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US07008217B2 Safety device for boiler comprising a time delay protected by an electronic circuit 失效
包括由电子电路保护的时间延迟的锅炉的安全装置

  • 专利标题： Safety device for boiler comprising a time delay protected by an electronic circuit
  • 专利标题（中）： 包括由电子电路保护的时间延迟的锅炉的安全装置
  • 申请号： US10482307
    申请日： 2002-05-17
  • 公开(公告)号： US07008217B2
    公开(公告)日： 2006-03-07
  • 发明人: Charles Jacobberger
  • 申请人： Charles Jacobberger
  • 申请人地址： CH Baden
  • 专利权人： ALSTOM Switzerland Ltd
  • 当前专利权人： ALSTOM Switzerland Ltd
  • 当前专利权人地址： CH Baden
  • 代理机构： Sughrue Mion, PLLC
  • 优先权： FR0108988 20010706
  • 国际申请： PCT/FR02/01676 WO 20020517
  • 国际公布： WO03/004936 WO 20030116
  • 主分类号： F23N1/00
  • IPC分类号： F23N1/00
Safety device for boiler comprising a time delay protected by an electronic circuit
摘要：
A safety device for an industrial boiler (CHA) including electromechanical relays (REn, RS), which are connected in series in order to form an electromechanical safety chain (CH1), and at least one shunt relay (RTn) which is normally open and mounted in parallel to one of the electromechanical relays (REN). The shunt relay is controlled by an automaton (AP1) so that it is closed during a time delay. The shunt relay (RTn) is provided with a contact that is connected to an electronic circuit (CEn) and said electronic circuit (CEn) opens an electromechanical relay (RS) which is mounted in series in the safety chain when the shunt relay (RTn) is closed for longer than the time delay. Given the arrangement, in the event of an automaton failure, the time delay is ensured by the electronic circuit so that a satisfactory level of safety is guaranteed in relation to the installation.
摘要（中）：

一种用于工业锅炉（CHA）的安全装置，其包括为了形成机电安全链（CH 1）而串联连接的机电继电器（RE ，RS），以及至少一个分流 继电器（RT＆lt; N＆gt;），其常开并并联安装在机电继电器之一（RE SUB）中。 分励继电器由自动机（AP 1）控制，以便在延时期间关闭。 分路继电器（RT＆lt; n＆gt;）具有连接到电子电路（CE＆amp; n＆gt;）和所述电子电路（CE＆lt; SUB＆gt; >）打开机电继电器（RS），当分路继电器（RT N>）闭合长于时间延迟时，机电继电器（RS）串联安装在安全链中。 考虑到这种安排，在自动机故障的情况下，通过电子电路确保时间延迟，从而相对于安装来保证令人满意的安全等级。

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