JPH0458097U - - Google Patents
Info
- Publication number
- JPH0458097U JPH0458097U JP10047990U JP10047990U JPH0458097U JP H0458097 U JPH0458097 U JP H0458097U JP 10047990 U JP10047990 U JP 10047990U JP 10047990 U JP10047990 U JP 10047990U JP H0458097 U JPH0458097 U JP H0458097U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- motor
- output
- brake
- signal output
- 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 3
- 230000005284 excitation Effects 0.000 claims 2
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 1
Landscapes
- Stopping Of Electric Motors (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は第１図の実施例を接続する主回路の図、第３
図は第１図の回路各部の電圧あるいは信号の波形
を示す図、第４図ないし第６図は従来の回路を示
す図である。
Ｍ……モータ、Ｂ……ブレーキ、ＭＣ……電磁
接触器、Ｄ……ダイオード、ＳＣＲ……サイリス
タ、Ｒ……抵抗、Ｔｒ……トランジスタ、ＦＥＴ
……電界効果トランジスタ。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
The figure is a diagram of the main circuit connecting the embodiment of Figure 1,
The figure shows voltages or signal waveforms at various parts of the circuit shown in FIG. 1, and FIGS. 4 to 6 show conventional circuits. M...Motor, B...Brake, MC...Magnetic contactor, D...Diode, SCR...Thyristor, R...Resistance, Tr...Transistor, FET
...field effect transistor.
Claims (1)
に伴つて電源オフ時に前記モータに取り付けられ
た無励磁作動形ブレーキを作動させ、また電源オ
ン時に該ブレーキを解除するようにしたモータ用
電磁ブレーキの制御装置において、 一部のアームに可制御素子を用いたブリツジ整
流回路として構成されて前記モータと前記電磁接
触器との間に挿入され、前記可制御素子を制御す
ることにより全波整流回路と半波整流回路とを切
り替え得る整流回路と、 この整流回路の出力電圧が所定値を超えるとき
に検出信号を出力する電圧検出回路と、 この電圧検出回路の検出信号が与えられると前
記電源周波数の少なくとも１サイクルを超える時
間だけ持続する出力を形成する第１の時限信号出
力回路と、 この第１時限信号出力回路からの出力が与えら
れると前記電源の少なくとも１０サイクルを超え
る時間だけ持続する出力を形成する第２の時限信
号出力回路と、 この第２の時限信号出力回路からの出力が与え
られると前記整流回路の可制御素子に制御信号を
与えて全波整流動作を行わせ、該出力が与られな
くなると可制御素子への制御信号を停止して半波
整流動作を行わせる切替え回路と、 前記第１の時限信号出力回路の出力に応じて前
記ブレーキを励磁するブレーキ励磁回路と、 をそなえたことを特徴とするモータ用電磁ブレー
キの制御装置。 ２ 請求項１の装置において、 前記ブリツジ整流回路は、少なくとも一つのア
ームが可制御整流素子により構成されたモータ用
電磁ブレーキの制御装置。 ３ 請求項１の装置において、 前記電圧検出回路は、単安定マルチバイブレー
タであるモータ用電磁ブレーキの制御装置。 ４ 請求項１の装置において、 前記第１の時限信号出力回路は、単安定マルチ
バイブレータであるモータ用電磁ブレーキの制御
装置。 ５ 請求項１の装置において、 前記第２の時限信号出力回路は、単安定マルチ
バイブレータであるモータ用電磁ブレーキの制御
装置。 ６ 請求項１の装置において、 前記切替え回路は、光信号授受手段を有するモ
ータ用電磁ブレーキの制御装置。[Claims for Utility Model Registration] 1. When the AC motor is powered on and off by an electromagnetic contactor, a non-excitation type brake attached to the motor is activated when the power is turned off, and the brake is released when the power is turned on. In the control device for an electromagnetic brake for a motor, the control device is configured as a bridge rectifier circuit using a controllable element in some of the arms, and is inserted between the motor and the electromagnetic contactor to control the controllable element. a rectifier circuit that can switch between a full-wave rectifier circuit and a half-wave rectifier circuit; a voltage detection circuit that outputs a detection signal when the output voltage of this rectification circuit exceeds a predetermined value; a first timed signal output circuit that, when applied, forms an output that lasts for a time that exceeds at least one cycle of said power supply frequency; a second timed signal output circuit that forms an output that lasts for a time; and when the output from the second timed signal output circuit is given, a control signal is given to the controllable element of the rectifier circuit to perform full-wave rectification operation. a switching circuit that causes half-wave rectification to occur and stops the control signal to the controllable element to perform a half-wave rectification operation when the output is no longer applied; A control device for an electromagnetic brake for a motor, characterized by comprising a brake excitation circuit and the following. 2. The device according to claim 1, wherein the bridge rectifier circuit has at least one arm constituted by a controllable rectifier element. 3. The device according to claim 1, wherein the voltage detection circuit is a monostable multivibrator. 4. The device according to claim 1, wherein the first time signal output circuit is a monostable multivibrator. 5. The device according to claim 1, wherein the second time signal output circuit is a monostable multivibrator. 6. The device according to claim 1, wherein the switching circuit has an optical signal sending/receiving means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10047990U JP2560712Y2 (en) | 1990-09-26 | 1990-09-26 | Control device for electromagnetic brake for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10047990U JP2560712Y2 (en) | 1990-09-26 | 1990-09-26 | Control device for electromagnetic brake for motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0458097U true JPH0458097U (en) | 1992-05-19 |
| JP2560712Y2 JP2560712Y2 (en) | 1998-01-26 |
Family
ID=31843183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10047990U Expired - Lifetime JP2560712Y2 (en) | 1990-09-26 | 1990-09-26 | Control device for electromagnetic brake for motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2560712Y2 (en) |
-
1990
- 1990-09-26 JP JP10047990U patent/JP2560712Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2560712Y2 (en) | 1998-01-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |