The invention discloses an elevator magnetic railing ruler belt breakage detection device, which comprises an upper connecting plate, a magnetic railing ruler, a first detection switch, a second detection switch and a wedge sleeve plate, and is characterized in that the first detection switch is mounted on the upper connecting plate, and the second detection switch is mounted on the wedge sleeve plate; one end of the magnetic railing ruler is fixed on the upper connecting plate, the other end of the magnetic railing ruler is fixed on the wedge sleeve plate, the magnetic railing ruler is provided with a conductive metal wire and a non-magnetic metal belt, the elongation of the conductive metal wire is smaller than that of the non-magnetic metal belt, and the fracture of the conductive metal wire occurs before the fracture of the non-magnetic metal belt; one ends of the conductive metal wire and the non-magnetic metal belt are respectively connected with the first detection switch, the other ends of the conductive metal wire and the non-magnetic metal belt are respectively connected with the second detection switch, and the first detection switch sends an electric signal to the second detection switch through the conductive metal wire or the non-magnetic metal belt. The characteristic that the elongation of the conductive metal wire is smaller than that of a non-magnetic metal belt is utilized, and early warning of belt breakage of the magnetic railing ruler and early warning before the belt breakage phenomenon of the magnetic railing ruler are achieved.

    本发明公开了一种电梯磁栅尺断带检测装置,包括上连接板、磁栅尺、第一检测开关、第二检测开关和楔套板,第一检测开关安装于上连接板,第二检测开关安装于楔套板;磁栅尺一端固定于上连接板,磁栅尺另一端固定于楔套板,磁栅尺设有导电金属丝和非导磁金属带,导电金属丝的伸长率小于非导磁金属带的伸长率,导电金属丝的断裂发生在非导磁金属带的断裂之前;导电金属丝和非导磁金属带一端分别与第一检测开关连接,导电金属丝和非导磁金属带另一端与分别第二检测开关连接,第一检测开关通过导电金属丝或非导磁金属带向第二检测开关发送电信号。本发明利用导电金属丝伸长率小于非导磁金属带的特性,达到预警磁栅尺断带和在磁栅尺发生断带现象前预警。


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    Titel :

    Elevator magnetic railing ruler belt breakage detection device and method


    Weitere Titelangaben:

    电梯磁栅尺断带检测装置及方法


    Beteiligte:
    LI WENSHENG (Autor:in) / XU ZHIQIANG (Autor:in) / CHEN TENGFEI (Autor:in) / LI GUANLIANG (Autor:in) / LI NA (Autor:in)

    Erscheinungsdatum :

    27.09.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES / B66B Aufzüge , ELEVATORS



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