Oct 24, 2008 16:01
15 yrs ago
English term

fail-in place

English to Chinese Tech/Engineering Mechanics / Mech Engineering Valve
the context: The hydraulic double acting actuator is designed as a fail-in place operator. which is used where complete control of teh gate valve position is required.

Proposed translations

19 hrs
Selected

紧急持位;故障持位;紧急自持位;紧急自我保持;紧急钳位

仔细研究了一下几种具有应急自动处理功能的阀门及其执行装置,发现基本分为四类:(1)紧急(故障)关闭式,出现故障如停电、控制信号(不管是电信号、压缩空气还是液压信号)消失等紧急情况后,可以自动关闭;(2)紧急(故障)开启式,出现故障如停电、控制信号(不管是电信号、压缩空气还是液压信号)消失等紧急情况后,可以自动开启;(3)紧急(或故障)自持位式,即出现故障如停电、控制信号(不管是电信号、压缩空气还液压信号)消失等紧急情况后,保持故障发生前的位置不变,也可以称为紧急(或故障)自持位、紧急自我保持等;(4)紧急(故障)自复位,出现故障如停电、控制信号(不管是电信号、压缩空气还液压信号)消失等紧急情况后,自动恢复到平常安全位置。

对于IT系统的fail in place功能,基本思路大致与此类似,因非本问所系,此处不论。

就本问而言,其实后面的从句部分已从一定程度说明该功能的主要特点或要求:which is used where complete control of the gate valve position is required,也就是说这种装置要什么情况下呢,就是需要完全地控制闸阀位置的情况下,换句话说即,不管发生什么情况,一定要它保持在所需的位置上。比如,需要控制在四分之一流量,本来已经调整到位,但突然控制信号消失了,不要紧,装置还有自持位功能,没信号也能继续保持在这一位置。当然,如果是出故障前已关闭,那么就继续自动保持在关闭状态。

有的也称为fail freeze功能,这个可能更好理解些。

其具体工作原理可以参考以下资料:
http://www.cancoppas.com/ep5_fail_freeze.html

http://www.maintenanceresources.com/referencelibrary/control...

http://www.freepatentsonline.com/5654885.html

http://www.vacaccessories.com/pdfs/vac failfreeze flyer.pdf


http://www.pmvpositioners.nu/downloads/Brochure EP5 Failfree...
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1 hr

故障应急式

fail-in place operator
故障应急式作业装置

就是说 The hydraulic double acting actuator 的设计主要是为了在出发故障时“到场”进行应急处理。

以下信息供参考
Example sentence:

宽端口和多路径接口为fail-in-place 恢复提供宽带管理以及超量供给 ... 网格中的超量供给为实现fail-in-place 恢复提供了充足的资源,从而避免系统停机 ...

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17 hrs

故障复位,自动复位

FYI
http://www.china-tjf.com/question/answer.asp?id=17#A

http://www.mitech.co.za/glossary.html
Fail-In-Place
A term used to describe the ability of an actuator to stay at the same percent of travel it was in when it lost its air supply. On spring return actuators this is accomplished by means of a lock up valve. On piston actuators a series of compressed air cylinders must be employed.

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Note added at 17小时 (2008-10-25 09:06:07 GMT)
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仅供参考
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18 hrs

应急替补;自动替补

表示这种东西能够自动取代原先装置的功能、并且自动 到位
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