WO2013173990A1 - 一种无极灯玻璃管壳的制造工艺 - Google Patents

一种无极灯玻璃管壳的制造工艺 Download PDF

Info

Publication number
WO2013173990A1
WO2013173990A1 PCT/CN2012/075959 CN2012075959W WO2013173990A1 WO 2013173990 A1 WO2013173990 A1 WO 2013173990A1 CN 2012075959 W CN2012075959 W CN 2012075959W WO 2013173990 A1 WO2013173990 A1 WO 2013173990A1
Authority
WO
WIPO (PCT)
Prior art keywords
glass tube
minutes
temperature
powder
electrodeless lamp
Prior art date
Application number
PCT/CN2012/075959
Other languages
English (en)
French (fr)
Inventor
谭国振
何文丰
Original Assignee
广东电力士照明科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广东电力士照明科技有限公司 filed Critical 广东电力士照明科技有限公司
Priority to US14/403,192 priority Critical patent/US20150101367A1/en
Priority to PCT/CN2012/075959 priority patent/WO2013173990A1/zh
Publication of WO2013173990A1 publication Critical patent/WO2013173990A1/zh

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/04—Re-forming tubes or rods
    • C03B23/13—Reshaping combined with uniting or heat sealing, e.g. for making vacuum bottles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
    • H01J9/245—Manufacture or joining of vessels, leading-in conductors or bases specially adapted for gas discharge tubes or lamps
    • H01J9/247—Manufacture or joining of vessels, leading-in conductors or bases specially adapted for gas discharge tubes or lamps specially adapted for gas-discharge lamps
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/20—Uniting glass pieces by fusing without substantial reshaping
    • C03B23/207—Uniting glass rods, glass tubes, or hollow glassware
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B25/00—Annealing glass products
    • C03B25/02—Annealing glass products in a discontinuous way
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B32/00—Thermal after-treatment of glass products not provided for in groups C03B19/00, C03B25/00 - C03B31/00 or C03B37/00, e.g. crystallisation, eliminating gas inclusions or other impurities; Hot-pressing vitrified, non-porous, shaped glass products
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/001—General methods for coating; Devices therefor
    • C03C17/003—General methods for coating; Devices therefor for hollow ware, e.g. containers
    • C03C17/004—Coating the inside
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
    • C03C23/0075—Cleaning of glass
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
    • H01J65/04—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels
    • H01J65/042—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/70—Properties of coatings
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00—Methods for coating glass
    • C03C2218/10—Deposition methods
    • C03C2218/11—Deposition methods from solutions or suspensions
    • C03C2218/114—Deposition methods from solutions or suspensions by brushing, pouring or doctorblading
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00—Methods for coating glass
    • C03C2218/30—Aspects of methods for coating glass not covered above
    • C03C2218/31—Pre-treatment
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00—Methods for coating glass
    • C03C2218/30—Aspects of methods for coating glass not covered above
    • C03C2218/32—After-treatment
    • C03C2218/322—Oxidation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
    • H01J9/22—Applying luminescent coatings
    • 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
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57—Improving the yield, e-g- reduction of reject rates

Definitions

  • the invention relates to a manufacturing process of a glass envelope, in particular to a manufacturing process of an electrodeless lamp glass envelope.
  • the electrodeless lamp is a filamentless, electrodeless lighting product. It is an abbreviation for an electrodeless gas discharge fluorescent lamp. Its working principle is that the electromagnetic field of the high frequency generator is inductively coupled into the lamp to ionize the gas in the bulb. A plasma is formed. When the plasma excited atom returns to the ground state, ultraviolet rays are radiated, and the phosphor on the inner wall of the bulb is excited by ultraviolet rays to generate visible light.
  • the manufacturing process of the electrodeless glass shell is generally first to clean the glass tube, then to powder, baking powder, rubbing powder, butt joint, but the electrodeless glass shell prepared by the process is in light effect, light decay and There are still a lot of shortcomings in terms of service life, and it is difficult to meet people's requirements for use.
  • an object of the present invention is to provide a manufacturing process for a manufacturing process of an electrodeless lamp glass envelope to improve the performance of the electrodeless lamp in terms of light efficiency, light decay, and service life.
  • a manufacturing process of an electrodeless lamp glass tube shell the process steps are as follows:
  • Coating film Pour the film solution into the glass tube.
  • the film solution is a 12% alumina solution. After the film solution is evenly adhered to the inner wall of the glass tube, it is dried in the dryer and then wiped off the glass tube. a film layer at the edges of both ends;
  • Powder coating pour a phosphor paste with a viscosity of 30 Pa « s and a specific gravity of 1.5 into the glass tube. After the phosphor paste is evenly adhered to the inner wall of the glass tube, dry it in the dryer and wipe it off. a layer of powder on both ends of the glass tube;
  • Baking powder Put the glass tube into the baking machine, align the glass tube nozzle with the ventilation nozzle, turn on the heating switch and fan to bake, and then naturally cool to room temperature after baking;
  • Wiping powder Wipe off the phosphor inside and outside the glass tube port and the exhaust pipe, and shake off the residual powder and foreign matter in the tube;
  • Annealing Place the fired tube in a tunnel oven for high temperature annealing to eliminate stress.
  • the invention has the beneficial effects that: the invention increases the coating process before the powder coating process, and the step is mainly to improve the flatness and the density of the inner wall of the glass tube to ensure the uniformity of adhesion in the powder coating process;
  • the invention adopts multi-stage temperature control design in the coating film, powder coating and baking powder process, thereby effectively ensuring the coating thickness and increasing the productivity by 50%, and in the baking powder process, the fan is aligned with the glass tube nozzle, thereby The oxygen inlet is increased to improve the efficiency of baking powder.
  • the present invention performs high-temperature annealing on the joint to eliminate stress, and the above factors are comprehensively improved. Good endless lamp performance in terms of light efficiency, light decay and service life.
  • a manufacturing process of an electrodeless lamp glass tube shell the process steps are as follows:
  • the specific operation is as follows: Firstly, the glass tube is completely immersed in the acid solution, the acid solution is hydrofluoric acid, the ratio of hydrofluoric acid to water is 1:80, the PH value is between 7 and 8, and the soaking time is 2 to 3 minutes. Then take it out and wash it with pure water. The conductivity of pure water is less than 6us/cm, and the soaking time is 2 ⁇ 3 minutes, thus completely eliminating the residual acid solution. Finally, the cleaned glass tube is baked in the dryer for 5 minutes. The inside was baked at a temperature of 70 ° C, and then kept for 10 minutes, then naturally cooled to room temperature and passed to the next step. This step is mainly to clean the glass tube to ensure that there is no impurity residue on the inner wall of the glass tube, and to ensure that the inner wall of the glass tube is dry and free of dust.
  • Coating film Pour the film solution into the glass tube.
  • the film solution is a 12% alumina solution. After the film solution is evenly adhered to the inner wall of the glass tube, it is dried in the dryer and then wiped off the glass tube. a film layer at the edges of both ends;
  • the membrane solution is filtered with a double-layer 100 mesh filter, and then the membrane solution is poured into a glass tube.
  • the glass tube is inverted and the layer is uniformly adhered to the membrane layer.
  • the inner wall of the glass tube, and then the glass tube coated with the film is dried in a dryer.
  • the dryer is a tunnel type oven, and the interior thereof is divided into four zones, and the temperature is 190 ° C, respectively. 200 ° C, 180 ° C, 190 ° C, the residence time of each product in each zone is 5 minutes, 5 minutes, 7 minutes, 7 minutes, after drying, wipe off the film at both ends of the glass tube and pass Go to the next step.
  • This step is mainly to improve the flatness and density of the inner wall of the glass tube to ensure the sticking of the powder coating process. Attach uniformity.
  • Powder coating pour a phosphor paste with a viscosity of 30 Pa « s and a specific gravity of 1.5 into the glass tube. After the phosphor paste is evenly adhered to the inner wall of the glass tube, dry it in the dryer and wipe it off. a layer of powder on both ends of the glass tube;
  • the specific operation is as follows: Prepare the phosphor paste, and then pour the phosphor slurry into the glass tube. When the portion to be coated in the glass tube adheres to the phosphor slurry, the glass tube is inverted and the phosphor paste is uniformly adhered to the inner wall of the glass tube. Then, the glass tube coated with the phosphor slurry is dried in a dryer.
  • the dryer is a tunnel oven, and the interior thereof is divided into four zones, and the temperature is 190 ° C and 200 ° respectively.
  • C, 180 ° C, 190 ° C the product residence time in each zone is 15 minutes, 15 minutes, 27 minutes, 27 minutes, after drying, wipe off the powder layer at the edge of both ends of the glass tube and pass it under A process.
  • Baking powder Put the glass tube into the baking machine, align the glass tube nozzle with the ventilation nozzle, turn on the heating switch and fan to bake, and then naturally cool to room temperature after baking; the specific operation is as follows: the glass tube Put it into the baking machine, align the glass tube nozzle with the ventilation nozzle, turn on the heating switch, and heat up the average three sections.
  • the heating time of each section is 10 minutes, during which the temperature is kept for 3 minutes.
  • the temperature rises to 680 °C turn on the fan.
  • the average temperature rises in three stages, and each step is heated for 10 minutes. During this period, the temperature is kept for 3 minutes.
  • the insulation is started.
  • the holding time is 60 minutes.
  • the heating and fan are turned off, and the temperature is naturally cooled to room temperature. And passed to the next process.
  • This step is mainly to use high temperature oxidation and use a fan to remove impurities in the phosphor.
  • Wiping powder Wipe off the phosphor inside and outside the glass tube port and the exhaust pipe, and shake off the residual powder and foreign matter in the tube;
  • the specific operation is as follows: firstly wipe off the phosphor inside and outside the glass tube port with gauze, and wipe the nozzle Length: 40W: 5 ⁇ 6 mm; 80W ⁇ 150W: 7 ⁇ 8mm, 200W ⁇ 300W: 8 ⁇ 10mm Then wipe the phosphor inside the exhaust pipe with the fine wire of cotton ball, then gently shake the tube down the tube Residual powder and foreign matter, the glass tube with the powder is transferred to the next step.
  • This step is mainly to weld the two halves of the tube into a tube shell, and perform preliminary annealing to eliminate stress.
  • Annealing Place the fired tube in a tunnel oven for high temperature annealing to eliminate stress.
  • the dryer used in this step is a tunnel oven, which is divided into three zones.
  • the temperature of the three zones is 500°C for one zone, 780°C for the second zone, and 700°C for the third zone.
  • the residence time of the area is 10 minutes.
  • the invention increases the coating process before the powder coating process, and the step is mainly to improve the flatness and the density of the inner wall of the glass tube to ensure the uniformity of adhesion in the coating process; in addition, the invention is applied to the film and powder.
  • the baking powder process adopts multi-stage temperature control design to effectively ensure the coating thickness and increase the productivity by 50%.
  • the fan is aligned with the glass tube nozzle, thereby increasing the oxygen inlet and improving the roasting.
  • Powder efficiency finally, after the docking, the high temperature annealing of the joint is used to eliminate the stress, and the above factors are comprehensively improved, thereby effectively improving the performance of the electrodeless lamp in terms of light efficiency, light decay and service life.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Plasma & Fusion (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermal Sciences (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Surface Treatment Of Glass (AREA)

Abstract

一种无极灯玻璃管壳的制造工艺，包括洗管、涂膜、涂粉、烤粉、擦粉、对接、退火7个步骤，增加了涂膜工艺主要是提高玻璃管内壁的平整度以及致密度，以保证涂粉工序的粘附均匀性，另外，在涂膜、涂粉、烤粉工艺都采用了多段温控设计，从而有效保证涂层厚度，提高生产率达50%，而且在烤粉工艺中，增加了风机对准玻璃管管口，从而增加了氧气入口，提高烤粉效率，最后，在对接后对接合处进行高温退火消除应力。该工艺有效地改善了无极灯在光效、光衰和使用寿命方面的表现。

Description

一种无极灯玻璃管壳的制造工艺
技术领域
本发明涉及一种玻璃管壳的制造工艺， 特别是一种无极灯玻璃管 壳的制造工艺。
背景技术
无极灯是一种无灯丝、 无电极的照明产品， 是无电极气体放电 荧光灯的简称，其工作原理是通过高频发生器的电磁场以感应的方 式耦合到灯内使灯泡内的气体雪崩电离， 形成等离子体。 等离子受 激原子返回基态时辐射出紫外线，灯泡内壁的荧光粉受到紫外线激 发产生可见光。
目前无极灯玻璃管壳的制造工艺一般是先对玻璃管进行清洗， 然后是涂粉、 烤粉、 擦粉、 对接， 但是用此工艺制备出的无极灯玻 璃管壳在光效、 光衰以及使用寿命方面都还有很大的不足， 难以符 合人们的使用要求。
发明内容
为了解决上述的问题， 本发明的目的在于提供一种无极灯玻璃 管壳的制造工艺的制造工艺， 以改善无极灯在光效、 光衰和使用寿 命方面的表现。
本发明解决其问题所采用的技术方案是：
一种无极灯玻璃管壳的制造工艺， 其工艺步骤如下：
1) 洗管： 将玻璃管浸泡在酸液中， 取出清洗后再用纯水浸泡， 然 后取出烘干， 并自然冷却到室温；
2) 涂膜： 往玻璃管内倒入膜溶液， 膜溶液为浓度 12%的氧化铝溶 液， 待膜溶液均匀粘附在玻璃管内壁后， 放在烘干机内烘干， 再擦掉玻璃管两端边缘的膜层；
3) 涂粉： 往玻璃管内倒入粘度 30 Pa« s、 比重 1. 5的荧光粉浆， 待 荧光粉浆均匀粘附在玻璃管内壁后， 放在烘干机内烘干， 再擦 掉玻璃管两端边缘的粉层；
4) 烤粉： 将玻璃管放入烤管机内， 使玻璃管管口对准通风管口， 开启加热开关及风机进行烘烤， 烘烤后自然冷却到室温；
5) 擦粉： 擦去玻璃管端口内外以及排气管内的荧光粉， 抖去管内 的残留粉粒和异物；
6) 对接： 取配对好的玻璃管， 先用温度为 600°C〜800°C的副火枪 预热 3〜5秒， 再用温度为 900〜1100°C的主火枪进行烧接， 烧 接完毕后再用副火枪进行 5〜10秒的初步退火；
7) 退火： 将烧接好的管壳放入隧道式烤炉内进行高温退火消除应 力。
本发明的有益效果是： 本发明在涂粉工艺之前， 增加了涂膜工艺， 该 步骤主要是提高玻璃管内壁的平整度以及致密度，以保证涂粉工序的粘附 均匀性； 另外， 本发明在涂膜、 涂粉、 烤粉工艺都采用了多段温控设计， 从而有效保证涂层厚度， 提高生产率达 50%, 而且在烤粉工艺中， 增加了 风机对准玻璃管管口， 从而增加了氧气入口， 提高烤粉效率， 最后本发明 在对接后， 对接合处进行高温退火消除应力， 综上以上因素， 从而有效改 善无极灯在光效、 光衰和使用寿命方面的表现。
具体实施方式
一种无极灯玻璃管壳的制造工艺， 其工艺步骤如下：
1) 洗管： 将玻璃管浸泡在酸液中， 取出清洗后再用纯水浸泡， 然 后取出烘干， 并自然冷却到室温；
具体操作如下： 首先将玻璃管完全浸泡在酸液中， 酸液为氢氟酸， 氢 氟酸与水的比例为 1 : 80， PH值在 7〜8之间， 浸泡时间 2〜3分钟， 然 后取出清洗后再用纯水浸泡， 纯水电导率小于 6us/cm， 浸泡时间 2〜3分 钟， 从而彻底消除残留酸液， 最后将洗净的玻璃管放入烘机内烘烤， 5分 钟内将烘烤温度至 70°C，接着保温 10分钟后， 自然冷却到室温并传入下 一工序。 该步骤主要是将玻璃管清洗干净， 保证玻璃管内壁无杂质残留， 并且保证玻璃管内壁干燥， 无尘埃。
2) 涂膜： 往玻璃管内倒入膜溶液， 膜溶液为浓度 12%的氧化铝溶 液， 待膜溶液均匀粘附在玻璃管内壁后， 放在烘干机内烘干， 再擦掉玻璃管两端边缘的膜层；
具体操作如下：将膜溶液用双层 100目滤网过滤备用，然后将膜溶液 倒入玻璃管内，当玻璃管内待涂部位粘附到膜溶液后，将玻璃管倒置待膜 层均匀粘附在玻璃管内壁， 然后将已涂敷好膜的玻璃管放在烘干机内烘 干，所述的烘干机为隧道式烤炉，其内部分为四个区，温度分别为 190°C、 200°C、 180°C、 190°C， 产品在每个区的停留时间分别为 5分钟、 5分钟、 7分钟、 7分钟，烘干完成后擦掉玻璃管两端边缘的膜层并传入下一工序。 该步骤主要是提高玻璃管内壁的平整度以及致密度，以保证涂粉工序的粘 附均匀性。
3) 涂粉： 往玻璃管内倒入粘度 30 Pa« s、 比重 1. 5的荧光粉浆， 待 荧光粉浆均匀粘附在玻璃管内壁后， 放在烘干机内烘干， 再擦 掉玻璃管两端边缘的粉层；
具体操作如下： 准备好荧光粉浆， 然后将荧光粉浆倒入玻璃管内， 当 玻璃管内待涂部位粘附到荧光粉浆后，将玻璃管倒置待荧光粉浆均匀粘附 在玻璃管内壁，然后将已涂敷好荧光粉浆的玻璃管放在烘干机内烘干，所 述的烘干机为隧道式烤炉， 其内部分为四个区， 温度分别为 190°C、 200 °C、 180°C、 190°C， 产品在每个区的停留时间分别为 15分钟、 15分钟、 27分钟、 27分钟， 烘干完成后擦掉玻璃管两端边缘的粉层并传入下一工 序。
4) 烤粉： 将玻璃管放入烤管机内， 使玻璃管管口对准通风管口， 开启加热开关及风机进行烘烤， 烘烤后自然冷却到室温； 具体操作如下：将玻璃管放入烤管机内，使玻璃管管口对准通风管口， 开启加热开关， 平均三段升温， 每段升温时间 10分钟， 其间保温 3分钟， 当温度上升至 680 °C时， 打开风机， 再以平均三段升温， 每段升温时间 10 分钟， 其间保温 3分钟， 当温度上升至 750°C时， 开始保温， 保温时间为 60分钟， 保温结束后关闭加热、 风机， 自然冷却到室温并传入下一工序。 该步骤主要是采用高温氧化并采用风机除去荧光粉内的杂质。
5) 擦粉： 擦去玻璃管端口内外以及排气管内的荧光粉， 抖去管内 的残留粉粒和异物；
具体操作如下：首先用纱布擦去玻璃管端口内外的荧光粉，管口擦粉 长度： 40W ： 5〜6 mm; 80W〜150W: 7〜8mm ， 200W〜300W ： 8〜10mm然 后带棉球的细铁丝擦去排气管内的荧光粉，接着端口朝下轻轻抖去管内的 残留粉粒和异物， 擦好粉的玻璃管传入下一工序。
6) 对接： 取配对好的玻璃管， 先用温度为 600°C〜800°C的副火枪 预热 3〜5秒， 最佳温度为： 900°C， 再用温度为 900〜1100°C的 主火枪进行烧接， 最佳温度为： 1000 °C， 烧接完毕后再用副火 枪进行 5〜10秒的初步退火；
该步骤主要是将灯管两半焊接成管壳， 在进行初步的退火消除应力。
7) 退火： 将烧接好的管壳放入隧道式烤炉内进行高温退火消除应 力。
本步骤使用的烘干机为隧道式烤炉，其内部分为三个区，三区温度设 定分别为一区 500°C、 二区 780°C、 三区 700°C， 产品在每个区的停留时 间均为 10分钟。
本发明在涂粉工艺之前，增加了涂膜工艺，该步骤主要是提高玻璃管 内壁的平整度以及致密度， 以保证涂粉工序的粘附均匀性； 另外， 本发明 在涂膜、涂粉、烤粉工艺都采用了多段温控设计，从而有效保证涂层厚度， 提高生产率达 50%, 而且在烤粉工艺中， 增加了风机对准玻璃管管口， 从 而增加了氧气入口， 提高烤粉效率， 最后本发明在对接后， 对接合处进行 高温退火消除应力， 综上以上因素， 从而有效改善无极灯在光效、光衰和 使用寿命方面的表现。

Claims

权 利 要 求 书
1.一种无极灯玻璃管壳的制造工艺， 其特征在于： 工艺步骤如下
1 ) 洗管： 将玻璃管浸泡在酸液中， 取出清洗后再用纯水浸泡， 然 后取出烘干， 并自然冷却到室温；
2) 涂膜： 往玻璃管内倒入膜溶液， 膜溶液为浓度 12%的氧化铝溶 液， 待膜溶液均匀粘附在玻璃管内壁后， 放在烘干机内烘干, 再擦掉玻璃管两端边缘的膜层；
3)涂粉： 往玻璃管内倒入粘度 30Pa*s、 比重 1. 5的荧光粉浆， 待 荧光粉浆均匀粘附在玻璃管内壁后， 放在烘干机内烘干， 再 擦掉玻璃管两端边缘的粉层；
4) 烤粉： 将玻璃管放入烤管机内， 使玻璃管管口对准通风管口， 开启加热开关及风机进行烘烤， 烘烤后自然冷却到室温；
5) 擦粉： 擦去玻璃管端口内外以及排气管内的荧光粉， 抖去管内 的残留粉粒和异物； ，
6) 对接： 取配对好的玻璃管， 先用温度为 600°C〜80(TC的副火枪 预热 3〜5秒， 再用温度为 900〜1100°C的主火枪进行烧接， 烧接完毕后再用副火枪进行 5〜： 10秒的初步退火；
7) 退火： 将烧接好的管壳放入隧道式烤炉内进行高温退火消除应 力。
2.根据权利要求 1所述的一种无极灯玻璃管壳的制造工艺， 其特征在于: 所述步骤 1 ) 所述的酸液为氢氟酸， 氢氟酸与水的比例为 1 : 80。
3.根据权利要求 1所述的一种无极灯玻璃管壳的制造工艺， 其特征在于:
6
更正页 （细则第 91条) 所述步骤 1 )所用的纯水其电导率小于 6us/cm，产品浸泡时间 2〜3分钟。
4.根据权利要求 1所述的一种无极灯玻璃管壳的制造工艺， 其特征在于 : 所述步骤 1 )所述烘干温度为 5分钟内将烘烤温度升至 70°C，接着保温 10 分钟。
5.根据权利要求 1所述的一种无极灯玻璃管壳的制造工艺， 其特征在于: 所述步骤 2)所述膜溶液用双层 100目滤网过滤备用。
6.根据权利要求 1所述的一种无极灯玻璃管壳的制造工艺， 其特征在于: 所述步骤 2)所述烘干机为隧道式烤炉， 其内部分为四个区， 温度分别为 190°C、 200°C、 180°C 190°C，产品停留时间分别为 5分钟、 5分钟、 7 分钟、 7分钟。
7.根据权利要求 1所述的一种无极灯玻璃管壳的制造工艺， 其特征在于： 所述步骤 3)所述烘干机为隧道式烤炉， 其内部分为四个区， 温度分别为 190°C、 200°C、 18(TC、 190°C , 产品停留时间分别为 15分钟、 15分钟、 27分钟、 27分钟。
8.根据权利要求 1所述的一种无极灯玻璃管壳的制造工艺， 其特征在于: 所述步骤 4) 的烘烤过程为： 开启加热开关， 当温度上升至 680°C时， 打 开风机， 当温度上升至 750°C时， 开始保温， 保温时间为 60分钟， 保温 结束后关闭加热及风机。
9.根据权利要求 1所述的一种无极灯玻璃管壳的制造工艺，其特征在于: 所述步骤 7)所用的烘干机为隧道式烤炉， 其内部分为三个区， 三区温度 设定分别为一区 500°C、 二区 780° (、 三区 700°C， 产品在每个区的停留 时间均为 10分钟。 更正页 （细则第 91条）
PCT/CN2012/075959 2012-05-23 2012-05-23 一种无极灯玻璃管壳的制造工艺 WO2013173990A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US14/403,192 US20150101367A1 (en) 2012-05-23 2012-05-23 Technique for manufacturing glass tube case of electrodeless lamp
PCT/CN2012/075959 WO2013173990A1 (zh) 2012-05-23 2012-05-23 一种无极灯玻璃管壳的制造工艺

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/075959 WO2013173990A1 (zh) 2012-05-23 2012-05-23 一种无极灯玻璃管壳的制造工艺

Publications (1)

Publication Number Publication Date
WO2013173990A1 true WO2013173990A1 (zh) 2013-11-28

Family

ID=49623014

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/075959 WO2013173990A1 (zh) 2012-05-23 2012-05-23 一种无极灯玻璃管壳的制造工艺

Country Status (2)

Country Link
US (1) US20150101367A1 (zh)
WO (1) WO2013173990A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106423771A (zh) * 2016-11-16 2017-02-22 山东交通学院 一种直管荧光灯洗涂工艺
CN110828258A (zh) * 2019-09-27 2020-02-21 惠州市百欧森环保新材料有限公司 紫外线灯生产工艺

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004095405A (ja) * 2002-08-30 2004-03-25 Matsushita Electric Ind Co Ltd 蛍光ランプの製造方法
CN101404235A (zh) * 2008-11-13 2009-04-08 河南皓洁绿色照明工程有限公司 一种高频无极灯的荧光粉涂覆工艺
CN201708132U (zh) * 2010-04-19 2011-01-12 嘉兴市旷逸新光源科技有限公司 一种内涂层灯管
CN102219353A (zh) * 2011-03-30 2011-10-19 苏州东大光普科技有限公司 采用一次成型技术制造低频无极灯泡壳的方法
CN102683138A (zh) * 2012-05-11 2012-09-19 广东电力士照明科技有限公司 一种无极灯玻璃管壳的制造工艺

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2449637A (en) * 1946-09-06 1948-09-21 Gen Electric Method and apparatus for manufacturing fluorescent lamps
JP3322390B2 (ja) * 1998-03-20 2002-09-09 松下電器産業株式会社 蛍光灯の製造方法
TW592837B (en) * 2003-04-25 2004-06-21 Chung Shan Inst Of Science Photo-catalyst-coated air-cleaning fluorescent lamp and method for producing the same
JP4788944B2 (ja) * 2005-03-18 2011-10-05 株式会社フジクラ 粉末状蛍光体とその製造方法、発光デバイス及び照明装置
JP4673675B2 (ja) * 2005-06-08 2011-04-20 株式会社 日立ディスプレイズ 外部電極放電管，バックライト装置及び画像表示装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004095405A (ja) * 2002-08-30 2004-03-25 Matsushita Electric Ind Co Ltd 蛍光ランプの製造方法
CN101404235A (zh) * 2008-11-13 2009-04-08 河南皓洁绿色照明工程有限公司 一种高频无极灯的荧光粉涂覆工艺
CN201708132U (zh) * 2010-04-19 2011-01-12 嘉兴市旷逸新光源科技有限公司 一种内涂层灯管
CN102219353A (zh) * 2011-03-30 2011-10-19 苏州东大光普科技有限公司 采用一次成型技术制造低频无极灯泡壳的方法
CN102683138A (zh) * 2012-05-11 2012-09-19 广东电力士照明科技有限公司 一种无极灯玻璃管壳的制造工艺

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106423771A (zh) * 2016-11-16 2017-02-22 山东交通学院 一种直管荧光灯洗涂工艺
CN110828258A (zh) * 2019-09-27 2020-02-21 惠州市百欧森环保新材料有限公司 紫外线灯生产工艺

Also Published As

Publication number Publication date
US20150101367A1 (en) 2015-04-16

Similar Documents

Publication Publication Date Title
CN102683138B (zh) 一种无极灯玻璃管壳的制造工艺
WO2013173990A1 (zh) 一种无极灯玻璃管壳的制造工艺
CN108775774B (zh) 一种金丝楠阴沉木微波对流联合干燥方法
WO2013127226A1 (zh) 一种机器喷涂用无极灯水涂粉及其制备和喷涂方法
CN103000500A (zh) 一种二极管制造的深扩散工艺
CN102983072B (zh) 一种低破片率二极管的扩散方法
CN204227859U (zh) 一种臭氧杀菌的干燥灭菌烘箱
CN208995631U (zh) 一种网带式光亮退火炉
CN103820963A (zh) 一种带有烘箱的定型机
CN104456994A (zh) 一种太阳能真空集热管生产工艺
CN203673896U (zh) 中速立式漆包机烘炉连续催化燃烧装置
CN103367076A (zh) 一种无极灯泡制造工艺
CN202653312U (zh) 红外线烘箱
CN201270233Y (zh) 荧光灯烤管机废热回收再利用装置
WO2013123621A1 (zh) 低光亮镀膜透红外线卤素加热管的制备工艺
CN209271842U (zh) 一种铝型材喷涂固化炉
CN104305509B (zh) 一种密集烤房余热循环除湿节能系统及其应用
CN207786992U (zh) 一种车用地毯加工用烘干装置
CN208832942U (zh) 高效茶叶杀菌烘干机
CN215952154U (zh) 一种高效烘干装置
CN202993754U (zh) 一种结构改良的工业烤箱
CN201732756U (zh) 上粉、烤管一体机
CN106123361A (zh) 一种太阳能真空集热管及其生产工艺
CN206269561U (zh) 一种电泳涂装烘干设备
CN108180644A (zh) 一种太阳能集热管的加工方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12877119

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 14403192

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12877119

Country of ref document: EP

Kind code of ref document: A1