JPH01171360U - - Google Patents
Info
- Publication number
- JPH01171360U JPH01171360U JP6683088U JP6683088U JPH01171360U JP H01171360 U JPH01171360 U JP H01171360U JP 6683088 U JP6683088 U JP 6683088U JP 6683088 U JP6683088 U JP 6683088U JP H01171360 U JPH01171360 U JP H01171360U
- Authority
- JP
- Japan
- Prior art keywords
- lubricating oil
- capacitance
- monitoring device
- property
- detection unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010687 lubricating oil Substances 0.000 claims description 7
- 238000012806 monitoring device Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 239000000314 lubricant Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
第１図は本考案の一実施例の構成を示すブロツ
ク図、第２図は潤滑油中の水分率と静電容量の関
係の一例を示すグラフである。
１…潤滑油性状監視装置（監視装置）、８…検
出部としての潤滑油性状センサ（センサ）、９…
判断部。
FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention, and FIG. 2 is a graph showing an example of the relationship between the moisture content in lubricating oil and capacitance. 1... Lubricating oil property monitoring device (monitoring device), 8... Lubricating oil property sensor (sensor) as a detection unit, 9...
Judgment department.
Claims (1)
部からの信号を受けて潤滑油の性状を判断する判
断部とを有する潤滑油性状監視装置において、前
記判断部においては前記静電容量の上限値又は前
記静電容量の時間的変化率によつて潤滑油の性状
を判定することを特徴とする潤滑油性状監視装置
。 A lubricating oil property monitoring device having a detection unit that detects the capacitance of lubricating oil, and a judgment unit that receives a signal from the detection unit and judges the property of the lubricant, in which the judgment unit detects the capacitance. A lubricating oil property monitoring device characterized in that the lubricating oil property is determined based on an upper limit value of the capacitance or a rate of change over time of the capacitance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6683088U JPH01171360U (en) | 1988-05-23 | 1988-05-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6683088U JPH01171360U (en) | 1988-05-23 | 1988-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01171360U true JPH01171360U (en) | 1989-12-05 |
Family
ID=31292217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6683088U Pending JPH01171360U (en) | 1988-05-23 | 1988-05-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01171360U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5087094A (en) * | 1973-11-30 | 1975-07-12 | ||
| JPS57135351A (en) * | 1981-02-16 | 1982-08-20 | Akebono Brake Ind Co Ltd | Alarm device of oil contamination |
-
1988
- 1988-05-23 JP JP6683088U patent/JPH01171360U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5087094A (en) * | 1973-11-30 | 1975-07-12 | ||
| JPS57135351A (en) * | 1981-02-16 | 1982-08-20 | Akebono Brake Ind Co Ltd | Alarm device of oil contamination |
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