Air sword blower fan precision detection monitoring system

A technology of monitoring system and air knife, applied in general control system, control/adjustment system, computer control, etc., to achieve the effect of timely processing, scientific programming and stable operation

Inactive Publication Date: 2010-07-28
ANGANG STEEL CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] After searching, no patent documents and related data reports identical or similar to the present invention were found

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  • Air sword blower fan precision detection monitoring system
  • Air sword blower fan precision detection monitoring system

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the accompanying drawings.

[0024] Depend on figure 1 It can be seen that the air knife fan precision detection and monitoring system is composed of detection components, remote analog data input system, PLC, HMI human-machine interface, and process data acquisition system.

[0025] Air knife fan precision detection and monitoring system settings and detection and monitoring procedures such as figure 2 Shown:

[0026] Through the thermocouple (PT100) and vibration sensor (MTN / 1185CQ) installed on the inlet bearing and outlet bearing of the air knife fan, the detected temperature and vibration data are sent to the analog input module respectively.

[0027] The analog input module transmits the processing data to the PLC through the field bus.

[0028] PLC compares the temperature and vibration data with the normal value according to the programmed program.

[0029] When the detected temperat...

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Abstract

The invention relates to an air knife fan accurate detection monitoring system, consisting of a temperature and shake detecting element, an analog quantity input module, a PLC controller, a HMI human-computer interface and a process data acquisition system. The working procedure of the invention is that the detection data is transmitted to the PLC through the analog quantity input module by a thermoelectric couple and a shake sensor which are arranged on the bearing of the air knife fan; the temperature and the shake data are compared according to the programmed air knife program, and an alarming information is displayed through the HMI human-computer interface when the temperature and the shake data reach the alarming value; when the temperature and the shake data surpass the upper limitvalue, the order of stopping the vehicle is sent by the PLC and the air knife stops operating. Besides, the temperature and the shake data of the bearing of the air knife are recorded and the failures are diagnosed through the data acquisition system. The system has the advantages of stable operation, accurate detection, processing in time, achieving the real time data recording and displaying and the automatic stopping when in abnormal state, and preventing damage to the fan caused by the locking of the bearing of the air knife and the deterioration of the device due to over high temperature.

Description

technical field [0001] The invention belongs to the field of automatic detection, and in particular relates to a device and a control system for monitoring the operating state and precision of an air knife fan on a cold-rolled galvanizing line by detecting temperature and vibration data. Background technique [0002] The air knife of the cold-rolled galvanizing line adopts a frame structure design. The three-roll system composed of sinking rolls and double stabilizing rolls in the zinc pot can make the strip run stably. Adjusting the insertion depth of the stabilizing rolls can control the shape of the strip. to obtain a uniform coating. The air and nitrogen used by the air knife use the principle of fluid impact to control the weight of the zinc layer. In production practice, the operator mainly adjusts the parameters of the air knife according to the test results of the online thickness gauge to achieve the purpose of controlling the weight of the zinc layer. The air k...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/048
Inventor 陈晓峰王岩松孙伟东
Owner ANGANG STEEL CO LTD
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