JPS62135600U - - Google Patents
Info
- Publication number
- JPS62135600U JPS62135600U JP1986005296U JP529686U JPS62135600U JP S62135600 U JPS62135600 U JP S62135600U JP 1986005296 U JP1986005296 U JP 1986005296U JP 529686 U JP529686 U JP 529686U JP S62135600 U JPS62135600 U JP S62135600U
- Authority
- JP
- Japan
- Prior art keywords
- current
- transistors
- chopper
- circuit
- motor coil
- 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
- 238000010586 diagram Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 1
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
- Control Of Direct Current Motors (AREA)
Description
第１図は本考案のチヨツパ型電動機駆動回路の
説明図、第２図はダーリントン・トランジスタの
等価回路図、第３図は本考案のチヨツパ型電動機
駆動回路の一実施例の回路図、第４図は従来方式
の説明図である。
第１図において、１，２，３，４はトランジス
タ、１ａ，２ａ，３ａ，４ａは電流バイパス回路
、５は電動機線輪、６はチヨツパ信号源、７は直
流電源である。
FIG. 1 is an explanatory diagram of the chopper type motor drive circuit of the present invention, FIG. 2 is an equivalent circuit diagram of a Darlington transistor, FIG. 3 is a circuit diagram of an embodiment of the chopper type motor drive circuit of the present invention, and FIG. The figure is an explanatory diagram of a conventional method. In FIG. 1, 1, 2, 3, and 4 are transistors, 1a, 2a, 3a, and 4a are current bypass circuits, 5 is a motor coil, 6 is a chopper signal source, and 7 is a DC power source.
Claims (1)
タ１，２，３，４がスイツチ動作を行い電動機線
輪５に直流電源７からチヨツパ電流を流す回路に
おいて、 該トランジスタ１，２，３，４のコレクタ・エ
ミツタ間に電流を分流する電流バイパス回路１ａ
，２ａ，３ａ，４ａを並列に接続し、 該電動機線輪５に印加されたチヨツパ電流が断
の時に該トランジスタ１，２，３，４に流れる電
流をバイパスすることを特徴としたチヨツパ型電
動機駆動回路。[Scope of Claim for Utility Model Registration] In a circuit in which transistors 1, 2, 3, and 4 driven by a chopper signal source 6 perform a switching operation and cause a chopper current to flow from a DC power supply 7 to a motor coil 5, the transistors 1, 2 , 3, 4, a current bypass circuit 1a that divides the current between the collectors and emitters of 3 and 4.
, 2a, 3a, and 4a are connected in parallel, and when the chopper current applied to the motor coil 5 is cut off, the current flowing through the transistors 1, 2, 3, and 4 is bypassed. drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986005296U JP2578358Y2 (en) | 1986-01-17 | 1986-01-17 | Chopper type motor drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986005296U JP2578358Y2 (en) | 1986-01-17 | 1986-01-17 | Chopper type motor drive circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62135600U true JPS62135600U (en) | 1987-08-26 |
| JP2578358Y2 JP2578358Y2 (en) | 1998-08-13 |
Family
ID=30786745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986005296U Expired - Lifetime JP2578358Y2 (en) | 1986-01-17 | 1986-01-17 | Chopper type motor drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2578358Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60194785A (en) * | 1984-03-14 | 1985-10-03 | Mitsubishi Electric Corp | Drive circuit for motor |
-
1986
- 1986-01-17 JP JP1986005296U patent/JP2578358Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60194785A (en) * | 1984-03-14 | 1985-10-03 | Mitsubishi Electric Corp | Drive circuit for motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2578358Y2 (en) | 1998-08-13 |
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