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    • 2. 发明授权
    • Photoelectric smoke detector with permanently fixed insect net
    • 光电式烟雾探测器,具有永久固定的昆虫网
    • US4851819A
    • 1989-07-25
    • US168149
    • 1988-03-15
    • Hironobu KawaiHiroshi Sawa
    • Hironobu KawaiHiroshi Sawa
    • G01N21/53G08B17/10G08B17/107
    • G08B17/107G08B17/113
    • A photoelectric smoke detector of this invention comprises a smoke-detection arrangement including a light emitting element and a photodetecting element and a smoke-detecting unit on which said smoke-detection arrangement is mounted. The smoke-detecting unit includes a base plate to which said smoke-detection arrangement is attached and a peripheral wall having such a configuration that allows smoke to enter from the outside, but substantially prevents light to enter from the outside. The peripheral wall is formed of a plurality of wall elements, each of said wall elements is arranged substantially regularly and formed integrally with said base plate so as to extend downward from the base plate. The smoke-detecting unit further includes an insect net which has been fixed to the outer surfaces of the wall elements in the shaping process of the smoke-detecting unit so as to be fit around the outer periphery of the peripheral wall.
    • 本发明的光电式烟雾探测器包括一个烟雾检测装置,该烟雾检测装置包括一个发光元件和一个光电检测元件,以及一个烟雾检测单元,烟雾检测装置安装在该检测单元上。 烟雾检测单元包括附接有烟雾检测装置的基板和具有允许烟雾从外部进入但是基本上防止光从外部进入的结构的周壁。 周壁由多个壁元件形成,每个所述壁元件基本上规则地布置,并与所述底板一体形成,以从底板向下延伸。 烟雾检测单元还包括在烟雾检测单元的成形处理中已经固定到壁元件的外表面以便围绕周壁的外周配合的昆虫网。
    • 3. 发明授权
    • Scattered-light smoke detector with a shielding structure of detector
circuits
    • 具有检测器电路屏蔽结构的散射式烟雾探测器
    • US4897634A
    • 1990-01-30
    • US136836
    • 1987-12-22
    • Hiroshi SawaAtsushi MiyabeHironobu KawaiHiroshi Honma
    • Hiroshi SawaAtsushi MiyabeHironobu KawaiHiroshi Honma
    • G08B17/10G08B17/107
    • G08B17/107G08B17/113Y10S174/34
    • A scattered-light smoke detector having an improved shield structure. A detector circuit is provided on a printed circuit board which is disposed at an upper portion of a smoke detecting section. The smoke detecting section includes a planar base and a surrounding wall extending downwardly from a lower surface of the base and having an opening or openings which allows or allow smoke to enter therethrough. The surrounding wall defines a smoke detecting space therein. A light emitting element and a photodetector element which are disposed at positions where they are not opposite each other and optical axes thereof intersect each other at a predetermined angle and said photodetector element can receive light from the light emitting element scattered by smoke entering the smoke detecting space. The printed circuit board is attached on an upper surface of the base. A shield layer is interposed between said printed circuit board and said base. Electric and/or electronic parts are formed in chips and packaged on an upper surface of the printed circuit board. A shield case is disposed so that it covers the electric and/or electronic parts.
    • 具有改进的屏蔽结构的散射式烟雾探测器。 检测器电路设置在布置在烟雾检测部分的上部的印刷电路板上。 烟雾检测部分包括平面基部和从基部的下表面向下延伸并具有允许或允许烟雾进入其中的开口或开口的周壁。 周围的壁在其中限定烟雾检测空间。 发光元件和光电检测器元件设置在彼此不相对的位置处和光轴以预定角度相交,并且所述光电检测器元件可以接收来自由进入烟雾检测的烟雾散射的发光元件的光 空间。 印刷电路板安装在基座的上表面上。 屏蔽层介于所述印刷电路板和所述底座之间。 电子和/或电子部件以芯片形成并封装在印刷电路板的上表面上。 屏蔽壳被设置成覆盖电气和/或电子部件。
    • 4. 发明授权
    • Temperature detecting device
    • 温度检测装置
    • US4292844A
    • 1981-10-06
    • US139527
    • 1980-04-11
    • Hiroshi SawaYukio Yamauchi
    • Hiroshi SawaYukio Yamauchi
    • G08B17/06G01K1/16G01K7/01G01K7/22H01L23/32G01K7/00
    • H01L23/32G01K1/16G01K7/01G01K7/22H01L2924/0002Y10S73/09
    • A temperature detecting device having rapid temperature sensing characteristics and with a fully protected temperature sensitive element. A transistor pellet potted in a resin casing having at least one thin wall is mounted in a metal protective tube in thermal contact provided through a small amount of filler material of high thermal conductivity. A heat collector is disposed around the protective metal tube in close thermal contact therewith. The edges of the heat collector are held in position against ribs formed on an insulating casing by engaging members of a protective ring which fit into corresponding notches formed in the upper portion of the ribs. Protrusions formed on the protective member prevent its rotation and removal hence making the device essentially tamperproof.
    • 一种温度检测装置,具有快速的温度检测特性,并具有完全保护的温度敏感元件。 封装在具有至少一个薄壁的树脂壳体中的晶体管芯片安装在通过少量高导热性填充材料提供的热接触的金属保护管中。 集热器设置在与其紧密热接触的保护金属管周围。 集热器的边缘通过接合装配到形成在肋的上部中的相应凹口中的保护环的构件而保持在抵抗形成在绝缘壳体上的肋上的位置。 形成在保护构件上的突起阻止其旋转和移除,从而使得该装置基本上防篡改。