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Safety monitor

A monitor and safety technology, applied in the direction of safety devices, load suspension components, transportation and packaging, etc., can solve the problem of no molding control device

Inactive Publication Date: 2012-03-28
奥力通起重机(北京)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no well-formed control device and control element to complete this function

Method used

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Examples

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Embodiment Construction

[0022] figure 1 It is the structural block diagram of the safety monitor. The gravity sensor is connected to the single-chip computer through the amplification circuit and the filter circuit, the current transformer is connected to the single-chip computer through the amplification circuit and the filter circuit, the three-phase input voltage is connected to the single-chip computer through the filter circuit, and the single-chip computer is connected to the off-chip EEPROM and LED lights, the signal output by the single-chip microcomputer is input to the relay through the signal amplification circuit, the terminal communicates with the single-chip microcomputer through wired channel networking and communication protocol conversion, the external buttons and LCD of the terminal, and the single-chip microcomputer also form an analog output through optocoupler isolation (can be an LED tonnage display. ). High-speed request (FIN), lowering request (LIN), hoisting request (HIN), mu...

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PUM

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Abstract

The invention discloses a safety monitor comprising a single chip microcomputer, a gravity sensor, three-phase input voltage and a relay, wherein the three-phase input voltage is accessed into the single chip microcomputer through a filter circuit; the gravity sensor is accessed into the single chip microcomputer through an amplification circuit and the filter circuit; and the single chip microcomputer controls the action of the relay. The single chip microcomputer is used for detecting whether the three-phase input voltage is lack of phase; and the safety monitor displays a failure cause when the three-phase input voltage is lack of phase. The safety monitor is used for managing and protecting a crane, adjusting the use of the crane and preventing the crane from operating when a potential hazard condition is probably caused. The safety monitor can realize overload protection on the crane, monitor the operation of the crane, failures, phase sequence of a main power supply, phase lacking of the main power supply as well as control the voltage, achieve low-speed starting and low-speed stopping functions, record operation time, and implement relay output and tonnage display.

Description

technical field [0001] The invention relates to the monitoring field, in particular to a safety monitor. Background technique [0002] Crane equipment has a consideration of working conditions and service life at the beginning of design. At the same time, crane equipment needs protection and management during use. There is no complete control device or control element formed to complete this function at present. Contents of the invention [0003] Aiming at the above-mentioned problems existing in the prior art, the present invention provides a safety monitor. [0004] The invention provides a safety monitor, comprising: a single-chip microcomputer, a gravity sensor, a three-phase input voltage and a relay; the three-phase input voltage is connected to the single-chip computer through a filter circuit, and the gravity sensor is connected to the single-chip computer through an amplification circuit and a filter circuit; the single-chip computer controls the relay Actions....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C15/00
Inventor 梁卫东
Owner 奥力通起重机(北京)有限公司
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