CN206490296U - YAG teaching laser devices - Google Patents
YAG teaching laser devices Download PDFInfo
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- CN206490296U CN206490296U CN201621365394.1U CN201621365394U CN206490296U CN 206490296 U CN206490296 U CN 206490296U CN 201621365394 U CN201621365394 U CN 201621365394U CN 206490296 U CN206490296 U CN 206490296U
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Abstract
The utility model discloses a kind of YAG teaching lasers device, YAG laser is provided with.The utility model uses solar panel to be powered for laser, allow laser in the environment without electric main, using solar energy come work, laser resonant cavity is two mirror chambers, lumen type is simple and can easily be accommodated, go out photo threshold very low, without water-cooling system, it is with low cost, and the laser both directly can pass through solar power generation, also it can be generated electricity in the not enough laboratory of illumination by halogen tungsten lamp array simulated solar irradiation, meet indoor laboratory teaching demand and beneficial to the popularization of laser relevant knowledge.Using solar energy come work, so as to efficiently solve the territory restriction of laser application, and the environmental protection concept for the sustainable development that country advocates is responded, had great importance.
Description
Technical field
The utility model is related to photovoltaic technology and laser technology field, more particularly to a kind of YAG teaching lasers device.
Background technology
In recent years, laser technique has obtained unprecedented development, therewith in industry, medical treatment, business, scientific research, information and army
The application of laser is also more and more in six fields of thing.Electric power system is the heart of laser, and general laser pump source
Power supply is all using indoor alternating current, due to this design so that the working range of laser is very restricted, and is especially existed
Field, such as Gobi desert, the no man's land of some bad environments of desert, the electric power system of laser will seem particularly difficult.By
In the progressively ripe of solar-photovoltaic technology, and it is increasingly poor with earth resource, and solar energy is as a kind of safety, without dirt
Dye, the discharge of zero air off gas, the new energy of sustainable development are increasingly taken seriously.In colleges and universities, the related teaching of laser
Increasingly by the concern and attention of teachers, and laser is costly due to itself, and regulation difficulty is higher, general only to use
In terms of related scientific research, the infrastest away from university student so that the laser experiments that university student can contact are few, from
And mystique of the laser in the minds of student is virtually added, hinder understanding of the student to laser, slow laser
Development.
In summary, there is working range and be very restricted in the power supply of existing laser, and laser is due to it
Body is costly, and regulation difficulty is higher, the slow development of laser.
The content of the invention
The purpose of this utility model is to provide a kind of YAG teaching lasers device, it is intended to solve the power supply of existing laser
There is working range to be very restricted, laser is costly due to itself, regulation difficulty is higher, hinders student couple
The problem of understanding of laser, slow development of laser.
The utility model is achieved in that a kind of YAG teaching lasers device, and the YAG teaching lasers device is provided with：
Solar panel；
The circuit module being connected by wire with solar panel；
The laser being connected by wire with circuit module.
Further, the solar panel is provided with halogen tungsten lamp array；
Halogen tungsten lamp array is made up of 9 halogen tungsten lamps, is arranged using 3 rows, 3 row modes.
Further, the solar panel is fixed by solar cell grillage；
Solar panel fixed mount is assembled by angle bar, and slide slot is set on angle bar.
Further, the circuit module includes：
Solar charging controller for ensureing battery-operated state；
For the battery for the electric energy for storing and discharging solar panel generation；
For by too can the unstable DC voltage that produces of cell panel be converted into stable DC voltage needed for LD pumping sources
DCDC power modules.
Further, the laser includes：
For producing the LD pumping sources that wavelength is 808nm laser；
For high thoroughly, the collimating mirror and focus lens system that pump light is focused in crystal to pump light 808nm；
For high thoroughly to 808nm, to the high anti-plano-concave pumping mirror of 1064nm light；
Having of being concerned with room and time is converted into by optical resonator for the energy that provides LD pumping sources
The laser crystal of height collimation and monochromaticjty laser；
For the light part output to 1064nm, it is 5% and big to 808nm light reflectivities to be coated with to 1064nm light transmission rates
In the flat output mirror of 99.9% deielectric-coating.
For by 1064nm black lights frequency multiplication be 532nm visible greens ktp crystal.
Further, the LD pumping sources are the semiconductor lasers for the fiber coupling output that wavelength is 808nm；Collimation lens
Focal length be 50mm；The focal length of condenser lens is 100mm；The concave curvature radius R=150mm of plano-concave pumping mirror, is coated with pair
808nm light is high thoroughly；Flat output mirror be coated with to 1064nm light transmission rates be 5% deielectric-coating.
The YAG teaching laser devices that the utility model is provided, use solar panel for energy source, and pass through electric energy
Store with voltage conversion circuit to power for laser, allow laser in the environment without electric main, utilize the sun
Work can be carried out, so as to efficiently solve the territory restriction of laser application, and the sustainable development that country advocates has been responded
Environmental protection concept, has great importance.The utility model discloses the teaching related for laser, student experimenting, new energy
YAG teaching laser devices in terms of utilization；Laser is without water-cooling system, and lumen type is simple and can easily be accommodated, and it is low to go out photo threshold, into
This is cheap, by frequency-doubling crystal sightless 1064nm light can be made to be converted into visible 532nm visible greens so that experimental phenomena
It is more obvious and interesting.And laser both can also lead to directly by solar power generation in the not enough laboratory of illumination
Cross halogen tungsten lamp array simulated solar irradiation to be generated electricity, meet the requirement of teacher's teaching, the demand that student starts and be beneficial to laser
The popularization of device relevant knowledge.Be intended to Low threshold, high efficiency, lumen type it is simple and can easily be accommodated, without water-cooling system, it is with low cost,
Safety, can make sightless 1064nm light be converted into visible 532nm visible greens so that experimental phenomena is more by frequency-doubling crystal
Plus it is substantially and interesting.And laser of the present utility model is can be directly by solar power generation, also can be in illumination deficiency
Generated electricity in laboratory by halogen tungsten lamp array simulated solar irradiation；It is simultaneously the territory restriction of solution laser application, response
The environmental protection concept for the sustainable development that country advocates provides a kind of simple and practical technology.The purpose of this utility model is
There is provided a kind of YAG teaching lasers device, it is intended to solve existing laser in power supply mode and scope by asking that alternating current is limited
Topic, it is low that laser goes out photo threshold, simple to operate, with low cost, and the laser be can directly by solar power generation,
It can be generated electricity in the not enough laboratory of illumination by halogen tungsten lamp array simulated solar irradiation, meet teacher's teaching and student experimenting
Demand.
Brief description of the drawings
Fig. 1 is the YAG teaching laser device principle framework figures that the utility model embodiment is provided.
Fig. 2 is the YAG teaching laser device installation drawings that the utility model embodiment is provided.
Fig. 3 is the solar panel fixed rack structure that the utility model embodiment is provided and regulation schematic diagram.
Fig. 4 is the Driven by Solar Energy circuit module schematic diagram that the utility model embodiment is provided.
Fig. 5 is that the halogen tungsten lamp array that the utility model embodiment is provided replaces YAG teaching laser device principle framework figures.
Fig. 6 is that the halogen tungsten lamp array that the utility model embodiment is provided replaces sunshine drive circuit module.
In Fig. 2：1st, solar panel；2nd, solar cell grillage；3rd, solar charging controller, battery, DCDC
The circuit module of power module composition；4th, wire；5th, LD pumping sources；6th, collimation lens；7th, condenser lens；8th, plano-concave pumping mirror；
9、Nd：YAG laser crystal；10th, flat output mirror；11st, KTP frequency-doubling crystals.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain this practicality
It is new, it is not used to limit the utility model.
Structure of the present utility model is explained in detail below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 5, the YAG teaching laser devices of the utility model embodiment include：Solar energy power generating system
System, for producing electric energy；Charge controller, it is ensured that battery-operated greatly prolongs the use longevity of battery in optimal state
Life；Battery, the electric energy for storing and discharging solar panel generation；DCDC power module LD laser driving circuit
Plate, the unstable direct current energy that solar energy photovoltaic system is produced is converted to the stable DC electricity needed for laser LD pumping sources
Energy；Low threshold Nd：YAG laser, by pumping source, collimating mirror, focus lamp, plano-concave pumping mirror, laser crystal, plane output coupling
Mirror and KTP frequency-doubling crystals composition.
The design parameter of element is as follows：Solar panel be 50W/18V export monocrystalline silicon, size 530*350*22mm,
Normal working voltage is 17.2V, and operating current is 1.16A, and open-circuit voltage is up to 22.2V, and short circuit current flow is 1.24A, conversion effect
Rate is 18%.Solar charging controller can have with automatic identification 12V or 24V, charging current and load current up to 10A
The functions such as overload protection, output short circuit protection.Battery is the 10Ah/12V special colloid storage battery of solar energy, in practical application
To ensure that battery is without damage, battery charging voltage may not exceed 24V, and discharge voltage can not be less than 8V, in the system work(
, can continuously using 3 hours, output voltage be not less than 8V during battery full capacity under rate requirement.DCDC power module input voltages
Scope is direct current 5V -30V, and output voltage is that 1.25V -28V is adjustable, and under the conditions of 5V voltage outputs, maximum output current can
Up to 8A, efficiency meets laser peak power 5V/4A/20W requirement up to 91%, with overload, over-pressed, short-circuit, under-voltage guarantor
Shield.LD laser driving circuit plate power supply voltage ranges are：4.5V -5.5V, electric current is 4A during peak power.Collimation lens
Focal length is 50mm, and the focal length of condenser lens is 100mm；The concave curvature radius of plano-concave pumping mirror is 150mm.Pumping source is wavelength
The semiconductor laser exported for 808nm fiber coupling, pump power is up to 2W.Plano-concave pumping mirror is high to 808nm light thoroughly,
Transmitance is more than 95%, and high to 1064nm light anti-, reflectivity is more than 99.8%.Nd：YAG laser crystal size is 4*4*5mm, Nd
It is doped to 1.1%.Flat output mirror is 5 to the transmitance of 1064nm light.KTP frequency-doubling crystals size is 4*4*5mm.
Specific installation requirement is as follows：When sunshine is sufficient, solar panel is fixed on solar cell grillage,
When indoors, solar panel is placed on immediately below halogen tungsten lamp array.Solar charging controller, battery, DCDC electricity
Source module and LD laser driving circuit plates are packaged in box jointly.LD pump laser optical fiber heads pass through ring flange
It is fixed on two-dimentional adjustable mirror holder, collimation lens, condenser lens, plano-concave pumping mirror and flat output mirror are fixed on two-dimentional adjustable mirror
On frame.Two dimension is adjustable, and mirror holder is fixed on slide unit by pole and sleeve, and the height of each element is can adjust by pole,
Nd：YAG laser crystal and KTP frequency-doubling crystals are fixed by 25*20*5mm (the long wide * of * are high) platform connection pole and sleeve
On slide unit, slide unit is installed on accurate slide rail, by sliding back and forth the distance between each adjustable element.
Specific regulation is as follows：It is energy source for 50W/18V single-crystalline-silicon solar-cell panel to use nominal output values, and
It is the special colloid storage battery charging of 10Ah/12V solar energy by solar charging controller, then by DCDC power modules and LD
Laser driving circuit plate, is transformed to required 5V power supplys, required electrical power is provided for LD pumping sources, this is partly belonged to
Circuit oneself control module, need to only open switch during work.Then 808nm/2W continuous light is produced by LD pumping sources, is led to
Cross collimation lens and 808nm pump lights are focused on into Nd by beam collimation, then by condenser lens：YAG laser crystal center, swashs
The distance of luminescent crystal centre-to-centre spacing condenser lens is about 100mm, and plano-concave pumping mirror, flat output mirror constitute the border chamber of linear pattern two,
Two sides mirror is at a distance of 60mm or so, and laser crystal is placed on two mirror chamber near center locations, carefully in regulation light path each element from
And export 1064nm near-infrared lasers.1064nm light be can obtain into 532nm visible greens through ktp crystal times pollakicoprosis.
Application principle of the present utility model is explained in detail with reference to specific embodiment.
Embodiment 1 of the present utility model is as shown in Fig. 2 by solar panel 1, solar cell grillage 2, circuit module
3rd, wire 4, LD pumping sources 5, collimation lens 6, condenser lens 7, plano-concave pumping mirror 8, Nd：YAG laser crystal 9, flat output mirror
10th, the YAG teaching laser devices of the composition of KTP frequency-doubling crystals 11 sunshine irradiation.Powered by sunshine for solar panel, and
Charged by solar charging controller for battery, then by DCDC power modules and LD laser driving circuit plates, conversion
For required 5V power supplys, required electrical power is provided for LD pumping sources.Then 808nm/2W company is produced by LD pumping sources
Continuous light, pump mode is end pumping, and Nd is focused on by collimation, condenser lens：It is plano-concave pumping mirror, flat in YAG laser crystal
Face outgoing mirror constitutes the border chamber of linear pattern two, by adjusting the element of each in light path so as to export 1064nm near-infrared lasers.Will
1064nm light can obtain 532nm visible greens through ktp crystal times pollakicoprosis.
In experiment, 50W/18V solar panels are irradiated with sunshine, in 12 points to 4 points of the sky and water Qinzhou District area afternoon
When illumination is sufficient, peak power output is up to 35W, electric current 2.3A, voltage 15V.It is that LD pumping sources are powered through circuit module, carefully
It is 400mW to the output threshold value of 1064nm light that regulation light path, which measures the laser, and the Slop efficiency relative to input pumping is
29.65%, highest 2W draw power export 475mW laser.Through ktp crystal frequency multiplication, most high available 385mW 532nm is visible
Green glow, light-phototranstormation efficiency is 76%, under non-illuminated conditions, and fully charged battery can ensure laser normal work at 3
Hour or so, laser power stabilization, functional during this period.
Embodiment 2：
Embodiment 2 of the present utility model is as shown in figure 5, by halogen tungsten lamp array, fan, solar panel 1, solar-electricity
Pond grillage 2, circuit module 3, wire 4, LD pumping sources 5, collimation lens 6, condenser lens 7, plano-concave pumping mirror 8, Nd：YAG laser
Crystal 9, flat output mirror 10, the YAG teaching laser devices of the composition halogen tungsten lamp array irradiation of KTP frequency-doubling crystals 11.Pass through halogen tungsten lamp
Array is powered instead of sunshine for solar panel, and other steps just can obtain in accordance with the adjusting method in embodiment 1
1064nm black light and the 532nm visible greens of frequency multiplication.
Single-crystalline-silicon solar-cell panel is 950nm to efficiency of light absorption highest wavelength, and effective range is 300nm-
1100nm, the maximum wavelength of halogen tungsten lamp luminescent spectrum efficiency is 1000nm, and effective range is 500-2500nm, and monocrystalline silicon is too
It is positive can cell panel effective uptake region relatively, light energy absorption efficiency compares xenon lamp and Halogen lamp LED will height well.Halogen tungsten lamp
Array is made up of 9 halogen tungsten lamps, is arranged using 3 rows, 3 row modes, irradiated area 500*500mm meets solar cell enough
The requirement of luminous energy needed for plate.
In experiment, the array irradiation 20W/18V solar panels of 9 halogen tungsten lamp compositions, solar panel is placed on 9
Immediately below the array of halogen tungsten lamp composition, peak power output is designed with high-power heat-dissipation up to 14W, electric current 1A, voltage 14V
Fan, prevents that battery plate temperature is too high and damages, and halogen tungsten lamp and radiator fan are powered as 220V electric mains, and the wind speed of fan can
Adjust, general regulation to maximum fully radiating, 20W/18V solar panels need to be positioned over the underface of halogen tungsten lamp.Through circuit mould
Block is that LD pumping sources are powered, and it is 400mW to the output threshold value of 1064nm light that carefully regulation light path, which measures the laser, relative to defeated
The Slop efficiency for entering pumping is 29.65%, highest 2W draw powers output 475mW laser.Through ktp crystal frequency multiplication, most high available
385mW 532nm visible greens, light-phototranstormation efficiency is 76%, under non-illuminated conditions, and fully charged battery can ensure to swash
Light device normal work is in or so 3 hours, and laser power stabilization, functional during this period.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (5)
1. a kind of YAG teaching lasers device, it is characterised in that the YAG teaching lasers device includes：
Solar panel；
The control circuit module being connected by wire with solar panel；
The laser being connected by wire with control circuit module；
The laser includes：
For producing the LD pumping sources that wavelength is 808nm laser；
For high thoroughly, the collimating mirror and focus lens system that pump light is focused in crystal to pump light 808nm；
For high thoroughly to 808nm, to the high anti-plano-concave pumping mirror of 1064nm light；
Be converted into for the energy that provides LD pumping sources by optical resonator be concerned with room and time there is height
The Nd of collimation and monochromaticjty laser:YAG laser crystal；
It is 5% to 1064nm light transmission rates and 808nm light reflectivities is more than for the output of 1064nm light part, is coated with
The flat output mirror of 99.9% deielectric-coating；
For by 1064nm black lights frequency multiplication be 532nm visible greens ktp crystal.
2. YAG teaching lasers device as claimed in claim 1, it is characterised in that the solar panel is provided with halogen tungsten lamp
Array；
Halogen tungsten lamp array is made up of 9 halogen tungsten lamps, is arranged using 3 rows, 3 row modes.
3. YAG teaching lasers device as claimed in claim 1, it is characterised in that the solar panel passes through solar-electricity
Pond grillage is fixed；
Solar panel fixed mount is assembled by angle bar, and slide slot is set on angle bar, by setting slide slot to make on angle bar
The acute angle that is formed of solar cell plate face and ground continuously adjustabe in the range of 27 ° -75 °.
4. YAG teaching lasers device as claimed in claim 1, it is characterised in that the circuit module includes：
Solar charging controller for ensureing battery-operated state；
For the battery for the electric energy for storing and discharging solar panel generation；
For by too can the unstable DC voltage that produces of cell panel be converted into stable DC voltage needed for LD pumping sources
DCDC power modules.
5. YAG teaching lasers device as claimed in claim 4, it is characterised in that the LD pumping sources are the light that wavelength is 808nm
The semiconductor laser of fibre coupling output；The focal length of collimation lens is 50mm；The focal length of condenser lens is 100mm；Plano-concave pumping
The concave curvature radius R=150mm of mirror, is coated with high to 808nm light saturating；Flat output mirror is coated with is to 1064nm light transmission rates
5% deielectric-coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621365394.1U CN206490296U (en) | 2016-12-13 | 2016-12-13 | YAG teaching laser devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621365394.1U CN206490296U (en) | 2016-12-13 | 2016-12-13 | YAG teaching laser devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206490296U true CN206490296U (en) | 2017-09-12 |
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ID=59768533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621365394.1U Expired - Fee Related CN206490296U (en) | 2016-12-13 | 2016-12-13 | YAG teaching laser devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206490296U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113209352A (en) * | 2021-05-17 | 2021-08-06 | 南京航空航天大学 | Sterilization lamp capable of recycling invisible light energy |
-
2016
- 2016-12-13 CN CN201621365394.1U patent/CN206490296U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113209352A (en) * | 2021-05-17 | 2021-08-06 | 南京航空航天大学 | Sterilization lamp capable of recycling invisible light energy |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170912 Termination date: 20171213 |
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| CF01 | Termination of patent right due to non-payment of annual fee |