Erosion-resistant and break-resistant thermocouple
An anti-fracture, thermocouple technology, applied in the direction of measuring heat, thermometer parts, measuring devices, etc., can solve the problems of shortening the service life of the protection tube, corrosion of the metal protection tube, wear of the protection tube, etc., to improve the sensitivity and accuracy. resistance, avoid erosion or fracture, increase the effect of contact area
Active Publication Date: 2016-02-03
安徽蓝德自动化科技有限公司
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Problems solved by technology
[0003] The protective tube in the traditional thermocouple will wear and corrode after long-term use, and because the fluid flow is fixed in one direction, the protective tube is always worn and corroded in one direction, causing the metal protective tube to erode , perforation, or even breakage, resulting in shortened service life of the protection tube
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[0026] Below, the technical solution of the present invention will be described in detail through specific examples.
[0027] Such as Figure 1-3 as shown, figure 1 It is a structural schematic diagram of an anti-erosion and anti-fracture thermocouple proposed by the present invention; figure 2 It is a structural schematic diagram of the first tube body in an anti-erosion and anti-fracture thermocouple proposed by the present invention; image 3 It is a working principle diagram of an anti-erosion and anti-fracture thermocouple proposed by the present invention.
[0028] refer to Figure 1-3 , an anti-erosion and anti-fracture thermocouple proposed in an embodiment of the present invention, comprising: a junction box 1, a first conductor 2, a second conductor 3, a first insulating sleeve, a second insulating sleeve and a protective tube 4, wherein:
[0029] One end of the protective tube 4 is connected to the shell of the junction box 1, from one end close to the junction...
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The present invention discloses an erosion-resistant and break-resistant thermocouple. The erosion-resistant and break-resistant thermocouple comprises a junction box, a first conductor, a second conductor, a first insulating sleeve, a second insulating sleeve and a protective tube. One end of the protective tube is connected with the junction box, and the protective tube includes a first tube body part and a second tube body part; the first tube body part includes a first flat part and a second flat part, one side of the first flat part is mutually connected with one side of the second flat part, and a V-shaped opening is formed at a gap between the other side of the first flat part and the other side of the second flat part; the first flat part and the second flat part are respectively provided with a first flat cavity and a second flat cavity; the inner cavity of the second tube body part is communicated with the first flat cavity and the second flat cavity; the first conductor and the second conductor are respectively located in the first flat cavity and the second flat cavity, and two ends of the first conductor are connected with two ends of the second conductor to form a loop; and the first insulating sleeve and the second insulating sleeve respectively sleeve the outsides of the first conductor and the second conductor. According to the invention, the problem of erosion or breaking of a protective tube caused by an impact force is avoided.
Description
technical field [0001] The invention relates to the technical field of thermocouples, in particular to an erosion-resistant and fracture-resistant thermocouple. Background technique [0002] Thermocouple (thermocouple) is a commonly used temperature measuring element in temperature measuring instruments. It directly measures the temperature, and converts the temperature signal into a thermal electromotive force signal, and converts it into the temperature of the measured medium through an electrical instrument (secondary instrument). [0003] The protective tube in the traditional thermocouple will wear and corrode after long-term use, and because the fluid flow is fixed in one direction, the protective tube is always worn and corroded in one direction, causing the metal protective tube to erode , perforation, or even breakage, resulting in shortened service life of the protection tube. Needs to be improved. Contents of the invention [0004] Based on the technical probl...
Claims
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Inventor 李正祥陈兴国卢其军仇学玉
Owner 安徽蓝德自动化科技有限公司