汽車專業(yè)畢業(yè)設(shè)計(jì)外文翻譯--srs安全氣囊和空調(diào)系統(tǒng)-汽車設(shè)計(jì)-在線瀏覽
2025-07-30 22:47本頁(yè)面
【正文】 er 過(guò)濾器 Drier 干燥器 To expansion valve 到膨脹閥 原文 SRS Airbag and Air Conditioning system Passage A SRS Airbag Airbag are known as Supplemental Restraint System（ SRS） and has bee more mon in modern cars. The bag itself is made of a thin, nylon fabric, which is folded into the steering wheel or dashboard or, more recently, the seat or door. If airbags are fitted, the steering wheel cover and dashboard cover will usually have the words airbag or SRS airbag stamped into them. The sensors detect impact and signal the airbag to inflate. At least two sensors must be activated for the airbag to inflate. There are usually five sensors: two at the radiator support, one at the righthand fender apron, one at the lefthand fender apron, and one at the cowl in the passage partment (A few system use only sensors— one in front of the radiator and anther in the passenger partment). There is an interlock between the sensors, so that two or more must work together to trigger the system. The airbag systems are designed to deploy in case of frontal collisions only. The SRS airbag inflator contains a solid chemical gas generator. The solid chemicals are safely stored in a metal chamber inside the SRS airbag module. Each inflator is sealed to keep out moisture. SRS airbag are designed to deploy in moderate to major crashes only and should not deploy in minor crashes. The following four steps show how the SRS airbag works: 1. In an impact, sensors in the car detect the sudden deceleration. If the crash id severe enough, electricity flows to the inflator and causes ignition of the gas generator. 2. The gas generator then rapidly burns in the metal chamber. The rapid burning produces inert gases and amounts of dust. The insert gases and dust are cooled and filtered during inflation of the airbag. 3. The inflating airbag splits open the trim cover. The airbag then rapidly unfolds and inflates in front of the occupant. 4. After inflation, the gas is vented through openings or open weave areas in the airbag. These steps take place in a fraction of a second. Airbags deflate in under a second and may be pushed aside for occupants to exit. See There is a general misconception that airbags provide a soft cushion and will prevent bruising or other minor injuries in low severity crashes— this is incorrect. SRS airbags are designed to reduce peak loads on the head chest in severe crashes (those where death or long term brain injury are possible). When deploying, the airbag is firm, but it absorbs energy as the gases are released through the vents. While airbags significantly reduce the risk of serious or fatal injury in crashes, there are some risks from the development of airbags in low speed crashes. For this reason modern cars use a range of intelligent sensing functions to ensure that a crash is really happening (not just a bump in the road or a minor knock in the car park) and to fir
畢業(yè)設(shè)計(jì)相關(guān)推薦
鄂ICP備17016276號(hào)-1