System and method for testing cooling performance of quenching medium based on ZigBee

A quenching medium and cooling performance technology, applied in the field of quenching medium cooling performance test system, can solve the problems of easy data loss, troublesome serial port operation, etc., achieve good compatibility, satisfy multi-point measurement, and high sampling accuracy

Inactive Publication Date: 2015-05-06
HOHAI UNIV CHANGZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the data processing terminal of the existing equipment uses a serial port to connect to the computer for data export. Both need to be turned on at the same time, which is troublesome to operate and the serial port is easy to lose data; Very convenient

Method used

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  • System and method for testing cooling performance of quenching medium based on ZigBee
  • System and method for testing cooling performance of quenching medium based on ZigBee

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] figure 1 A functional block diagram of the temperature collection terminal of the present invention is shown.

[0019] figure 2 A functional block diagram of the data processing terminal of the present invention is shown.

[0020] like figure 1 and figure 2 Shown, a kind of quenching medium cooling performance testing system of the present invention comprises:

[0021] A data processing terminal and at least one temperature collection terminal, wherein data is transmitted wirelessly between the temperature collection terminal and the data processing terminal.

[0022] Further, the temperature acquisition terminal includes: a temperature acquisition module, a signal conditioning module, an A / D conversion module, a first ZigBee module and a first processor module; the temperature acquisition module communicates with the signal conditioning module, the A / D conversion module and The signal input terminals of the processor module are connected, and the processor modul...

Embodiment 2

[0027] On the basis of Embodiment 1, the present invention also provides a method for testing the cooling performance of a quenching medium, including: wirelessly transmitting data between a temperature collection terminal and a data processing terminal.

[0028] Further, the temperature acquisition module in the temperature acquisition terminal is a nickel alloy metal probe, and the test method of the quenching medium cooling performance test method includes: the nickel alloy probe (specifically, a nickel alloy probe using an armored K-type thermocouple) Metal probe) is heated in the furnace to above the set temperature (for example 850°C), and then put into a certain volume of quenching medium (quenching oil) to be tested; when the temperature drops to the set temperature (850°C), the After the temperature change data of the recorded probe core is sent to the data processing terminal, the cooling characteristic curve and cooling rate characteristic curve of the quenching medi...

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Abstract

The invention discloses a system and a method for testing the cooling performance of a quenching medium based on ZigBee. The system for testing the cooling performance of the quenching medium comprises a data processing terminal and at least one temperature acquisition terminal, wherein data is wirelessly transmitted between the temperature acquisition terminal and the data processing terminal. According to the system and the method for testing the cooling performance of the quenching medium, temperature data is wirelessly transmitted. Temperature data of the quenching medium is acquired by virtue of the convenient and efficient temperature acquisition terminal which has the advantages of relatively high sampling precision and high sampling rate and can immediately and accurately reflect the temperature change of the quenching medium in the cooling process. Moreover, interference of the field environment and the strong current apparatuses (contactors and circuit breakers) on sensor signals can be eliminated to the maximum extent.

Description

technical field [0001] The invention relates to a quenching medium cooling performance test system based on ZigBee wireless technology. The system adopts a low-power processor and high-efficiency ZigBee wireless transmission technology, and belongs to the technical field of wireless communication and embedded systems. Background technique [0002] The demand for heat treatment of parts continues to increase and requires more precise control of the heat treatment process. One of the most urgent and difficult to control is the quenching part of the heat treatment process. If the quenching medium is not selected properly, or the cooling characteristics of the quenching medium are not observed correctly, the product may not meet the requirements, resulting in certain losses. These losses include corrections, rework and even scrap, delayed delivery and sometimes loss of reputation. The key to heat treatment is to understand the cooling properties of the quenching medium. In or...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N25/20
Inventor 傅强曹玉国吴军
Owner HOHAI UNIV CHANGZHOU
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