A kind of high-purity semiconductor laser water cooling plant
Technical field
The present invention relates to a kind of semiconductor laser, particularly relate to a kind of high-purity semiconductor laser water cooling plant.This high-purity semiconductor laser water cooling plant have high-purity filter, fast ion cleaning, blowback air water return loop and with the function of upper machine communication and control, be applied in semiconductor laser water-cooling system.
Background technology
In semiconductor laser, water-cooling system is absolutely necessary and for semiconductor stack, carries out the device of cooling.But current semiconductor laser is all to adopt conventional water-cooling control device, and conventional water-cooling control device only possesses simple filtration and basic temperature control device.Semiconductor laser is a kind of to the exigent equipment of cooling water, and the quality of its cooling water will directly affect its useful life.At present, on market, not yet there is the Special water cooling system of developing for semiconductor laser specially.And the water-cooling system of selling on market all can not meet semiconductor laser for the needs of water-cooling system, the following problem of ubiquity.
The first, filtering accuracy is lower, cannot meet water route, the microchannel design that semiconductor laser adopts, and meeting is because of the excessive microchannel of stopping up of particle in water, thus the life-span that causes semiconductor laser.
Second, conventional water-cooling system lacks the control to cooling water conductivity, semiconductor laser has strict requirement to cooling electrical conductivity of water, can not be too low also can not be too high, even cannot accomplish the control to conductivity therefore conventional water-cooling system has also to the detection of conductivity, when it is used, to the replacing of water and frequent, to user, use and brought many troubles, and conductivity is too high, will have the fatal damage that necessarily may cause semiconductor laser.
The 3rd, current water-cooling system does not possess reverse air blowing water return function, has brought a lot of unnecessary troubles to a certain extent to user.
For this reason, people urgently wish to have a kind of water cooling plant that can be good at, is applicable to very easily semiconductor laser, can have high filtering precision, quick ion cleaning, blowback air backwater and standardized electrical control interface.
Summary of the invention
The object of the invention is to solve the problem existing in semiconductor laser water cooling plant in the market, a kind of water cooling plant of reliable, multi-functional, the high-purity semiconductor laser with applicability is provided.This water cooling plant uses multiloop to control design, by the control to electric components such as electromagnetically operated valve, flowmeter, temperature sensor, pressure sensors, realized the water-cooling system that a kind of high precision closed loop with high-precision filtration, rapid water ion cleaning, blowback air backwater, real-time discharge and monitoring temperature is controlled.
The technical solution used in the present invention is.
This high-purity semiconductor laser water cooling plant, includes electromagnetically operated valve, water filter, resin filter, flow thermometer, gas delivery system, and its structural feature is.
Conductivity meter 17 is arranged on water tank 1, water tank 1 is connected with the input of water pump 2, the output of water pump 2 connects respectively the first electromagnetically operated valve 3 and water filter 5 by threeway, the high accuracy PP filter core that folds is housed in water filter 5, the first electromagnetically operated valve 3 is connected with resin filter 4, and connect recovery tank 1 through resin filter 4, the spare interface that is connecting laser as water filter 5 outputs of the coolant outlet 6 of water cooling plant, the cooling water of flowing through laser returns the starting point of water tank via the entrance 7 of water cooling plant as cooling water, the entrance 7 of water cooling plant connects respectively the second electromagnetically operated valve 10 and flow thermometer 8 by threeway, by the 3rd electromagnetically operated valve 9, get back to water tank, unidirectional valve 11 is connected with the second electromagnetically operated valve 10, interface as blowback air backwater.
Described gas delivery system is comprised of electromagnetically operated valve, oil mist separator, pressure sensor, unidirectional valve and gas shunt device, gas delivery system entrance 16 communicates with gas shunt device 12 by super oil mist separator 15, gas shunt device 12 communicates with the 4th electromagnetically operated valve 14 and pressure sensor 1 respectively by pipeline, and coolant outlet 6, filter 5, water pump 2 and the water tank 1 of the entrance 7 of gas shunt device 12 by unidirectional valve 11, the second electromagnetically operated valve 10, water cooling plant, laser, water cooling plant communicate.During work, the 4th electromagnetically operated valve 14(is normally closed) close, pressure sensor 13 starts to detect gas pressure, when pressure arrives reservation value, the second electromagnetically operated valve 10(is normally closed) open, the 3rd electromagnetically operated valve 9(often opens) to close, gas blows back water tank 1 through super oil mist separator 15, gas circuit segmenting device 12, unidirectional valve 11, the second electromagnetically operated valve 10, the entrance 7 of water cooling plant, laser, the coolant outlet 6 of water cooling plant, filter 5, water pump 2 by cooling water via air transporting arrangement entrance 16.
Above-mentioned electromagnetically operated valve, water filter, conductivity meter, resin filter, flow thermometer in the main miscellaneous function of water cooling plant are.
Water filter is impurity in filtered water in water cooling plant, and filter core has been selected the PP filter core that folds, and more traditional cotton string filter element has higher useful life, lower water resistance and the filtering accuracy of Geng Gao.
Conductivity meter, resin filter are in order to remove the zwitterion comprising in cooling water, to reach the object of ion cleaning in water cooling plant.
Flow thermometer is that the flow of cooling water and temperature are carried out to real-time detection, to guarantee the normal operation of a whole set of water cooling plant.
Described gas delivery system is comprised of electromagnetically operated valve, oil mist separator, pressure sensor, unidirectional valve and gas circuit dispenser.This device can provide the pure gas of high-purity for laser processing, simultaneously, the control unit forming via electromagnetically operated valve, pressure sensor and unidirectional valve can provide for above-mentioned water cooling plant the function of reverse air blowing backwater, cooling water residual in watering equipment can be blown back in water tank.
Above-mentioned system provides comprehensive electric interfaces, can according to corresponding logical relation, control by host computer.And native system can change the trend in water route, bore accordingly according to the requirement of laser.The all metal partss of native system have all adopted food stage 316L stainless steel material, and connecting line has selected high-quality pvc pipe fitting to carry out the interface channel between each parts.Thereby guaranteed the operation reliably and with long-term of system.
High-purity semiconductor laser water cooling plant key work.
During system works, water pump is inputted semiconductor laser via filter by cooling water by the cooling water after ion cleaning, and flowing through laser turns back to and in water tank, completes circulation by flow thermometer.When needs are dismantled laser, by gas delivery system, be responsible for the reverse water tank that blows back of cooling water residual in laser to facilitate the storage of laser.Whole device is controlled by host computer, and all control points are all undertaken by the logic designing, to guarantee the stable operation of device.
Compared with prior art, the invention has the beneficial effects as follows.
(1) this water cooling plant has good adaptability, can be integrated in any laser water cooling plant.
(2) adopt high accuracy PP foldable filter element, more than filtering accuracy can reach 1um, make the granularity in water be less than 10 of every square meters guaranteeing that its flow is impregnable, and particle maximum gauge is not more than 0.5um simultaneously.
(3) adopt high-purity polishing resin, utilize solenoid control to divide water loop, can be at short notice by conductivity the deionization electrical conductivity of water below 20 be down to 1um.
(4) this device has designed exquisite waterway circulating design, has possessed reverse air blowing water return function, can, by the water blowback recovery tank in watering equipment, facilitate the dismounting of watering equipment.
(5) this device has adopted the electric interfaces design of international standard, can embed easily various host computer dispatch control systems.
Accompanying drawing explanation
Fig. 1 is equipment connection schematic diagram of the present invention.
Mark in figure: 1. water tank, 2. water pump, 3. the first electromagnetically operated valve, 4. resin filter, 5. water filter, the 6. coolant outlet of water cooling plant, 7. the entrance of water cooling plant, 8. flow thermometer, 9. the 3rd electromagnetically operated valve, 10. the second electromagnetically operated valve, 11. unidirectional valves, 12. gas shunt devices, 13. pressure sensors, 14. the 4th electromagnetically operated valves, 15. surpass oil mist separator, 16. gas delivery system entrances, 17. conductivity meters.
Embodiment
Embodiment.
High-purity semiconductor laser water cooling plant comprises electromagnetically operated valve, water filter, resin filter, flow thermometer, gas delivery system, conductivity meter 17 is wherein housed on water tank 1, the input of water pump 2 is connected with water tank, its output connecting tee connects respectively the first electromagnetically operated valve 3 and water filter 5, the high accuracy PP filter core that folds is housed in water filter 5, the first electromagnetically operated valve 3 is connected with resin filter 4, through resin filter 4 water tank 1 that is linked back, the output of water filter 5 is connecting laser spare interface as the coolant outlet 6 of water cooling plant, the cooling water of flowing through laser returns the starting point of water tank 1 via the entrance 7 of water cooling plant as cooling water, the entrance 7 of water cooling plant is connected to and in threeway, connects respectively the second electromagnetically operated valve 10 and flow thermometer 8, by the 3rd electromagnetically operated valve 9, get back to water tank, unidirectional valve 11 is connected with the second electromagnetically operated valve 10, it is the interface for blowback air backwater.
Described gas delivery system is comprised of electromagnetically operated valve, oil mist separator, pressure sensor, unidirectional valve and gas shunt device, gas delivery system entrance 16 communicates with gas shunt device 12 by super oil mist separator 15, gas shunt device 12 communicates with the 4th electromagnetically operated valve 14 and pressure sensor 1 respectively by pipeline, and coolant outlet 6, filter 5, water pump 2 and the water tank 1 of the entrance 7 of gas shunt device 12 by unidirectional valve 11, the second electromagnetically operated valve 10, water cooling plant, laser, water cooling plant communicate.
Working method.
Before device work, can first there is conductivity meter 17 to detect cooling electrical conductivity of water in water tank 1, as conductivity surpasses preset value, the first electromagnetically operated valve 3(is normally closed) open, the 3rd electromagnetically operated valve 9(often opens) close, cooling water is got back to water tank 1 by the first electromagnetically operated valve 3 via resin filter 4 and is started circulation, until the cooling electrical conductivity of water in water tank 1 is down to after preset value, the first electromagnetically operated valve 3(is normally closed) close, the 3rd electromagnetically operated valve 9(often opens) open, cooling water is through water pump 2 filter 5 of flowing through, water cooling plant coolant outlet 6, the entrance 7 of water cooling plant, flow thermometer 8, the 3rd electromagnetically operated valve 9 is got back to water tank, start normal cool cycles.
When water cooling plant need to be cleared up cooling water residual in laser, the 4th electromagnetically operated valve 14(is normally closed) close, pressure sensor 13 starts to detect gas pressure, when pressure arrives reservation value, the second electromagnetically operated valve 10(is normally closed) open, the 3rd electromagnetically operated valve 9(often opens) to close, gas blows back water tank 1 through super oil mist separator 15, gas shunt device 12, unidirectional valve 11, the second electromagnetically operated valve 10, the entrance 7 of water cooling plant, laser, the coolant outlet 6 of water cooling plant, filter 5, water pump 2 by cooling water via gas delivery system entrance 16.