Vaned baffle for optical smoke detector
    1.
    发明授权
    Vaned baffle for optical smoke detector 失效
    用于光学烟雾探测器的透平挡板

    公开(公告)号:US3916209A

    公开(公告)日:1975-10-28

    申请号:US45882974

    申请日:1974-04-08

    CPC classification number: G08B17/107 G08B17/113

    Abstract: An optical smoke detector comprises split optical block mounting an exciter lamp and a smoke sensing photocell in two passages directed toward an intersection zone in a dark chamber formed by one side of the block, a base with a bottom and side wall and a cover, all secured together by one screw. A light pipe from the lamp extends outside the cover to indicate lamp operation. A second photocell is in a third passage communicating with the lamp passage, the third passage mounting diffuser and pin hole apertured disks for spreading a controlled light intensity over the second photocell. The optical block assembly includes an alarm circuit board operationally connected to the photocells and physically positioning the block on the base. Smoke enters the dark chamber through passages formed by curved, light obstructing vanes converging toward an opening to the chamber between the opening and a baffle.

    Abstract translation: 光学烟雾探测器包括分离光学块,其安装激励器灯和烟雾感测光电池,两个通道指向由块的一侧形成的暗室中的交叉区域,具有底部和侧壁以及盖子的基座,全部 用一个螺丝固定在一起。 来自灯的光管延伸到盖的外部,以指示灯的操作。 第二光电管在与灯通道连通的第三通道中,第三通道安装扩散器和针孔孔径盘,用于在第二光电池上扩展受控的光强度。 光学块组件包括可操作地连接到光电管并且将块物理地定位在基座上的报警电路板。 烟雾通过由弯曲的光阻挡叶片通过通道形成的通道进入暗室,该叶片在开口和挡板之间朝向腔室的开口会聚。

    Photoelectric detector with compensating photocell
    2.
    发明授权
    Photoelectric detector with compensating photocell 失效
    具有补偿光电子的光电探测器

    公开(公告)号:US3723747A

    公开(公告)日:1973-03-27

    申请号:US3723747D

    申请日:1971-06-03

    Inventor: STEELE D

    CPC classification number: G08B17/107 G01N21/53 G01N2201/0639 G08B17/113

    Abstract: A smoke detector with a first cell sensing light scattered from matter to be detected and a second compensating cell has an adjustable plug for varying light from a source to the compensating cell and a diffuser for spreading the adjusted light over the same area of the compensating cell as the area of the first cell exposed to scattered light.

    Abstract translation: 具有感测从要检测的物质散发的光的第一单元的烟雾探测器和第二补偿单元具有用于从光源到补偿单元的变化的光的可调节插头和用于将调节的光扩散在补偿单元的相同区域上的扩散器 因为第一个电池的面积暴露于散射光。

    Optical smoke detector with light scattering test device
    3.
    发明授权
    Optical smoke detector with light scattering test device 失效
    具有光散射测试装置的光学感烟探测器

    公开(公告)号:US3868184A

    公开(公告)日:1975-02-25

    申请号:US38252173

    申请日:1973-07-25

    CPC classification number: G08B17/107 G01N21/4785 G01N21/53 G08B17/113

    Abstract: An optical smoke and like particle detector housing in which light from a lamp is protected along one axis and scattered by particles along a second axis to a photocell has a particle simulating device for testing the operativeness of the cell and its associated alarm circuit. The particle simulating device comprises a thin wire mounted on a bell crank manually operated outside the detector housing to swing the wire through the detection zone at the intersection of the lamp and photocell axes so as to scatter light from the lamp to the cell in the same way and amount as particles in the zone.

    Abstract translation: 一种光学烟雾和类似颗粒检测器壳体,其中来自灯的光沿着一个轴被保护并且沿着第二轴的颗粒被散射到光电池具有用于测试电池及其相关联的报警电路的操作性的粒子模拟装置。 颗粒模拟装置包括安装在手动操作在检测器壳体外部的钟形曲柄上的细线,以使线穿过灯和光电池轴的交叉点处的检测区域,以便将来自灯的光散射到相同的电池中 方式和数量作为颗粒在该区域。

    Optical smoke detector
    4.
    发明授权
    Optical smoke detector 失效
    光学烟雾探测器

    公开(公告)号:US3863076A

    公开(公告)日:1975-01-28

    申请号:US38205873

    申请日:1973-07-24

    CPC classification number: G08B17/107 G08B17/113

    Abstract: An optical smoke detector comprises split optical block mounting an exciter lamp and a smoke sensing photocell in two passages directed toward an intersection zone in a dark chamber formed by one side of the block, a base with a bottom and side wall and a cover, all secured together by one screw. A light pipe from the lamp extends outside the cover to indicate lamp operation. A second photocell is in a third passage communicating with the lamp passage, the third passage mounting diffuser and pin hole apertured disks for spreading a controlled light intensity over the second photocell. The optical block assembly includes an alarm circuit board operatively connected to the photocells and physically positioning the block on the base.

    Abstract translation: 光学烟雾探测器包括分离光学块,其安装激励器灯和烟雾感测光电池,两个通道指向由块的一侧形成的暗室中的交叉区域,具有底部和侧壁以及盖子的基座,全部 用一个螺丝固定在一起。 来自灯的光管延伸到盖的外部,以指示灯的操作。 第二光电管在与灯通道连通的第三通道中,第三通道安装扩散器和针孔孔径盘,用于在第二光电池上扩展受控的光强度。 光学块组件包括可操作地连接到光电池并且将块物理地定位在基座上的报警电路板。

    Photon couplers with solid state lamps
    5.
    发明授权
    Photon couplers with solid state lamps 失效
    带固体灯的光电耦合器

    公开(公告)号:US3727056A

    公开(公告)日:1973-04-10

    申请号:US3727056D

    申请日:1972-03-03

    Inventor: ENEMARK R

    CPC classification number: G08B17/107 G01N21/255 G08B17/113

    Abstract: A smoke detector with a ribbon of light from a linear array of light emitting diodes directed to an intersection with a ribbonlike path of view of an optically parallel photobar intersecting the light ribbon. A constant current source supplies low current to the diodes.

    Abstract translation: 烟雾探测器,其具有来自发光二极管的线性阵列的光带,其指向与光带相交的光学平行光栅的带状视线的交点。 恒流源为二极管提供低电流。

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