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Electric heating and blowing defrosting device for optical window

A blowing defrosting and optical window technology, which is applied in the direction of air heaters, fluid heaters, lighting and heating equipment, etc., can solve problems such as the absence of multiple needs, and achieve improved heating efficiency, improved purging and heating range, and improved Effect of purge efficiency

Active Publication Date: 2014-09-10
BEIJING HUAHANG RADIO MEASUREMENT & RES INST
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

But there is no such device that can realize multiple demands in the prior art

Method used

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  • Electric heating and blowing defrosting device for optical window
  • Electric heating and blowing defrosting device for optical window

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Embodiment Construction

[0021] The present invention will be described in more detail below with reference to the accompanying drawings. It should be noted that the following preferred embodiments are not intended to limit the present invention.

[0022] refer to figure 1 , which shows an electric heating blower defrosting device of the present invention, including a micro-vacuum pump 1, rubber hoses 2, 3, 4 of the air pipeline, a split tee 5 and two sets of heating parts 6, 7. It is characterized in that the high-pressure airflow output by the micro-vacuum pump 1 reaches the tee 5 through the rubber hose 2, and is divided into two paths. The air is blown out from the blowing nozzle after being heated by the heating part.

[0023] In this embodiment, the form of two-way blowing pipes is adopted, but the form of multi-way blowing pipes can be adopted as required. After the air flow comes out from the vacuum pump, it first enters the air distribution cavity, and after the air flow is evenly distribut...

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Abstract

The invention provides an electric heating and blowing defrosting device for an optical window. The electric heating and blowing defrosting device comprises a miniature vacuum pump and airflow heating portions. The miniature vacuum pump is used for pumping airflow to airflow distributing cavities, heating rods are arranged in the airflow heating portions, the airflow heating portions are used for heating the airflow, and the miniature vacuum pump, the airflow distributing cavities and the airflow heating portions are connected with one another by rubber hoses. The electric heating and blowing defrosting device has the advantages that the electric heating rods are suspended in the centers of supporting seat shells by front and rear supports, the airflow flows through uniform gaps around the heating rods, and accordingly the heating efficiency can be improved; the airflow is divided into multiple channels to be outputted, and accordingly blowing and heating ranges can be expanded; the high-pressure airflow is provided by the miniature vacuum pump, and accordingly the blowing efficiency can be improved.

Description

technical field [0001] The invention relates to a defrosting device, in particular to an electric heating blowing defrosting device. Background technique [0002] When the external temperature of the optical window of the outdoor equipment is low, the inner wall of the window will condense water mist or even frost. Fog or frost on the window will affect the use of the device, and measures need to be taken to eliminate it. There are many ways to defrost or defog the optical window. One is to paste heating wire on the surface of the window, and the other is to blow the window with hot air to increase the temperature of the window and evaporate the frost or fog. [0003] The hot air blowing technology in the prior art usually uses a disc-shaped heating wire to add a blower or a fan. However, in this way, the equipment is too large and the temperature rise rate of the airflow is slow, which is not conducive to rapid defrosting. At the same time, since the optical lens is a ver...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H3/04
Inventor 董志江王艳晖
Owner BEIJING HUAHANG RADIO MEASUREMENT & RES INST
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