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Multi-point type flexible thermocouple probe tube with parallel positive electrode hot ends for heating furnace

A thermocouple and multi-point technology, applied in the direction of thermometers using electric/magnetic elements that are directly sensitive to heat, using electrical devices, using electromagnetic means, etc., can solve the needs of installation convenience and wiring that cannot meet the volume requirements Complicated, time-consuming installation and other issues, to achieve the effect of high adaptability, small size, and simple installation

Inactive Publication Date: 2022-01-28
伟凯美(深圳)自动化技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Existing temperature monitoring for heating furnaces, long-term temperature monitoring in the temperature range of -150 ° C to 450 ° C using an independent single thermocouple monitoring armored stainless steel protection tube, such a design and installation time-consuming, complex wiring, data The design of the collector cannot be miniaturized. The diameter of a single temperature measurement point is between 2-8mm, but for multi-point temperature monitoring, the more test points, the more crowded the space. Such a design cannot Meet the volume requirements of the multi-point temperature monitoring of the heating furnace cavity limited by space and the requirements of convenient installation

Method used

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  • Multi-point type flexible thermocouple probe tube with parallel positive electrode hot ends for heating furnace
  • Multi-point type flexible thermocouple probe tube with parallel positive electrode hot ends for heating furnace
  • Multi-point type flexible thermocouple probe tube with parallel positive electrode hot ends for heating furnace

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Embodiment Construction

[0016] Below, in conjunction with accompanying drawing and specific embodiment, the invention is further described:

[0017] see Figure 1-3 , according to an embodiment of the present invention, a multi-point flexible thermocouple probe tube for parallel connection of the positive hot end of a heating furnace, including a thermocouple collector, a thermocouple probe tube, a thermocouple probe, an extension cable and a connector, The thermocouple assembly is composed of 19 thermocouples with the largest number of thermocouples in the smallest cross-section. It is a total of 38 thermocouples with glass fibers of 0.25mm (or other sizes) with positive and negative poles (positive and negative poles) Each 19) metal wires are assembled in a corrosion-resistant stainless steel with a diameter of less than 6mm and a length of 10mm (or other sizes) of stainless steel sleeves (the thickness of the stainless steel sleeve is 1mm or other sizes), so that the thermocouple can The distance...

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Abstract

The invention discloses a multi-point type flexible thermocouple probe tube with parallel positive electrode hot ends for a heating furnace, and the multi-point type flexible thermocouple probe tube comprises a thermocouple collector, a thermocouple probe tube, thermocouple probes, an extension cable and a connector, the thermocouple collector is fixedly arranged on one end of the thermocouple probe tube, the other end of the thermocouple collector is connected with the connector through the extension cable, the thermocouple probes are evenly distributed and installed in the thermocouple probe tube, and the thermocouple collector is formed by installing the maximum number of thermocouples on the smallest cross section of 19 thermocouples, a total of 38 thermocouple positive and negative electrodes which are provided with glass fibers and are 0.25 mm are respectively provided with 19 metal wires which are integrated in a stainless steel pipe sleeve which is corrosion-resistant stainless steel with the diameter being within 6 mm and the length being 10 mm, the thermocouple probe tube is a slender sensor and comprises 19 thermocouple temperature measurement welding spots, the welding spots are subjected to argon arc welding, the temperature measurement welding spot is composed of thermocouple positive and negative electrodes. The multi-point type flexible thermocouple probe tube is easy and fast to install and small in size.

Description

technical field [0001] The invention relates to the field of multi-point temperature measurement of heating furnaces, in particular to a multi-point flexible thermocouple probe tube used in parallel connection of positive hot ends of heating furnaces. Background technique [0002] In industries such as SMT, solar energy, steel, food baking, etc., products need to be heated by air heat convection / reflux in the heating furnace, so the temperature of heat convection / reflux in the air is very critical. [0003] At present, in the temperature test of the furnace temperature zone of the heating furnace, the temperature measured by the thermocouple at the air outlet of the heating furnace is used as the temperature of this temperature zone, but there is a certain distance from the air outlet of the heating body at the position where the product passes through. When passing through the reflow furnace, the temperature in the air in this temperature zone will be absorbed by the produc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K7/02
CPCG01K7/02
Inventor 陈仕健孟桢沛彭鹏
Owner 伟凯美(深圳)自动化技术有限公司
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