A double-type closed space external gas barrier device
Patent Information
- Authority / Receiving Office
- CN ยท China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- NEWLAND DIGITAL TECH CO LTD
- Publication Date
- 2018-09-14
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Abstract
Description
technical field
[0001] The invention relates to the field of fluid technology, in particular to a double-type closed space external gas barrier device. Background technique
[0002] During the whole process of vehicles passing through the ticket booth and interacting with the staff in the ticket booth, the window of the ticket booth must be kept open all the time. The exhaust gas and peculiar smell of the vehicle will enter the airtight ticket booth through the window of the ticket booth, causing physical damage to the staff. hurt. In addition, harmful gases such as smog can easily enter the relatively airtight ticket booth through this window. Since the ticket booth window is the channel for the staff to interact with the outside world, and the frequency of use is extremely high, it is impossible to install some actual automated isolation equipment on the window. Contents of the invention
[0003] The purpose of the present invention is to propose a double-type closed s...