JPS6443082A - Short-circuit drive circuit of motor - Google Patents
Short-circuit drive circuit of motorInfo
- Publication number
- JPS6443082A JPS6443082A JP19929887A JP19929887A JPS6443082A JP S6443082 A JPS6443082 A JP S6443082A JP 19929887 A JP19929887 A JP 19929887A JP 19929887 A JP19929887 A JP 19929887A JP S6443082 A JPS6443082 A JP S6443082A
- Authority
- JP
- Japan
- Prior art keywords
- motor
- circuit
- short
- triac
- relay
- 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
- Stopping Of Electric Motors (AREA)
Abstract
PURPOSE:To prevent a motor against danger and to alleviate the shock in collision, by driving a gate circuit of a TRIAC at a point of contact B of a relay. CONSTITUTION:A power amplifier is composed of a base drive circuit and a power transistor(Tr) 2. A DC motor 3 is driven with this amplifier. In parallel to this motor 3 a short-circuit resistance 5 and a TRIAC 4 are connected. Between this gate G and a control terminal T2 a point of contact B 7a of a relay 7 and a gate resistance 6 are connected in series. Thus, if a stop signal is inputted when the DC motor 3 is rotating, a base drive circuit 1 will be turned off and a power transistor 2 also off. At the same time, the relay 7 is turned off and the point of contact B 7a is closed. As a result, the TRIAC 4 is turned on and across the terminals of the motor 3 the current is shored through the short-circuit resistance 5 and short-circuit brake is applied to the motor 3, to which the short-circuit current flows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19929887A JPS6443082A (en) | 1987-08-10 | 1987-08-10 | Short-circuit drive circuit of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19929887A JPS6443082A (en) | 1987-08-10 | 1987-08-10 | Short-circuit drive circuit of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6443082A true JPS6443082A (en) | 1989-02-15 |
Family
ID=16405475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19929887A Pending JPS6443082A (en) | 1987-08-10 | 1987-08-10 | Short-circuit drive circuit of motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6443082A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996028883A1 (en) * | 1995-03-11 | 1996-09-19 | Robert Bosch Gmbh | Circuit for driving an electric motor |
| JP2002153087A (en) * | 2000-11-13 | 2002-05-24 | Max Co Ltd | Ac motor drive circuit |
| EP3435538A4 (en) * | 2016-03-22 | 2019-11-20 | NTN Corporation | Brake device for ac generator |
-
1987
- 1987-08-10 JP JP19929887A patent/JPS6443082A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996028883A1 (en) * | 1995-03-11 | 1996-09-19 | Robert Bosch Gmbh | Circuit for driving an electric motor |
| JP2002153087A (en) * | 2000-11-13 | 2002-05-24 | Max Co Ltd | Ac motor drive circuit |
| EP3435538A4 (en) * | 2016-03-22 | 2019-11-20 | NTN Corporation | Brake device for ac generator |
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