JPS6055299U - brushless dc motor - Google Patents
brushless dc motorInfo
- Publication number
- JPS6055299U JPS6055299U JP14530083U JP14530083U JPS6055299U JP S6055299 U JPS6055299 U JP S6055299U JP 14530083 U JP14530083 U JP 14530083U JP 14530083 U JP14530083 U JP 14530083U JP S6055299 U JPS6055299 U JP S6055299U
- Authority
- JP
- Japan
- Prior art keywords
- brushless
- output
- reverse rotation
- rotation prevention
- 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.)
- Pending
Links
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図ａは通常の電動機の制動回路図、同図すはその入
力−回転数の特性線図、第２図ａないしＣは磁気変換素
子の出力波形説明図、同図ｄはその波形整形回路図、第
３図ａは従来の直流電動機の説明図、同図す、 ｃはそ
れぞれその出力波形の説明図、第４図ａはこの考案の直
流電動機の説明図、同図すはその回路説明図、同図Ｃ及
びｄはそれぞれその出力波形の説明図、第５図はこの考
案の直流電動機の一例を示す回路図、第６図はこの考案
の別の実施例を示す要部の回路図である。
図において、１・・・増幅器、２・・・波形整形回路、
４・・・駆動回路、５・・・逆転防止回路、６・・・遮
断端子、７・・・ストップ端子、Ｂ・・・差動増幅器、
Ｈ９Ｈ−ＥＡ、Ｈ−ＥＢ、Ｈ−ＥＣ・・・ホール素子（
磁気変換素子）である。
第４図
第５図Fig. 1a is a braking circuit diagram of a normal electric motor, the same figure is a characteristic diagram of its input-rotation speed, Fig. 2a to C are explanatory diagrams of the output waveform of the magnetic transducer element, and Fig. 2d is the waveform shaping. Circuit diagram: Fig. 3a is an explanatory diagram of a conventional DC motor; Fig. 3c is an explanatory diagram of its output waveform; Fig. 4a is an explanatory diagram of the DC motor of this invention; 5 is a circuit diagram showing an example of the DC motor of this invention, and FIG. 6 is a circuit diagram of the main part showing another embodiment of this invention. It is a diagram. In the figure, 1... amplifier, 2... waveform shaping circuit,
4... Drive circuit, 5... Reverse prevention circuit, 6... Cutoff terminal, 7... Stop terminal, B... Differential amplifier,
H9H-EA, H-EB, H-EC...Hall element (
magnetic transducer). Figure 4 Figure 5
Claims (1)
用信号として共用した逆転防止回路を具備して成るブラ
シレス直流電動機。 ２ 前記駆動位置検出用磁気変換素子による２相以上の
駆動位置検出用出力波形のうち位相が隣り合った２つの
整形波を差動増幅器の反転入力端子に印加して成る実用
新案登録請求の範囲第１項記載のブラシレス直流電動機
。 ３ 前記逆転防止回路の出力を差動増幅器の出力遮断端
子に印加して成る実用新案登録請求の範囲第１項記載の
ブラシレス直流電動機。 ４ 前記逆転防止回路の出力を駆動回路のストップ端子
に印加して成る実用新案登録請求の範囲第１項記載のブ
ラシレス直流電動機。[Claims for Utility Model Registration] 1. A brushless DC motor equipped with a reverse rotation prevention circuit that uses the output signal of a magnetic transducer for detecting drive position as a reverse rotation prevention signal. 2 Claims for registration of a utility model comprising applying two shaped waves with adjacent phases among the output waveforms for drive position detection of two or more phases from the magnetic transducer for drive position detection to the inverting input terminal of a differential amplifier. The brushless DC motor according to item 1. 3. The brushless DC motor according to claim 1, wherein the output of the reverse rotation prevention circuit is applied to the output cutoff terminal of a differential amplifier. 4. The brushless DC motor according to claim 1, wherein the output of the reverse rotation prevention circuit is applied to a stop terminal of a drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14530083U JPS6055299U (en) | 1983-09-20 | 1983-09-20 | brushless dc motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14530083U JPS6055299U (en) | 1983-09-20 | 1983-09-20 | brushless dc motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6055299U true JPS6055299U (en) | 1985-04-18 |
Family
ID=30323762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14530083U Pending JPS6055299U (en) | 1983-09-20 | 1983-09-20 | brushless dc motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6055299U (en) |
-
1983
- 1983-09-20 JP JP14530083U patent/JPS6055299U/en active Pending
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