JPS61202103U - - Google Patents
Info
- Publication number
- JPS61202103U JPS61202103U JP8407085U JP8407085U JPS61202103U JP S61202103 U JPS61202103 U JP S61202103U JP 8407085 U JP8407085 U JP 8407085U JP 8407085 U JP8407085 U JP 8407085U JP S61202103 U JPS61202103 U JP S61202103U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- series
- speed control
- dynamic braking
- control means
- 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 1
Landscapes
- Stopping Of Electric Motors (AREA)
Description
第１図乃至第４図は本考案に係る直流直巻モー
タの発電制動回路の一実施例を示し、第１図は停
止状態、第２図は前進状態、第３図は後進状態、
第４図は発電制動状態を夫々示す。第５図は本考
案の制動条件判定回路の他の実施例を示す。第６
図は従来の直流直巻モータの駆動回路例を示す回
路図である。
８……直流直巻モータの発電制動回路〔駆動回
路〕、９……第１の直列回路、１０ａ……電機子
コイル、１０ｂ……界磁コイル、１１……直流電
源〔車載バツテリ〕、１２……第２の直列回路、
１３……速度制御用可変抵抗回路、１４……切換
スイツチ回路、１５……切換スイツチ制御回路、
１８……発電制動用スイツチ回路、１８ａ……サ
イリスタ、１９……制動条件判定回路、ａ……下
り勾配センサ出力、ｂ……アクセルＯＦＦ出力、
ｃ……制動条件判定出力、ｄ……ブレーキＯＮ出
力。
1 to 4 show an embodiment of a dynamic braking circuit for a DC series motor according to the present invention, in which FIG. 1 is in a stopped state, FIG. 2 is in a forward state, FIG. 3 is in a reverse state,
FIG. 4 shows the respective dynamic braking states. FIG. 5 shows another embodiment of the braking condition determination circuit of the present invention. 6th
The figure is a circuit diagram showing an example of a drive circuit for a conventional DC series motor. 8... DC series motor dynamic braking circuit [drive circuit], 9... First series circuit, 10a... Armature coil, 10b... Field coil, 11... DC power source [vehicle battery], 12 ...Second series circuit,
13... Variable resistance circuit for speed control, 14... Changeover switch circuit, 15... Changeover switch control circuit,
18... Switch circuit for dynamic braking, 18a... Thyristor, 19... Braking condition determination circuit, a... Downhill slope sensor output, b... Accelerator OFF output,
c...braking condition judgment output, d...brake ON output.
Claims (1)
列接続した第１の直列回路と、上記モータの電機
子コイル及び速度制御用可変抵抗回路を直列接続
した第２の直列回路と、上記第１及び第２の直列
回路の両端同士を、前進時に速度制御手段を操作
することにより正方向に接続し、後進時に速度制
御手段を操作することにより逆方向に接続し、速
度制御手段が操作されないときは第２の直列回路
の両端を短絡した状態で上記界磁コイルの一端に
接続する切換スイツチ回路と、発電制動時に、上
記界磁コイルの他端を上記速度制御用可変抵抗回
路内の所定位置に接続する発電制動用スイツチ回
路と、少なく共、下り勾配センサ出力及びアクセ
ルＯＦＦ出力が発生したとき、上記発電制動用ス
イツチ回路を導通させる制動条件判定回路とを具
備したことを特徴とする電気自動車の発電制動回
路。 a first series circuit in which a field coil of a DC series motor and a DC power supply are connected in series; a second series circuit in which an armature coil of the motor and a variable resistance circuit for speed control are connected in series; Both ends of the second series circuit are connected in the forward direction by operating the speed control means when moving forward, and in the opposite direction by operating the speed control means when moving backward, and when the speed control means is not operated. A changeover switch circuit connects a second series circuit to one end of the field coil with both ends short-circuited, and connects the other end of the field coil to a predetermined position within the speed control variable resistance circuit during dynamic braking. An electric vehicle comprising: a connected dynamic braking switch circuit; and a braking condition determination circuit that conducts the dynamic braking switch circuit at least when a downward slope sensor output and an accelerator OFF output occur. Dynamic braking circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985084070U JPH0721117Y2 (en) | 1985-06-04 | 1985-06-04 | Dynamic braking control circuit for electric vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985084070U JPH0721117Y2 (en) | 1985-06-04 | 1985-06-04 | Dynamic braking control circuit for electric vehicles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61202103U true JPS61202103U (en) | 1986-12-18 |
| JPH0721117Y2 JPH0721117Y2 (en) | 1995-05-15 |
Family
ID=30633258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985084070U Expired - Lifetime JPH0721117Y2 (en) | 1985-06-04 | 1985-06-04 | Dynamic braking control circuit for electric vehicles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0721117Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5997506U (en) * | 1982-12-20 | 1984-07-02 | 株式会社豊田自動織機製作所 | Braking control device for electric vehicles |
-
1985
- 1985-06-04 JP JP1985084070U patent/JPH0721117Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5997506U (en) * | 1982-12-20 | 1984-07-02 | 株式会社豊田自動織機製作所 | Braking control device for electric vehicles |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0721117Y2 (en) | 1995-05-15 |
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