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Method for calculating temperature rise in double-frequency quenching machining transition process

A technology of transition process and calculation method, which is applied in the direction of program control, instrumentation, electrical test/monitoring, etc., can solve the problem that the fault cannot be detected by the sensor cost, etc., to increase the cost of installation and monitoring, accurately detect faults, and have a wide range of applications Effect

Inactive Publication Date: 2020-05-12
WUHAN TEXTILE UNIV
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Problems solved by technology

[0005] The purpose of the present invention is to overcome the problem in the prior art that the fault cannot be detected by the sensor or the cost of the sensor detection is high, and to provide a method for calculating the temperature rise in the transition process of dual-frequency quenching using low-cost sensor detection

Method used

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  • Method for calculating temperature rise in double-frequency quenching machining transition process
  • Method for calculating temperature rise in double-frequency quenching machining transition process
  • Method for calculating temperature rise in double-frequency quenching machining transition process

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Embodiment 1

[0105] see figure 1 – Figure 8 , a method for calculating the temperature rise in the transition process of dual-frequency quenching, said method comprising: data collection and storage, data processing and analysis, and data diagnosis and alarm in three steps:

[0106] The first step, data collection and storage: use the sensor on the submersible pump to collect the state parameters of the main pump motor operating current, hydraulic system pressure, submersible pump outlet pressure, submersible pump outlet flow, hydraulic system temperature and STC valve pressure, and then The above six state parameters are transmitted to the quantization device in real time for quantization processing, and finally the parameters after the quantization processing are respectively transmitted to the storage device and the diagnosis device, and the storage device stores the collected data for future use;

[0107] The second step, data processing and analysis: the diagnostic device establishe...

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Abstract

The invention discloses a method for calculating temperature rise in a double-frequency quenching machining transition process. The method comprises three steps of data collection and storage, data processing and analysis and data diagnosis and alarm. According to the design, a multivariate data analysis method is adopted to accurately reflect fault information in the system, coupling of multiplevariables in the system is analyzed, a new comprehensive index is formed, and the new index can comprehensively reflect faults occurring in an original system. The design not only can accurately reflect the fault type of the immersed pump and effectively improve the reliability of an immersed pump system, but also is wide in application range and low in manufacturing and operating cost.

Description

technical field [0001] The invention relates to a method for calculating the temperature rise in the transition process of dual-frequency quenching, which is particularly suitable for calculating the quenching temperature. Background technique [0002] Currently, FPSO platform or oil tanker submersible cargo handling system equipment is still blank in China. The power source of submersible pump is hydraulic drive. The importance of hydraulic drive system is self-evident. Therefore, the reliability and safety of the hydraulic system are system A key factor for safety and reliability. In order to ensure the reliability and safety of the submersible pump, it is of great significance to adopt the fault detection technology suitable for the working conditions of the submersible pump system. [0003] Some important faults of the submersible pump system cannot be detected by sensors or the cost of detection by sensors and construction costs are too expensive. Through the analysis ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B23/02
CPCG05B23/0262G05B2219/24065
Inventor 吴雨川周国鹏钮雨欢段建民
Owner WUHAN TEXTILE UNIV
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