The invention discloses a weight limiter. The weight limiter comprises a ring body, one side of the inner wall of the ring body is connected with one side of a fixed bottom plate, at least two PCBs are arranged on the other side of the fixed bottom plate, one sides of magnet fixing frames with the same number as the PCBs are arranged on the other side of the fixed bottom plate, the other sides ofthe magnet fixing frames are connected with the other side of the fixed bottom plate, and a displacement sensing chip and a displacement sensing magnet which are opposite in position are arranged at the positions, on the fixed bottom plate, of each PCB and the adjacent magnet fixing frame. According to the weight limiter, the numerical value of the weight limiter is judged to be correct or not through the scheme of adopting multiple sensors, and when one sensor breaks down, the weight limiter can still judge whether errors exist in the weight limiter or not, so that the normal and reliable work of the weight limiter is ensured.
本发明公开一种重量限制器,包括环体,环体内壁的一侧与固定底板的一侧连接,固定底板的另一侧上设置有至少两组PCB板,与所述PCB板数量对应相等的磁铁固定架的一侧设置在固定底板的另一侧上,所述磁铁固定架的另一侧与固定底板的另一侧连接;每个所述PCB板和相邻的所述磁铁固定架在固定底板处分别设置有位置相对的位移感应芯片和位移感应磁铁,其采用多组传感器的方案来判断重量限制器的数值是正确,则在其中一个传感器发生故障时,其重量限制器仍然能够判断其自身是否存在错误,以确保重量限制器的正常可靠工作。
Weight limiter
一种重量限制器
2020-10-02
Patent
Electronic Resource
Chinese
IPC: | B66D Haspeln , CAPSTANS |
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