CN103227411B - A kind of distinguished and admirable pair causes constant temperature laser and constant temperature method thereof - Google Patents
A kind of distinguished and admirable pair causes constant temperature laser and constant temperature method thereof Download PDFInfo
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- CN103227411B CN103227411B CN201310137962.7A CN201310137962A CN103227411B CN 103227411 B CN103227411 B CN 103227411B CN 201310137962 A CN201310137962 A CN 201310137962A CN 103227411 B CN103227411 B CN 103227411B
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Abstract
Open a kind of distinguished and admirable couple of the present invention causes constant temperature laser, this laser includes a laser head and a laser pumping apparatus, the laser transmission that laser pumping apparatus sends is to laser head, and this laser also includes at least one first thermoelectric refrigerating unit, at least one second thermoelectric refrigerating unit, an air source apparatus, distinguished and admirable heat sink assembly and a data processing unit.Wherein, by air source apparatus and the heat sink acting in conjunction of wind regime, what achieve laser head and laser pumping apparatus is tuning fast, it is made to have larger temperature control capability, further hair-breadth tuning is carried out to the temperature of laser head and laser pumping apparatus in conjunction with thermoelectric refrigerating unit again, thus achieve the temperature of laser is locked, not only increase temperature control capacity and the accuracy of temperature control of laser, also reduce product cost.
Description
Technical field
The present invention relates to laser thermostat and constant temperature method, particularly relate to a kind of distinguished and admirable pair and cause constant temperature laser and cause constant temperature method for the distinguished and admirable two of this laser.
Background technology
The heat energy that semiconductor laser is produced in the course of the work declines causing the efficiency of laser, thus bring a lot of problem such as efficiency reduction, service life reduction, wherein, Laser Devices send laser centre wavelength be 808nm, in order to avoid the centre wavelength of laser is drifted about, so usually utilize peltier effect to carry out semiconductor refrigerating to Laser Devices along with the change of Laser Devices temperature.In paltie effect, charge carrier moves in the conductor and forms electric current, because charge carrier is in different energy levels in different materials, so when it moves from high level to low-lying level, unnecessary heat will be discharged, otherwise, just need to absorb heat from the external world, namely refrigeration is shown as, in existing electric conducting material, semi-conducting material has high thermoelectric potential, so be commonly used to make thermoelectric refrigerating unit, and utilize this thermoelectric refrigerating unit to adjust the temperature of Laser Devices, but, by the refrigeration of thermoelectric refrigerating unit, the impact of heating capacity, be difficult to realize carrying out thermal tuning to high power semiconductor lasers.
In order to make high power semiconductor lasers, there is stronger temperature control capacity, in prior art, most employing high accuracy water tank carries out thermal tuning and locking to laser, high accuracy water tank is in Long-Time Service process, tank inner wall or pipeline easily form incrustation scale, these incrustation scales have a strong impact on the flow of heat conduction inside and outside water tank and water, cause the temperature control capacity of high accuracy water tank to decline, and are difficult to realize the hair-breadth tuning to laser temperature and locking.Meanwhile, because high accuracy water tank price is high, so this laser also has higher product cost.In addition, this high accuracy water tank often need change water, therefore also brings inconvenience to the use procedure of laser.
What time can find out in conjunction with above, existing high power semiconductor lasers, when it exists Long-Time Service, temperature control capacity declines, thermal tuning precision reduces, cost is higher and be not easy to the defect of use.
Summary of the invention
The technical problem to be solved in the present invention is, for the deficiencies in the prior art, a kind of distinguished and admirable pair is provided to cause constant temperature laser and constant temperature method thereof, this laser can realize thermal tuning and locking without the need to high accuracy water tank, avoid the conduction affecting heat because of incrustation scale, thus improve the two of laser and cause temperature control capacity and accuracy of temperature control, also reduce product cost simultaneously, in addition, this laser also avoid the inconvenience caused use procedure because high accuracy water tank changes water.
For solving the problems of the technologies described above, the present invention adopts following technical scheme.
A kind of distinguished and admirable pair causes constant temperature laser, this laser includes a laser head and a laser pumping apparatus, the laser transmission that described laser pumping apparatus sends is to laser head, described laser also includes at least one first thermoelectric refrigerating unit, at least one second thermoelectric refrigerating unit, one air source apparatus, one distinguished and admirable heat sink assembly and a data processing unit, described first thermoelectric refrigerating unit is located between laser head and distinguished and admirable heat sink assembly, described second thermoelectric refrigerating unit is located between laser pumping apparatus and distinguished and admirable heat sink assembly, cavity is provided with in described distinguished and admirable heat sink assembly, this cavity is provided with an entrance and an outlet, described air source apparatus is for exporting cold wind or hot blast, and its air outlet is connected with the entrance of distinguished and admirable heat sink assembly, wherein: described data processing unit is used for processing the signal of telecommunication of its input, and send control command according to result, described laser head is provided with at least one first temperature sensor, described laser pumping apparatus is provided with at least one second temperature sensor, described distinguished and admirable heat sink assembly is provided with at least one three-temperature sensor, and the temperature data that described first temperature sensor, the second temperature sensor and three-temperature sensor are respectively used to it to be gathered is converted to the signal of telecommunication and transfers to data processing unit, be connected with one first refrigerator driver module between described data processing unit and the first thermoelectric refrigerating unit, described first refrigerator driver module regulates for performing the control command of data processing unit the size of current and the sense of current that flow through the first thermoelectric refrigerating unit, be connected with one second refrigerator driver module between described data processing unit and the second thermoelectric refrigerating unit, described second refrigerator driver module regulates for performing the control command of data processing unit the size of current and the sense of current that flow through the second thermoelectric refrigerating unit, be connected with a wind regime driver module between described data processing unit and air source apparatus, described wind regime driver module drives air source apparatus to export cold wind or hot blast for performing the control command of data processing unit.
Preferably, described air source apparatus is heat pump type air conditioner, it includes one first heat exchanger, one second heat exchanger, one electromagnetism four-way change-over valve, one compressor and a capillary, described capillary is connected between the fluidic interface of the first heat exchanger and the fluidic interface of the second heat exchanger, the gas interface of the first heat exchanger is connected with the indoor interface of electromagnetism four-way change-over valve, the gas interface of the second heat exchanger is connected with the outdoor interface of electromagnetism four-way change-over valve, between the high voltage interface that compressor is connected to electromagnetism four-way change-over valve and low-voltage interface, the cold wind that described first heat exchanger produces or hot blast are exported by air outlet.
Preferably, described electromagnetism four-way change-over valve and compressor are connected to wind regime driver module, and described wind regime driver module performs the control command of data processing unit and drives compressor operation, and send commutation instruction to electromagnetism four-way change-over valve.
Preferably, described air source apparatus includes wet curtain air-cooler, a fan and an electric heater, and the hot blast that described fan and electric heater produce is exported by air outlet, or the cold wind that described wet curtain air-cooler produces is exported by air outlet.
Preferably, described wet curtain air-cooler, fan and electric heater are connected to wind regime driver module, and described wind regime driver module performs the control command of data processing unit and drive fan and electric heater produce hot blast, or drive wet curtain air-cooler to produce cold wind.
Preferably, a First Transition is provided with heat sink between described first thermoelectric refrigerating unit and distinguished and admirable heat sink assembly, described first thermoelectric refrigerating unit is by heat conducting film or heat conductive silica gel and the heat sink laminating of First Transition, and described First Transition is heat sink passes through heat conducting film or heat conductive silica gel and distinguished and admirable heat sink component joint; One second transition heat sink is provided with between described second thermoelectric refrigerating unit and distinguished and admirable heat sink assembly, described second thermoelectric refrigerating unit is fitted by heat conducting film or heat conductive silica gel and the second transition heat sink, and described second transition heat sink passes through heat conducting film or heat conductive silica gel and distinguished and admirable heat sink component joint; Described laser pumping apparatus is provided with one the 3rd transition heat sink, and described second temperature sensor is fixed in the 3rd transition heat sink, is fitted between described 3rd transition heat sink and the second thermoelectric refrigerating unit by heat conducting film or heat conductive silica gel.
Preferably, described distinguished and admirable heat sink assembly distinguished and admirablely heat sinkly to be formed by one, and this is distinguished and admirable is heat sinkly provided with described cavity, and this cavity is provided with described entrance and described outlet, described laser head and laser pumping apparatus be all positioned at this distinguished and admirable heat sink on.
Preferably, described distinguished and admirable heat sink assembly include at least two distinguished and admirable heat sink, each distinguished and admirable heat sink on be equipped with at least one three-temperature sensor, eachly distinguished and admirablely heat sinkly be equipped with cavity, each cavity is equipped with entrance and exit, described laser head and laser pumping apparatus lay respectively at Bu Tong distinguished and admirable heat sink on, described distinguished and admirable heat sink between be in parallel or series connection, or the connecting mode of parallel connection and serial connection mixing.
Preferably, multiple fin is provided with in the cavity of described distinguished and admirable heat sink assembly.
Cause a constant temperature method for the distinguished and admirable two of laser, the method comprises the steps: step S100, complete machine powering, and the first temperature sensor, the second temperature sensor and three-temperature sensor start collecting temperature data, step S101, data processing unit processes the temperature data that the first temperature sensor and the second temperature sensor gather respectively, obtain the temperature that laser head and laser pumping apparatus reflect, and judge, if the temperature of the two is too low, then perform step S102, if the temperature of the two is too high, then perform step S103, step S102, air source apparatus exports hot blast, first refrigerator driver module and the second refrigerator driver module regulate the size of current and the sense of current that flow through the first thermoelectric refrigerating unit and the second thermoelectric refrigerating unit respectively simultaneously, laser head and laser pumping apparatus is passed to make high temperature heat, low temperature heat energy is passed to distinguished and admirable heat sink assembly, until the temperature of laser head and laser pumping apparatus reaches turn-on temperature, perform step S104 afterwards, step S103, air source apparatus exports cold wind, first refrigerator driver module and the second refrigerator driver module regulate the size of current and the sense of current that flow through the first thermoelectric refrigerating unit and the second thermoelectric refrigerating unit respectively simultaneously, laser head and laser pumping apparatus is passed to make low temperature heat energy, high temperature heat is passed to distinguished and admirable heat sink assembly, until the temperature of laser head and laser pumping apparatus reaches turn-on temperature, perform step S104 afterwards, step S104, the temperature that described data processing unit by the first temperature sensor, real-time monitoring laser head is reflected, and flow through the size of current of the first thermoelectric refrigerating unit and the sense of current by regulating and the temperature of laser head is finely tuned, and the temperature of laser head is locked in preset temperature value, simultaneously, the temperature that described data processing unit by the second temperature sensor, real-time monitoring laser pump arrangement is reflected, and flow through the size of current of the second thermoelectric refrigerating unit and the sense of current by regulating and the temperature of laser pumping apparatus is finely tuned, and the temperature of laser pumping apparatus is locked in preset temperature value.
Distinguished and admirable pair disclosed by the invention causes constant temperature laser and constant temperature method thereof, its beneficial effect is, by the acting in conjunction of air source apparatus and distinguished and admirable heat sink assembly, achieve the fast temperature tuning to laser head and laser pumping apparatus, it is made to have larger temperature control capability, wherein, because the temperature of distinguished and admirable heat sink assembly is controlled, and this temperature can be high temperature under the control of data processing unit can be also low temperature, twoly cause thermal tuning so achieve.On this basis, more further hair-breadth tuning is carried out to the temperature of laser head and laser pumping apparatus in conjunction with thermoelectric refrigerating unit, thus achieve the temperature of laser is locked.Therefore, the present invention can realize thermal tuning without the need to high accuracy water tank, avoid the impact that incrustation scale causes heat conduction, thus improve the two of laser and cause temperature control capacity and accuracy of temperature control, also reduce product cost simultaneously, in addition, this laser also avoid the inconvenience caused use procedure because high accuracy water tank changes water.
Accompanying drawing explanation
Fig. 1 is distinguished and admirable two side sectional view causing constant temperature laser that the present invention proposes.
Fig. 2 is the distinguished and admirable two circuit block diagram causing constant temperature laser shown in Fig. 1.
Structural representation when Fig. 3 is the air source apparatus output cold wind in first embodiment of the invention.
Structural representation when Fig. 4 is the air source apparatus output hot blast in first embodiment of the invention.
Fig. 5 is the circuit block diagram of first embodiment of the invention.
Structural representation when Fig. 6 is the air source apparatus output cold wind in second embodiment of the invention.
Structural representation when Fig. 7 is the air source apparatus output hot blast in second embodiment of the invention.
Fig. 8 is the circuit block diagram of second embodiment of the invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in more detail.
The present invention proposes a kind of distinguished and admirable pair and causes constant temperature laser, shown in composition graphs 1 and Fig. 2, this laser includes laser head 1 and a laser pumping apparatus 2, the laser transmission that described laser pumping apparatus 2 sends is to laser head 1, described laser also includes at least one first thermoelectric refrigerating unit 3, at least one second thermoelectric refrigerating unit 4, one air source apparatus 5, one distinguished and admirable heat sink assembly 6 and a data processing unit 9, described first thermoelectric refrigerating unit 3 is located between laser head 1 and distinguished and admirable heat sink assembly 6, described second thermoelectric refrigerating unit 4 is located between laser pumping apparatus 2 and distinguished and admirable heat sink assembly 6, a cavity is provided with in described distinguished and admirable heat sink assembly 6, this cavity is provided with entrance 61 and an outlet 62, described air source apparatus 5 is for exporting cold wind or hot blast, and its air outlet 51 is connected with the entrance 61 of distinguished and admirable heat sink assembly 6, wherein: described data processing unit 9 processes for the signal of telecommunication inputted it, and send control command according to result, described laser head 1 is provided with at least one first temperature sensor 10, described laser pumping apparatus 2 is provided with at least one second temperature sensor 20, described distinguished and admirable heat sink assembly 6 is provided with at least one three-temperature sensor 60, and the temperature data that described first temperature sensor 10, second temperature sensor 20 and three-temperature sensor 60 are respectively used to it to be gathered is converted to the signal of telecommunication and transfers to data processing unit 9, be connected with one first refrigerator driver module 30 between described data processing unit 9 and the first thermoelectric refrigerating unit 3, described first refrigerator driver module 30 regulates for performing the control command of data processing unit 9 size of current and the sense of current that flow through the first thermoelectric refrigerating unit 3, be connected with one second refrigerator driver module 40 between described data processing unit 9 and the second thermoelectric refrigerating unit 4, described second refrigerator driver module 40 regulates for performing the control command of data processing unit 9 size of current and the sense of current that flow through the second thermoelectric refrigerating unit 4, be connected with a wind regime driver module 50 between described data processing unit 9 and air source apparatus 5, described wind regime driver module 50 drives air source apparatus 5 to export cold wind or hot blast for performing the control command of data processing unit 9.
In above-mentioned laser, after complete machine powering, the first temperature sensor 10, second temperature sensor 20 and three-temperature sensor 60 start collecting temperature data.Laser is in start process, when the temperature that laser head 1 and laser pumping apparatus 2 reflect is too low, the temperature data that it gathers is fed back to data processing unit 9 by the first temperature sensor 10 and the second temperature sensor 20 respectively, data processing unit 9 processes this temperature data, and drive air source apparatus 5 to export hot blast to distinguished and admirable heat sink assembly 6 by wind regime driver module 50, the temperature of distinguished and admirable heat sink assembly 6 is raised, simultaneously, data processing unit 9 regulates by the first refrigerator driver module 30 and the second refrigerator driver module 40 size of current and the sense of current that flow through the first thermoelectric refrigerating unit 3 and the second thermoelectric refrigerating unit 4 respectively, two thermoelectric refrigerating unit are made high temperature heat to be passed to laser head 1 and laser pumping apparatus 2 respectively, and low temperature heat energy is passed to distinguished and admirable heat sink assembly 6 respectively, until the temperature that laser head 1 and laser pumping apparatus 2 reflect reaches the requirement of laser start.Laser is in start process, when the temperature that laser head 1 and laser pumping apparatus 2 reflect is too high, the temperature data that it gathers is fed back to data processing unit 9 by the first temperature sensor 10 and the second temperature sensor 20 respectively, data processing unit 9 processes this temperature data, and drive air source apparatus 5 to export cold wind to distinguished and admirable heat sink assembly 6 by wind regime driver module 50, the temperature of distinguished and admirable heat sink assembly 6 is reduced, simultaneously, data processing unit 9 regulates by the first refrigerator driver module 30 and the second refrigerator driver module 40 size of current and the sense of current that flow through the first thermoelectric refrigerating unit 3 and the second thermoelectric refrigerating unit 4 respectively, two thermoelectric refrigerating unit are freezed to laser head 1 and laser pumping apparatus 2 respectively, the heat that two thermoelectric refrigerating unit produce is passed to distinguished and admirable heat sink assembly 6, and the cold wind flow through in cavity by distinguished and admirable heat sink assembly 6 is lowered the temperature to two thermoelectric refrigerating unit, constantly, until the temperature that laser head 1 and laser pumping apparatus 2 reflect reaches the requirement of laser start.Wherein, under the acting in conjunction of two thermoelectric refrigerating unit, air source apparatus 5 and distinguished and admirable heat sink assembly 6, solve when operating ambient temperature too high or too low time, laser be difficult to start shooting problem, make laser can enter operating state smoothly.
This laser in the course of the work, the temperature that data processing unit 9 by the first temperature sensor 10 and the second temperature sensor 20, real-time monitoring laser head 1 and laser pumping apparatus 2 is reflected, and respectively hair-breadth tuning is carried out to the temperature of laser head 1 and laser pumping apparatus 2 by the first thermoelectric refrigerating unit 3 and the second thermoelectric refrigerating unit 4, thus realize temperature stability and the tunability of laser, simultaneously, described data processing unit 9 monitors the temperature of distinguished and admirable heat sink assembly 6 in real time by three-temperature sensor 60, and controlled by wind regime driver module 50 pairs of air source apparatus 5, air source apparatus 5 is regulated to export distinguished and admirable temperature and flow, to make distinguished and admirable heat sink assembly 6, there is higher refrigeration and heating capacity.Wherein, because the temperature of distinguished and admirable heat sink assembly 6 is controlled, and this temperature can be high temperature under the control of data processing unit 9 also can be low temperature, distinguished and admirablely the two thermal tuning caused of cold wind or hot blast is carried out so achieve to utilize, further hair-breadth tuning is carried out to the temperature of laser head 1 and laser pumping apparatus 2 in conjunction with two thermoelectric refrigerating unit again, make this laser have higher temperature control capacity and accuracy of temperature control.
As a kind of optimal way, described distinguished and admirable heat sink assembly 6 distinguished and admirablely heat sinkly to be formed by one, and this is distinguished and admirable is heat sinkly provided with described cavity, and this cavity is provided with described entrance 61 and described outlet 62, described laser head 1 and laser pumping apparatus 2 be all positioned at this distinguished and admirable heat sink on.
As another kind of optimal way, described distinguished and admirable heat sink assembly 6 include two distinguished and admirable heat sink, each distinguished and admirable heat sink on be equipped with at least one three-temperature sensor 60, eachly distinguished and admirablely heat sinkly be equipped with cavity, each cavity is equipped with entrance and exit, described laser head 1 and laser pumping apparatus 2 lay respectively at two distinguished and admirable heat sink on, two distinguished and admirable heat sink parallel with one another or successively series connection after form distinguished and admirable heat sink assembly 6.
As another optimal way, described distinguished and admirable heat sink assembly 6 includes multiple distinguished and admirable heat sink, each distinguished and admirable heat sink on be equipped with at least one three-temperature sensor 60, eachly distinguished and admirablely heat sinkly be equipped with cavity, each cavity is equipped with entrance and exit, described laser head 1 and laser pumping apparatus 2 lay respectively at Bu Tong distinguished and admirable heat sink on, multiple distinguished and admirable heat sink between be in parallel or series connection, or the connecting mode of parallel connection and serial connection mixing.
In order to set forth the composition structure of air source apparatus 5 better, the present invention proposes following two embodiments:
Embodiment 1:
Composition graphs 1, Fig. 3, shown in Fig. 4 and Fig. 5, described air source apparatus 5 is heat pump type air conditioner, it includes one first heat exchanger 52, one second heat exchanger 53, one electromagnetism four-way change-over valve 54, one compressor 55 and a capillary 56, described capillary 56 is connected between the fluidic interface of the first heat exchanger 52 and the fluidic interface of the second heat exchanger 53, the gas interface of the first heat exchanger 52 is connected with the indoor interface of electromagnetism four-way change-over valve 54, the gas interface of the second heat exchanger 53 is connected with the outdoor interface of electromagnetism four-way change-over valve 54, between the high voltage interface that compressor 55 is connected to electromagnetism four-way change-over valve 54 and low-voltage interface, the cold wind that described first heat exchanger 52 produces or hot blast are exported by air outlet 51.
Described electromagnetism four-way change-over valve 54 and compressor 55 are connected to wind regime driver module 50, and described wind regime driver module 50 performs the control command of data processing unit 9 and drives compressor 55 to operate, and send commutation instruction to electromagnetism four-way change-over valve 54.
Wherein, when air source apparatus 5 needs to export cold wind, wind regime driver module 50 drives electric operation on compressor 55, send commutation instruction to electromagnetism four-way change-over valve 54 simultaneously, the low-pressure low-temperature air-flow that first heat exchanger 52 is produced transfers to the second heat exchanger 53 by electromagnetism four-way change-over valve 54 and compressor 55 successively, now, the second heat exchanger 53 is condenser, and the first heat exchanger 52 is for evaporator and its cold wind produced transfers to distinguished and admirable heat sink assembly 6 by air outlet 51; When air source apparatus 5 needs to export hot blast, wind regime driver module 50 drives electric operation on compressor 55, send commutation instruction to electromagnetism four-way change-over valve 54 simultaneously, the high pressure-temperature air-flow that second heat exchanger 53 is produced transfers to the first heat exchanger 52 by electromagnetism four-way change-over valve 54 and compressor 55 successively, now, second heat exchanger 53 is evaporator, and the first heat exchanger 52 is for condenser and its hot blast produced transfers to distinguished and admirable heat sink assembly 6 by air outlet 51.Thus achieve and export cold wind or hot blast, the air source apparatus 5 of this structure, it is advantageous that the controllability of exported cold wind and hot blast is good, and refrigeration and heating efficiency higher.
Embodiment 2:
Shown in composition graphs 1, Fig. 6, Fig. 7 and Fig. 8, described air source apparatus 5 includes wet curtain air-cooler 57, fan 58 and an electric heater 59, the hot blast that described fan 58 and electric heater 59 produce is exported by air outlet 51, or the cold wind that described wet curtain air-cooler 57 produces is exported by air outlet 51.
Described wet curtain air-cooler 57, fan 58 and electric heater 59 are connected to wind regime driver module 50, described wind regime driver module 50 performs the control command of data processing unit 9 and drive fan 58 and electric heater 59 produce hot blast, or drives wet curtain air-cooler 57 to produce cold wind.
In the present embodiment, described electric heater 59 can be any one or a few the combination in resistance heater, thermoelectric refrigerating unit and electromagnetic heater, but in other embodiments of the invention, described electric heater 59 can also be the heater of other types.
Wherein, when air source apparatus 5 needs to export cold wind, wind regime driver module 50 sends control signal to make electric heater 59 and fan 58 in closed condition, work on power with wet curtain air-cooler 57 in season, and the cold wind of preset strength and preset temperature is exported by control command, make cold wind transfer to distinguished and admirable heat sink assembly 6 by air outlet 51.When air source apparatus 5 needs to export hot blast, wind regime driver module 50 sends control signal to make wet curtain air-cooler 57 in closed condition, work on power with seasonal electric heater 59 and fan 58, electric heater 59 produces heat, the wind that fan 58 produces exports heat to distinguished and admirable heat sink assembly 6 by air outlet 51, in practical application, the temperature of the hot blast regulating air source apparatus 5 to export further by the control rotating speed of fan 58 or the temperature of electric heater 59.The air source apparatus 5 of this structure, it is advantageous that structure is simple, with low cost, is easy to mass production.
It should be noted that above-mentioned two embodiments are preferred embodiment of the present invention, be not limited to the present invention, in other embodiments of the invention, described air source apparatus 5 can also be the device of other exportable cold wind and hot blast.
As shown in Figure 1, a First Transition heat sink 7 is provided with between described first thermoelectric refrigerating unit 3 and distinguished and admirable heat sink assembly 6, described first thermoelectric refrigerating unit 3 is fitted by heat conducting film or heat conductive silica gel and First Transition heat sink 7, and described First Transition is heat sink 7 is fitted by heat conducting film or heat conductive silica gel and distinguished and admirable heat sink assembly 6.One second transition heat sink 8 is provided with between described second thermoelectric refrigerating unit 4 and distinguished and admirable heat sink assembly 6, described second thermoelectric refrigerating unit 4 is fitted by heat conducting film or heat conductive silica gel and the second transition heat sink 8, and described second transition heat sink 8 is fitted by heat conducting film or heat conductive silica gel and distinguished and admirable heat sink assembly 6.Described laser pumping apparatus 2 is provided with one the 3rd transition heat sink 21, and described second temperature sensor 20 is fixed in the 3rd transition heat sink 21, is fitted between described 3rd transition heat sink 21 and the second thermoelectric refrigerating unit 4 by heat conducting film or heat conductive silica gel.Be provided with multiple fin 63 in the cavity of described distinguished and admirable heat sink assembly 6, the heat-exchange capacity of hot blast or cold wind in distinguished and admirable heat sink assembly 6 and cavity can be strengthened by fin 63 further, heat can effectively be conducted.
In order to the present invention be combined with practical application better, the present invention also discloses and a kind ofly causes constant temperature method for the distinguished and admirable two of laser, and shown in composition graphs 1 and Fig. 2, the method comprises the steps:
Step S100, complete machine powering, the first temperature sensor 10, second temperature sensor 20 and three-temperature sensor 60 start collecting temperature data;
Step S101, data processing unit 9 processes the temperature data that the first temperature sensor 10 and the second temperature sensor 20 gather respectively, obtain the temperature that laser head 1 and laser pumping apparatus 2 reflect, and judge, if the temperature of the two is too low, then perform step S102, if the temperature of the two is too high, then perform step S103;
Step S102, air source apparatus 5 exports hot blast, first refrigerator driver module 30 and the second refrigerator driver module 40 regulate the size of current and the sense of current that flow through the first thermoelectric refrigerating unit 3 and the second thermoelectric refrigerating unit 4 respectively simultaneously, laser head 1 and laser pumping apparatus 2 is passed to make high temperature heat, low temperature heat energy is passed to distinguished and admirable heat sink assembly 6, until the temperature of laser head 1 and laser pumping apparatus 2 reaches turn-on temperature, perform step S104 afterwards;
Step S103, air source apparatus 5 exports cold wind, first refrigerator driver module 30 and the second refrigerator driver module 40 regulate the size of current and the sense of current that flow through the first thermoelectric refrigerating unit 3 and the second thermoelectric refrigerating unit 4 respectively simultaneously, laser head 1 and laser pumping apparatus 2 is passed to make low temperature heat energy, high temperature heat is passed to distinguished and admirable heat sink assembly 6, until the temperature of laser head 1 and laser pumping apparatus 2 reaches turn-on temperature, perform step S104 afterwards;
Step S104, the temperature that described data processing unit 9 by the first temperature sensor 10, real-time monitoring laser head 1 is reflected, and flow through the size of current of the first thermoelectric refrigerating unit 3 and the sense of current by regulating and the temperature of laser head 1 is finely tuned, and the temperature of laser head 1 is locked in preset temperature value, simultaneously, the temperature that described data processing unit 9 by the second temperature sensor 20, real-time monitoring laser pump arrangement 2 is reflected, and flow through the size of current of the second thermoelectric refrigerating unit 4 and the sense of current by regulating and the temperature of laser pumping apparatus 2 is finely tuned, and the temperature of laser pumping apparatus 2 is locked in preset temperature value.
Distinguished and admirable pair disclosed by the invention causes in constant temperature laser and constant temperature method thereof, by the acting in conjunction of air source apparatus 5 and distinguished and admirable heat sink assembly 6, achieve the fast temperature tuning to laser head 1 and laser pumping apparatus 2, it is made to have larger temperature control capability, wherein, because the temperature of distinguished and admirable heat sink assembly 6 is controlled, and this temperature can be high temperature under the control of data processing unit 9 also can be low temperature, so achieve the two of cold wind or hot blast to cause thermal tuning, should be noted that at this, the high temperature mentioned in technical solution of the present invention and low temperature, all for the temperature of controlled device, this high temperature and low temperature are just in order to set forth technical scheme of the present invention more legibly.On the fast temperature tuning basis of air source apparatus 5 and distinguished and admirable heat sink assembly 6, more further hair-breadth tuning is carried out to the temperature of laser head 1 and laser pumping apparatus 2 in conjunction with thermoelectric refrigerating unit, thus achieve the temperature of laser is locked.The present invention compared to existing technologies, thermal tuning can be realized without the need to high accuracy water tank, avoid the impact that incrustation scale causes heat conduction, thus improve temperature control capacity and the accuracy of temperature control of laser, also reduce product cost, in addition simultaneously, under the acting in conjunction of two thermoelectric refrigerating unit, air source apparatus 5 and distinguished and admirable heat sink assembly 6, solve when operating ambient temperature too high or too low time, laser be difficult to start shooting problem, make laser can enter operating state smoothly.Comprehensively above-mentioned some can find out, the present invention achieves larger progress in laser temperature control technology field, is adapted at applying in this area, and has wide market prospects.
The above is preferred embodiment of the present invention, is not limited to the present invention, all make in technical scope of the present invention amendment, equivalent to replace or improvement etc., all should be included in scope that the present invention protects.
Claims (10)
1. one kind distinguished and admirable pair causes constant temperature laser, this laser includes a laser head (1) and a laser pumping apparatus (2), the laser transmission that described laser pumping apparatus (2) sends is to laser head (1), it is characterized in that, described laser also includes at least one first thermoelectric refrigerating unit (3), at least one second thermoelectric refrigerating unit (4), one air source apparatus (5), one distinguished and admirable heat sink assembly (6) and a data processing unit (9), described first thermoelectric refrigerating unit (3) is located between laser head (1) and distinguished and admirable heat sink assembly (6), described second thermoelectric refrigerating unit (4) is located between laser pumping apparatus (2) and distinguished and admirable heat sink assembly (6), cavity is provided with in described distinguished and admirable heat sink assembly (6), this cavity is provided with an entrance (61) and an outlet (62), described air source apparatus (5) is for exporting cold wind or hot blast, and its air outlet (51) is connected with the entrance (61) of distinguished and admirable heat sink assembly (6), wherein:
Described data processing unit (9) processes for the signal of telecommunication inputted it, and sends control command according to result;
Described laser head (1) is provided with at least one first temperature sensor (10), described laser pumping apparatus (2) is provided with at least one second temperature sensor (20), described distinguished and admirable heat sink assembly (6) is provided with at least one three-temperature sensor (60), and the temperature data that described first temperature sensor (10), the second temperature sensor (20) and three-temperature sensor (60) are respectively used to it to be gathered is converted to the signal of telecommunication and transfers to data processing unit (9);
Be connected with one first refrigerator driver module (30) between described data processing unit (9) and the first thermoelectric refrigerating unit (3), described first refrigerator driver module (30) regulates for performing the control command of data processing unit (9) size of current and the sense of current that flow through the first thermoelectric refrigerating unit (3);
Be connected with one second refrigerator driver module (40) between described data processing unit (9) and the second thermoelectric refrigerating unit (4), described second refrigerator driver module (40) regulates for performing the control command of data processing unit (9) size of current and the sense of current that flow through the second thermoelectric refrigerating unit (4);
Be connected with a wind regime driver module (50) between described data processing unit (9) and air source apparatus (5), described wind regime driver module (50) drives air source apparatus (5) to export cold wind or hot blast for performing the control command of data processing unit (9).
2. distinguished and admirable pair as claimed in claim 1 causes constant temperature laser, it is characterized in that, described air source apparatus (5) is heat pump type air conditioner, it includes one first heat exchanger (52), one second heat exchanger (53), one electromagnetism four-way change-over valve (54), one compressor (55) and a capillary (56), described capillary (56) is connected between the fluidic interface of the first heat exchanger (52) and the fluidic interface of the second heat exchanger (53), the gas interface of the first heat exchanger (52) is connected with the indoor interface of electromagnetism four-way change-over valve (54), the gas interface of the second heat exchanger (53) is connected with the outdoor interface of electromagnetism four-way change-over valve (54), between the high voltage interface that compressor (55) is connected to electromagnetism four-way change-over valve (54) and low-voltage interface, the cold wind that described first heat exchanger (52) produces or hot blast are exported by air outlet (51).
3. distinguished and admirable pair as claimed in claim 2 causes constant temperature laser, it is characterized in that, described electromagnetism four-way change-over valve (54) and compressor (55) are connected to wind regime driver module (50), described wind regime driver module (50) performs the control command of data processing unit (9) and drives compressor (55) to operate, and sends commutation instruction to electromagnetism four-way change-over valve (54).
4. distinguished and admirable pair as claimed in claim 1 causes constant temperature laser, it is characterized in that, described air source apparatus (5) includes wet curtain air-cooler (57), a fan (58) and an electric heater (59), the hot blast that described fan (58) and electric heater (59) produce is exported by air outlet (51), or the cold wind that described wet curtain air-cooler (57) produces is exported by air outlet (51).
5. distinguished and admirable pair as claimed in claim 4 causes constant temperature laser, it is characterized in that, described wet curtain air-cooler (57), fan (58) and electric heater (59) are connected to wind regime driver module (50), described wind regime driver module (50) performs the control command of data processing unit (9) and drive fan (58) and electric heater (59) produce hot blast, or drives wet curtain air-cooler (57) to produce cold wind.
6. distinguished and admirable pair as claimed in claim 1 causes constant temperature laser, it is characterized in that, a First Transition heat sink (7) is provided with between described first thermoelectric refrigerating unit (3) and distinguished and admirable heat sink assembly (6), described first thermoelectric refrigerating unit (3) is fitted by heat conducting film or heat conductive silica gel and First Transition heat sink (7), and described First Transition is heat sink (7) is fitted by heat conducting film or heat conductive silica gel and distinguished and admirable heat sink assembly (6);
One second transition heat sink (8) is provided with between described second thermoelectric refrigerating unit (4) and distinguished and admirable heat sink assembly (6), described second thermoelectric refrigerating unit (4) is fitted by heat conducting film or heat conductive silica gel and the second transition heat sink (8), and described second transition heat sink (8) is fitted by heat conducting film or heat conductive silica gel and distinguished and admirable heat sink assembly (6);
Described laser pumping apparatus (2) is provided with one the 3rd transition heat sink (21), described second temperature sensor (20) is fixed in the 3rd transition heat sink (21), is fitted between described 3rd transition heat sink (21) and the second thermoelectric refrigerating unit (4) by heat conducting film or heat conductive silica gel.
7. distinguished and admirable pair as claimed in claim 1 causes constant temperature laser, it is characterized in that, described distinguished and admirable heat sink assembly (6) distinguished and admirablely heat sinkly to be formed by one, this is distinguished and admirable is heat sinkly provided with described cavity, this cavity is provided with described entrance (61) and described outlet (62), described laser head (1) and laser pumping apparatus (2) be all positioned at this distinguished and admirable heat sink on.
8. distinguished and admirable pair as claimed in claim 1 causes constant temperature laser, it is characterized in that, described distinguished and admirable heat sink assembly (6) include at least two distinguished and admirable heat sink, each distinguished and admirable heat sink on be equipped with at least one three-temperature sensor (60), eachly distinguished and admirablely heat sinkly be equipped with cavity, each cavity is equipped with entrance and exit, described laser head (1) and laser pumping apparatus (2) lay respectively at different distinguished and admirable heat sink on, described distinguished and admirable heat sink between be in parallel or series connection, or the connecting mode of parallel connection and serial connection mixing.
9. distinguished and admirable two as described in as arbitrary in claim 1 to 8 cause constant temperature laser, it is characterized in that, are provided with multiple fin (63) in the cavity of described distinguished and admirable heat sink assembly (6).
10. cause a constant temperature method for the distinguished and admirable two of laser, it is characterized in that, the method comprises the steps:
Step S100, complete machine powering, the first temperature sensor (10), the second temperature sensor (20) and three-temperature sensor (60) start collecting temperature data;
Step S101, data processing unit (9) processes the temperature data that the first temperature sensor (10) and the second temperature sensor (20) gather respectively, obtain the temperature that laser head (1) and laser pumping apparatus (2) reflect, and judge, if the temperature of the two is too low, then perform step S102, if the temperature of the two is too high, then perform step S103;
Step S102, air source apparatus (5) exports hot blast, first refrigerator driver module (30) and the second refrigerator driver module (40) regulate the size of current and the sense of current that flow through the first thermoelectric refrigerating unit (3) and the second thermoelectric refrigerating unit (4) respectively simultaneously, laser head (1) and laser pumping apparatus (2) is passed to make high temperature heat, low temperature heat energy is passed to distinguished and admirable heat sink assembly (6), until the temperature of laser head (1) and laser pumping apparatus (2) reaches turn-on temperature, perform step S104 afterwards;
Step S103, air source apparatus (5) exports cold wind, first refrigerator driver module (30) and the second refrigerator driver module (40) regulate the size of current and the sense of current that flow through the first thermoelectric refrigerating unit (3) and the second thermoelectric refrigerating unit (4) respectively simultaneously, laser head (1) and laser pumping apparatus (2) is passed to make low temperature heat energy, high temperature heat is passed to distinguished and admirable heat sink assembly (6), until the temperature of laser head (1) and laser pumping apparatus (2) reaches turn-on temperature, perform step S104 afterwards;
Step S104, the temperature that described data processing unit (9) by the first temperature sensor (10), real-time monitoring laser head (1) is reflected, and flow through the size of current of the first thermoelectric refrigerating unit (3) and the sense of current by adjustment and the temperature of laser head (1) is finely tuned, and the temperature of laser head (1) is locked in preset temperature value, simultaneously, the temperature that described data processing unit (9) by the second temperature sensor (20), real-time monitoring laser pump arrangement (2) is reflected, and flow through the size of current of the second thermoelectric refrigerating unit (4) and the sense of current by adjustment and the temperature of laser pumping apparatus (2) is finely tuned, and the temperature of laser pumping apparatus (2) is locked in preset temperature value.
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| CN105428971B (en) * | 2015-12-14 | 2019-01-08 | 中国工程物理研究院应用电子学研究所 | A kind of laser multi-temperature zone precise temperature control system and its control method |
| CN108563257B (en) * | 2018-03-21 | 2023-12-12 | 杭州标彰电子科技有限公司 | Constant temperature control device of photoelectric device |
| CN109144137A (en) * | 2018-07-27 | 2019-01-04 | 北京量子体系科技股份有限公司 | A kind of temperature control equipment and laser |
| CN110178065A (en) * | 2019-04-11 | 2019-08-27 | 深圳市亚派光电器件有限公司 | Light emission component and preparation method thereof |
| CN110165543B (en) * | 2019-05-23 | 2020-10-09 | 泉州市东艾机械制造有限公司 | Spherical semiconductor laser based on moist heating high temperature cooling |
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Address after: 518000 Shenzhen, Nanshan District science and Technology Park, North District, Long Hill Road, No. two, No. 8, Qing Guang photoelectric building, the Office (305) Patentee after: Innovo laser Polytron Technologies Inc Patentee after: Inno Machining Co., Ltd. Address before: 518000 Shenzhen, Nanshan District science and Technology Park, North District, Long Hill Road, No. two, No. 8, Qing Guang photoelectric building, the Office (305) Patentee before: Shenzhen Inno Laser Technology Co., Ltd. Patentee before: Inno Machining Co., Ltd. |