CN105061641A - Intelligent-controll ultraviolet LED photochemical reaction system - Google Patents
Intelligent-controll ultraviolet LED photochemical reaction system Download PDFInfo
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- CN105061641A CN105061641A CN201510482784.0A CN201510482784A CN105061641A CN 105061641 A CN105061641 A CN 105061641A CN 201510482784 A CN201510482784 A CN 201510482784A CN 105061641 A CN105061641 A CN 105061641A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The present invention belongs to the technical field of semiconductor lighting, and particularly relates to an intelligent-control ultraviolet LED photochemical reaction system. The intelligent-control ultraviolet LED photochemical reaction system is formed by splicing one or a plurality of of module apparatus, wherein each module apparatus comprises a control device, an ultraviolet LED lamp system, a heating device, a conveyor belt, a hopper and the like; by virtue of the ultraviolet LED lamp system, photochemical reaction is realized, and photopolymerized, photo-cured orphotografted products are generated; the control device is used to control operation states of the ultraviolet LED lamp system, the heating device and the conveyor belt so as to meet the production needs of different reactants. According to the present invention, the ultraviolet LED lamp with good controllability and high radiation efficiency is used as a ultraviolet light source to realize photopolymerization, and intelligent control of a plurality of functions can be realized by the control device, so that security in the production process is ensured, and energy consumption in the photopolymerization production process is greatly reduced, the production rate is increased and the economic benefits are increased.
Description
Technical field
The invention belongs to technical field of semiconductor illumination, be specifically related to a kind of ultraviolet LED photochemical reaction system of intelligent control.
Background technology
Photochemical reaction is also called photo-actinic action, refers to the chemical reaction that the molecule of material causes after absorb photons under visible ray or ultraviolet irradiation.Photochemical reaction can cause the processes such as chemical combination, decomposition, ionization, redox.
At present, light polymerization technique obtains in the industrial production and pays close attention to widely.Photopolymerization makes monomer polymerization by photochemical reaction, and namely monomer molecule is directly subject to optical excitation by optical excitation or by photosensitizers, light trigger under the irradiation of UV-light, activates into free radical or generates ion and carry out chain polymerization.Various of monomer can be polymerized rapidly under UV-irradiation.Light polymerization process has that polymerization temperature is low, energy consumption is little, reaction preference is high and the feature such as easy to control, the reaction that general molecule can not carry out can occur, expand and obtain high molecular means.
Development along with science and technology and the pay attention to day by day to environmental protection, light polymerization technique is applied in various industrial production more and more, and develops various photopolymerization reaction equipment.The light source mainly glow discharge spot lamp such as mesohigh mercury lamp or xenon lamp that current photopolymerisation device is used.But the surface temperature of glow discharge spot lamp is up to 400-1000 DEG C, easily causes accumulation of heat, multiple negative impact can be caused: 1) in long-time sustained reaction process, the heat effects temperature of charge of lamp, thus affect reaction effect; 2) in reactor, the easy high temperature cabonization of quartzy tube wall of glow discharge spot lamp, causes shorten the work-ing life of lamp; 3) condition of high temperature during glow discharge spot lamp work also easily causes security incident, and the gas produced in reaction process may at high temperature set off an explosion.
Except the impact of heat, the radiation spectrum comparison of ingredients of glow discharge spot lamp is complicated and unadjustable, also can bring impact to reaction process.The light that glow discharge spot lamp sends comprises multi-wavelength, and short-wave radiation can cause molecule chain rupture, causes photodegradation to react, and reduces productivity; Unnecessary wavelength then can cause the generation of multiple by product, reduces the purity of product.And the spectrum of light source is unadjustable, then the controllability of photopolymerization reaction will be relatively poor, and along with the increase of light application time, the transformation efficiency of reaction reduces.
The photopolymerisation device mentioned in patent US20120032575 have employed LED light source, but this patent background is the application for dental field, comprise a polymerization space in equipment, the transparent or semitransparent chamber wall of the light transmission that LED light source sends enters polymerization space, and polymerization ofathe reactants is solidified.In this patent, the heat that LED light source sends is introduced in polymerization space, coordinates subsidiary heating installation to heat whole polymerization space, makes it meet the temperature requirement of photopolymerization reaction.Therefore, this invention can only be small-sized airtight equipment, is difficult to the requirement meeting large-scale industry continuous production.And in actual large-scale application, it is also be difficult to realize that the heat utilizing LED to produce heats: the heat that utilize LED, then need to introduce gas flow, can produce radiating effect in this situation, gas temperature can significantly decline; If ensure that gas temperature is higher, then the radiating effect of LED light source is very poor, and what can have a strong impact on light source goes out optical property, lowers efficiency.
Summary of the invention
The object of the present invention is to provide a kind of efficient, can the ultraviolet LED photochemical reaction system of intelligent control, to solve the problem of existing installation in industrial scale, security, energy consumption and application flexibility etc.
Of the present invention can the ultraviolet LED photochemical reaction system (production line) of intelligent control, comprise operating device (i.e. control module), ultraviolet LED lamp system, heating installation, transport tape, hopper etc., its structure is as shown in Figure 1.Ultraviolet LED lamp system is positioned at above transport tape, and heating installation is arranged at below transport tape; Hopper is used for holding material to be heated, and hopper delivers to heating installation place by transport tape, to heating material, and by ultraviolet LED lamp system, carries out ultraviolet light irradiation, realizes photochemical reaction, generate photopolymerization, photocuring or photo-grafting product; Operating device for controlling the working order of ultraviolet LED lamp system, heating installation, transport tape, to meet the Production requirement of differential responses thing.
The present invention adopts controllability is good, efficiency is high ultraviolet LED light fixture as ultraviolet source to realize light initiation polymerization, and the intelligent control of several functions is realized by operating device, guarantee the security of production process, and significantly reduce the energy consumption of photopolymerization production process, improve throughput rate, increase economic benefit.
In the present invention, described operating device, comprise lamp control system, heating installation Controlling System, Control System for Transmission Belt etc., various piece controls respectively; The switch of the various functions of various piece, adjustment and switching can be carried out separately, also can be set to multiple operating mode; Red-tape operati can adopt online mode, also can regulate by networking mode is long-range.
In the present invention, described lamp control system, comprises lamp controller, LED driver, ultraviolet detector, and forms feedback loop; Lamp controller controls LED driver, LED driver sends UV-light for driving ultraviolet LED lamp system (comprising some LED modules), ultraviolet detector for detecting the yield of radiation of ultraviolet LED lamp system (comprising some LED modules), the yield of radiation ratio etc. of different wave length ultraviolet LED, and by information feed back to lamp controller.Lamp control system, by lamp controller, controls the switch of ultraviolet LED light fixture and timing, the power regulation of light fixture, the spectrum transform of multi-wavelength ultraviolet LED light fixture, the switching of light fixture operating mode; The yield of radiation of monitoring LED lamp system (light source) also feeds back to controller, guarantees homogeneity and the consistence of ultraviolet lighting, and Timeliness coverage fault reporting to the police.The outward current in lamp control system setting each loop of LED driver, regulates the power of each loop medium ultraviolet LED, thus realizes the switch of whole light fixture, power regulation and spectrum transform, and can switch different operating mode.Be provided with one or more ultraviolet detector in lamp control system, the yield of radiation ratio etc. of the total radiation intensity of light fixture, different wave length ultraviolet LED can be recorded, and by information feed back to lamp control system, as shown in Figure 3.
In the present invention, described heating installation Controlling System, its function comprises: the switch and the power regulation that control heating installation, thus controls the temperature of material in hopper; The temperature etc. of material in setting, measurement hopper.Heating installation Controlling System comprises heating controller and temperature measuring equipment etc.; Heating controller controls opening and closing and the power regulation of heating installation by temperature switch etc., be provided with temperature controller simultaneously, by the thermoelectricity occasionally temperature measuring equipment such as thermistor, record temperature of charge in hopper and feed back to heating controller, guaranteeing that temperature of charge accurately remains on set temperature.
In the present invention, described Control System for Transmission Belt, for regulating the motion and rotating speed etc. of transport tape; Material can static irradiation under light fixture, is transmitted band transfer, also at the uniform velocity can completes photochemical reaction by light fixture by transport tape after photochemical reaction completes.Described Control System for Transmission Belt adopts buncher, stepper-motor, servomotor etc. usually, and controls transfer band moves.
In the present invention, described ultraviolet LED lamp system comprises: one or several ultraviolet LED light sources, and optical source wavelength scope is 200 ~ 420nm, and the length of light fixture and width can design as required.Described ultraviolet LED light source can adopt the LED device of single wavelength, also can adopt the LED device that multiple wavelength mixes.Described ultraviolet LED lamp system adopts water-cooled or air cooling way, above lamp system, exhaust outlet is housed, and improves the heat radiation of ultraviolet LED, ensures the normal table work of light source.
In the present invention, described heating installation utilizes the modes such as conduction, radiation or convection current, adopts the means such as water-bath, oil bath, ohmic heating, ir radiation, pulse heating, microwave electromagnetic heating; Described heating installation also can comprise temperature measuring equipment, for detecting the temperature of material and feeding back to controller, guarantees that material carries out uv photopolymerization reaction under rational temperature range.
In the present invention, described transport tape adopts reticulated structure, metallic substance or its alloys such as material selection aluminium, iron, is convenient to heating installation to hopper heat, and ultraviolet aging resistance; The transmission mode of described transport tape sets according to the needs of polyreaction.
In the present invention, described hopper adopts the material such as stainless steel, glass to make, should ultraviolet aging resistance, again can heat conduction.
The final product of the ultraviolet LED photochemical reaction system of intelligent control of the present invention can be solid-state photopolymerization, photocuring reaction product, also can be liquid UV-induced grafting product.
The ultraviolet LED photochemical reaction system of intelligent control of the present invention, has the following advantages:
The present invention can build up large-scale production line; guaranteeing in mass-producing quantity-produced situation; adopt efficiency is high, security is good ultraviolet LED light source or light fixture; can enhance productivity, reduce energy consumption; environment, material pollution etc. can not be caused again, and can reduce because light fixture generates heat the potential safety hazard caused.
Apparatus for production line controllability of the present invention is good.Can plug and play, reduce the energy dissipation that the light stability time causes.The parameter of modules device on production line can be regulated according to the Production requirement of actual product respectively, make photochemical reaction controlled, meet the Production requirement of variant production.And production line of the present invention also possesses networking control function, more intelligent control device can be provided.
Production line of the present invention can not only for the production of photocuring, photopolymerisable solid product, can also by controlling the UV-induced grafting product of the parameter such as optical source wavelength, intensity output in next life liquid state, therefore production unit of the present invention can open more Application Areas.
Accompanying drawing explanation
Fig. 1 is the front view of ultraviolet LED photopolymerization reaction equipment of the present invention.
Fig. 2 is the LED chip arrangement mode figure of the light fixture of photopolymerization reaction equipment of the present invention.
Fig. 3 is the Control system architecture diagram of photopolymerization reaction equipment of the present invention.
Number in the figure: 1-production line preamble part; 2-modular device; 3-hopper; 4-transport tape; 5-relieving light storage room; 6-Controlling System; 7-liquid crystal touch screen control panel; 8-tele-control system; 9-ultraviolet LED lamp system; 10-lamp bracket retaining screw; 11-exhaust outlet; 12-ultraviolet light transducer; 13-heating installation; 14-thermal baffle; 15-temperature sensor; 16-motor; 17-LED module; 18-365nm chip; 19-405nm chip.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.Described embodiment is only section Example of the present invention.Do not make other all embodiments of creative achievement based on the embodiment in the present invention, all belong to protection scope of the present invention.
The ultraviolet LED photochemical reaction system of intelligent control of the present invention, comprises production line preamble part 1 and a modular device 2, as shown in Figure 1.Preamble part is used for feeding intake, and photochemically reactive raw material is poured in stainless steel hopper 3, drives transport tape 4 to be sent in modular device 2 by raw material react via motor 16.Being provided with relieving light storage room 5 below preamble part 1, for placing light fixture for subsequent use, timely replacement production line to lose efficacy light fixture, ensureing that production line normally runs.
Modular device 2 comprises Controlling System 6, ultraviolet LED lamp system 9, heating installation 13, transport tape 4 etc.Controlling System 6 possesses multiple control function, comprises the control of the control to lamp system 9, heating installation 13, and the control etc. to transport tape 4; The switch of various functions, adjustment and switching can control separately, also can be set to multiple operating mode; Controlling System 6 there is a liquid crystal touch screen control panel 7 can carry out on-line operation, tele-control system 8 is also housed simultaneously, can be operated by networking.
Described ultraviolet LED lamp system 9, adopt the Chip Packaging of 365nm chip and 405nm to form, its Facad structure as shown in Figure 2.Light fixture comprises 10 LED modules 17, each module is equipped with the chip of 32 power 3W.Wherein 5 modules adopt 365nm chip 18, and other 5 modules adopt 405nm chip; The encapsulation module alternately arrangement of two kinds of wavelength, can distinguish trip switch, light modulation etc.Lamp system 9 is fixed on lamp bracket by screw 10, has exhaust outlet 11 to dispel the heat for light fixture above light fixture.The UV-light output that ultraviolet light transducer 12 is used for monitoring lamp system is equipped with in lamp bracket side, and feeds back to Controlling System 6.
Described heating installation 13 adopts thermal resistance wire, has thermal baffle 14 below heating installation.Temperature sensor 15 is also housed simultaneously, be used for monitor material reaction time temperature and feed back to controller, guarantee that material carries out UV-light chemical reaction under rational temperature range.Described hopper 3 adopts stainless material to make, should can ultraviolet aging resistance, again can heat conduction.
Described transport tape 4 adopts stainless (steel) wire to make, and is convenient to heating installation 13 pairs of hoppers 3 and heats, and ultraviolet light resistant.Reaction raw materials in hopper is at the uniform velocity transported through production line and carries out illumination reaction by described transport tape 4, and its transmission speed sets according to photochemical reaction required time.
Apparatus for production line of the present invention can realize photochemically reactive batch production, and can be controlled separately the light fixture light intensity, wavelength etc. of each modular device by networking mode, thus on a production line, meet the Production requirement of variant production.Production line of the present invention adopts ultraviolet LED light fixture as ultraviolet source, controlledly to act charitably, efficiency is high, effectively can realize intelligent control, both ensure that the security in production process, significantly reduce again the energy consumption of photopolymerization production process, improve throughput rate, increase economic benefit.
Claims (8)
1. a ultraviolet LED photochemical reaction system for intelligent control, is characterized in that, comprises operating device, ultraviolet LED lamp system, heating installation, transport tape, hopper; Wherein, ultraviolet LED lamp system is positioned at above transport tape, and heating installation is arranged at below transport tape; Hopper is used for holding material to be heated, and hopper delivers to heating installation place by transport tape, to heating material, and by ultraviolet LED lamp system, carries out ultraviolet light irradiation, realizes photochemical reaction, generate photopolymerization, photocuring or photo-grafting product; Operating device for controlling the working order of ultraviolet LED lamp system, heating installation, transport tape, to meet the Production requirement of differential responses thing;
Described operating device, comprise lamp control system, heating installation Controlling System, Control System for Transmission Belt, various piece controls respectively; The switch of the various functions of various piece, adjustment and switching are carried out all separately, or are set to multiple operating mode; Red-tape operati adopts online mode, or regulates by networking mode is long-range.
2. the ultraviolet LED photochemical reaction system of intelligent control according to claim 1, is characterized in that described lamp control system comprises lamp controller, LED driver, ultraviolet detector, and forms feedback loop; Lamp controller controls LED driver, LED driver sends UV-light for driving ultraviolet LED light source, ultraviolet detector for detecting the yield of radiation of ultraviolet LED lamp system, the yield of radiation ratio of different wave length ultraviolet LED, and by information feed back to lamp controller; Lamp control system, by lamp controller, controls the switch of ultraviolet LED light fixture and timing, the power regulation of light fixture, the spectrum transform of multi-wavelength ultraviolet LED light fixture, the switching of light fixture operating mode; The yield of radiation of monitoring LED lamp system also feeds back to controller, guarantees homogeneity and the consistence of ultraviolet lighting, and Timeliness coverage fault reporting to the police.
3. the ultraviolet LED photochemical reaction system of intelligent control according to claim 1, is characterized in that, described heating installation Controlling System, and its function comprises: the switch and the power regulation that control heating installation, thus controls the temperature of material in hopper; The temperature of material in setting, measurement hopper; This heating installation Controlling System comprises heating controller and temperature measuring equipment; Heating controller controls opening and closing and the power regulation of heating installation by temperature switch, be provided with temperature controller simultaneously, by thermoelectricity occasionally thermistor, record temperature of charge in hopper and feed back to heating controller, guaranteeing that temperature of charge accurately remains on set temperature.
4. the ultraviolet LED photochemical reaction system of intelligent control according to claim 1, is characterized in that, described Control System for Transmission Belt, for regulating motion and the rotating speed of transport tape; Material is static irradiation under ultraviolet LED light fixture, be transmitted band transfer, or material at the uniform velocity passes through ultraviolet LED light fixture by transport tape, completes photochemical reaction after photochemical reaction completes; Described Control System for Transmission Belt adopts buncher, stepper-motor or servomotor usually, and controls transfer band moves.
5. according to the ultraviolet LED photochemical reaction system of the intelligent control one of claim 1-4 Suo Shu, it is characterized in that, described ultraviolet LED lamp system comprises: one or several ultraviolet LED light sources, and optical source wavelength scope is 200 ~ 420nm; Described ultraviolet LED light source adopts the LED device of single wavelength, or the LED device adopting multiple wavelength to mix.
6. according to the ultraviolet LED photochemical reaction system of the intelligent control one of claim 1-4 Suo Shu, it is characterized in that, the type of heating of described heating installation is heating in water bath, oil bath heating, ohmic heating, infrared radiation heating, pulse heating or microwave electromagnetic heating.
7. according to the ultraviolet LED photochemical reaction system of the intelligent control one of claim 1-4 Suo Shu, it is characterized in that, described transport tape adopts reticulated structure, material selection aluminium, ferrous material or its alloy.
8. according to the ultraviolet LED photochemical reaction system of the intelligent control one of claim 1-4 Suo Shu, it is characterized in that, described hopper adopts stainless steel or glass material to make.
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| CN201510482784.0A CN105061641A (en) | 2015-08-10 | 2015-08-10 | Intelligent-controll ultraviolet LED photochemical reaction system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108586790A (en) * | 2018-04-11 | 2018-09-28 | 哈尔滨理工大学 | A kind of polymeric U light irradiation grafting experimental provision |
| CN111868100A (en) * | 2018-09-14 | 2020-10-30 | 株式会社Lg化学 | Photopolymerization reaction system including air injection module for preventing contamination of UV light-transmitting plate |
| CN113985535A (en) * | 2021-10-28 | 2022-01-28 | 中国科学院半导体研究所 | Method for determining ultraviolet adhesive curing time for optical module packaging |
-
2015
- 2015-08-10 CN CN201510482784.0A patent/CN105061641A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108586790A (en) * | 2018-04-11 | 2018-09-28 | 哈尔滨理工大学 | A kind of polymeric U light irradiation grafting experimental provision |
| CN111868100A (en) * | 2018-09-14 | 2020-10-30 | 株式会社Lg化学 | Photopolymerization reaction system including air injection module for preventing contamination of UV light-transmitting plate |
| CN111868100B (en) * | 2018-09-14 | 2022-09-16 | 株式会社Lg化学 | Photopolymerization reaction system including air injection module for preventing contamination of UV light-transmitting plate |
| CN113985535A (en) * | 2021-10-28 | 2022-01-28 | 中国科学院半导体研究所 | Method for determining ultraviolet adhesive curing time for optical module packaging |
| CN113985535B (en) * | 2021-10-28 | 2023-06-27 | 中国科学院半导体研究所 | Method for determining ultraviolet glue curing time length for optical module encapsulation |
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