发明名称 |
A SAFETY CIRCUIT, A SAFETY CIRCUIT OPERATION METHOD AND AN ELECTRICALLY OPERATED MOTOR COMPRISING A SAFETY CIRCUIT |
摘要 |
A safety circuit for temperature tripping with redundancy is disclosed. The safety circuit comprises a first temperature evaluation module comprising a first input arranged to receive a first input signal derived from a temperature by means of a temperature-dependent element; the first temperature evaluation module further comprising a first output arranged to provide a first output signal corresponding to said determined first temperature state. The safety circuit further comprises a second temperature evaluation module comprising a second input arranged to receive a second input signal derived from said temperature by means of said temperature-dependent element, the second input signal being different from said first input signal; the second temperature evaluation module further comprising a second output arranged to provide a second output signal corresponding to said determined second temperature state. The safety circuit further comprises a tripping monitoring unit connected to said first and second outputs and being arranged to establish a tripping command signal when at least one of said first and second output signals changes to a trip state.A safety circuit operation method and an electrically powered motor comprising the safety circuit are further disclosed. |
申请公布号 |
WO2017000965(A1) |
申请公布日期 |
2017.01.05 |
申请号 |
WO2016DK50228 |
申请日期 |
2016.06.29 |
申请人 |
LODAM ELECTRONICS A/S |
发明人 |
MARCUSSEN, Claus |
分类号 |
G05D23/30;G01K3/00;G01K15/00 |
主分类号 |
G05D23/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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