Thermocouple leading device

A technology for extracting devices and thermocouples, applied in the direction of using electrical devices, measuring devices, measuring heat, etc., can solve problems that affect the normal operation and use of equipment, air leakage, etc., and achieve the effect of solving sealing problems and good sealing performance

Inactive Publication Date: 2012-01-25
无锡四方集团真空炉业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current thermocouples are basically installed by opening installation holes on the furnace wall and inserting the thermocouple directly into the furnace chamber. This installation method will involve the problem of sealing. At present, more single-layer sealing structures are used, but in some In containers with negative pressure or positive pressure, it is found that in some cases, this sealing method will cause a certain degree of air leakage, which will affect the normal operation and use of the equipment.

Method used

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with specific drawings.

[0014] As shown in the figure: the thermocouple lead-out device includes a gasket 1, a pressure pad 2, a compression screw 3, a thermocouple 4, a first O-ring 5, a thermocouple connection seat 6, a hexagonal bolt 7, and a first hexagonal nut 8. First flat washer 9, flange cover 10, protective cover 11, cross recessed pan head screw 12, terminal post 13, insulating seat 14, second O-ring 15, second hex nut 16, second flat Gasket 17 etc.

[0015] The present invention comprises a thermocouple connection base 6, a thermocouple 4 is installed at the lower end of the thermocouple connection base 6, an insulating seat 14 is arranged on the upper end of the thermocouple connection base 6, and a second hex nut 16 and a second A flat washer 17 is installed with a terminal post 13; the insulating seat 14 is covered with a flange cover 10 and a protective cover 11 fixed on the flange co...

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Abstract

The invention relates to a thermocouple leading device which comprises a thermocouple connecting base, wherein the lower end of the thermocouple connecting base is provided with a thermocouple, an insulating base is arranged at the upper end of the thermocouple connecting base, and a wiring pole is arranged on the insulating base. The thermocouple leading device is characterized in that a flange cover and a protective cover fixed on the flange cover are covered on the insulating base, and the thermocouple is fixed at the lower end of the thermocouple connecting base through a compression screw and sealed by a seal pad and a gasket; a second O-shaped seal ring for sealing is arranged between the insulating base and the thermocouple connecting base, and a first O-shaped seal ring is arranged on the contact surface of the thermocouple connecting base with a furnace body. The thermocouple connecting base is respectively fixed with the furnace body and the flange cover by a hexagon bolt, a first hexagon nut and a first gasket. The thermocouple is a twin platinum-rhodium10-platinum thermocouple. With the thermocouple leading device, better seal property can be obtained, and the seal problem can be better solved.

Description

technical field [0001] The invention relates to a thermocouple lead-out device, in particular to a thermocouple lead-out device for industrial furnaces. Background technique [0002] Various thermocouples are widely used in industrial production for temperature measurement and temperature control operations. For example, in the heat treatment industry, temperature, as a key factor in production, must be accurately and effectively controlled. The current thermocouples are basically installed by opening installation holes on the furnace wall and inserting the thermocouple directly into the furnace chamber. This installation method will involve the problem of sealing. At present, more single-layer sealing structures are used, but in some In containers with negative pressure or positive pressure, it is found that in some cases, this sealing method will cause a certain degree of air leakage, which will affect the normal operation and use of the equipment. Contents of the invent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K7/02
Inventor 茆林凤
Owner 无锡四方集团真空炉业有限公司
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