JPH01143298U - - Google Patents
Info
- Publication number
- JPH01143298U JPH01143298U JP1988040848U JP4084888U JPH01143298U JP H01143298 U JPH01143298 U JP H01143298U JP 1988040848 U JP1988040848 U JP 1988040848U JP 4084888 U JP4084888 U JP 4084888U JP H01143298 U JPH01143298 U JP H01143298U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- detection unit
- position detection
- rotational position
- motor
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims 2
- 230000004913 activation Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000009499 grossing Methods 0.000 description 1
Description
第１図は本考案の実施例を示す装置の要部電気
回路図、第２図は第１図に示した装置の主な動作
を示す動作説明図である。
１……交流電源、２……整流平滑定電圧回路、
３……制御部、４……スイツチング素子、５……
抵抗、６……インバータ回路、７……比較器、８
……ＤＣブラシレスモータ。
FIG. 1 is an electrical circuit diagram of a main part of a device showing an embodiment of the present invention, and FIG. 2 is an operation explanatory diagram showing the main operations of the device shown in FIG. 1... AC power supply, 2... Rectifying and smoothing constant voltage circuit,
3...Control unit, 4...Switching element, 5...
Resistor, 6... Inverter circuit, 7... Comparator, 8
...DC brushless motor.
Claims (1)
電を切り換える電動機の起動装置において、回転
子の回転位置に応じてパルス出力を出す位置検出
部と、この位置検出部のパルス出力の数に応じて
起動時と通常運転時とを判別する判別部と、起動
期間中は電源の出力端子間のダミー抵抗回路を用
いて電動機の印加電圧を下げる制御部とを備えた
ことを特徴とする電動機の起動装置。 In a motor starting device that switches energization to the stator windings based on the rotational position of the rotor, there is a position detection unit that outputs pulses according to the rotational position of the rotor, and a number of pulse outputs from this position detection unit. an electric motor characterized in that it is equipped with a discriminator that determines whether it is during startup or normal operation, and a control section that lowers the voltage applied to the motor by using a dummy resistor circuit between the output terminals of the power supply during the startup period. activation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988040848U JPH0632800Y2 (en) | 1988-03-28 | 1988-03-28 | Electric motor starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988040848U JPH0632800Y2 (en) | 1988-03-28 | 1988-03-28 | Electric motor starter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01143298U true JPH01143298U (en) | 1989-10-02 |
| JPH0632800Y2 JPH0632800Y2 (en) | 1994-08-24 |
Family
ID=31267308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988040848U Expired - Lifetime JPH0632800Y2 (en) | 1988-03-28 | 1988-03-28 | Electric motor starter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0632800Y2 (en) |
-
1988
- 1988-03-28 JP JP1988040848U patent/JPH0632800Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0632800Y2 (en) | 1994-08-24 |
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