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                                        汽車空調用制冷壓縮機耐壓強度及耐久性試驗方法簡介

                                        2018-10-26 0

                                        汽車空調用制冷壓縮機耐壓強度及耐久性試驗方法:

                                        1、耐壓強度試驗

                                        在壓縮機機體內充注5℃~30℃的水或其他合適液體,排出機體內氣體,加壓到高壓側6.5MPa、低壓側2.5MPa,保持1min。

                                        2、耐久性試驗

                                        壓縮機連接到試驗系統后,將其抽真空,并充入適量制冷劑。按下表1或下表2規定的試驗條件,調節吸排氣壓力和開停時間進行耐久性試驗。

                                        試驗工況項目壓縮機型式低速試驗高速試驗超高速試驗
                                        壓縮機轉速 /(r/min)曲柄連桿活塞式800~1002000~25003000~3500
                                        斜盤活塞式900~11003500~45006000~6500
                                        旋轉式1000~12005000~60006500~7000
                                        渦旋式1200~15006500~70007500~8000
                                        排氣壓力Mpa2.51~2.861.27~1.341.13~1.28
                                        吸氣壓力0.38~0.450.13~0.240.029~0.087
                                        壓縮機環境溫度 /℃105~11560~7050~60
                                        離合器循環接通 /s連續105
                                        斷開 /s55
                                        運轉時間 /h3007002

                                        表1  開啟式壓縮機耐久性試驗工況

                                        試驗工況項目名義工況最大功率工況低吸氣壓力工況
                                        排氣壓力 /Mpa1.53~1.661.27~1.341.13~1.28
                                        吸氣壓力 /MPa0.26~0.340.13~0.240.029~0.087
                                        壓縮機環境溫度 /℃60~70105~11550~60
                                        運轉時間 /h500400100

                                        表2  半(全)封閉式壓縮機耐久性試驗工況

                                        試驗完畢后,進行名義工況制冷量、輸入功率、噪聲試驗,將試驗結果與耐久性試驗前測試的名義工況制冷量、輸入功率、噪聲試驗結果進行比較。

                                        以上就是關于“汽車空調用制冷壓縮機耐壓強度及耐久性試驗方法簡介”的所有內容,如需了解汽車空調用制冷壓縮機耐壓強度試驗機及耐久性試驗機的,請與我們聯系!電話:0755-8889 8859  QQ:459675648.

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