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A ventilated and rainproof structure

A technology of ventilation holes and structural forms, applied in the direction of electrical equipment casings/cabinets/drawers, casings/cabinets/drawer parts, electrical components, etc., can solve problems such as failure to pass tests, failures, and circuit short circuits, and achieve Good practical significance, simple structure, good effect

Active Publication Date: 2019-11-15
XIAN AVIATION COMPUTING TECH RES INST OF AVIATION IND CORP OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For products that require ventilation, if there are no rain protection measures, rainwater may enter the product through the ventilation holes during the test, which may cause a short circuit in the circuit and cause a failure, failing the test

Method used

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  • A ventilated and rainproof structure
  • A ventilated and rainproof structure
  • A ventilated and rainproof structure

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Experimental program
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Embodiment Construction

[0017] Below in conjunction with accompanying drawing, the present invention is further described:

[0018] Such as figure 1 As shown, a ventilation and rainproof structure, including the chassis body, the upper part of the chassis is designed with a groove, and there is a boss in the groove. The height of the boss should not be less than 4mm, so as to prevent water from entering the inside of the chassis due to tension over the boss. A rain shield is installed on the top of the groove, and a rain shield is arranged on the rain shield. The width between the rain shield should be more than 4mm wider than that of the boss, so as to facilitate ventilation and reduce wind resistance. Drainage holes are designed around the bottom of the groove, and the diameter of the drainage holes should be more than 5mm to prevent poor drainage due to water tension. Ventilation holes are set on the boss in the groove, the upper surface of the ventilation hole is higher than the bottom surface o...

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PUM

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Abstract

The invention belongs to the field of electronic equipment cases, in particular to a ventilation and rainproof structure. A rain shield is added, and the case structure is improved according to the rain shield. Thus, the ventilation and rain-proofing requirements are met, and the novel structure required by rain test is realized. The test shows that the effect is good. Rain can be completely prevented from entering the inside of the product, and there is no water trace in the case. The ventilation and rainproof structure is simple and easy to implement, and is of great practical significance.

Description

technical field [0001] The invention belongs to the field of electronic equipment cabinets, in particular to a ventilation and rainproof structure. Background technique [0002] As aircraft become more powerful, so do the demands placed on onboard electronics. At present, many airborne electronic devices need to be subjected to rain test. For products that require ventilation, if there are no rain protection measures, rainwater may enter the product through the ventilation holes during the test, which may cause a short circuit in the circuit and cause a failure, failing the test. Contents of the invention [0003] Purpose of the present invention: to invent a new structural form that can meet the requirements of ventilation and rain. [0004] The technical scheme of the present invention: a ventilating and rainproof structure, including the chassis body, characterized in that: the upper part of the chassis is designed with a groove, the groove has a boss, the top of the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05K5/02
CPCH05K5/0213H05K5/0217
Inventor 郭建平杨明明赵亮白振岳赵航董进喜
Owner XIAN AVIATION COMPUTING TECH RES INST OF AVIATION IND CORP OF CHINA