CN103227411A - Air flow dual-actuating constant temperature laser device and constant temperature method thereof - Google Patents
Air flow dual-actuating constant temperature laser device and constant temperature method thereof Download PDFInfo
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- CN103227411A CN103227411A CN2013101379627A CN201310137962A CN103227411A CN 103227411 A CN103227411 A CN 103227411A CN 2013101379627 A CN2013101379627 A CN 2013101379627A CN 201310137962 A CN201310137962 A CN 201310137962A CN 103227411 A CN103227411 A CN 103227411A
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Abstract
The invention discloses an air flow dual-actuating constant temperature laser device which comprises a laser head, a laser pumping device, at least one first thermoelectric refrigerating device, at least one second thermoelectric refrigerating device, an air source device, an air flow heat sink component and a data processing unit, wherein laser emitted by the laser pumping device is transmitted to the laser head. Under the combined action of the air source device and an air source heat sink, quick tuning on the laser head and the laser pumping device is achieved, so that the laser device has greater temperature control capability; high-precision tuning on temperature of the laser head and the laser pumping device is further performed by combining with the thermoelectric refrigerating devices, so that temperature locking of the laser device is achieved; the temperature control capability and the temperature control precision of the laser device are improved; and the product cost is lowered.
Description
Technical field
The present invention relates to laser thermostat and constant temperature method, relate in particular to a kind of distinguished and admirable two distinguished and admirable two constant temperature methods that cause that cause the constant temperature laser and be used for this laser.
Background technology
The heat energy that semiconductor laser is produced in the course of the work will cause the efficiency of laser to descend, thereby bring a lot of problems such as efficient reduces, the life-span reduces, wherein, the centre wavelength of laser that Laser Devices send is 808nm, centre wavelength for fear of laser is drifted about along with the Laser Devices variation of temperature, so utilize peltier effect that Laser Devices are carried out semiconductor refrigerating usually.In paltie effect, charge carrier moves in conductor and forms electric current, because charge carrier is in different energy levels in different materials, so when it from high level when low-lying level is moved, will discharge unnecessary heat, otherwise, just need absorb heat, promptly show as refrigeration, in the existing electric conducting material from the external world, 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, still, be subjected to the refrigeration of thermoelectric refrigerating unit, the influence of heating capacity is difficult to realize high power semiconductor lasers is carried out thermal tuning.
In order to make high power semiconductor lasers have stronger temperature control capacity, in the prior art, adopt the high accuracy water tank that laser is carried out thermal tuning and locking mostly, the high accuracy water tank is in long-term use, tank inner wall or pipeline form incrustation scale easily, these incrustation scales have a strong impact on the inside and outside heat conduction of water tank and the flow of water, cause the temperature control capacity of high accuracy water tank to descend, and are difficult to realize hair-breadth tuning and locking to laser temperature.Simultaneously, because high accuracy water tank price is high, so this laser also has the high product cost.Therefore in addition, this high accuracy water tank need often change water, also the use of laser is brought inconvenience.
In conjunction with above some as can be seen, existing high power semiconductor lasers, temperature control capacity descended when there be long-term the use in it, the thermal tuning precision reduces, cost is higher and the defective that is not easy to use.
Summary of the invention
The technical problem to be solved in the present invention is, at the deficiencies in the prior art, a kind of distinguished and admirable two cause constant temperature laser and constant temperature methods thereof are provided, this laser need not the high accuracy water tank can realize thermal tuning and locking, avoided influencing the conduction of heat, caused temperature control capacity and accuracy of temperature control, also reduced product cost simultaneously thereby improved the two of laser because of incrustation scale, in addition, this laser has also been avoided changing water to inconvenience that use caused because of the high accuracy water tank.
For solving the problems of the technologies described above, the present invention adopts following technical scheme.
A kind of distinguished and admirable two constant temperature lasers that cause, this laser includes a laser head and a laser pumping device, the laser transmission that described laser pumping device sends is to laser head, described laser also includes at least one first thermoelectric refrigerating unit, at least one second thermoelectric refrigerating unit, one wind regime device, an one distinguished and admirable heat sink assembly and a data processing unit, described first thermoelectric refrigerating unit is located between laser head and the distinguished and admirable heat sink assembly, described second thermoelectric refrigerating unit is located between laser pumping device and the distinguished and admirable heat sink assembly, be provided with cavity in the described distinguished and admirable heat sink assembly, this cavity is provided with an inlet and an outlet, described wind regime device is used to export cold wind or hot blast, and its air outlet links to each other with the inlet of distinguished and admirable heat sink assembly, wherein: described data processing unit is used for the signal of telecommunication of its input is handled, and sends control command according to result; Described laser head is provided with at least one first temperature sensor, described laser pumping device 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 described first temperature sensor, second temperature sensor and three-temperature sensor are respectively applied for its temperature data of gathering is converted to the signal of telecommunication and transfers to data processing unit; Be connected with one first refrigerator driver module between the described data processing unit and first thermoelectric refrigerating unit, the described first refrigerator driver module is used to carry out the control command of data processing unit and regulates the size of current and the sense of current that flows through first thermoelectric refrigerating unit; Be connected with one second refrigerator driver module between the described data processing unit and second thermoelectric refrigerating unit, the described second refrigerator driver module is used to carry out the control command of data processing unit and regulates the size of current and the sense of current that flows through second thermoelectric refrigerating unit; Be connected with a wind regime driver module between described data processing unit and the wind regime device, described wind regime driver module is used to carry out the control command of data processing unit and drives wind regime device output cold wind or hot blast.
Preferably, described wind regime device is a 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 liquid interface of the liquid interface of first heat exchanger and second heat exchanger, the gas interface of first heat exchanger links to each other with the indoor interface of electromagnetism four-way change-over valve, the gas interface of second heat exchanger links to each other with the outdoor interface of electromagnetism four-way change-over valve, compressor is connected between the high voltage interface and low-voltage interface of electromagnetism four-way change-over valve, and cold wind or hot blast that described first heat exchanger is produced are exported by air outlet.
Preferably, described electromagnetism four-way change-over valve and compressor are connected to the wind regime driver module, and described wind regime driver module is carried out the control command of data processing unit and the Driven Compressor running, and send commutation and instruct to the electromagnetism four-way change-over valve.
Preferably, described wind regime device includes wet curtain air-cooler, a fan and an electric heater, and the hot blast that described fan and electric heater produced is exported by air outlet, and the cold wind that perhaps described wet curtain air-cooler is produced is exported by air outlet.
Preferably, described wet curtain air-cooler, fan and electric heater are connected to the wind regime driver module, and described wind regime driver module is carried out the control command of data processing unit and drive fan and electric heater produce hot blast, perhaps drive wet curtain air-cooler and produce cold wind.
Preferably, it is heat sink to be provided with one first transition between described first thermoelectric refrigerating unit and the 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 applying of first transition, and described first transition is heat sink by heat conducting film or heat conductive silica gel and distinguished and admirable heat sink component joint; It is heat sink to be provided with one second transition between described second thermoelectric refrigerating unit and the distinguished and admirable heat sink assembly, described second thermoelectric refrigerating unit is by heat conducting film or heat conductive silica gel and the heat sink applying of second transition, and described second transition is heat sink by heat conducting film or heat conductive silica gel and distinguished and admirable heat sink component joint; It is heat sink that described laser pumping device is provided with one the 3rd transition, described second temperature sensor be fixed in the 3rd transition heat sink on, described the 3rd transition is heat sink and second thermoelectric refrigerating unit between fit by heat conducting film or heat conductive silica gel.
Preferably, described distinguished and admirable heat sink assembly distinguished and admirablely heat sinkly constitutes by one, and this distinguished and admirable heat sink cavity that is provided with, this cavity are provided with an inlet and an outlet, described laser head and laser pumping device all be 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 is distinguished and admirable to be equipped with at least one three-temperature sensor on heat sink, each distinguished and admirable heat sink cavity that is equipped with, each cavity is equipped with entrance and exit, described laser head and laser pumping device lay respectively at different distinguished and admirable heat sink on, described distinguished and admirable be in parallel or series connection between heat sink, the perhaps connecting mode that mixes of parallel connection and serial connection.
Preferably, be provided with a plurality of fin in the cavity of described distinguished and admirable heat sink assembly.
A kind of distinguished and admirable pair of being used for laser causes constant temperature method, and this method comprises the steps: step S100, complete machine powering, and first temperature sensor, second temperature sensor and three-temperature sensor begin the collecting temperature data; Step S101, data processing unit is handled the temperature data that first temperature sensor and second temperature sensor are gathered respectively, obtain the temperature that laser head and laser pumping device are reflected, and judge, if the temperature of the two is low excessively, then execution in step S102 is too high as if the temperature of the two, then execution in step S103; Step S102, wind regime device output hot blast, the first refrigerator driver module and the second refrigerator driver module are regulated the size of current and the sense of current that flows through first thermoelectric refrigerating unit and second thermoelectric refrigerating unit respectively simultaneously, to make high temperature heat be passed to laser head and laser pumping device, low temperature heat energy is passed to distinguished and admirable heat sink assembly, temperature until laser head and laser pumping device reaches turn-on temperature, afterwards execution in step S104; Step S103, wind regime device output cold wind, the first refrigerator driver module and the second refrigerator driver module are regulated the size of current and the sense of current that flows through first thermoelectric refrigerating unit and second thermoelectric refrigerating unit respectively simultaneously, to make low temperature heat energy be passed to laser head and laser pumping device, high temperature heat is passed to distinguished and admirable heat sink assembly, temperature until laser head and laser pumping device reaches turn-on temperature, afterwards execution in step S104; Step S104, the temperature that described data processing unit is reflected on the real-time monitoring laser head by first temperature sensor, and flow through the size of current of first thermoelectric refrigerating unit and the sense of current by adjusting 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 is reflected on the real-time monitoring laser pump arrangement by second temperature sensor, and flow through the size of current of second thermoelectric refrigerating unit and the sense of current by adjusting and the temperature of laser pumping device is finely tuned, and the temperature of laser pumping device is locked in preset temperature value.
Distinguished and admirable two cause constant temperature laser and constant temperature methods thereof disclosed by the invention, its beneficial effect is, acting in conjunction by wind regime device and distinguished and admirable heat sink assembly, realized fast temperature tuning to laser head and laser pumping device, make it have bigger temperature control capability, wherein, because the temperature of distinguished and admirable heat sink assembly is controlled, and this temperature can be that high temperature can be low temperature also under the control of data processing unit, so realized two thermal tunings that cause.On this basis, further the temperature of laser head and laser pumping device is carried out hair-breadth tuning in conjunction with thermoelectric refrigerating unit again, thereby realized temperature locking laser.Therefore, the present invention need not the high accuracy water tank can realize thermal tuning, avoided the incrustation scale influence that conduction is caused to heat, thereby the two temperature control capacity and accuracy of temperature control of causing of laser have been improved, also reduced product cost simultaneously, in addition, this laser has also been avoided changing water to inconvenience that use caused because of the high accuracy water tank.
Description of drawings
Distinguished and admirable two side sectional views that cause the constant temperature laser that Fig. 1 proposes for the present invention.
Fig. 2 is distinguished and admirable two circuit block diagrams that cause the constant temperature laser shown in Figure 1.
Structural representation when Fig. 3 is a wind regime device output cold wind in the first embodiment of the invention.
Structural representation when Fig. 4 is a wind regime device output hot blast in the first embodiment of the invention.
Fig. 5 is the circuit block diagram of first embodiment of the invention.
Structural representation when Fig. 6 is a wind regime device output cold wind in the second embodiment of the invention.
Structural representation when Fig. 7 is a wind regime device output hot blast in the 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 done more detailed description.
The present invention proposes a kind of distinguished and admirable two constant temperature lasers that cause, in conjunction with Figure 1 and Figure 2, this laser includes a laser head 1 and a laser pumping device 2, the laser transmission that described laser pumping device 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 wind regime device 5, an 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 the distinguished and admirable heat sink assembly 6, described second thermoelectric refrigerating unit 4 is located between laser pumping device 2 and the distinguished and admirable heat sink assembly 6, be provided with a cavity in the described distinguished and admirable heat sink assembly 6, this cavity is provided with an inlet 61 and one outlet 62, described wind regime device 5 is used to export cold wind or hot blast, and its air outlet 51 links to each other with the inlet 61 of distinguished and admirable heat sink assembly 6, wherein: described data processing unit 9 is used for the signal of telecommunication of its input is handled, and sends control command according to result; Described laser head 1 is provided with at least one first temperature sensor 10, described laser pumping device 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 described first temperature sensor 10, second temperature sensor 20 and three-temperature sensor 60 are respectively applied for its temperature data of gathering is converted to the signal of telecommunication and transfers to data processing unit 9; Be connected with one first refrigerator driver module 30 between the described data processing unit 9 and first thermoelectric refrigerating unit 3, the described first refrigerator driver module 30 is used to carry out the control command of data processing unit 9 and regulates the size of current and the sense of current that flows through first thermoelectric refrigerating unit 3; Be connected with one second refrigerator driver module 40 between the described data processing unit 9 and second thermoelectric refrigerating unit 4, the described second refrigerator driver module 40 is used to carry out the control command of data processing unit 9 and regulates the size of current and the sense of current that flows through second thermoelectric refrigerating unit 4; Be connected with a wind regime driver module 50 between described data processing unit 9 and the wind regime device 5, described wind regime driver module 50 is used to carry out the control command of data processing unit 9 and drives wind regime device 5 output cold wind or hot blasts.
In the above-mentioned laser, behind the complete machine powering, first temperature sensor 10, second temperature sensor 20 and three-temperature sensor 60 beginning collecting temperature data.Laser is in start process, when the temperature that is reflected on laser head 1 and the laser pumping device 2 is crossed when low, first temperature sensor 10 and second temperature sensor 20 feed back to data processing unit 9 with its temperature data of gathering respectively, 9 pairs of these temperature datas of data processing unit are handled, and pass through wind regime driver module 50 driving wind regime devices 5 output hot blasts to distinguished and admirable heat sink assembly 6, make the temperature of distinguished and admirable heat sink assembly 6 raise, simultaneously, data processing unit 9 is regulated the size of current and the sense of current that flows through first thermoelectric refrigerating unit 3 and second thermoelectric refrigerating unit 4 respectively by the first refrigerator driver module 30 and the second refrigerator driver module 40, make two thermoelectric refrigerating unit respectively high temperature heat is passed to laser head 1 and laser pumping device 2, and respectively low temperature heat energy is passed to distinguished and admirable heat sink assembly 6, the temperature that is reflected on laser head 1 and laser pumping device 2 reaches the requirement of laser start.Laser is in start process, when the temperature that is reflected on laser head 1 and the laser pumping device 2 is too high, first temperature sensor 10 and second temperature sensor 20 feed back to data processing unit 9 with its temperature data of gathering respectively, 9 pairs of these temperature datas of data processing unit are handled, and pass through wind regime driver module 50 driving wind regime devices 5 output cold wind to distinguished and admirable heat sink assembly 6, make the temperature of distinguished and admirable heat sink assembly 6 reduce, simultaneously, data processing unit 9 is regulated the size of current and the sense of current that flows through first thermoelectric refrigerating unit 3 and second thermoelectric refrigerating unit 4 respectively by the first refrigerator driver module 30 and the second refrigerator driver module 40, make two thermoelectric refrigerating unit respectively to laser head 1 and laser pumping device 2 refrigeration, two heat transferred that thermoelectric refrigerating unit produced are to distinguished and admirable heat sink assembly 6, and the cold wind that flows through in the cavity by distinguished and admirable heat sink assembly 6 is lowered the temperature to two thermoelectric refrigerating unit, constantly, the temperature that is reflected on laser head 1 and laser pumping device 2 reaches the requirement of laser start.Wherein, under the acting in conjunction of two thermoelectric refrigerating unit, wind regime device 5 and distinguished and admirable heat sink assembly 6, solved too highly or cross when low when operating ambient temperature, the problem that laser is difficult to start shooting makes laser can enter operating state smoothly.
This laser in the course of the work, the temperature that data processing unit 9 is reflected on monitoring laser head 1 and the laser pumping device 2 by first temperature sensor 10 and second temperature sensor 20 and in real time, and by first thermoelectric refrigerating unit 3 and second thermoelectric refrigerating unit 4 and respectively the temperature of laser head 1 and laser pumping device 2 is carried out hair-breadth tuning, thereby realize the temperature stability and the tunability of laser, simultaneously, described data processing unit 9 is monitored the temperature of distinguished and admirable heat sink assembly 6 in real time by three-temperature sensor 60, and control by 50 pairs of wind regime devices 5 of wind regime driver module, regulate distinguished and admirable temperature and the flow of wind regime device 5 outputs, have higher refrigeration and heating capacity to make distinguished and admirable heat sink assembly 6.Wherein, because the temperature of distinguished and admirable heat sink assembly 6 is controlled, and this temperature can be that high temperature also can be low temperature under the control of data processing unit 9, so realized utilizing distinguished and admirable carry out cold wind or the two thermal tunings that cause of hot blast, further the temperature of laser head 1 and laser pumping device 2 is carried out hair-breadth tuning 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 constitutes by one, and this distinguished and admirable heat sink cavity that is provided with, this cavity are provided with an inlet and an outlet, described laser head 1 and laser pumping device 2 all be 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 is distinguished and admirable to be equipped with at least one three-temperature sensor 60 on heat sink, each distinguished and admirable heat sink cavity that is equipped with, each cavity is equipped with entrance and exit, described laser head 1 and laser pumping device 2 lay respectively at two distinguished and admirable heat sink on, two are distinguished and admirable heat sink parallel with one another or constitute distinguished and admirable heat sink assembly 6 after the series connection successively.
As another optimal way, described distinguished and admirable heat sink assembly 6 includes a plurality of distinguished and admirable heat sink, each is distinguished and admirable to be equipped with at least one three-temperature sensor 60 on heat sink, each distinguished and admirable heat sink cavity that is equipped with, each cavity is equipped with entrance and exit, described laser head 1 and laser pumping device 2 lay respectively at different distinguished and admirable heat sink on, a plurality of distinguished and admirable be in parallel or series connection between heat sink, the perhaps connecting mode that mixes of parallel connection and serial connection.
In order to set forth the composition structure of wind regime device 5 better, the present invention proposes following two embodiment:
Embodiment 1:
In conjunction with Fig. 1, Fig. 3, Fig. 4 and shown in Figure 5, described wind regime device 5 is a 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 liquid interface of the liquid interface of first heat exchanger 52 and second heat exchanger 53, the gas interface of first heat exchanger 52 links to each other with the indoor interface of electromagnetism four-way change-over valve 54, the gas interface of second heat exchanger 53 links to each other with the outdoor interface of electromagnetism four-way change-over valve 54, compressor 55 is connected between the high voltage interface and low-voltage interface of electromagnetism four-way change-over valve 54, and cold wind that described first heat exchanger 52 is produced or hot blast are by air outlet 51 outputs.
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 is carried out the control command of data processing units 9 and Driven Compressor 55 runnings, and send commutation and instruct to electromagnetism four-way change-over valve 54.
Wherein, when wind regime device 5 needs output cold wind, electric operation on wind regime driver module 50 Driven Compressor 55, send the commutation instruction to electromagnetism four-way change-over valve 54 simultaneously, the low-pressure low-temperature air-flow that the heat exchanger 52 of winning is produced transfers to second heat exchanger 53 by electromagnetism four-way change-over valve 54 and compressor 55 successively, at this moment, second heat exchanger 53 is a condenser, and first heat exchanger 52 transfers to distinguished and admirable heat sink assembly 6 for the cold wind that evaporator and its produced by air outlet 51; When wind regime device 5 needs the output hot blast, electric operation on wind regime driver module 50 Driven Compressor 55, send the commutation instruction to electromagnetism four-way change-over valve 54 simultaneously, the high pressure-temperature air-flow that makes second heat exchanger 53 produce transfers to first heat exchanger 52 by electromagnetism four-way change-over valve 54 and compressor 55 successively, at this moment, second heat exchanger 53 is an evaporator, and first heat exchanger 52 transfers to distinguished and admirable heat sink assembly 6 for the hot blast that condenser and its produced by air outlet 51.Thereby realized output cold wind or hot blast, the wind regime device 5 of this structure it is advantageous that the controllability of the cold wind exported and hot blast is good, and refrigeration and heating efficiency are higher.
Embodiment 2:
In conjunction with Fig. 1, Fig. 6, Fig. 7 and shown in Figure 8, described wind regime device 5 includes wet curtain air-cooler 57, a fan 58 and an electric heater 59, described fan 58 is exported by air outlet 51 with the hot blast that electric heater 59 is produced, and the cold wind that perhaps described wet curtain air-cooler 57 is produced is by air outlet 51 outputs.
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 is carried out the control command of data processing units 9 and drive fan 58 and electric heater 59 produce hot blasts, perhaps drives wet curtain air-cooler 57 and produces 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 the electromagnetic heater, but in other embodiments of the invention, described electric heater 59 can also be the heater of other types.
Wherein, when wind regime device 5 needs output cold wind, wind regime driver module 50 sends control signal and is closed condition to make electric heater 59 and fan 58, work on power with the curtain air-cooler 57 that wets season, and press the cold wind that control command is exported preset strength and preset temperature, make cold wind transfer to distinguished and admirable heat sink assembly 6 by air outlet 51.When wind regime device 5 needs the output hot blast, wind regime driver module 50 sends control signal and is closed condition to make wet curtain air-cooler 57, 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 the practical application, can further regulate the temperature of the hot blast of wind regime device 5 outputs by the temperature of control rotating speed of fan 58 or electric heater 59.The wind regime device 5 of this structure it is advantageous that simple in structurely, with low cost, is easy to mass production.
Should be noted that above-mentioned two embodiment are preferred embodiment of the present invention, be not limited to the present invention, in other embodiments of the invention, described wind regime device 5 can also be the device of other exportable cold wind and hot blast.
As shown in Figure 1, be provided with one first transition heat sink 7 between described first thermoelectric refrigerating unit 3 and the distinguished and admirable heat sink assembly 6, described first thermoelectric refrigerating unit 3 is by heat conducting film or heat conductive silica gel and heat sink 7 applyings of first transition, and described first transition heat sink 7 is by heat conducting film or heat conductive silica gel and 6 applyings of distinguished and admirable heat sink assembly.Be provided with one second transition heat sink 8 between described second thermoelectric refrigerating unit 4 and the distinguished and admirable heat sink assembly 6, described second thermoelectric refrigerating unit 4 is by heat conducting film or heat conductive silica gel and heat sink 8 applyings of second transition, and described second transition heat sink 8 is by heat conducting film or heat conductive silica gel and 6 applyings of distinguished and admirable heat sink assembly.Described laser pumping device 2 is provided with that one the 3rd transition is heat sink 21, and described second temperature sensor 20 is fixed in the 3rd transition heat sink 21, fits by heat conducting film or heat conductive silica gel between described the 3rd transition heat sink 21 and second thermoelectric refrigerating unit 4.Be provided with a plurality of fin 63 in the cavity of described distinguished and admirable heat sink assembly 6, can further strengthen the heat-exchange capacity of hot blast in distinguished and admirable heat sink assembly 6 and the cavity or cold wind, make heat effectively to conduct by fin 63.
In order better the present invention to be combined with practical application, the present invention also discloses a kind of distinguished and admirable pair of being used for laser and causes constant temperature method, and in conjunction with Figure 1 and Figure 2, this method comprises the steps:
Step S100, complete machine powering, first temperature sensor 10, second temperature sensor 20 and three-temperature sensor 60 beginning collecting temperature data;
Step S101, data processing unit 9 is handled the temperature data that first temperature sensor 10 and second temperature sensor 20 are gathered respectively, obtain the temperature that laser head 1 and laser pumping device 2 are reflected, and judge, if the temperature of the two is low excessively, then execution in step S102 is too high as if the temperature of the two, then execution in step S103;
Step S102, wind regime device 5 output hot blasts, the first refrigerator driver module 30 and the second refrigerator driver module 40 are regulated the size of current and the sense of current that flows through first thermoelectric refrigerating unit 3 and second thermoelectric refrigerating unit 4 respectively simultaneously, to make high temperature heat be passed to laser head 1 and laser pumping device 2, low temperature heat energy is passed to distinguished and admirable heat sink assembly 6, temperature until laser head 1 and laser pumping device 2 reaches turn-on temperature, afterwards execution in step S104;
Step S103, wind regime device 5 output cold wind, the first refrigerator driver module 30 and the second refrigerator driver module 40 are regulated the size of current and the sense of current that flows through first thermoelectric refrigerating unit 3 and second thermoelectric refrigerating unit 4 respectively simultaneously, to make low temperature heat energy be passed to laser head 1 and laser pumping device 2, high temperature heat is passed to distinguished and admirable heat sink assembly 6, temperature until laser head 1 and laser pumping device 2 reaches turn-on temperature, afterwards execution in step S104;
Step S104, the temperature that described data processing unit 9 is reflected on the real-time monitoring laser head 1 by first temperature sensor 10, and flow through the size of current of first thermoelectric refrigerating unit 3 and the sense of current by adjusting 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 is reflected on the real-time monitoring laser pump arrangement 2 by second temperature sensor 20, and flow through the size of current of second thermoelectric refrigerating unit 4 and the sense of current by adjusting and the temperature of laser pumping device 2 is finely tuned, and the temperature of laser pumping device 2 is locked in preset temperature value.
Distinguished and admirable two causing in constant temperature laser and the constant temperature method thereof disclosed by the invention, acting in conjunction by wind regime device 5 and distinguished and admirable heat sink assembly 6, realized fast temperature tuning to laser head 1 and laser pumping device 2, make it have bigger temperature control capability, wherein, because the temperature of distinguished and admirable heat sink assembly 6 is controlled, and this temperature can be that high temperature also can be low temperature under the control of data processing unit 9, so that has realized cold wind or hot blast two causes thermal tuning, should be noted that at this, high temperature of being mentioned in the 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 wind regime device 5 and distinguished and admirable heat sink assembly 6, further the temperature of laser head 1 and laser pumping device 2 is carried out hair-breadth tuning in conjunction with thermoelectric refrigerating unit again, thereby realized temperature locking laser.The present invention compared to existing technologies, need not the high accuracy water tank and can realize thermal tuning, avoided the incrustation scale influence that conduction is caused to heat, thereby improved the temperature control capacity and the accuracy of temperature control of laser, also reduced product cost simultaneously, in addition, under the acting in conjunction of two thermoelectric refrigerating unit, wind regime device 5 and distinguished and admirable heat sink assembly 6, solved too highly or cross when low when operating ambient temperature, the problem that laser is difficult to start shooting makes laser can enter operating state smoothly.Comprehensive above-mentioned some as can be seen, the present invention has obtained bigger progress in laser temperature control technology field, is adapted at applying in this area, and has vast market prospect.
The above is a preferred embodiment of the present invention, is not limited to the present invention, all modifications of being made in technical scope of the present invention, is equal to and replaces or improvement etc., all should be included in the scope that the present invention protects.
Claims (10)
1. one kind distinguished and admirable pair causes the constant temperature lasers, this laser includes a laser head (1) and a laser pumping device (2), the laser transmission that described laser pumping device (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 wind regime device (5), an 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 the distinguished and admirable heat sink assembly (6), described second thermoelectric refrigerating unit (4) is located between laser pumping device (2) and the distinguished and admirable heat sink assembly (6), be provided with cavity in the described distinguished and admirable heat sink assembly (6), this cavity is provided with an inlet (61) and an outlet (62), described wind regime device (5) is used to export cold wind or hot blast, and its air outlet (51) links to each other with the inlet (61) of distinguished and admirable heat sink assembly (6), wherein:
Described data processing unit (9) is used for the signal of telecommunication of its input is handled, and sends control command according to result;
Described laser head (1) is provided with at least one first temperature sensor (10), described laser pumping device (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 described first temperature sensor (10), second temperature sensor (20) and three-temperature sensor (60) are respectively applied for and its temperature data of gathering are converted to the signal of telecommunication and transfer to data processing unit (9);
Be connected with one first refrigerator driver module (30) between described data processing unit (9) and first thermoelectric refrigerating unit (3), the described first refrigerator driver module (30) is used to carry out the control command of data processing unit (9) and regulates the size of current and the sense of current that flows through first thermoelectric refrigerating unit (3);
Be connected with one second refrigerator driver module (40) between described data processing unit (9) and second thermoelectric refrigerating unit (4), the described second refrigerator driver module (40) is used to carry out the control command of data processing unit (9) and regulates the size of current and the sense of current that flows through second thermoelectric refrigerating unit (4);
Be connected with a wind regime driver module (50) between described data processing unit (9) and the wind regime device (5), described wind regime driver module (50) is used to carry out the control command of data processing unit (9) and drives wind regime device (5) output cold wind or hot blast.
2. distinguished and admirable two constant temperature lasers that cause as claimed in claim 1, it is characterized in that, described wind regime device (5) is a 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 liquid interface of the liquid interface of first heat exchanger (52) and second heat exchanger (53), the gas interface of first heat exchanger (52) links to each other with the indoor interface of electromagnetism four-way change-over valve (54), the gas interface of second heat exchanger (53) links to each other with the outdoor interface of electromagnetism four-way change-over valve (54), compressor (55) is connected between the high voltage interface and low-voltage interface of electromagnetism four-way change-over valve (54), and cold wind that described first heat exchanger (52) is produced or hot blast are by air outlet (51) output.
3. distinguished and admirable two constant temperature lasers that cause as claimed in claim 2, 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) is carried out the control command of data processing unit (9) and Driven Compressor (55) running, and sends commutation and instruct to electromagnetism four-way change-over valve (54).
4. distinguished and admirable two constant temperature lasers that cause as claimed in claim 1, it is characterized in that, described wind regime device (5) includes wet curtain air-cooler (57), a fan (58) and an electric heater (59), described fan (58) is exported by air outlet (51) with the hot blast that electric heater (59) is produced, and the cold wind that perhaps described wet curtain air-cooler (57) is produced is by air outlet (51) output.
5. distinguished and admirable two constant temperature lasers that cause as claimed in claim 4, 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) is carried out the control command of data processing unit (9) and drive fan (58) and electric heater (59) produce hot blast, perhaps drives wet curtain air-cooler (57) generation cold wind.
6. distinguished and admirable two constant temperature lasers that cause as claimed in claim 1, it is characterized in that, be provided with one first transition heat sink (7) between described first thermoelectric refrigerating unit (3) and the distinguished and admirable heat sink assembly (6), described first thermoelectric refrigerating unit (3) is by heat conducting film or heat conductive silica gel and first transition heat sink (7) applying, and described first transition heat sink (7) is by heat conducting film or heat conductive silica gel and distinguished and admirable heat sink assembly (6) applying;
Be provided with one second transition heat sink (8) between described second thermoelectric refrigerating unit (4) and the distinguished and admirable heat sink assembly (6), described second thermoelectric refrigerating unit (4) is by heat conducting film or heat conductive silica gel and second transition heat sink (8) applying, and described second transition heat sink (8) is by heat conducting film or heat conductive silica gel and distinguished and admirable heat sink assembly (6) applying;
Described laser pumping device (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), fits by heat conducting film or heat conductive silica gel between described the 3rd transition heat sink (21) and second thermoelectric refrigerating unit (4).
7. distinguished and admirable two constant temperature lasers that cause as claimed in claim 1, it is characterized in that, described distinguished and admirable heat sink assembly (6) distinguished and admirablely heat sinkly constitutes by one, this distinguished and admirable heat sink cavity that is provided with, this cavity be provided with one the inlet and an outlet, described laser head (1) and laser pumping device (2) all be positioned at this distinguished and admirable heat sink on.
8. distinguished and admirable two constant temperature lasers that cause as claimed in claim 1, it is characterized in that, described distinguished and admirable heat sink assembly (6) include at least two distinguished and admirable heat sink, each is distinguished and admirable to be equipped with at least one three-temperature sensor (60) on heat sink, each distinguished and admirable heat sink cavity that is equipped with, each cavity is equipped with entrance and exit, described laser head (1) and laser pumping device (2) lay respectively at different distinguished and admirable heat sink on, described distinguished and admirable be in parallel between heat sink or series connection, the perhaps connecting mode that mixes of parallel connection and serial connection.
9. cause the constant temperature laser as arbitrary described distinguished and admirable pair of claim 1 to 8, it is characterized in that, be provided with a plurality of fin (63) in the cavity of described distinguished and admirable heat sink assembly (6).
10. distinguished and admirable a pair of being used for laser causes constant temperature method, it is characterized in that this method comprises the steps:
Step S100, complete machine powering, first temperature sensor (10), second temperature sensor (20) and three-temperature sensor (60) beginning collecting temperature data;
Step S101, data processing unit (9) is handled the temperature data that first temperature sensor (10) and second temperature sensor (20) are gathered respectively, obtain the temperature that laser head (1) and laser pumping device (2) are reflected, and judge, if the temperature of the two is low excessively, then execution in step S102 is too high as if the temperature of the two, then execution in step S103;
Step S102, wind regime device (5) output hot blast, the first refrigerator driver module (30) and the second refrigerator driver module (40) are regulated the size of current and the sense of current that flows through first thermoelectric refrigerating unit (3) and second thermoelectric refrigerating unit (4) respectively simultaneously, to make high temperature heat be passed to laser head (1) and laser pumping device (2), low temperature heat energy is passed to distinguished and admirable heat sink assembly (6), temperature until laser head (1) and laser pumping device (2) reaches turn-on temperature, afterwards execution in step S104;
Step S103, wind regime device (5) output cold wind, the first refrigerator driver module (30) and the second refrigerator driver module (40) are regulated the size of current and the sense of current that flows through first thermoelectric refrigerating unit (3) and second thermoelectric refrigerating unit (4) respectively simultaneously, to make low temperature heat energy be passed to laser head (1) and laser pumping device (2), high temperature heat is passed to distinguished and admirable heat sink assembly (6), temperature until laser head (1) and laser pumping device (2) reaches turn-on temperature, afterwards execution in step S104;
Step S104, the temperature that described data processing unit (9) is reflected on the real-time monitoring laser head (1) by first temperature sensor (10), and flow through the size of current of first thermoelectric refrigerating unit (3) and the sense of current by adjusting 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) is reflected on the real-time monitoring laser pump arrangement (2) by second temperature sensor (20), and flow through the size of current of second thermoelectric refrigerating unit (4) and the sense of current by adjusting and the temperature of laser pumping device (2) is finely tuned, and the temperature of laser pumping device (2) is locked in preset temperature value.
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| CN103227411B (en) | 2015-08-19 |
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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. |
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