WO2015010357A1 - 一种自动除雾玻璃及制备方法 - Google Patents

一种自动除雾玻璃及制备方法 Download PDF

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WO2015010357A1
WO2015010357A1 PCT/CN2013/083211 CN2013083211W WO2015010357A1 WO 2015010357 A1 WO2015010357 A1 WO 2015010357A1 CN 2013083211 W CN2013083211 W CN 2013083211W WO 2015010357 A1 WO2015010357 A1 WO 2015010357A1
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glass
conductive film
temperature control
temperature
automatic defogging
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PCT/CN2013/083211
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English (en)
French (fr)
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蒋昊
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Jiang Hao
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Publication of WO2015010357A1 publication Critical patent/WO2015010357A1/zh

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/84—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0227—Applications
    • H05B1/023—Industrial applications
    • H05B1/0236—Industrial applications for vehicles

Definitions

  • the invention relates to an automatic defogging glass and a preparation method thereof, and belongs to the technical field of glass manufacturing.
  • the invention patent application filed as CN1236745A discloses a method for producing an electrically conductive heat-eliminating glass, specifically: a cathode sputtering vacuum coating method.
  • the polyethylene film is plated with a metal oxide layer having a suitable electrical resistance to obtain a defogging plastic film; the float glass is cleaned; after the cleaned glass is to be dried, the defogging plastic film is attached to the float glass with an adhesive.
  • the surface is printed with metal electrodes on both ends of the glass on which the defogging plastic film is attached.
  • the invention patent disclosed in CN101186449B discloses a multi-film coated glass and a preparation method thereof, comprising the following steps: A, selecting a glass; B, a magnetron sputtering coating machine plating an indium tin oxide alloy film on the surface of the glass sheet. C, using a vacuum coating machine on the surface of the indium tin oxide alloy film plating; D, using a vacuum coating machine on the surface of the overcoating silver film; E, using a vacuum coating machine on the surface of the silver film plating protective film.
  • the purpose of this patent document is to solve the problem that the thickness of indium tin oxide affects the light transmittance of the film layer and the heating rate. This method has many processes and high production costs.
  • the present invention provides an automatic defogging glass with a simple structure, safe use, and convenient processing, and a preparation method.
  • a method for preparing an automatic defogging glass comprises the following steps:
  • the conductive film has a resistance of 40 to 50 ⁇ .
  • the conductive film is one of aluminum, silver, copper, chromium or a combination thereof.
  • the surface of the glass is plated with a conductive film having a resistance value of 40 to 50 ⁇ ; after plating the conductive film, the visible transmittance of the glass is not affected, and the range of visible transmittance can be 1% to 98% according to actual needs.
  • the glass is also provided with a temperature control system, the temperature control system includes a temperature control board, and two temperature probes are mounted on the glass on the temperature control board, wherein one temperature probe is used for detecting the glass The temperature is another temperature probe for detecting the temperature outside the glass; the temperature control system further includes a power board electrically connected to the temperature control board and the conductive film provided on the glass.
  • the conductive film is one of aluminum, silver, copper, chromium or a combination thereof.
  • the invention has the beneficial effects that the invention overcomes the environmental pollution caused by the original method of spraying the halogen element directly on the surface of the red hot glass in the glass process, and the defogging effect caused by the uneven spraying is not satisfactory.
  • the invention also provides an automatic defogging glass with a temperature control system, which can automatically sense the temperature difference between the front and back sides of the glass, so that the temperature of the front and back sides of the glass is always able to fog. Outside the temperature range, the problem of glass fog formation is solved in essence, and the structure is simple, but the heating effect is obvious and the degree of intelligence is high.
  • Figure 1 is a schematic diagram of a temperature control system of the present invention.
  • a method for preparing an automatic defogging glass comprises the steps of: preparing a glass substrate, performing cutting and cleaning; and plating a conductive film on the surface of the glass substrate by magnetron sputtering, and the conductive film is integrated into the glass substrate Internally, no additional thickness is produced.
  • the conductive film has a resistance value of 40 to 50 ⁇ .
  • the conductive film is one of aluminum, silver, copper, chromium or a combination thereof, and may also be a transparent conductive material such as a nano or non-nano substance.
  • An automatic defogging glass the surface of the glass is plated with a conductive film having a resistance value of 40 to 50 ⁇ . After the conductive film is plated, the visible transmittance of the glass is not affected, and the range of the visible transmittance can be 1 according to actual needs. Adjust from % to 98% of the visible range.
  • a conductive film is deposited on the surface of the glass substrate by a magnetron sputtering coating method, and the conductive film is one of aluminum, silver, copper, and chromium or a combination thereof.
  • the glass 1 is further provided with a temperature control system, as shown in FIG.
  • the temperature control system includes a temperature control board 2, and the temperature control board 2 is provided with two temperature probes 3 mounted on the glass 1, one of which is a temperature probe 3 is for detecting the temperature of the glass 1, and the other temperature probe 3 is for detecting the temperature outside the glass 1.
  • the temperature control system further includes a power board 4 electrically connected to the temperature control board 2 and the conductive film disposed on the glass 1.
  • the power board 4 is provided with a metal foil electrode 5 directly attached to the conductive film without soldering or The screen printing electrode is very convenient to assemble.
  • the power board 4 provides 36V or 45V DC or AC to the conductive film for heat generation.
  • the temperature control system can automatically start according to the temperature difference between the positive and negative sides of the glass 1 at 5 ° C or 10 ° C after energization, so that the conductive film is energized and heated until the temperature of both sides of the glass is the same, the temperature control system stops heating.
  • the time required for the whole process is between 30 seconds and 2 minutes, so that the temperature of the front and back of the glass is always kept outside the temperature range where fogging can be achieved, so that the fogging is essentially solved before the glass fogging.
  • the problem is simple in structure, but the heating effect is obvious and the degree of intelligence is high.
  • the automatic defogging glass of the present invention can also be used in living clothes, such as a vanity mirror of a bathroom cabinet. Since it is a mirror, it needs to have specular reflection in addition to the automatic anti-fog function.
  • the effect is that a metal material with a specular reflection effect may be mixed in the conductive coating process of the automatic defogging glass, which may be one of aluminum, silver, copper, chromium or a combination thereof, or may be nanometer.
  • the visible light transmittance of the conductive film after adding the metal material with specular reflection effect is adjusted to 85% to 1% according to the needs of the product, and the resistance value of the conductive film is 40 to 50 ⁇ , and then With an automatic temperature control system and a wooden or metal frame, you can create a vanity mirror with automatic defogging.

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Abstract

一种自动除雾玻璃的制备方法及带温控系统的自动除雾玻璃，其中，自动除雾玻璃的制备方法包括以下步骤：准备玻璃基材，并进行切割、清洗；用磁控溅射镀膜方式在玻璃基材的表面镀覆导电膜；带温控系统的自动除雾玻璃包括温度控制板（2），温度控制板上设有两个温度探头（3）贴装在玻璃上，还包括分别与温度控制板及设在玻璃上的导电膜电连接的电源板（4）。该自动除雾玻璃能自动感应玻璃正反两面的温差，使玻璃正反两面的温度始终保持在能够结雾的温度条件范围外，从而解决了玻璃形成结雾的问题。

Description

一种自动除雾玻璃及制备方法
技术领域
本发明涉及一种自动除雾玻璃及制备方法，属于玻璃制造技术领域。
背景技术
当玻璃制品在遇到较大的温湿度变化时，就容易产生雾面，不仅为使用者带来不便，而且，如果机动车上的挡风玻璃出现雾面，将有可能导致交通事故的发生。因此，行业内研发除了一种能够导电除雾的玻璃，例如，公开号为CN1236745A的发明专利申请文件公开了一种导电发热除雾玻璃的制作方法，具体是：用阴极溅射真空镀膜法在聚乙烯薄膜上镀具有适当电阻的金属氧化物层，制得除雾塑料薄膜；将浮法玻璃进行清洗；清洗完毕的玻璃待干燥后，将除雾塑料薄膜用粘剂贴覆至浮法玻璃的表面；再在贴覆除雾塑料薄膜的一面玻璃上的两端印上金属电极。该方法的缺点是需要通过粘剂将除雾塑料薄膜贴覆在玻璃表面，操作较为麻烦。另外，公开号为CN101186449B的发明专利公开了一种多膜系镀膜玻璃及其制备方法，包括以下步骤：A、选择玻璃；B、磁控溅射镀膜机在玻璃片表面镀氧化铟锡合金膜；C、用真空镀膜机在氧化铟锡合金膜表面镀过镀膜；D、用真空镀膜机在过镀膜表面镀银膜；E、用真空镀膜机在银膜表面镀保护膜。该专利文件的目的在于解决氧化铟锡的厚度影响膜层的透光率以及加热速率的问题。该方法工序较多，生产成本高。
发明内容
为解决上述问题，本发明提供一种结构简单，使用安全，加工方便的自动除雾玻璃以及制备方法。
本发明为解决其问题所采用的技术方案是：
一种自动除雾玻璃的制备方法，包括以下步骤：
a） 准备玻璃基材，并进行切割、清洗；
b） 用磁控溅射镀膜方式在上述玻璃基材的表面镀入导电膜；所述导电膜的电阻值在40~50Ω。
优选的是，所述导电膜是铝、银、铜、铬的其中一种或者是其组合物。
另外，玻璃表面上镀有电阻值在40~50Ω的导电膜；镀上导电膜后不影响玻璃的可视透过率，可视透过率的范围能根据实际需要在1%至98%的可视范围内调整，玻璃上还设置有温控系统，所述温控系统包括温度控制板，温度控制板上设有两个温度探头贴装在玻璃上，其中一个温度探头是用于检测玻璃的温度，另外一个温度探头是用于检测玻璃外部的温度；该温控系统还包括分别与温度控制板及设在玻璃上的导电膜电连接的电源板。
优选的是，所述导电膜是铝、银、铜、铬的其中一种或者是其组合物。
本发明的有益效果是：本发明在玻璃工艺上克服了原先的直接在红热玻璃的表面喷涂卤元素的方法而引起的环境污染，以及因喷涂不均而产生的除雾效果不理想、可视透过率低等缺点，而且无需单独在玻璃上进行贴覆薄膜的操作，从而提高生产效率与降低成本，使玻璃加热更均匀，更快，更安全。
本发明除了在玻璃的工艺进行改良外，还提供了一种带温控系统的自动除雾玻璃，能自动的感应玻璃正反两面的温差，使玻璃正反两面的温度始终保持在能够结雾的温度条件范围外，从本质上解决了玻璃形成结雾的问题，结构简单，但是加热效果明显，智能化程度高。
附图说明
下面结合附图和实施例对本发明作进一步说明：
图1为本发明温控系统的原理图。
具体实施方式
一种自动除雾玻璃的制备方法，包括以下步骤：准备玻璃基材，并进行切割、清洗；用磁控溅射镀膜方式在上述玻璃基材的表面镀入导电膜，导电膜融入玻璃基材内部，不会产生额外的厚度。所述导电膜的电阻值在40~50Ω。所述导电膜是铝、银、铜、铬的其中一种或者是其组合物，还可以是透明的导电物质，例如纳米或非纳米物质。
一种自动除雾玻璃，玻璃表面上镀入电阻值在40~50Ω的导电膜，镀上导电膜后不影响玻璃的可视透过率，可视透过率的范围能根据实际需要在1%至98%的可视范围内调整。如前述制备方法，用磁控溅射镀膜方式在上述玻璃基材的表面镀入导电膜，所述导电膜是铝、银、铜、铬的其中一种或者是其组合物。玻璃1上还设置有温控系统，如附图1所示，该温控系统包括温度控制板2，温度控制板2上设有两个温度探头3贴装在玻璃1上，其中一个温度探头3是用于检测玻璃1的温度，另外一个温度探头3是用于检测玻璃1外部的温度。该温控系统还包括分别与温度控制板2及设在玻璃1上的导电膜电连接的电源板4，电源板4上设有金属薄片电极5直接贴覆在导电膜上，无需焊接或者是丝印电极，装配十分方便，电源板4提供36V或者是45V的直流电或者是交流电至导电膜，进行发热。该温控系统在通电后能够自动根据玻璃1正、反两面的温度差在5℃或者是10℃时自动启动，使导电膜通电发热，直到玻璃两面的温度相同时，温控系统停止发热，整个过程所需的时间在30秒至2分钟之间，使玻璃正、反面的温度始终保持在能够结雾的温度条件范围之外，从而达到在玻璃结雾前，从本质上解决其结雾的问题，结构简单，但是加热效果明显，智能化程度高。
本发明的自动除雾玻璃除了能够在汽车上使用，还能够运用在生活当中，如浴室柜的梳妆镜上，由于是镜子的用途，所以除了有自动防雾功能外，还需要有镜面反射的效果，具体做法是在前述自动除雾玻璃的导电镀膜工艺中混合加入一种带镜面反射效果的金属材料，可以是铝、银、铜、铬其中一种或者是其组合物，也可以是纳米或非纳米材质，并且把加入带镜面反射效果金属材料后的导电膜的可视透光率根据产品的需要调整到85%至1%的范围内，导电膜的电阻值在40~50Ω，再加上自动温控系统和木质或者是金属材质的外框即可作成具有自动除雾功能的梳妆镜子。
以上说明书所述，仅为本发明的原理及实施例，凡是根据本发明的实质进行任何简单的修改及变化，均属于本发明所要求的保护范围之内。

Claims (4)

  1. 一种自动除雾玻璃的制备方法，其特征在于，包括以下步骤：
    a） 准备玻璃基材，并进行切割、清洗；
    b） 用磁控溅射镀膜方式在上述玻璃基材的表面镀入导电膜；所述导电膜的电阻值在40~50Ω。
  2. 根据权利要求1所述的一种自动除雾玻璃的制备方法，其特征在于，所述导电膜是铝、银、铜、铬的其中一种或者是其组合物。
  3. 一种自动除雾玻璃，其特征在于，玻璃表面上镀有电阻值在40~50Ω的导电膜，镀上导电膜后不影响玻璃的可视透过率，可视透过率的范围能根据实际需要在1%至98%的可视范围内调整；玻璃（1）上还设置有温控系统，所述温控系统包括温度控制板（2），温度控制板（2）上设有两个温度探头（3）贴装在玻璃（1）上，其中一个温度探头（3）是用于检测玻璃（1）的温度，另外一个温度探头（3）是用于检测玻璃（1）外部的温度；该温控系统还包括分别与温度控制板（2）及设在玻璃（1）上的导电膜电连接的电源板（4）。
  4. 根据权利要求3所述的一种自动除雾玻璃，其特征在于，所述导电膜是铝、银、铜、铬的其中一种或者是其组合物。
PCT/CN2013/083211 2013-07-23 2013-09-10 一种自动除雾玻璃及制备方法 WO2015010357A1 (zh)

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CN104822187A (zh) * 2015-03-10 2015-08-05 宁波华尔克应用材料有限公司 一种挡风玻璃高效除霜雾镀膜及其制备方法和装置
CN105554928B (zh) * 2015-12-04 2019-09-13 上海斐讯数据通信技术有限公司 移动终端的屏幕除雾方法、系统及装置
CN107548175B (zh) * 2017-08-22 2020-09-11 哈尔滨工程大学 一种压力容器用便携玻璃视窗除雾系统
CN107504861A (zh) * 2017-09-26 2017-12-22 广州特盾特种玻璃有限公司 一种车用钨丝发热温控和信号屏蔽的防弹玻璃
CN110091832A (zh) * 2019-03-20 2019-08-06 广东工业大学 一种除雾玻璃及其制造方法

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