JPH0190294U - - Google Patents
Info
- Publication number
- JPH0190294U JPH0190294U JP18496387U JP18496387U JPH0190294U JP H0190294 U JPH0190294 U JP H0190294U JP 18496387 U JP18496387 U JP 18496387U JP 18496387 U JP18496387 U JP 18496387U JP H0190294 U JPH0190294 U JP H0190294U
- Authority
- JP
- Japan
- Prior art keywords
- electric motor
- motor
- operation detection
- energizing
- detection 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 238000003079 width control Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Motor And Converter Starters (AREA)
Description
第１図は、電気モータＭ７の制御回路の構成を
示すブロツク図である。第２ａ図及び第２ｂ図は
、それぞれ、複写機の光学走査系の機構部の構成
を示す正面図及び斜視図である。第３ａ図は、第
１図のタイマ１５０の動作を示すタイミングチヤ
ートである。第３ｂ図は、第１図の装置の速度変
化を示すタイミングチヤートである。第４図は、
第１図のマイクロコンピユータ１００のモータ起
動処理を示すフローチヤートである。第５ａ図及
び第５ｃ図は、第１図の装置における電気モータ
の起動特性を示すタイミングチヤートである。第
５ｂ図及び第５ｄ図は、起動トルクが一定の装置
における電気モータの起動特性を示すタイミング
チヤートである。
１：コンタクトガラス、２：光学走査系、３：
感光体ドラム、５１：第１キヤリツジ、５２：第
２キヤリツジ、１００：マイクロコンピユータ（
電子制御手段）、１５０：プログラマブルタイマ
、２００：モータドライバ（付勢手段）、３１０
：発振器、３２０：フリツプフロツプ、Ｍ７：直
流電気モータ（電動機）、ＥＮＣ：ロータリーエ
ンコーダ（動作検出手段）、ＨＰ１：ホーム位置
センサ、ＲＰ１：リターン位置センサ、Ｇ１，Ｇ
２：ゲート回路。
FIG. 1 is a block diagram showing the configuration of a control circuit for electric motor M7. FIGS. 2a and 2b are a front view and a perspective view, respectively, showing the structure of a mechanical section of an optical scanning system of a copying machine. FIG. 3a is a timing chart showing the operation of timer 150 of FIG. FIG. 3b is a timing chart showing the speed changes of the device of FIG. Figure 4 shows
2 is a flowchart showing a motor starting process of the microcomputer 100 of FIG. 1. FIG. 5a and 5c are timing charts showing the starting characteristics of the electric motor in the device of FIG. 1. FIG. Figures 5b and 5d are timing charts showing the starting characteristics of an electric motor in a device with constant starting torque. 1: Contact glass, 2: Optical scanning system, 3:
Photosensitive drum, 51: first carriage, 52: second carriage, 100: microcomputer (
electronic control means), 150: programmable timer, 200: motor driver (energizing means), 310
: Oscillator, 320: Flip-flop, M7: DC electric motor (motor), ENC: Rotary encoder (operation detection means), HP1: Home position sensor, RP1: Return position sensor, G1, G
2: Gate circuit.
Claims (1)
、動作検出手段； 前記電動機を付勢する付勢手段；及び 前記電動機の起動時に、前記動作検出手段が所
定の電気信号を検出するまでの間、前記付勢手段
を制御して、前記電動機の付勢レベルを時間とと
もに増大する、電子制御手段； を備える電動機の起動制御装置。 (2) 前記電子制御手段は、前記電動機の通電を
パルス幅制御し、該電動機の通電時間を、前記動
作検出手段が所定の電気信号を検出するまでの間
、時間とともに増大する、前記特許請求の範囲第
(1)項記載の電動機の起動制御装置。[Claims for Utility Model Registration] (1) Electric motor; Operation detection means that generates an electrical signal according to the operation of the electric motor; An energizing means that energizes the electric motor; and When the electric motor is started, the operation detection means An electric motor starting control device comprising: electronic control means for controlling the energizing means to increase the energizing level of the motor over time until the means detects a predetermined electrical signal. (2) The electronic control means pulse-width-controls the energization of the motor, and increases the energization time of the motor with time until the operation detection means detects a predetermined electric signal. range of
A starting control device for an electric motor as described in paragraph (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18496387U JPH0190294U (en) | 1987-12-04 | 1987-12-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18496387U JPH0190294U (en) | 1987-12-04 | 1987-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0190294U true JPH0190294U (en) | 1989-06-14 |
Family
ID=31476296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18496387U Pending JPH0190294U (en) | 1987-12-04 | 1987-12-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0190294U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59185187A (en) * | 1983-04-01 | 1984-10-20 | Fuji Xerox Co Ltd | Speed controller of copying machine |
-
1987
- 1987-12-04 JP JP18496387U patent/JPH0190294U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59185187A (en) * | 1983-04-01 | 1984-10-20 | Fuji Xerox Co Ltd | Speed controller of copying machine |
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