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Wireless multi-point galvanic couple temperature measurement system

A galvanic couple and multi-point technology, applied in the field of wireless multi-point galvanic couple temperature measurement system, can solve the problems of difficult construction, poor temperature measurement accuracy, and high maintenance difficulty, and achieve less maintenance, long service life, and convenient installation and replacement flexible effects

Inactive Publication Date: 2019-08-23
DALIAN JIATE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the process of metal smelting, it is necessary to bury thermocouples on the top of the furnace hearth in real time for smelting blast furnaces. The pre-embedded thermocouples are all laid by wired cables. Whether using galvanic couple wires or compensation cables, the cost is high and the on-site The construction is difficult during laying, the later maintenance is difficult, and the temperature measurement accuracy is poor

Method used

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  • Wireless multi-point galvanic couple temperature measurement system
  • Wireless multi-point galvanic couple temperature measurement system
  • Wireless multi-point galvanic couple temperature measurement system

Examples

Experimental program
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Embodiment 1

[0013] Embodiment one, see appendix figure 1 , 2 , 4, a kind of wireless multi-point galvanic couple temperature measuring system, comprise the wireless multi-point galvanic couple acquisition machine 1 of DLJTK-2000, display screen 2 and antenna 3 are housed on wireless multi-point galvanic couple acquisition machine 1, it is characterized in that The application site is installed on the hearth top of the blast furnace to pre-embed the wireless multi-point galvanic sensor 4, and the temperature signal detected by the wireless multi-point galvanic sensor 4 is transmitted wirelessly to the antenna 3 and the wireless multi-point galvanic collector 1; the wireless multi-point The galvanic couple sensor 4 consists of a sealed sensor housing 4-1 and three sensor protection tubes 4-2 welded at one end; a sensor probe 7 is installed in the hole of the sensor protection tube 4-2; the sensor probe 7 is connected to the sensor with a wire 8 The 1, 2, and 3 pins of the thermocouple digi...

Embodiment 2

[0015] Embodiment two is attached figure 1 , 3 , 4, its structure is basically the same as embodiment one, and its difference is that there is only one sensor protection tube 4-2, and three sensor probes 7 are installed in the cavity, while embodiment one is three sensor protection tubes 4-2, the cavity Only one sensor probe 7 is installed.

[0016] The present invention adopts a wireless method for temperature measurement, which can collect the temperature of wireless multi-point galvanic couple sensors 4 at multiple temperature measuring points in real time, and transmit the temperature data to the wireless multi-point galvanic couple acquisition machine 1 in a wireless manner. The galvanic couple collection machine 1 can be networked in a wired or wireless manner, and finally the temperature data is transmitted to the back-end PLC or other background processing systems through the download circuit 6-5 in the circuit board 6 for control.

[0017] Wiring-free on site, compa...

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Abstract

The invention belongs to a wireless multi-point galvanic couple temperature measurement system. The system includes a wireless multi-point galvanic couple collector (1) of DLJTK-2000; the wireless multi-point galvanic couple collector (1) is provided with a display screen (2) and an antenna (3), and is characterized in that a wireless multi-point galvanic couple sensor (4) pre-embedded in the topof a blast furnace crucible is installed on an application site; a temperature signal detected by the wireless multi-point galvanic couple sensor (4) is transmitted to the antenna (3) and the wirelessmulti-point galvanic couple collector (1) through a wireless manner; a sensor probe (7) is connected to first, second and third pins of thermocouple digital converters U2, U3 and U4 in a control circuit board (6) installed in a sensor shell (4-1) through a lead (8); and the circuit board (6) is powered by a battery (5) installed in the sensor shell (4-1). The system realizes the real-time monitoring on smelting blast furnace temperature in a wireless manner, wiring is not needed, so that the system is convenient and flexible in installation and replacing, extremely less in maintenance amount,long in service life and high in detection precision.

Description

technical field [0001] The invention belongs to a temperature monitoring system, in particular to a wireless multi-point galvanic couple temperature measuring system for a smelting blast furnace. Background technique [0002] At present, in the process of metal smelting, it is necessary to bury thermocouples on the top of the furnace hearth in real time for smelting blast furnaces. The pre-embedded thermocouples are all laid by wired cables. Whether using galvanic couple wires or compensation cables, the cost is high and the on-site The construction is difficult during laying, the later maintenance is difficult, and the temperature measurement accuracy is poor. Contents of the invention [0003] The purpose of the present invention is to overcome the above-mentioned technical deficiencies, and provide a wireless multi-point galvanic couple temperature measurement system with wireless mode, multi-point temperature collection, small module, simple and reliable installation, ...

Claims

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Application Information

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IPC IPC(8): G01K1/02G01K1/08G01K7/02G08C17/02G01K1/024
CPCG01K1/024G01K1/026G01K1/08G01K7/02G08C17/02
Inventor 张文举
Owner DALIAN JIATE TECH