the alternating voltage for exporting the battery is converted into DC voltage；Multiple LED being arranged in parallel
Lamp is connect with the LED rectification drive module by main traverse line respectively, loads the straight of the LED rectification drive module output
Galvanic electricity pressure works；Multiple build-out resistors being arranged in parallel are arranged in parallel with multiple LED light, each one by one respectively
Build-out resistor is provided with to be connected correspondingly respectively with LED rectification drive module and switch, wherein build-out resistor such as attached drawing
In R1, R2,,, to RN.
The effect of above-mentioned technical proposal is:
It can show that when the electricity of battery is higher, then parallel connection is set to the electricity of battery by display circuit
The LED light set lights more, and when the electricity of battery is lower, then the LED light being arranged in parallel lights less, wherein each
Conducting switch respectively corresponds different conducting voltages, and the end voltage of battery can reflect the more of accumulator electric-quantity at this time
It is few, thus each conducting switch can be connected be it is relevant to the end size of voltage of battery, pass through the light and shade reaction of LED light
The size of accumulator electric-quantity.
In one embodiment, the structural schematic diagram of second of embodiment of display circuit as shown in Figure 4, two leading
Line is connected with signal lines, and the signal lines are connected with processor, and the processor is for receiving the detection
First detection electric current of signal wire；The processor and conducting switch connect；When the first detection electric current is greater than one first
When pre-set current value, the processor control conducting, which switchs, to be disconnected, wherein conducting switch be Q1, Q2 in figure,, extremely
QN。
In one embodiment, the structural schematic diagram of the third embodiment of display circuit as shown in Figure 5, two leading
Line is connected with signal lines, and the signal lines connect a first voltage comparator, the signal lines and institute
It states and is provided with divider resistance between first voltage comparator, the first detection electric current of signal lines output passes through partial pressure electricity
For impaction at the first detection voltage, processor described in first point is used to receive the first detection voltage of the signal lines；Institute
The first voltage comparator stated and conducting switch connect；When the first detection voltage is greater than first preset voltage value, institute
It states first voltage comparator output control signal and controls the conducting switch disconnection.The conducting switch is triode, described
The collector and emitter of triode is connect with the build-out resistor and main traverse line respectively, the base stage of the triode with it is described
The output end of first voltage comparator connects.
In one embodiment, the structural schematic diagram of the 4th kind of embodiment of display circuit as shown in Figure 6 further included
Flow protection location comprising: piezoresistance is adopted in the main traverse line setting one, and described adopts piezoresistance and the main traverse line anode
Between be provided with acquisition node；Reference voltage provides device, for providing preset first reference voltage；4th voltage comparator,
Device lotus root is provided with the acquisition node and reference voltage respectively to connect, and is adopted the first of piezoresistance at acquisition node for comparing and is adopted
Collecting voltage and the first reference voltage, when first collection voltages are greater than first reference voltage, output drive signal；
Control device connects with the output end lotus root of the 4th voltage comparator, is controlled by leading described in the driving signal control
Line open circuit.The purpose to the accumulator protecting is reached, prevents it from damaging because electric current is excessively high.
In one embodiment, control device includes relay coil and relay normally closed contact, the relay line
Circle is connect with the output end of the 4th voltage comparator；The relay normally closed contact is located at the leading line loop,
It is controlled by the relay coil control leading line loop to disconnect.
By signal lines can real-time detection LED rectify drive module export electric current size, processor and first
Whether voltage comparator works according to the size controlled LED lamp that signal lines export electric current, and then reaching shows LED light
The purpose of accumulator electric-quantity.By setting over-current protecting unit can electric current to main traverse line, voltage carry out real-time monitoring, when leading
After the electric current of line, overtension, control main traverse line open circuit is played the role of to the main traverse line and each load protection.
In one embodiment, high power isolator further includes points-scoring system, for obtaining user to the high power used
The scoring that isolator is submitted,
Further include total processing unit, connect respectively with the points-scoring system at each high power isolator, for according to user
The similarity between user u and user v is determined to the scoring of high power isolator:
Wherein, IuvFor the high power isolator set all to be scored by user u and user v simultaneously；IuIt is scored by user u
High power isolator set；IvFor the high power isolator set to be scored by user v；ruiIt is user u to high power isolator i's
Scoring, rviScoring for user v to high power isolator i；
Total processing unit the user u and user v that similarity is greater than preset threshold are associated and generate associated data into
Row storage.
The effect and principle of above-mentioned technical proposal are:
By each user to the high power isolators of various species, type analyze different high powers every
The various operating conditions that are applicable in from device, ambient conditions etc., and make two operating condition, the ambient conditions etc. using high power isolator
It is associated etc. identical two people, tissue, so that two people, tissue can know other side, it in the actual operation process, can be with
Carry out mutual exchange of technology.
In one embodiment, total processing unit scores to high power isolator z in addition to user u for determination
The set N of user wz(w), the high power isolator z is the unvalued high power isolator of user u；
According to each user w to the scoring r of the high power isolator zwzDetermine that the standard of the high power isolator z is commented
Point
Wherein, | Nz(w) | indicate set Nz(w) element number；
According to the similarity C (u, w) and the scale between user u and user wDetermine u couples of the user
The prediction scoring r of the high power isolator zuz':
Wherein, a is constant；IuwFor the high power isolator set all to be scored by user u and user w simultaneously；IwFor by with
The high power isolator set of family w scoring；rwiScoring for user w to high power isolator i；
By the user u to the prediction scoring r of the high power isolator zuz' output to high power isolator progress
Display.
The effect and principle of above-mentioned technical proposal are:
Through the above technical solution, can be scored according to difference of each user to high power isolator, in turn
Analysis recommend one be suitable for the user, unit or tissue high power isolator so that user, unit or tissue can be according to being
System recommends its a high power isolator preferably, meets it and uses feature.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of high power isolator, which is characterized in that including set gradually along optical path the first optical beam transformation lens group (11),
First optical polariser (12), Faraday rotation piece (13), optical wave plate (14), the second optical polariser (15), the second light beam
Transform lens group (16), Faraday rotation piece (13) light pass surface two sides optical cement have heat dissipation crystal wafer (17), and described
Two optical polarisers (15) and the first optical polariser (12) optical axis direction are orthogonal；
Two sides up and down between the Faraday rotation piece (13) and heat dissipation crystal wafer (17) are respectively arranged with fixed sheet metal
(18), there are water-cooling system (20), the water-cooling system in the opposite side that fixed sheet metal (18) are located at heat dissipation crystal wafer (17)
It (20) include sequentially connected first pipe (201), second pipe (202) and third pipeline (203), the first pipe
(201) be provided between second pipe (202) the first solenoid valve (301), second pipe (202) and third pipeline (203) it
Between be provided between second solenoid valve (302), third pipeline (203) and first pipe (201) and be provided with third solenoid valve
(303), the first peristaltic pump is set in the second pipe (202)；It further include sequentially connected 4th pipeline (204), the 5th
Pipeline (205) and compressor (206), are provided with the 4th solenoid valve between the 4th pipeline (204) and the 5th pipeline (205)
(304), the 5th solenoid valve (305), the compressor (206) are provided between the 5th pipeline (205) and compressor (206)
The 6th solenoid valve (306) is provided between the 4th pipeline (204)；
The first pipe (201) is tightly attached to fixed sheet metal (18) setting, the third pipeline (203) and the described 4th
Pipeline (204) is close to setting, the first pipe (201), second pipe (202) and third pipeline (203) isometric(al) be arranged and
It is separately filled with water body, is respectively arranged with refrigerant in the 4th pipeline (204) and the 5th pipeline (205).
2. high power isolator according to claim 1, which is characterized in that
Heat dissipation crystal wafer (17) is by any one or more crystal wafer constituted in YAG crystal or GGG crystal.
3. high power isolator according to claim 1, which is characterized in that
The Faraday rotation piece (13) can be sheet, thin slice, disk type structure, can be externally-applied magnetic field type or included magnetic
Field pattern；
First optical polariser (12), the second optical polariser (15) can be work-off type crystal, birefringent cumeat
Either devating prism；
First optical beam transformation lens group (11), the second optical beam transformation lens group (16) can be telescope configuration, prism to structure
Either cylindrical lens+optical fiber collimator structure.
4. high power isolator according to claim 1, which is characterized in that
High power isolator further includes processor, and the processor is respectively at first solenoid valve (301), second solenoid valve
(302), third solenoid valve (303), the 4th solenoid valve (304), the 5th solenoid valve (305) and the connection of the first peristaltic pump, it is described
The first temperature sensor and third temperature sensor is respectively set in first pipe (201) and third pipeline (203)；
First temperature sensor is used to monitor the fluid temperature in first pipe (201) and exports the first temperature data to place
Device is managed, third temperature sensor is for monitoring the fluid temperature in third pipeline (203) and exporting third temperature data to processing
Device, when first temperature data is higher than the first preset data, third temperature data is lower than the second preset data, the processing
Device output first control signal controls the first solenoid valve (301), second solenoid valve (302) and third solenoid valve (303) respectively
The first preset time of the first preset time and wriggling pump work is opened, and controls the 4th solenoid valve (304) opening, the 5th electromagnetism
Valve (305) is opened and compressor (206) works, and the refrigerant after pressurization is input at the 4th pipeline (204).
5. high power isolator according to claim 1, which is characterized in that
High power isolator further includes battery, respectively at the processor, the first solenoid valve (301), second solenoid valve
(302), third solenoid valve (303), the 4th solenoid valve (304), the 5th solenoid valve (305), the first peristaltic pump and the 5th electromagnetism
Valve (305) is connected and is powered, and further includes the display circuit shown to the accumulator electric-quantity, the display circuit packet
Include: LED rectifies drive module (102), is connect with the battery (101) by plug, for the battery (101) is defeated
Alternating voltage out is converted into DC voltage；Multiple LED light being arranged in parallel rectify drive module with the LED respectively
(102) it is connected by main traverse line (30), the DC voltage for loading LED rectification drive module (102) output works；It is more
A build-out resistor being arranged in parallel is arranged in parallel with multiple LED light one by one respectively, and each build-out resistor is provided with and institute
State LED rectification drive module (102) one-to-one conducting switch respectively.
6. high power isolator according to claim 5, which is characterized in that
Two main traverse lines (30) are connected with signal lines (40), and the signal lines (40) are connected with processing
Device, the processor are used to receive the first detection electric current of the signal lines (40)；The processor is led with described
Connection is opened up to connect；When the first detection electric current is greater than first pre-set current value, the processor control conducting switch
It disconnects.
7. high power isolator according to claim 5, which is characterized in that
Two main traverse lines (30) are connected with signal lines (40), and the signal lines (40) connect a first voltage and compare
Device is provided with divider resistance, the detection signal between the signal lines (40) and the first voltage comparator
The first detection electric current of line (40) output generates the first detection voltage by divider resistance, and processor described in first point is for receiving
First detection voltage of the signal lines (40)；The first voltage comparator and conducting switch connect；When
When one detection voltage is greater than first preset voltage value, the first voltage comparator output control signal control conducting is opened
Shutdown is opened.
The described conducting switch is triode, the collector and emitter of the triode respectively with the build-out resistor and master
Conducting wire (30) connection, the base stage of the triode are connect with the output end of the first voltage comparator.
8. high power isolator according to claim 6, which is characterized in that
It further include over-current protecting unit (50) comprising: piezoresistance is adopted in main traverse line (30) setting one, and described adopts piezoelectricity
Acquisition node is provided between resistance and the main traverse line (30) anode；Reference voltage provides device, for providing preset first
Reference voltage；4th voltage comparator provides device lotus root with the acquisition node and reference voltage respectively and connects, adopts for comparing
Ji Jiedianchu adopts the first collection voltages and the first reference voltage of piezoresistance, when first collection voltages are greater than described first
When reference voltage, output drive signal；Control device connects with the output end lotus root of the 4th voltage comparator, is controlled by described
Driving signal control main traverse line (30) open circuit；
The control device includes relay coil and relay normally closed contact, the relay coil and the described the 4th
The output end of voltage comparator connects；The relay normally closed contact is located at the main traverse line (30) circuit, is controlled by described
Relay coil control main traverse line (30) circuit disconnect.
9. high power isolator according to claim 1, which is characterized in that
The high power isolator further includes points-scoring system, is commented for obtaining user what the high power isolator used was submitted
Point,
Further include total processing unit, connect respectively with the points-scoring system at each high power isolator, is used for according to user to height
The scoring of power isolator determines the similarity between user u and user v:
Wherein, IuvFor the high power isolator set all to be scored by user u and user v simultaneously；IuFor the Gao Gong to be scored by user u
Rate isolator set；IvFor the high power isolator set to be scored by user v；ruiHigh power isolator i is commented for user u
Point, rviScoring for user v to high power isolator i；
User u and user v that similarity is greater than preset threshold are associated and generate associated data by total processing unit to be deposited
Storage.
10. high power isolator according to claim 1, which is characterized in that
Total processing unit is for determining in addition to user u to the set N of the high power isolator z user w to scorez(w), institute
Stating high power isolator z is the unvalued high power isolator of user u；
According to each user w to the scoring r of the high power isolator zwzDetermine the scale of the high power isolator z
Wherein, | Nz(w) | indicate set Nz(w) element number；
According to the similarity C (u, w) and the scale between user u and user wDetermine the user u to described
The prediction scoring r of high power isolator zuz':
Wherein, a is constant；IuwFor the high power isolator set all to be scored by user u and user w simultaneously；IwTo be commented by user w
The high power isolator set divided；rwiScoring for user w to high power isolator i；
By the user u to the prediction scoring r of the high power isolator zuz' output shown to the high power isolator
Show.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811152368.4A CN109217094A (en) | 2018-09-29 | 2018-09-29 | High power isolator for optical fiber laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811152368.4A CN109217094A (en) | 2018-09-29 | 2018-09-29 | High power isolator for optical fiber laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109217094A true CN109217094A (en) | 2019-01-15 |
Family
ID=64982654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811152368.4A Pending CN109217094A (en) | 2018-09-29 | 2018-09-29 | High power isolator for optical fiber laser |
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| Country | Link |
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| CN (1) | CN109217094A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110315202A (en) * | 2019-06-25 | 2019-10-11 | 盐城华昱光电技术有限公司 | A kind of optics module for laser cutting |
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