JPS635476U - - Google Patents
Info
- Publication number
- JPS635476U JPS635476U JP9976586U JP9976586U JPS635476U JP S635476 U JPS635476 U JP S635476U JP 9976586 U JP9976586 U JP 9976586U JP 9976586 U JP9976586 U JP 9976586U JP S635476 U JPS635476 U JP S635476U
- Authority
- JP
- Japan
- Prior art keywords
- phase
- detection means
- detected pulse
- detected
- failure detection
- 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
- 238000001514 detection method Methods 0.000 claims description 8
- 238000000819 phase cycle Methods 0.000 claims 2
- 238000007664 blowing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009429 electrical wiring Methods 0.000 description 1
Landscapes
- Control Of Positive-Displacement Air Blowers (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Description
第１図は実施例の電気配線図で、第２図と第３
図は動作時の波形図であり、第４図は本考案を装
着した送風用斜流フアンの外観斜視図である。図
中に符した記号は以下のものを示す。
１……電源部、２……被検知パルス検出手段、
３……相順検知手段、４……欠相検知手段、５…
…表示部、６……送風用斜流フアン、７……検相
器。
Figure 1 is an electrical wiring diagram of the embodiment, and Figures 2 and 3 are
The figure is a waveform diagram during operation, and FIG. 4 is an external perspective view of a mixed flow fan for blowing air equipped with the present invention. Symbols in the figure indicate the following. 1...Power supply unit, 2...Detected pulse detection means,
3...Phase order detection means, 4...Open phase detection means, 5...
...display section, 6...mixed flow fan for blowing air, 7...phase detector.
Claims (1)
より短幅の被検知パルスを得る被検知パルス検出
手段と、前記１つの被検知パルスにより他の被検
知パルスの位相関係を検知し保持する相順検知手
段と、被検知パルスの論理和によつて１つ以上の
欠相を検知する欠相検知手段と、前記相順検知手
段と前記欠相検知手段の状態を表示する表示部と
を備えたことを特徴とする検相器。 A detected pulse detection means is connected in parallel to a three-phase AC circuit and obtains a detected pulse having a width shorter than a half wave of each phase; a phase sequence detection means for holding, a phase failure detection means for detecting one or more phase failures by a logical sum of the detected pulses, and a display section for displaying the states of the phase sequence detection means and the phase failure detection means. A phase detector characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9976586U JPS635476U (en) | 1986-06-28 | 1986-06-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9976586U JPS635476U (en) | 1986-06-28 | 1986-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS635476U true JPS635476U (en) | 1988-01-14 |
Family
ID=30968950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9976586U Pending JPS635476U (en) | 1986-06-28 | 1986-06-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS635476U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60566B2 (en) * | 1978-08-07 | 1985-01-09 | ヘルム−ト・エルゲス | Sliding bearing of hinge joint |
-
1986
- 1986-06-28 JP JP9976586U patent/JPS635476U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60566B2 (en) * | 1978-08-07 | 1985-01-09 | ヘルム−ト・エルゲス | Sliding bearing of hinge joint |
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