WO2011134346A1 - 一种浮法玻璃锡面鉴别仪器 - Google Patents

一种浮法玻璃锡面鉴别仪器 Download PDF

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Publication number
WO2011134346A1
WO2011134346A1 PCT/CN2011/072657 CN2011072657W WO2011134346A1 WO 2011134346 A1 WO2011134346 A1 WO 2011134346A1 CN 2011072657 W CN2011072657 W CN 2011072657W WO 2011134346 A1 WO2011134346 A1 WO 2011134346A1
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WIPO (PCT)
Prior art keywords
float glass
tin surface
gas discharge
discharge lamp
tin
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PCT/CN2011/072657
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English (en)
French (fr)
Inventor
张喆民
Original Assignee
北京奥博泰科技有限公司
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Application filed by 北京奥博泰科技有限公司 filed Critical 北京奥博泰科技有限公司
Priority to US13/380,865 priority Critical patent/US8729504B2/en
Priority to RU2011152467/04A priority patent/RU2497103C2/ru
Priority to EP11774337.7A priority patent/EP2565626B1/en
Priority to KR1020127001374A priority patent/KR101303261B1/ko
Publication of WO2011134346A1 publication Critical patent/WO2011134346A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/29—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using visual detection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6447—Fluorescence; Phosphorescence by visual observation

Definitions

  • the present invention relates to optical detection techniques for float glass, and more particularly to a float glass tin surface discrimination instrument. Background technique
  • the forming process of the float glass is carried out in a tin bath through which a protective gas is introduced, specifically: molten glass continuously flows from the kiln and floats on the surface of the relatively dense tin liquid, in gravity and surface tension Under the action of the glass liquid, the liquid is spread on the tin liquid surface, flattened, hardened, cooled and then annealed to obtain a flat glass product.
  • a protective gas specifically: molten glass continuously flows from the kiln and floats on the surface of the relatively dense tin liquid, in gravity and surface tension Under the action of the glass liquid, the liquid is spread on the tin liquid surface, flattened, hardened, cooled and then annealed to obtain a flat glass product.
  • the surface of the float glass which has been infiltrated with tin has many characteristics, it affects the further deep processing of the float glass, such as: screen printing, coating, bending and tempering, and large-area flat tempering, so that the float can be accurately judged.
  • the tin surface of the glass is very important.
  • the tin on the tin surface of the float glass exists in three valence states: Sn°, Sn 2+ and Sn 4+ .
  • the tin element produces an excited state after absorbing appropriate light energy.
  • the excited state is unstable and will decay to the ground state very quickly.
  • the excited state is often accompanied by photon radiation, that is, photoluminescence, when returning to the ground state. Fluorescence belongs to the photoluminescence phenomenon of molecules.
  • the float glass tin surface identification instrument which has been introduced in the existing market is internally provided with a hot cathode gas discharge lamp which emits ultraviolet light.
  • the tin surface identification instrument is irradiated upward from the bottom of the float glass, and the hot cathode gas discharge lamp in the tin surface identification instrument emits ultraviolet light, according to the ultraviolet photoluminescence phenomenon of the tin element in the float glass, if
  • the close side of the tin surface identification instrument is the tin surface of the float glass.
  • the tin surface When the tin surface is irradiated by ultraviolet light, it will produce ultraviolet photoluminescence, which will emit white fluorescence.
  • the human eye can see white fluorescence from the upper surface of the glass. If the side that is in close contact with the tin-side identification device is not the tin surface of the float glass, then ultraviolet photoluminescence will not occur, and the human eye will not see white fluorescence.
  • the existing tin surface identification instrument has a certain detection effect, since the hot cathode gas discharge lamp emits ultraviolet light, it is accompanied by interference of visible light and visible light, so that the white fluorescent effect produced by the tin surface is not obvious. It may take a long time for the detector to distinguish whether or not white fluorescence is generated, which greatly reduces the detection efficiency, and the ultraviolet light itself is harmful to the human body, and the long-term observation is not beneficial to the observer's health. In addition, the process of ultraviolet light to the white fluorescence generated by the tin surface is short-lived, and if not observed in time, it will affect the tester's judgment on the test result. Summary of the invention
  • the invention provides a float glass tin surface identification instrument, comprising: a casing, a gas discharge lamp and a power source, a gas discharge lamp and a power source are disposed in the casing, and the casing is provided with illumination corresponding to the position of the gas discharge lamp tube
  • the window, the inner side or the outer side surface of the illumination window is provided with an identifier for absorbing ultraviolet light. Or UV tube.
  • the gas discharge lamp tube has an arbitrary shape.
  • a filter is further disposed between the gas discharge lamp tube and the illumination window.
  • the ultraviolet light-absorbing mark is disposed on an inner side or an outer side surface of the filter.
  • the identifier for absorbing ultraviolet light is disposed on an inner side surface of the illumination window.
  • the identification may be set by printing, pasting, coating or etching.
  • the logo is of any shape, including graphics, characters, letters, numbers, and combinations thereof.
  • the identification instrument of the invention is provided with a mark capable of absorbing ultraviolet light.
  • a mark capable of absorbing ultraviolet light.
  • the service life of the tin surface identification instrument can be greatly increased.
  • the filter disposed on the outer surface of the tin-side identification instrument can reflect and absorb the visible light emitted by the cold cathode gas discharge lamp, the white fluorescent effect produced by the tin surface is more obvious.
  • Figure 1 is a front elevational view showing the outline of the outer surface of the tin surface discrimination instrument of the present invention
  • Fig. 2 is an external front view showing a side of a filter on the outer surface of the tin masking apparatus of the present invention. detailed description
  • the basic idea of the invention is: setting an identifier capable of absorbing ultraviolet light on the identification instrument, and correspondingly identifying Since the tin surface of the position is not irradiated with ultraviolet light, it will not emit white fluorescence, and the color is dark. It is in sharp contrast with the area where the white surface of the tin surface irradiated by ultraviolet light produces white fluorescence, allowing the user to directly look at the float glass. To the set logo, the identification effect of the tin surface is more obvious.
  • the inside of the tin surface identification instrument housing 3 of the present invention mainly comprises: a printed circuit board 2 disposed on the printed circuit board 2
  • the cold cathode gas discharge lamp tube 5 can be bent arbitrarily to form any different shape.
  • the cold cathode gas discharge lamp tube 5 is powered by the lithium battery 1 after being powered by the driver, and is accompanied by a small amount of visible light, and the filter 7 can reflect and absorb the visible light emitted by the cold cathode gas discharge lamp tube 5. So that only ultraviolet light is finally irradiated onto the float glass. That is, when the tin surface of the float glass is identified using the tin surface discrimination instrument of the present invention, if it is irradiated onto the float glass and white fluorescence is observed, the surface is a tin surface; otherwise it is not a tin surface.
  • the invention is provided with a switch indicator light 4 on one side of the tin surface identification instrument housing 3, and when the lithium battery 1 supplies power to the cold cathode gas discharge lamp 5, that is, when the tin surface identification instrument is used, the switch indicator light 5 bright.
  • the invention can also be provided with an identifier 6 for absorbing ultraviolet light on the inner side of the filter 7, and the shape of the marker 6 can be changed at will, for example: a graphic, a character, a letter, a number, etc. can be used;
  • the method can be printing, pasting, coating or etching.
  • the logo 6 is generally placed at the center of the filter 7.
  • the filter window may not be provided with a filter, but instead of a glass plate or the filter is placed close to the inner surface of the glass plate, and the mark 6 may be correspondingly disposed on the inner side or the outer side surface of the glass piece. .
  • FIG. 2 is an external front view showing a side of a filter on the outer surface of the tin surface identification instrument of the present invention.
  • the ultraviolet light emitted from the cold cathode gas discharge lamp 5 is transmitted from the filter 7, and the cold cathode gas is discharged.
  • the visible light emitted by the lamp 5 is reflected and absorbed by the filter ;; the mark 6 absorbs the ultraviolet light emitted by the cold cathode gas discharge lamp 5, that is, the filter 7 does not emit ultraviolet light at the corresponding position where the mark 6 is disposed. Light.
  • the tin surface identification device illuminates the tin surface of the float glass, the tin surface corresponding to the position of the mark 6 does not emit white fluorescence due to the absence of ultraviolet light, and the color is dark, and the tin surface surrounded by the ultraviolet light is irradiated.
  • the resulting white fluorescent areas are in sharp contrast, making the identification of the tin surface more visible.
  • the lithium battery in this embodiment can also be replaced by other types of batteries, and the cold cathode gas discharge lamp can be replaced by other types of ultraviolet lamps.

Description

一种浮法玻璃锡面鉴别仪器
技术领域
本发明涉及浮法玻璃的光学检测技术， 尤其涉及一种浮法玻璃锡面鉴别仪 器。 背景技术
目前， 浮法玻璃的成型过程是在通入保护气体的锡槽中完成的， 具体为： 熔融玻璃从池窑中连续流入并漂浮在相对密度较大的锡液表面上， 在重力和表 面张力的作用下， 玻璃液在锡液面上铺开、 摊平， 硬化、 冷却后再经退火等操 作得到平板玻璃产品。 在上述浮法玻璃的成型过程中， 由于高温熔融的玻璃是 漂浮在锡液上的， 因此， 在玻璃的下表面将会渗入一定量的锡， 使玻璃的其中 一面变为 4易面。
由于浮法玻璃渗有锡的一面具有^ ί艮多特性， 影响对浮法玻璃的进一步深加 工， 如： 丝网印刷、 镀膜、 弯钢化和大面积平钢化等， 因此， 能准确判断出浮 法玻璃的锡面非常重要。
浮法玻璃锡面的锡以 Sn°、 Sn2+和 Sn4+三种价态形式存在。锡元素在吸收适当 光能后， 会产生激发态。 激发态不稳定， 将很快衰变到基态。 激发态在返回基 态时常伴随光子的辐射， 也就是光致发光现象。 荧光属于分子的光致发光现象。
现有市场中已推出的浮法玻璃锡面鉴别仪器， 在内部装有发出紫外光的热 阴极气体放电灯管。 在实际应用时， 将锡面鉴别仪器从浮法玻璃下面向上照射， 锡面鉴别仪器中的热阴极气体放电灯管发出紫外光， 根据浮法玻璃中锡元素的 紫外光致发光现象， 如果与锡面鉴别仪器紧贴的一面是浮法玻璃的锡面， 则锡 面被紫外光照射后会产生紫外光致发光现象， 发出白色荧光， 人眼从玻璃上表 面俯视观察可看到白色荧光； 如果与锡面鉴别仪器紧贴的一面不是浮法玻璃的 锡面， 那么， 不会产生紫外光致发光现象， 人眼则不会看到白色荧光。
虽然现有的锡面鉴别仪器有一定的检测效果， 但是由于热阴极气体放电灯 管在发射紫外线的同时， 还会伴有可见光， 可见光的干扰， 使得锡面产生的白 色荧光效果很不明显， 检测者可能需要很长时间才能分辨出是否有白色荧光产 生， 如此大大降低了检测效率， 而且紫外线本身对于人体存在危害， 长时间观 测不益于观测者的身体健康。 此外， 紫外光照射到锡面产生的白色荧光的过程 是短暂的， 如果不及时观测会影响检测者对检测结果的判断。 发明内容
有鉴于此， 本发明的主要目的在于提供一种浮法玻璃锡面鉴别仪器， 可提 高浮法玻璃的锡面鉴别效果以及鉴别效率。
为达到上述目的， 本发明的技术方案是这样实现的：
本发明提供了一种浮法玻璃锡面鉴别仪器， 包括： 外壳、 气体放电灯管和 电源， 气体放电灯管和电源置于外壳中， 外壳上与气体放电灯管的位置对应处 设置有照射窗， 照射窗的内侧或外侧表面设置有吸收紫外光的标识。 或紫外线灯管。 、' ' ' ' 进一步， 所述气体放电灯管为任意形状。
进一步， 所述气体放电灯管和照射窗之间还设置有滤光片。
进一步， 所述吸收紫外光的标识设置在滤光片的内侧或外侧表面。
进一步， 所述吸收紫外光的标识设置在照射窗的内侧表面。
进一步， 所述标识的设置方式可为印刷、 粘贴、 涂覆或刻蚀。
进一步， 所述标识为任意形状， 包括图形、 字符、 字母、 数字以及上述的 组合。
本发明的鉴别仪器上设置可吸收紫外光的标识， 应用过程中， 在锡面鉴别 仪器照射浮法玻璃的锡面时， 标识对应位置的锡面由于没有紫外光的照射， 则 不会发出白色荧光， 颜色较暗， 与周围被紫外光照射的锡面产生白色荧光的区 域形成鲜明对比， 可使用户直接在浮法玻璃上看到所设置的标识， 使得锡面的 鉴别效果更加明显； 此外， 此种方式消除了可见光对鉴别结果的影响， 可以省 去滤光片， 使整个装置的结构更为简单， 降低了成本。 由于冷阴极气体放电灯管的使用寿命长， 因而可大大增加锡面鉴别仪器的使用 寿命。 另外， 由于在锡面鉴别仪器外壳上设置的滤光片可反射和吸收冷阴极气 体放电灯管发射的可见光， 进而使锡面产生的白色荧光效果更明显。 附图说明
图 1为本发明锡面鉴别仪器外壳剖面及内部基本结构正视图；
图 2为本发明锡面鉴别仪器外壳上设置有滤光片一侧的外部正视图。 具体实施方式
本发明的基本思想是： 在鉴别仪器上设置可吸收紫外光的标识， 标识对应 位置的锡面由于没有紫外光的照射， 则不会发出白色荧光， 颜色较暗， 与周围 被紫外光照射的锡面产生白色荧光的区域形成鲜明对比， 可使用户直接在浮法 玻璃上看到所设置的标识， 使得锡面的鉴别效果更加明显。
下面结合附图及具体实施例对本发明作进一步详细说明。
图 1为本发明锡面鉴别仪器外壳剖面及内部基本结构正视图， 如图 1所示， 本发明锡面鉴别仪器外壳 3 内部主要包括： 印制电路板 2、 设置在印制电路板 2 上的锂电池 1和冷阴极气体放电灯管 5等；在外壳 3上与冷阴极气体放电灯管 5 对应的位置设置滤光片 7。 其中， 所述冷阴极气体放电灯管 5可任意弯曲， 形成 任意不同的形状。
在实际应用中， 冷阴极气体放电灯管 5被锂电池 1经驱动器供电后发射紫 外光， 并伴有少量可见光， 滤光片 7 可反射和吸收所述冷阴极气体放电灯管 5 发射的可见光， 使得最终仅剩紫外光照射到浮法玻璃上。 也就是说， 当使用本 发明的锡面鉴别仪器鉴别浮法玻璃的锡面时， 如果照射到浮法玻璃上， 看到的 是白色荧光， 则此面是锡面； 否则不是锡面。
本发明在所述锡面鉴别仪器外壳 3的一侧设置有开关指示灯 4,锂电池 1给 冷阴极气体放电灯管 5供电时， 也就是锡面鉴别仪器被使用时， 开关指示灯 5 会亮。
本发明在紧贴所述滤光片 7的内侧还可以设置可吸收紫外光的标识 6,标识 6的形状可随意改变， 比如： 可釆用图形、 字符、 字母、 数字等形式； 标识 6设 置的方法可为印刷、 粘贴、 涂覆或刻蚀等。 为了便于使用， 标识 6—般设置于 滤光片 7 的中心位置。 此外， 为了降低成本的考虑， 照射窗处也可以不设置滤 光片 Ί而是以玻璃片代替或者滤光片紧贴玻璃片内侧表面设置， 标识 6可以相 应的设置在玻璃片内侧或外侧表面。
图 2 为本发明锡面鉴别仪器外壳上设置有滤光片一侧的外部正视图， 实际 应用时， 冷阴极气体放电灯管 5发射的紫外光从滤光片 7透射出， 冷阴极气体 放电灯管 5发射的可见光被滤光片 Ί反射和吸收； 标识 6吸收冷阴极气体放电 灯管 5发射的紫外光， 也就是说， 滤光片 7在设置有标识 6的相应位置不会发 出紫外光。 这样， 在锡面鉴别仪器照射浮法玻璃的锡面时， 标识 6对应位置的 锡面由于没有紫外光的照射， 则不会发出白色荧光， 颜色较暗， 与周围被紫外 光照射的锡面产生的白色荧光区域形成鲜明对比， 使得锡面的鉴别效果更加明 显。 此外， 本实施例中的锂电池也可以用现有其他类型的电池替代， 冷阴极气 体放电灯管可以用现有其他类型的紫外线灯管替代。
以上所述， 仅为本发明的较佳实施例而已， 并非用于限定本发明的保护范 围， 凡在本发明的精神和原则之内所作的任何修改、 等同替换和改进等， 均应 包含在本发明的保护范围之内。

Claims

权利要求
1、 一种浮法玻璃锡面鉴别仪器， 包括： 外壳、 气体放电灯管和电源， 气体 放电灯管和电源置于外壳中， 外壳上与气体放电灯管的位置对应处设置有照射 窗， 其特征在于， 照射窗的内侧或外侧表面设置有吸收紫外光的标识。
2、 如权利要求 1所述的浮法玻璃锡面鉴别仪器， 其特征在于， 所述气体放
3、 如权利要求 1所述的浮法玻璃锡面鉴别仪器， 其特征在于， 所述气体放 电灯管为任意形状。
4、 如权利要求 1所述的浮法玻璃锡面鉴别仪器， 其特征在于， 所述气体放 电灯管和照射窗之间还设置有滤光片。
5、 如权利要求 4所述的浮法玻璃锡面鉴别仪器， 其特征在于， 所述吸收紫 外光的标识设置在滤光片的内侧或外侧表面。
6、 如权利要求 1所述的浮法玻璃锡面鉴别仪器， 其特征在于， 所述吸收紫 外光的标识设置在照射窗的内侧表面。
7、 如权利要求 1、 5、 6任一所述的浮法玻璃锡面鉴别仪器， 其特征在于， 所述标识的设置方式可为印刷、 粘贴、 涂覆或刻蚀。
8、 如权利要求 7所述的浮法玻璃锡面鉴别仪器， 其特征在于， 所述标识为 任意形状， 包括图形、 字符、 字母、 数字以及上述的组合。
PCT/CN2011/072657 2010-04-30 2011-04-12 一种浮法玻璃锡面鉴别仪器 WO2011134346A1 (zh)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US13/380,865 US8729504B2 (en) 2010-04-30 2011-04-12 Identification device for tin surface of float glass
RU2011152467/04A RU2497103C2 (ru) 2010-04-30 2011-04-12 Устройство опознавания оловянной поверхности флоат-стекла
EP11774337.7A EP2565626B1 (en) 2010-04-30 2011-04-12 Identification device for tin surface of float glass
KR1020127001374A KR101303261B1 (ko) 2010-04-30 2011-04-12 플로트 유리의 주석면 확인 장치

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2010201821239U CN201653897U (zh) 2010-04-30 2010-04-30 一种浮法玻璃锡面鉴别仪器
CN201020182123.9 2010-04-30

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CN201653897U (zh) 2010-04-30 2010-11-24 北京奥博泰科技有限公司 一种浮法玻璃锡面鉴别仪器
CN102636460A (zh) * 2012-04-13 2012-08-15 安徽鑫昊等离子显示器件有限公司 一种等离子显示器用玻璃基板检测系统及方法
JP6360395B2 (ja) * 2014-09-11 2018-07-18 国立研究開発法人産業技術総合研究所 蛍光ランプ種類識別装置および識別方法
CN105572080B (zh) * 2015-12-18 2018-03-09 河南理工大学 非接触式浮法玻璃锡面自动识别装置及方法
CN106770239B (zh) * 2016-12-09 2019-03-05 重庆市三星精艺玻璃股份有限公司 一种玻璃板标记方法
CN106706618B (zh) * 2016-12-09 2019-03-05 重庆市三星精艺玻璃股份有限公司 一种夹层玻璃生产用标记工具
CN110763643A (zh) * 2019-10-11 2020-02-07 赣州市德普特科技有限公司 利用uv光照度区分浮法玻璃锡面的装置与方法

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KR20120018382A (ko) 2012-03-02
RU2011152467A (ru) 2013-06-27
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EP2565626B1 (en) 2018-06-06

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