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Spiral air curtain cooling lens case of high-temperature industrial television

A technology of high-temperature industry and spiral wind, which is applied in optical and photographic filters, instruments, etc. It can solve the problems of low cooling effect of the lens cooling cover and difficult removal of dirt on the lens, etc., and achieves obvious dust removal effect, Improve the effect of the cooling effect

Inactive Publication Date: 2010-01-13
杨卫中 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a high-temperature industrial TV spiral air curtain cooling lens cover to solve technical problems such as low cooling effect of the lens cooling cover and difficult removal of dirt on the lens.

Method used

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  • Spiral air curtain cooling lens case of high-temperature industrial television
  • Spiral air curtain cooling lens case of high-temperature industrial television
  • Spiral air curtain cooling lens case of high-temperature industrial television

Examples

Experimental program
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Effect test

Embodiment 1

[0019] Such as figure 2 , 3 A spiral air curtain cooling lens cover for a high-temperature industrial television shown has a cover body 1, a through hole 4 is opened in the center of the cover body 1, and an air vortex is formed around the through hole 4 to form an air vortex at the through hole 4 The air-inducing device includes a lens cooling cover 3 arranged in the cover body 1, a lens hole 5 is opened in the center of the lens cooling cover 3, a fixing frame 6 is arranged around the lens cooling cover 3 outward, and the fixing frame 6 is welded to the cover body In 1, the lens cooling cover 3 is provided with an air guide groove 2 centered on the lens hole 5 and distributed spirally. The air guide groove 2 and the inner wall of the cover 1 form an air induction cavity. There is a gap between the lens cooling cover and the cover. 0.6mm.

[0020] The lens cooling cover 3 has a truncated cone shape with six air-inducing grooves 2 on its side. The angle between two adjacent wall...

Embodiment 2

[0023] Such as figure 2 , 3 A spiral air curtain cooling lens cover for a high-temperature industrial television shown has a cover body 1, a through hole 4 is opened in the center of the cover body 1, and an air vortex is formed around the through hole 4 to form an air vortex at the through hole 4 The air-inducing device includes a lens cooling cover 3 arranged in the cover body 1, a lens hole 5 is opened in the center of the lens cooling cover 3, a fixing frame 6 is arranged around the lens cooling cover 3 outward, and the fixing frame 6 is welded to the cover body In 1, the lens cooling cover 3 is provided with an air guide groove 2 centered on the lens hole 5 and distributed spirally. The air guide groove 2 and the inner wall of the cover 1 form an air induction cavity. There is a gap between the lens cooling cover and the cover. 0.6mm.

[0024] The lens cooling cover 3 is in the shape of a truncated cone, with eight air-inducing grooves 2 on its side. The angle between two a...

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Abstract

The invention relates to a protection device of a viewing lens inside a high-temperature heating furnace, in particular to a spiral air curtain cooling lens case of a high-temperature industrial television. The spiral air curtain cooling lens case of the high-temperature industrial television is provided with a case body, the center of the case body is provided with a through hole, and the periphery of the through hole of the case body is provided with an air inducing device which forms an air vortex at the through hole. The spiral air curtain cooling lens case is designed to be formed by utilizing a principle that whirlwind generates low temperature and negative pressure in the center of an air duct, protects a lens from being not radiated by high temperature, greatly enhances the cooling effect and can absorb away dust and oil contaminations on the lens because the central air pressure of the whirlwind can be less than peripheral air pressure by 20 percent, thereby achieving very obvious dust removing effect.

Description

Technical field [0001] The invention relates to a protection device for an observation lens in a high-temperature heating furnace, in particular to a high-temperature industrial television spiral air curtain cooling lens cover. Background technique [0002] High-temperature industrial TV is a kind of equipment for observing and monitoring the high-temperature heating sintering process. It is generally composed of a set of observation lens in the high-temperature heating furnace and a TV display and lens control protection device outside the furnace. The operator can observe the lens through the furnace. It is a kind of equipment that conducts comprehensive and effective image observation of the working conditions in the furnace, flame shape, material surface elevation and other factors, particle status and other factors, and displays it on the TV monitor outside the furnace, which can intervene the operating conditions in the furnace. High-temperature industrial furnace equipment...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B17/55G03B11/04
Inventor 聂荣臻姚立杨卫中
Owner 杨卫中