JPS63198396U - - Google Patents
Info
- Publication number
- JPS63198396U JPS63198396U JP1987089073U JP8907387U JPS63198396U JP S63198396 U JPS63198396 U JP S63198396U JP 1987089073 U JP1987089073 U JP 1987089073U JP 8907387 U JP8907387 U JP 8907387U JP S63198396 U JPS63198396 U JP S63198396U
- Authority
- JP
- Japan
- Prior art keywords
- pwm signal
- oscillator
- circuit
- duty
- 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
- 239000003990 capacitor Substances 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Landscapes
- Control Of Direct Current Motors (AREA)
Description
第１図及び第２図はそれぞれ本考案の一実施例
のブロツク図、第３図は本考案における信号波形
図、第４図は従来装置の一例図、第５図は昇圧回
路の一例の回路図、第６図はＰＷＭ信号の一例の
波形図である。
符号の説明、１……モータ、２１，２２，２３
，２４……パワートランジスタ、３１，３２……
フライホイール・ダイオード、４……ＰＷＭ信号
発生回路、５……制御回路、６１，６２……ダイ
オード、７……キヤパシタ、８……発振器、１０
……ＰＷＭ信号、１０′……アナログ信号、１１
……変換回路、１２，１２′……時定数設定回路
、１３，１３′……発振器、１４，１４′……昇
圧回路、１５，１５′……制御用出力、１６……
ＰＷＭ発生器。
Figures 1 and 2 are block diagrams of an embodiment of the present invention, Figure 3 is a signal waveform diagram of the present invention, Figure 4 is an example of a conventional device, and Figure 5 is an example of a booster circuit. FIG. 6 is a waveform diagram of an example of a PWM signal. Explanation of symbols, 1...Motor, 21, 22, 23
, 24... power transistor, 31, 32...
Flywheel diode, 4... PWM signal generation circuit, 5... Control circuit, 61, 62... Diode, 7... Capacitor, 8... Oscillator, 10
...PWM signal, 10' ...Analog signal, 11
... Conversion circuit, 12, 12' ... Time constant setting circuit, 13, 13' ... Oscillator, 14, 14' ... Boost circuit, 15, 15' ... Control output, 16 ...
PWM generator.
Claims (1)
駆動回路と、所望の制御信号に応じて上記駆動回
路を制御するＰＷＭ信号を出力する制御回路とを
備えたモータ制御系において、上記ＰＷＭ信号を
昇圧して上記パワートランジスタに与える、発振
器とキヤパシタとを有する昇圧回路と、上記発振
器の発信周波数を上記ＰＷＭ信号のデユーテイが
大のとき小、小のとき大となるように変化させる
手段とを具備することを特徴とするモータ制御回
路。 In a motor control system that includes a drive circuit using a power transistor that drives a motor, and a control circuit that outputs a PWM signal that controls the drive circuit according to a desired control signal, the PWM signal is boosted and the It is characterized by comprising a booster circuit having an oscillator and a capacitor, which supplies power to the power transistor, and means for changing the oscillation frequency of the oscillator so that it becomes small when the duty of the PWM signal is large and becomes large when the duty of the PWM signal is small. motor control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987089073U JPS63198396U (en) | 1987-06-11 | 1987-06-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987089073U JPS63198396U (en) | 1987-06-11 | 1987-06-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63198396U true JPS63198396U (en) | 1988-12-21 |
Family
ID=30947727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987089073U Pending JPS63198396U (en) | 1987-06-11 | 1987-06-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63198396U (en) |
-
1987
- 1987-06-11 JP JP1987089073U patent/JPS63198396U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS63198396U (en) | ||
| JPS6363091U (en) | ||
| JPH0363079U (en) | ||
| JPH01116600U (en) | ||
| JPH0397385U (en) | ||
| JPS62122500U (en) | ||
| JPS63120583U (en) | ||
| JPS61138000U (en) | ||
| JPS6099890U (en) | switching power supply | |
| JPS6374723U (en) | ||
| JPH0280822U (en) | ||
| JPH02103740U (en) | ||
| JPS5810498U (en) | electronic siren oscillator | |
| JPS61189733U (en) | ||
| JPS63197596U (en) | ||
| JPH03100510U (en) | ||
| JPH02146998U (en) | ||
| JPS636860U (en) | ||
| JPS62195399U (en) | ||
| JPS646788U (en) | ||
| JPS6361821U (en) | ||
| JPS63153792U (en) | ||
| JPS61123991U (en) | ||
| JPH01145086U (en) | ||
| JPH0379406U (en) |