发明名称 |
LUBRICANT DETERIORATION SENSOR AND OPTICAL SENSOR |
摘要 |
One object is to provide a lubricant deterioration sensor that can maintain accuracy of sensing the deterioration of a lubricant having low transmissivity and an optical sensor used therein for sensing the amount of received light. The lubricant deterioration sensor is used for determining deterioration state of a lubricant. The lubricant deterioration sensor includes an optical sensor having: an LED for emitting detection light; an oil entering gap in which the detection light passes through a lubricant to be inspected; a color sensor for sensing color information of the detection light having passed through the lubricant; and a logarithmic amplifier for logarithmically amplifying the detection value sensed by the color sensor and outputting the amplified detection value. |
申请公布号 |
US2016252490(A1) |
申请公布日期 |
2016.09.01 |
申请号 |
US201415030783 |
申请日期 |
2014.10.27 |
申请人 |
NABTESCO CORPORATION |
发明人 |
SHIRATA Takuya;IDA Yasuhito |
分类号 |
G01N33/28;G01N21/25 |
主分类号 |
G01N33/28 |
代理机构 |
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代理人 |
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主权项 |
1. A lubricant deterioration sensor used for sensing a deterioration state of a lubricant, comprising: an inspection unit for receiving a lubricant to be inspected; a light emitting element for emitting detection light into the inspection unit; a light receiving element for obtaining a detection value indicating color information of the detection light having passed through the lubricant; and a logarithmic amplifier for amplifying the detection value with a logarithmic function and outputting the amplified detection value. |
地址 |
Tokyo JP |