JPS6248197U - - Google Patents
Info
- Publication number
- JPS6248197U JPS6248197U JP1985138025U JP13802585U JPS6248197U JP S6248197 U JPS6248197 U JP S6248197U JP 1985138025 U JP1985138025 U JP 1985138025U JP 13802585 U JP13802585 U JP 13802585U JP S6248197 U JPS6248197 U JP S6248197U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- switching
- induction motor
- phase induction
- power supply
- 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
- 230000006698 induction Effects 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000001568 sexual effect Effects 0.000 description 1
Landscapes
- Control Of Ac Motors In General (AREA)
Description
第１図は、本考案の単相誘導電動機速度制御装
置の一実施例の回路図、第２図は前記速度制御装
置におけるパルス幅を連続可変できることを説明
するためのタイミング図、第３図は前記速度制御
装置において単相誘導電動機に印加される電圧波
形の説明図を示す。
１……ブリツジ、２……スイツチング回路、３
……単相誘導電動機、４……三角波発生発振回路
、５，８……演算増幅器、６，７，１０，１３，
１４……抵抗器、９……コンデンサ、１１……信
号発生回路の電源、１２……可変基準電位コンパ
レータ回路、１５……可変抵抗器、１６……コン
パレータ、１７……トランジスタ、１８……無極
性コンデンサ。
FIG. 1 is a circuit diagram of an embodiment of the single-phase induction motor speed control device of the present invention, FIG. 2 is a timing diagram for explaining that the pulse width in the speed control device can be continuously varied, and FIG. An explanatory diagram of a voltage waveform applied to a single-phase induction motor in the speed control device is shown. 1... Bridge, 2... Switching circuit, 3
... Single-phase induction motor, 4 ... Triangular wave generation oscillation circuit, 5, 8 ... Operational amplifier, 6, 7, 10, 13,
14...Resistor, 9...Capacitor, 11...Power supply for signal generation circuit, 12...Variable reference potential comparator circuit, 15...Variable resistor, 16...Comparator, 17...Transistor, 18...Non-polarity sexual capacitor.
Claims (1)
と、絶縁ゲートＦＥＴからなるスイツチ回路と、
三角波発生発振回路と、可変抵抗器を使用した可
変基準電位コンパレータ回路と、前記絶縁ゲート
ＦＥＴ駆動用トランジスタおよび電源回路からな
る信号発生回路と、負荷の単相誘導電動機の電源
端子間に取り付けられた無極性コンデンサにより
電流制御型パルス振幅変調回路を構成し、スイツ
チングのためのクロツクパルスを可聴周波数以上
としたことを特徴とする、単相誘導電動機速度制
御装置。 A bridge consisting of a switching diode, a switching circuit consisting of an insulated gate FET,
A signal generation circuit consisting of a triangular wave generation oscillation circuit, a variable reference potential comparator circuit using a variable resistor, the insulated gate FET driving transistor and a power supply circuit, and a power supply terminal of a single-phase induction motor as a load. A single-phase induction motor speed control device comprising a current-controlled pulse amplitude modulation circuit using non-polar capacitors, and having a clock pulse for switching at an audible frequency or higher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985138025U JPS6248197U (en) | 1985-09-11 | 1985-09-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985138025U JPS6248197U (en) | 1985-09-11 | 1985-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6248197U true JPS6248197U (en) | 1987-03-25 |
Family
ID=31042627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985138025U Pending JPS6248197U (en) | 1985-09-11 | 1985-09-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6248197U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56101089A (en) * | 1980-01-18 | 1981-08-13 | Hitachi Ltd | Speed control circuit of blower |
-
1985
- 1985-09-11 JP JP1985138025U patent/JPS6248197U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56101089A (en) * | 1980-01-18 | 1981-08-13 | Hitachi Ltd | Speed control circuit of blower |
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