CN109203666A - Uvled固化模组 - Google Patents
Uvled固化模组 Download PDFInfo
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- CN109203666A CN109203666A CN201710548940.8A CN201710548940A CN109203666A CN 109203666 A CN109203666 A CN 109203666A CN 201710548940 A CN201710548940 A CN 201710548940A CN 109203666 A CN109203666 A CN 109203666A
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000005764 inhibitory process Effects 0.000 claims abstract description 13
- 239000001301 oxygen Substances 0.000 claims abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 5
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 5
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000001723 curing Methods 0.000 claims description 25
- 238000007639 printing Methods 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 8
- 238000000016 photochemical curing Methods 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
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- 238000007711 solidification Methods 0.000 description 4
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 3
- 229910017083 AlN Inorganic materials 0.000 description 2
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 2
- 238000003848 UV Light-Curing Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
- B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
- B05D3/065—After-treatment
- B05D3/067—Curing or cross-linking the coating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/0403—Drying webs
- B41F23/0406—Drying webs by radiation
- B41F23/0409—Ultraviolet dryers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/044—Drying sheets, e.g. between two printing stations
- B41F23/045—Drying sheets, e.g. between two printing stations by radiation
- B41F23/0453—Drying sheets, e.g. between two printing stations by radiation by ultraviolet dryers
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Led Device Packages (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
本发明UVLED固化模组由电源变换高压恒流驱动模块、UVLED集成光源模块、冷水循环铝件、高透光镀膜石英玻璃、铝型通风件组成。UVLED固化模组的电源变换高压恒流驱动模块、UVLED集成光源模块,两者一一对应,根据固化物所需功率决定模块数量。两模块紧贴于冷水循环铝件正反两面,用导线电连接。UVLED集成光源模块下方有高透光镀膜石英玻璃与外界隔离。当固化物需要解决氧阻聚时,在高透光镀膜石英玻璃下方罩上铝型通风件,在铝型通风件里面充入氮气或二氧化碳。本发明的优点是结构小巧、功率可随意组合、紫外芯片散热彻底,可克服氧阻聚的一种模块化设计。
Description
技术领域
UVLED固化技术是一种节能、环保、经济的绿色固化技术。可广泛应用在印刷、家具、3D打印制造、印刷电路板、涂料、粘合剂等领域,成为油墨、油漆、涂料、粘合剂更新固化设备的最新技术。
背景技术
本发明主要针对UV光固化传统的应用领域的替代,目前印刷行业的UV固化光源大多数仍然是采用传统的高压水银灯和金属卤素灯,这类传统UV灯含重金属污染物、耗能高,并且使用寿命短,需要频繁更换光源。和传统的UV固化方式相比,UVLED印刷固化主要有以下优势:节能、环保。固化装置不产生臭氧,没有VOC排放,不需要安装除味装置和排风管道等辅助设备;使用寿命长。可减少更换光源的次数,印刷效率高。UVLED可做到瞬间开启或关闭,无需UV灯所必须的预热及冷却时间,印刷效率得到大幅提高。热辐射很小。特别有利于标签印刷和对热敏感的承印材料印刷。同时,由于对印刷机的热影响小,不会对印刷机机械部件带来影响。但是对于高速的全能转标签机和胶印机需要UVLED功率非常大,UVLED做大功率比较困难,主要原因是传统的低压直流恒流电源功率做不大或者做大成本很高。本发明利用高压恒流驱动UVLED并做成模块化,模块之间可并联,这样功率很容易做大。功率大则散热很难解决,散热处理不好就容易引起光衰从而缩短固化机的寿命,本发明很好解决了紫外芯片的散热问题;UVLED在固化过程中会出现氧阻聚问题,氧阻聚是指光固化时被固化物的低层固化了表面未固化而发黏,本发明同时也很好的解决了此问题。
发明内容
本发明技术目的是克服现有UVLED固化技术中存在的功率不能太大,散热问题不好解决,氧阻聚克服困难等问题。
实现本发明的技术方案如下:
本发明UVLED固化模组由电源变换高压恒流驱动模块、UVLED集成光源模块、冷水循环铝件、高透光镀膜石英玻璃、铝型通风件组成。UVLED固化模组的电源变换高压恒流驱动模块、UVLED集成光源模块,两者一一对应,根据固化物所需功率决定模块数量。两模块紧贴于冷水循环铝件正反两面,用导线电连接。UVLED集成光源模块下方有高透光镀膜石英玻璃与外界隔离。当固化物需要解决氧阻聚时,在高透光镀膜石英玻璃下方罩上铝型通风件,在铝型通风件里面充入氮气或二氧化碳。本发明的优点是结构小巧、功率可随意组合、紫外芯片散热彻底,可克服氧阻聚的一种模块化设计。
上述方案中,电源变换高压恒流驱动模块是由整流桥芯片DB207S,高压恒流驱动芯片SDS3106,电阻电容组成。该模块输出的恒流电流大小是根据单颗UVLED额定电流确定,因此驱动电流小,做大功率产品时可多个模块并联使用。
上述方案中,UVLED集成光源模块由UVLED芯片封装在高导热的氮化铝基板上。在氮化铝陶瓷基板背面镀银,用焊锡或螺钉紧固于冷水循环铝件出水孔上。这样氮化铝基板直接与循环冷水接触,迅速带走UVLED芯片工作时所产生的热量。
上述方案中,在冷水循环铝件出水孔周围镀铜,便于UVLED集成光源模块用焊锡与冷水循环铝件焊接在一起。
上述方案中,高透光镀膜石英玻璃和铝型通风件之间充入氮气或者二氧化碳以解决氧阻聚问题。
附图说明
下面结合附图和实施例对本发明进一步说明。
图1是本发明的电源变换高压恒流驱动模块示意图。
其中,1-1、1-2为220V交流输入接点,1-3为整流桥,1-4为高压恒流驱动芯片,1-5、1-6为高压恒流输出接点,1-7为填谷整流电容,1-8为放电电阻,1-9为铝基板。
图2是UVLED集成光源模块示意图。
其中,2-1、2-2为高压恒流输入接点,2-3为UVLED芯片,2-4为氮化铝陶瓷基板。
图3是本发明的UVLED整机固化模组示意图。
其中,3-1为铝型通风件,3-2为电源变换高压恒流驱动模块,3-3为高透光镀膜石英玻璃,3-4、3-5为冷水循环水槽接口,3-6为冷水循环铝件。
图4是高透光镀膜石英玻璃示意图。
图5为图3去掉通风件3-1后倒置的结构示意图。
其中,5-1为固化LED集成光源模块,5-2为高透光镀膜石英玻璃,5-3、5-4为冷水循环水槽接口,5-5为冷水循环铝件。
图6是铝型通风件示意图。
图7是冷水循环铝件示意图。
其中7-1、7-2为冷水循环水槽接口,7-3为冷水循环水槽与UVLED集成光源模块背面相通的过水孔。过水孔形状为靠近UVLED集成光源模块一侧直径大,远离UVLED集成光源模块一侧直径小。
具体实施方式
下面为本发明的具体实施方式:
本发明UVLED固化模组由图1所示电源变换高压恒流驱动模块与图2所示UVLED集成光源模块一一对应组装在冷水循环铝件3-6(图7)的正反两面,用导线电连接。图1所示电源变换高压恒流驱动模块的铝基板1-9涂上导热硅脂紧固于冷水循环铝件3-6(图7)上,位置由图3所示之3-2。图2所示UVLED集成光源模块的氮化铝陶瓷基板2-4的无元器件的一面上镀银,用焊锡焊接在图7所示7-3处,位置由图5所示5-1;另外一种方式由螺钉紧固,但冷水循环水槽与UVLED集成光源模块背面相通的过水孔形状为靠近UVLED集成光源模块一侧直径大,远离LED模块一侧直径小,方便放入防水圈。高透光镀膜石英玻璃图4所示盖于图2所示UVLED集成光源模块之上,位置由图5所示5-2。铝型通风件图6所示组装在图3所示3-1位置。
UVLED固化模组工作时图1电源变换高压恒流驱动模块中,交流220V经220V输入接点1-1、1-2输入整流桥1-3整流后送入高压恒流驱动芯片1-4再经高压恒流输出接点1-5、1-6输出后接入图2所示之UVLED集成光源模块的高压恒流输入接点2-1、2-2驱动UVLED芯片工作。UVLED工作时发出紫外光,对所需固化物进行光固化。UVLED集成光源模块图2所示中UVLED芯片2-3全部为串联,因此驱动电流为单颗UVLED芯片额定电流,所需恒流电流小,可多个模块并联使用,很容易做成大功率UVLED光固化产品。UVLED芯片工作时会产生大量热量,该热量由图7冷水循环铝件7-1、7-2接入冷水机,冷水循环带走热量,因为UVLED集成光源模块图2背面直接与循环冷水接触,因此散热快。被固化物需要处理氧阻聚问题时将二氧化碳或氮气充入铝型通风件3-1(图6),这样可解决被固化物因氧阻聚而产生的表干问题。电源变换高压恒流驱动模块3-2(图1)和UVLED集成光源模块的数量由实际固化物所需功率确定。本发明的UVLED固化模组结构紧凑小巧,方便安装在各种固化设备中。
Claims (6)
1.一种用于光固化的UVLED固化模组,可方便的安装在标签印刷机、胶印机、PCB板曝光机等UV光固化设备中,其特征在于,本发明UVLED固化模组由电源变换高压恒流驱动模块、UVLED集成光源模块、冷水循环铝件、高透光镀膜石英玻璃、铝型通风件组成。UVLED固化模组的电源变换高压恒流驱动模块、UVLED集成光源模块,两者一一对应,根据固化物所需功率决定模块数量。两模块紧贴于冷水循环铝件正反两面,用导线电连接。UVLED集成光源模块下方有高透光镀膜石英玻璃与外界隔离。当固化物需要解决氧阻聚时,在高透光镀膜石英玻璃下方罩上铝型通风件,在铝型通风件里面充入氮气或二氧化碳。
2.根据权利要求1所述的UVLED固化模组,其特征在于,所述UVLED固化模组采用高压恒流驱动模式,流经每个模块的工作电流很小,可多个模块并联组成大功率的UVLED固化模组。
3.根据权利要求1所述的UVLED固化模组,其特征在于,所述UVLED集成光源模块的氮化铝陶瓷基板背面直接与循环冷水接触。
4.根据权利要求1所述的UVLED固化模组,其特征在于,当所固化物需要解决氧阻聚问题时,固化物置于高透光镀膜石英玻璃与铝型通风件之间,高透光镀膜石英玻璃与铝型通风件之间充入氮气或者二氧化碳,解决由于氧阻聚而造成的表干问题。
5.根据权利要求1所述的UVLED固化模组,其特征在于,所述UVLED固化模组为模块化设计,可根据不同用途装置的需要任意组合。
6.根据权利要求1所述的UVLED固化模组,其特征在于,所述UVLED固化模组可通过控制器根据实际工作需要选择性开通或关闭部分UVLED集成光源模块。
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