JPH0348361U - - Google Patents
Info
- Publication number
- JPH0348361U JPH0348361U JP10809689U JP10809689U JPH0348361U JP H0348361 U JPH0348361 U JP H0348361U JP 10809689 U JP10809689 U JP 10809689U JP 10809689 U JP10809689 U JP 10809689U JP H0348361 U JPH0348361 U JP H0348361U
- Authority
- JP
- Japan
- Prior art keywords
- flow rate
- cooling water
- detection device
- temperature
- detects
- 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
- 239000000498 cooling water Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Motor Or Generator Cooling System (AREA)
Description
第１図はこの考案の一実施例による軸受冷却水
の断水検出装置を示す構成図、第２図は従来の軸
受冷却水の断水検出装置を示す構成図である。
図において、１Ａ……温度検出器、２Ａ……流
量検出器、３Ａ……演算装置、４Ａ……温度変化
率演算部、５Ａ……流量変化率演算部、６Ａ……
変化率比演算部、７Ａ……設定部、８Ａ……不平
衡演算部である。なお、図中同一符号は同一、又
は相当部分を示す。
FIG. 1 is a block diagram showing a bearing cooling water cutoff detection apparatus according to an embodiment of the invention, and FIG. 2 is a block diagram showing a conventional bearing cooling water cutoff detection apparatus. In the figure, 1A... Temperature detector, 2A... Flow rate detector, 3A... Arithmetic device, 4A... Temperature change rate computing section, 5A... Flow rate change rate computing section, 6A...
Change rate ratio calculating section, 7A...setting section, 8A...imbalance calculating section. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
置、上記軸受部を冷却する冷却水の流量を検出す
る流量検出装置、この流量検出装置で検出された
冷却水の流量から求めた冷却水流量変化率と、上
記温度検出装置で検出された温度から求めた軸受
部の温度変化率との比が、設定値を越えたことに
より上記冷却水の断水を検出する演算装置を備え
た軸受冷却水の断水検出装置。 A temperature detection device that detects the temperature of a bearing section of a rotating electric machine, a flow rate detection device that detects the flow rate of cooling water that cools the bearing section, and a change in the cooling water flow rate determined from the flow rate of the cooling water detected by this flow rate detection device. The bearing cooling water is equipped with a calculation device that detects a water outage of the cooling water when the ratio of the temperature change rate of the bearing portion calculated from the temperature detected by the temperature detection device exceeds a set value. Water cutoff detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10809689U JPH0348361U (en) | 1989-09-14 | 1989-09-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10809689U JPH0348361U (en) | 1989-09-14 | 1989-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0348361U true JPH0348361U (en) | 1991-05-09 |
Family
ID=31656758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10809689U Pending JPH0348361U (en) | 1989-09-14 | 1989-09-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0348361U (en) |
-
1989
- 1989-09-14 JP JP10809689U patent/JPH0348361U/ja active Pending