WO2014075325A1 - 一种用于检测空卡匣的检测装置 - Google Patents

一种用于检测空卡匣的检测装置 Download PDF

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Publication number
WO2014075325A1
WO2014075325A1 PCT/CN2012/084917 CN2012084917W WO2014075325A1 WO 2014075325 A1 WO2014075325 A1 WO 2014075325A1 CN 2012084917 W CN2012084917 W CN 2012084917W WO 2014075325 A1 WO2014075325 A1 WO 2014075325A1
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Prior art keywords
cassette
detection device
sensing signal
liquid crystal
detecting
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PCT/CN2012/084917
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English (en)
French (fr)
Inventor
齐明虎
吴俊豪
林昆贤
汪永强
郭振华
杨卫兵
陈增宏
蒋运芍
舒志优
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TCL China Star Optoelectronics Technology Co Ltd
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Shenzhen China Star Optoelectronics Technology Co Ltd
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Priority to US13/806,902 priority Critical patent/US8921760B2/en
Publication of WO2014075325A1 publication Critical patent/WO2014075325A1/zh
Anticipated expiration legal-status Critical
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/59Transmissivity

Definitions

  • the invention relates to a detection device for detecting an empty cassette.
  • the present invention relates to the field of manufacturing liquid crystal panels, and more particularly to a detecting device for detecting whether or not liquid crystal glass is stored in a cassette on a cassette for storing liquid crystal glass. Background technique
  • liquid crystal screens have become a common display screen in people's daily life, and liquid crystal panels are an important part of liquid crystal screens.
  • the liquid crystal glass needs to be transported to the cassette of the stacker for storage.
  • the detecting device in which the reflective sensor is mounted on the cassette has the following technical problems:
  • FIG. 5 a schematic structural view of an opening is provided on the top plate of the card in the prior art, wherein the opening 91 is formed on the top plate 92, and the broken line b in the figure indicates the sensing signal path.
  • the technical problem to be solved by the present invention is to provide a detecting device for detecting an empty cassette, which can prevent impurities from entering the card on the basis of accurately detecting whether or not the liquid crystal glass is stored in the cassette. Causes pollution inside the raft; improves cleanliness and reduces labor costs.
  • a detecting device for detecting an empty cassette which is applied to a cassette for storing liquid crystal glass, and detecting whether or not the liquid crystal glass is stored in the cassette.
  • the detecting device includes:
  • a photoelectric sensor for transmitting a sensing signal to the inside of the cassette and receiving a reflected signal from the inside of the cassette
  • a reflective plate disposed inside the cassette for receiving the sensing signal from the photoelectric sensor and reflecting the sensing signal back to the photoelectric sensor;
  • the photoelectric sensor receives the reflected signal from the reflector after transmitting the sensing signal, it is determined whether the liquid crystal glass is stored in the cassette.
  • the top of the cassette is provided with a cover plate, and the reflector is mounted on the inner wall of the cover.
  • the photoelectric sensor is installed outside the bottom of the cassette.
  • the sensing signal is transmitted to the cover via the bottom of the card 11.
  • the reflector is mounted on an inner wall of the cover capable of receiving the sensing signal.
  • a detecting device for detecting an empty cassette which is applied to a cassette for storing liquid crystal glass, and detecting whether or not the liquid crystal glass is stored in the cassette
  • the detecting device includes:
  • a photoelectric sensor for emitting an optical signal to the interior of the cassette and receiving a reflected signal from the interior of the cassette
  • a reflector disposed inside the cassette for receiving the optical signal emitted by the photosensor and reflecting the optical signal back to the photosensor;
  • the top of the cassette is provided with a cover plate, and the reflector is mounted on the inner wall of the cover.
  • the photoelectric sensor is installed outside the bottom of the cassette.
  • the light signal is emitted to the cover plate via a bottom of the cassette.
  • the reflector is mounted on an inner wall of the cover plate capable of receiving the optical signal.
  • Another technical solution adopted by the present invention is:
  • the detecting device of the empty cassette is applied to the cassette for storing the liquid crystal glass, and detecting whether the liquid crystal glass is stored in the cassette, wherein the detecting device comprises:
  • a sensing signal device for transmitting a sensing signal to the inside of the cassette and receiving a reflected signal from the inside of the cassette
  • a reflector disposed inside the cassette, for receiving the sensing signal emitted by the sensing signal device, and reflecting the sensing signal back to the sensing signal device;
  • the sensing signal device after transmitting the sensing signal, whether a reflected signal from the reflector is received to determine whether the liquid crystal glass is stored in the cassette.
  • the top of the cassette is provided with a cover plate, and the reflector is mounted on the inner wall of the cover.
  • the sensing signal device is disposed outside the bottom of the card 11.
  • the sensing signal is transmitted to the cover via the bottom of the card 11.
  • the reflector is mounted on an inner wall of the cover plate capable of receiving the sensing signal.
  • the reflector is a reflector
  • the sensing signal device is a photoelectric sensor.
  • the sensing signal is an optical signal.
  • the detecting device for detecting an empty cassette provided by the present invention has the following beneficial effects: Since the detecting device comprises: a sensing signal device capable of transmitting an optical signal to the inside of the cassette and an optical signal for receiving the sensing signal device.
  • the reflector is mounted on the inner wall of the cassette cover.
  • the optical signal can accurately detect whether or not the liquid crystal glass is stored in the cassette without penetrating the cover plate, thereby avoiding contamination caused by the opening of the cover plate and causing the particles to enter the cassette, thereby improving the cleanliness; the structural design is more reasonable, and the labor cost is increased. Further decrease.
  • FIG. 1 is a schematic perspective view showing the structure of a detecting device for detecting an empty cassette according to an embodiment of the present invention.
  • FIG. 2 is a schematic side view showing the structure of the detecting device detecting the empty cassette according to the embodiment of the present invention.
  • Fig. 3 is a perspective view showing the configuration of a detecting device for detecting a liquid crystal glass cassette stored in the embodiment of the present invention.
  • FIG. 4 is a side view showing the detection device storing the liquid crystal glass cassette in the embodiment of the present invention. Intention.
  • FIG. 5 is a schematic structural view of an opening provided on a card top plate in the prior art. detailed description
  • an embodiment of the detecting device for detecting an empty cassette includes: a cassette 1 and a plurality of brackets 11 mounted in the cassette 1 A plurality of liquid crystal glass 2 that can be stored on the cassette 1 holder 11 and a detecting device for checking whether the cassette is empty.
  • FIG. 1 a schematic diagram of a three-dimensional structure for detecting an empty cassette according to an embodiment of the present invention, wherein the cassette 1 is a cubic frame structure formed by overlapping a plurality of frame strips, and the inside thereof has a storage structure for storing The storage space of the liquid crystal glass 2 (shown in Figure 3).
  • the liquid crystal glass 2 can be stored in the holder 11 provided in the housing space of the cassette 1, and the holder 11 is arranged in a plurality of layers arranged up and down as required.
  • the holder 11 of this embodiment is collectively provided in three layers, and each layer can store the liquid crystal glass 2.
  • the top of the cassette 1 is provided with a cover 12, which can function as a dustproof, which prevents dust, impurities and the like from falling into the cassette 1 in the air.
  • Detection device includes
  • a sensing signal device 31 configured to transmit a sensing signal to the inside of the cassette 1 and receive a reflected signal from the inside of the cassette 1;
  • a reflector 32 disposed inside the cassette 1, for receiving the sensing signal from the sensing signal device 31, and reflecting the sensing signal back to the sensing signal device 31;
  • the sensing signal device 31 According to whether the sensing signal device 31 receives the reflected signal from the reflector 32 after transmitting the sensing signal, it is determined whether or not the liquid crystal glass 2 is stored in the cassette 1.
  • the sensing signal device 31 is configured as a photoelectric sensor capable of emitting an optical signal.
  • the optical signal emitted by the sensing signal is received by the reflector 32, it indicates that there is no dielectric barrier between the two, and the path of the photoelectric sensor 31 for emitting the optical signal is indicated by the dotted line in the figure. a indicates. Since the photoelectric sensor and the optical signal emitted by the photoelectric sensor are more accurate than the general sensing signal device, and the response speed is fast, the liquid crystal glass 2 can be stored in the cassette. Give precise feedback.
  • the photosensor 31 is mounted on the outside of the bottom of the cassette 1, and the light signal emitted therefrom can be directed from the bottom of the cassette 1 to the cover 12.
  • the reflector 32 is provided as a reflector, and since the panel structure is relatively small, it does not occupy a space and does not affect the placement of the liquid crystal glass 2.
  • the reflector 32 is mounted on the inner wall of the cover 12 of the cassette 1, and the reflector 32 is capable of receiving an optical signal from the bottom of the cassette 1 toward the cover 12 of the photosensor 31.
  • the position of the reflector 32 on the inner wall of the cover 12 is on the same line as the emission point of the photosensor 31 to emit an optical signal, which facilitates the reflection of the reflector 32.
  • the function of mounting the reflector 32 on the inner wall of the cover 12 of the cassette 1 is that when detecting whether the cassette 1 stores the liquid crystal glass 2, the light signal directly hits the reflection plate 32 on the inner wall of the cover 12 without passing through The cover plate 12 can realize reflection, thereby achieving the purpose of detection; the intact cover plate 12 can prevent the particles from entering the cassette and prevent the particles from contaminating the liquid crystal glass 2.
  • the detection process of the detection device for detecting an empty cassette is:
  • the photoelectric sensor 31 located outside the bottom of the cassette 1 emits an optical signal from the bottom of the cassette 1 to the direction of the cover plate 12. Since the liquid crystal glass 2 is not stored in the cassette 1, the cassette 1 is in an empty state, and the reflection plate The sensor light signal transmitted from the photosensor 31 can be received and fed back in real time, and the detecting device can obtain the state information that the cassette 1 is empty.
  • the detecting device detects that the liquid crystal glass cassette is stored.
  • the detecting process of the photoelectric sensor 31 located outside the bottom of the cassette 1 is emitted from the bottom of the cassette 1 to the cover 12 due to the cassette.
  • the liquid crystal glass 2 is stored in the liquid crystal glass 2, and the liquid crystal glass 2 blocks the sensing light signal.
  • the reflecting plate 32 cannot receive the sensing light signal emitted by the photoelectric sensor 31 in real time, and the detecting device obtains the state information of the liquid crystal glass stored in the cassette 1.
  • the reflector may be provided as a reflective member other than the reflecting plate 32 for reflecting the sensing signal.
  • the reflective layer may be directly sprayed on the inner wall of the cover 12 or the cover 12 may be made using a reflective material, which may perform the above-described process of detecting the empty click of the reflective sensor.
  • the position at which the reflecting plate is mounted on the inner wall of the cover 12 can be adjusted in accordance with the position of the photosensor 31 as long as it can receive the optical signal emitted from the photosensor 31.
  • the detecting device for detecting an empty cassette of the present invention has the following advantageous effects:
  • the measuring device comprises: a photoelectric sensor capable of emitting an optical signal to the inside of the cassette and a reflecting plate for receiving the optical signal emitted by the photoelectric sensor, and the reflecting plate is mounted on the inner wall of the cassette cover.
  • the optical signal can accurately detect whether or not the liquid crystal glass is stored in the cassette without penetrating the cover plate, thereby avoiding contamination caused by the opening of the cover plate and causing the particles to enter the cassette, thereby improving the cleanliness; the structural design is more reasonable, and the labor cost is increased. Further decrease.

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Abstract

一种用于检测空卡匣的检测装置,应用在可存放液晶玻璃的卡匣上,检测所述卡匣中是否存放有液晶玻璃,该检测装置包括:传感信号装置(31),用于向卡匣(1)内部发射传感信号,并接收来自卡匣(1)内部的反射信号;反射器(32),装设在卡匣的内部,用以接收传感信号装置(31)发出的传感信号,并将传感信号反射回传感信号装置;其中,根据传感信号装置(31)在发送传感信号后,是否接收到来自反射器的反射信号来判断卡匣中是否存放有液晶玻璃。该检测装置在精确检测卡匣内是否存放有液晶玻璃的基础上,能够避免杂质进入卡匣内造成污染。

Description

一种用于检测空卡匣的检测装置 本申请要求于 2012 年 11 月 13 日提交中国专利局、 申请号为 201210452876.0、 发明名称为 "一种用于检测空卡匣的检测装置" 的中国专 利申请的优先权, 上述专利的全部内容通过引用结合在本申请中。 技术领域
本发明涉及液晶面板制造领域, 尤其涉及一种应用在可存放液晶玻璃的 卡匣上, 检测卡匣中是否存放有液晶玻璃的检测装置。 背景技术
随着液晶显示技术的不断发展, 液晶屏已成为人们日常生活中比较常见 的显示屏, 液晶面板是液晶屏的重要组成部分。 在液晶面板的制造过程中, 需要将液晶玻璃搬运至堆垛机的卡匣上进行存放。
通常, 卡匣上是否存放有液晶玻璃需要使用传感信号器进行检测, 而一 般的发射式传感信号器无法做到精确检测, 需要使用反射式传感信号器进行 检测。现有技术中在卡匣上安装有反射式传感信号器的检测装置存在如下技 术问题:
1、 由于需要在卡匣的顶板上开设相应的开孔, 以供反射式传感信号器 进行检测, 因此, 外界空气中的灰尘、 杂质等颗粒很容易从开孔处落入到卡 匣内, 容易对卡匣内的液晶玻璃造成污染, 影响产品的良率。 如图 5所示, 为现有技术中在卡匣顶板上设置开孔的结构示意图, 其中, 开孔 91开设在 卡匣顶板 92上, 图示中虚线 b表示传感信号路径。
2、 为避免颗粒污染液晶玻璃, 需经常对卡匣进行清理, 人力成本较高。 发明内容
本发明所要解决的技术问题在于, 提供一种用于检测空卡匣的检测装 置, 在精确检测卡匣内是否存放有液晶玻璃的基础上, 能够避免杂质进入卡 匣内造成污染; 提升清洁度, 降低人力成本。
为了解决上述技术问题, 本发明采用的一种技术方案: 一种用于检测空 卡匣的检测装置, 应用在可存放液晶玻璃的卡匣上, 检测所述卡匣中是否存 放有液晶玻璃, 其中, 所述检测装置包括:
光电传感器, 用于向卡匣内部发射传感信号, 并接收来自卡匣内部的反 射信号;
反射板, 装设在所述卡匣的内部, 用以接收所述光电传感器发出的所述 传感信号, 并将所述传感信号反射回所述光电传感器;
其中, 根据所述光电传感器在发送传感信号后, 是否接收到来自反射板 的反射信号来判断所述卡匣中是否存放有液晶玻璃。
其中,所述卡匣的顶部设有盖板,所述反射板装设在所述盖板的内壁上。 其中, 所述光电传感器装设在所述卡匣底部的外侧。
其中, 所述传感信号经由所述卡 11的底部向所述盖板发射。
其中, 所述反射板装设在能够接收到所述传感信号的所述盖板的内壁 上。
为解决上述技术问题, 本发明采用的另一种技术方案: 一种用于检测空 卡匣的检测装置, 应用在可存放液晶玻璃的卡匣上, 检测所述卡匣中是否存 放有液晶玻璃, 其中, 所述检测装置包括:
光电传感器, 用于向卡匣内部发射光信号, 并接收来自卡匣内部的反射 信号;
反射板, 装设在所述卡匣的内部, 用以接收所述光电传感器发出的所述 光信号, 并将所述光信号反射回所述光电传感器;
其中, 根据所述光电传感器在发送光信号后, 是否接收到来自反射板的 反射信号来判断所述卡匣中是否存放有液晶玻璃。
其中,所述卡匣的顶部设有盖板,所述反射板装设在所述盖板的内壁上。 其中, 所述光电传感器装设在所述卡匣底部的外侧。
其中, 所述光信号经由所述卡匣的底部向所述盖板发射。
其中, 所述反射板装设在能够接收到所述光信号的所述盖板的内壁上。 为解决上述技术问题, 本发明采用的另一种技术方案是: 一种用于检测 空卡匣的检测装置, 应用在可存放液晶玻璃的卡匣上, 检测所述卡匣中是否 存放有液晶玻璃, 其中, 所述检测装置包括:
传感信号装置, 用于向卡匣内部发射传感信号, 并接收来自卡匣内部的 反射信号;
反射器, 装设在所述卡匣的内部, 用以接收所述传感信号装置发出的所 述传感信号, 并将所述传感信号反射回所述传感信号装置;
其中, 根据所述传感信号装置在发送传感信号后, 是否接收到来自反射 器的反射信号来判断所述卡匣中是否存放有液晶玻璃。
其中,所述卡匣的顶部设有盖板,所述反射器装设在所述盖板的内壁上。 其中, 所述传感信号装置装设在所述卡 11底部的外侧。
其中, 所述传感信号经由所述卡 11的底部向所述盖板发射。
其中, 所述反射器装设在能够接收到所述传感信号的所述盖板的内壁 上。
其中, 所述反射器为反射板。
其中, 所述传感信号装置为光电传感器。
其中, 所述传感信号为光信号。
本发明所提供的用于检测空卡匣的检测装置, 具有如下有益效果: 由于 检测装置包括: 可发射光信号到卡匣内部的传感信号装置和用以接收传感信 号装置发出光信号的反射板, 反射板装设在卡匣盖板的内壁上。 光信号无需 穿透盖板便可精确检测卡匣内是否存放有液晶玻璃, 能够避免在盖板上开孔 导致颗粒物进入卡匣内造成污染, 提升清洁度; 结构设计更趋合理, 使人力 成本进一步降低。 附图说明
图 1是本发明实施例的检测装置检测空卡匣的立体结构示意图。
图 2是本发明实施例的检测装置检测空卡匣的侧视结构示意图。
图 3是本发明实施例的检测装置检测存放有液晶玻璃卡匣的立体结构示 意图。
图 4是本发明实施例的检测装置检测存放有液晶玻璃卡匣的侧视结构示 意图。
图 5是现有技术中在卡匣顶板上设置开孔的结构示意图。 具体实施方式
下面参考附图对本发明的优选实施例进行描述。
结合参见图 1-图 4所示,为本发明用于检测空卡匣的检测装置的实施例 本实施例中的检测装置包括: 卡匣 1 , 装设在卡匣 1中的多根支架 11 , 可存放在卡匣 1支架 11上的若干块液晶玻璃 2以及用于检查卡匣中是否为 空的检测装置。
如图 1所示,为本发明实施例的检测装置检测空卡匣的立体结构示意图, 其中, 卡匣 1是由多根框条搭接而成的立方状框架结构, 其内部具有用于存 放液晶玻璃 2 (如图 3所示 ) 的容纳空间。
液晶玻璃 2可以存放在卡匣 1容置空间中设有的支架 11上, 支架 11根 据需求设置为上下排列的多层。 本实施例的支架 11共设为三层, 每一层均 可对液晶玻璃 2进行存放。
卡匣 1的顶部设有盖板 12, 盖板 12可以起到防尘的功用, 其同时能够 防止空气中的灰尘、 杂质等颗粒落入卡匣 1中。
检测装置包括
传感信号装置 31 , 用于向卡匣 1内部发射传感信号, 并接收来自卡匣 1 内部的反射信号;
反射器 32, 装设在所述卡匣 1的内部, 用以接收所述传感信号装置 31 发出的所述传感信号, 并将所述传感信号反射回所述传感信号装置 31;
其中, 根据所述传感信号装置 31在发送传感信号后, 是否接收到来自 反射器 32的反射信号来判断所述卡匣 1中是否存放有液晶玻璃 2。
传感信号装置 31设为光电传感器, 能够发射光信号, 当其发射的光信 号被反射器 32接收时, 说明两者之间无介质阻挡, 光电传感器 31发射光信 号的路径由图示中虚线 a表示。 由于光电传感器及其发射的光信号较一般传 感信号装置更为精准, 且响应速度快, 能够对卡匣内存放液晶玻璃 2的情况 给出精确反馈。
光电传感器 31装设在卡匣 1底部的外侧,其发射的光信号能够由卡匣 1 的底部射向盖板 12。
反射器 32设为反射板, 由于板件结构较为小巧, 不占用空间, 不影响 液晶玻璃 2的摆放。 反射器 32装设在卡匣 1盖板 12的内壁上, 反射器 32 能够接收到光电传感器 31由卡匣 1底部射向盖板 12方向的光信号。
进一步的, 反射板 32在盖板 12内壁上的位置与光电传感器 31发射出 光信号的发射点在同一直线上, 利于反射板 32进行反射。
将反射板 32装设在卡匣 1盖板 12内壁上的作用是,在检测卡匣 1是否 存放液晶玻璃 2时, 光信号直接射向盖板 12内壁上的反射板 32, 无需通过 (穿透 )盖板 12就可以实现反射, 进而达到检测的目的; 完好的盖板 12能 够起到防止颗粒物进入卡匣的作用, 避免颗粒物对液晶玻璃 2造成污染。
结合参见图 2, 检测装置检测空卡匣的检测过程是:
位于卡匣 1底部外侧的光电传感器 31发射光信号由卡匣 1的底部射向 盖板 12的方向,由于卡匣 1中未存放液晶玻璃 2,卡匣 1处于空卡匣的状态, 反射板 32能够实时接收到由光电传感器 31发出的传感光信号并进行反馈, 检测装置能够得到卡匣 1为空的状态信息。
结合参见图 3和图 4,检测装置检测存放有液晶玻璃卡匣的检测过程是: 位于卡匣 1底部外侧的光电传感器 31发射光信号由卡匣 1的底部射向 盖板 12, 由于卡匣 1中存放有液晶玻璃 2, 液晶玻璃 2对传感光信号进行阻 挡, 反射板 32无法实时接收到由光电传感器 31发出的传感光信号, 检测装 置得到卡匣 1中存放有液晶玻璃的状态信息。
为本发明实施例的检测装置的其他实施方式中,反射器可以设为除反射 板 32外的其它具有反射功能的部件用以反射传感信号。 例如, 可以在盖板 12的内壁直接喷涂反射层或使用反射材料制得盖板 12, 其均可以完成上述 反射式传感信号器对空卡匣检测的过程。 此外, 反射板在盖板 12 内壁上装 设的位置可以根据光电传感器 31 的位置进行调整, 只要满足能够接收到光 电传感器 31发射出的光信号即可。
实施本发明的用于检测空卡匣的检测装置, 具有如下有益效果: 由于检 测装置包括: 可发射光信号到卡匣内部的光电传感器和用以接收光电传感器 发出光信号的反射板, 反射板装设在卡匣盖板的内壁上。 光信号无需穿透盖 板便可精确检测卡匣内是否存放有液晶玻璃, 能够避免在盖板上开孔导致颗 粒物进入卡匣内造成污染, 提升清洁度; 结构设计更趋合理, 使人力成本进 一步降低。
以上所揭露的仅为本发明较佳实施例而已, 当然不能以此来限定本发明 之权利范围, 因此等同变化, 仍属本发明所涵盖的范围。

Claims

权 利 要 求
1、 一种用于检测空卡匣的检测装置, 应用在可存放液晶玻璃的卡匣上, 检测所述卡匣中是否存放有液晶玻璃, 其中, 所述检测装置包括:
光电传感器, 用于向卡匣内部发射传感信号, 并接收来自卡匣内部的反 射信号;
反射板, 装设在所述卡匣的内部, 用以接收所述光电传感器发出的所述 传感信号, 并将所述传感信号反射回所述光电传感器;
其中, 根据所述光电传感器在发送传感信号后, 是否接收到来自反射板 的反射信号来判断所述卡匣中是否存放有液晶玻璃。
2、 如权利要求 1所述的用于检测空卡匣的检测装置, 其中, 所述卡匣 的顶部设有盖板, 所述反射板装设在所述盖板的内壁上。
3、 如权利要求 2所述的用于检测空卡匣的检测装置, 其中, 所述光电 传感器装设在所述卡 11底部的外侧。
4、 如权利要求 3所述的用于检测空卡匣的检测装置, 其中, 所述传感 信号经由所述卡匣的底部向所述盖板发射。
5、 如权利要求 4所述的用于检测空卡匣的检测装置, 其中, 所述反射 板装设在能够接收到所述传感信号的所述盖板的内壁上。
6、 一种用于检测空卡匣的检测装置, 应用在可存放液晶玻璃的卡匣上, 检测所述卡匣中是否存放有液晶玻璃, 其中, 所述检测装置包括:
光电传感器, 用于向卡匣内部发射光信号, 并接收来自卡匣内部的反射 信号;
反射板, 装设在所述卡匣的内部, 用以接收所述光电传感器发出的所述 光信号, 并将所述光信号反射回所述光电传感器;
其中, 根据所述光电传感器在发送光信号后, 是否接收到来自反射板的 反射信号来判断所述卡匣中是否存放有液晶玻璃。
7、 如权利要求 6所述的用于检测空卡匣的检测装置, 其中, 所述卡匣 的顶部设有盖板, 所述反射板装设在所述盖板的内壁上。
8、 如权利要求 7所述的用于检测空卡匣的检测装置, 其中, 所述光电 传感器装设在所述卡 11底部的外侧。
9、 如权利要求 8所述的用于检测空卡匣的检测装置, 其中, 所述光信 号经由所述卡匣的底部向所述盖板发射。
10、 如权利要求 9所述的用于检测空卡匣的检测装置, 其中, 所述反射 板装设在能够接收到所述光信号的所述盖板的内壁上。
11、一种用于检测空卡匣的检测装置,应用在可存放液晶玻璃的卡匣上, 检测所述卡匣中是否存放有液晶玻璃, 其中, 所述检测装置包括:
传感信号装置, 用于向卡匣内部发射传感信号, 并接收来自卡匣内部的 反射信号;
反射器, 装设在所述卡匣的内部, 用以接收所述传感信号装置发出的所 述传感信号, 并将所述传感信号反射回所述传感信号装置;
其中, 根据所述传感信号装置在发送传感信号后, 是否接收到来自反射 器的反射信号来判断所述卡匣中是否存放有液晶玻璃。
12、 如权利要求 11所述的用于检测空卡匣的检测装置, 其中, 所述卡 匣的顶部设有盖板, 所述反射器装设在所述盖板的内壁上。
13、 如权利要求 12所述的用于检测空卡匣的检测装置, 其中, 所述传 感信号装置装设在所述卡 11底部的外侧。
14、 如权利要求 13所述的用于检测空卡匣的检测装置, 其中, 所述传 感信号经由所述卡匣的底部向所述盖板发射。
15、 如权利要求 14所述的用于检测空卡匣的检测装置, 其中, 所述反 射器装设在能够接收到所述传感信号的所述盖板的内壁上。
16、 如权利要求 15所述的用于检测空卡匣的检测装置, 其中, 所述反 射器为反射板。
17、 如权利要求 15所述的用于检测空卡匣的检测装置, 其中, 所述传 感信号装置为光电传感器。
18、 如权利要求 15所述的用于检测空卡匣的检测装置, 其中, 所述传 感信号为光信号。
PCT/CN2012/084917 2012-11-13 2012-11-20 一种用于检测空卡匣的检测装置 Ceased WO2014075325A1 (zh)

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