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Electronic display device mounted on air supply valve and realizing visual range increment through reflection principle

An electronic display and air supply valve technology, applied in display devices, respiratory protection devices, optics, etc., can solve problems such as short viewing distance and discomfort for the wearer to observe, and achieve the effect of increasing the viewing distance and improving the viewing experience.

Inactive Publication Date: 2018-12-11
FENAN IND & TRADE SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0002] The current positive pressure fire-fighting air respirator and the electronic display device on the air supply valve of the self-contained open-circuit compressed air respirator are too close to the eyes of the wearer, causing the sight distance to be too short, which brings great inconvenience to the wearer's observation. big discomfort

Method used

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  • Electronic display device mounted on air supply valve and realizing visual range increment through reflection principle

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Embodiment Construction

[0013] Such as figure 1 As shown, the present invention is installed on the air supply valve and increases the viewing distance electronic display device through the principle of reflection, including window lens 201, electronic display main housing 202, reflective housing 203, reflective mirror surface 204, display screen 205 and The rear cover 207 of the electronic display device, the main casing 202 of the electronic display is fixedly arranged on the air supply valve 1, the reflective casing 203 is matched and arranged in the main casing 202 of the electronic display, and the main casing of the electronic display The upper side of the casing 202 is provided with a through hole for installing the window lens 201, and the window lens 201 is fixedly installed on the outside of the through hole, and the window lens 201 corresponds to one end of the reflecting housing 203 through the through hole, and the reflecting The other end of the casing 203 is provided with a display scr...

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Abstract

The invention belongs to the fields of positive pressure type fire-fighting air breathing apparatuses and self-supporting open type compressed air breathing apparatuses, and in particular discloses anelectronic display device mounted on an air supply valve and realizing visual range increment through the reflection principle. For the electronic display device, by arranging at least one reflectionmirror in the electronic display device, the visual range between a display screen and a viewing window lens is increased by utilizing the at least one reflection mirror, therefore, the visual rangeis obviously longer than the visual range of the manner that light rays emitted by the display screen directly radiate the human eyes through the viewing window, and thus the observation experience feeling of a wearer is improved.

Description

technical field [0001] The invention discloses an electronic display device installed on an air supply valve to increase the viewing distance through the principle of reflection. The display screen involved in the display device includes all types of displays such as HUD display, digital symbol icon display, image and video display, etc. The screen belongs to the field of positive pressure fire-fighting air respirator and self-contained open circuit compressed air respirator. Background technique [0002] The current positive pressure fire-fighting air respirator and self-contained open-circuit compressed air respirator are located on the electronic display device on the air supply valve. Because the distance from the wearer's eyes is too close, the visual distance is too short, which brings great difficulties to the wearer's observation. Great discomfort. Contents of the invention [0003] The present invention overcomes the deficiencies in the prior art, and provides an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09F19/16G02B17/02A62B9/00
CPCG09F19/16A62B9/00G02B17/023
Inventor 彭泉
Owner FENAN IND & TRADE SHANGHAI
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