JPH01101194U - - Google Patents
Info
- Publication number
- JPH01101194U JPH01101194U JP1987194479U JP19447987U JPH01101194U JP H01101194 U JPH01101194 U JP H01101194U JP 1987194479 U JP1987194479 U JP 1987194479U JP 19447987 U JP19447987 U JP 19447987U JP H01101194 U JPH01101194 U JP H01101194U
- Authority
- JP
- Japan
- Prior art keywords
- control circuit
- rotational position
- rotor
- stator
- power transistor
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 1
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Description
第1図〜第10図はこの考案を適用してフアン
駆動用電動機として構成した一実施例における説
明図であつて、第1図は制御回路図、第2図は上
記電動機の連結されたクロスフローフアンにおけ
るフアンロータの右側板側の構造を示す断面図、
第3図は上記フアンロータの右側板側の分解斜視
図、第4図は上記電動機における回転子及び固定
子の断面模式図、第5図は固定子の励磁を説明す
るためのコイルへの通電制御のタイムチヤート、
第6図a,b,c,dはそれぞれ第1図の制御回
路において処理されていく信号波形の模式図、第
7図はパワートランジスタの温度と回転速度との
関係の測定データ、第8図はパワートランジスタ
のエンドブラケツトへの取付状態を異ならせた場
合の温度と回転速度とに関する測定データ、第9
図はホール素子のずらし角度と無負荷電流及び効
率との関係の測定データ、第10図はホール素子
のずらし角度と最大出力に関する測定データ、第
11図は従来装置の断面図、第12図は従来のス
イツチングレギユレータ回路部の構成を示す回路
図である。
4……回転子、5……固定子、20……永久磁
石、29……コイル、30……制御回路、32…
…スイツチングレギユレータ回路部、H1,H2
,H3……ホール素子(回転位置検出手段)、Q
1〜Q6……出力トランジスタ、Q7……パワー
トランジスタ、C1……コンデンサ、ZD……ツ
エナーダイオード。
Figures 1 to 10 are explanatory diagrams of an embodiment in which this invention is applied and configured as a fan drive electric motor. Figure 1 is a control circuit diagram, and Figure 2 is a cross section in which the electric motor is connected. A sectional view showing the structure of the right side plate of the fan rotor in the flow fan,
Fig. 3 is an exploded perspective view of the right side plate of the fan rotor, Fig. 4 is a schematic cross-sectional view of the rotor and stator in the motor, and Fig. 5 is energization control to the coils to explain excitation of the stator. time chart,
Figures 6a, b, c, and d are schematic diagrams of signal waveforms processed in the control circuit of Figure 1, Figure 7 is measurement data of the relationship between power transistor temperature and rotation speed, and Figure 8 is measurement data regarding temperature and rotational speed when the power transistor is installed in different states of attachment to the end bracket, No. 9.
The figure shows measured data on the relationship between the Hall element shift angle and no-load current and efficiency, Figure 10 shows measurement data on the Hall element shift angle and maximum output, Figure 11 is a cross-sectional view of the conventional device, and Figure 12 is FIG. 2 is a circuit diagram showing the configuration of a conventional switching regulator circuit section. 4... Rotor, 5... Stator, 20... Permanent magnet, 29... Coil, 30... Control circuit, 32...
...Switching regulator circuit section, H1, H2
, H3...Hall element (rotational position detection means), Q
1 to Q6...Output transistor, Q7...Power transistor, C1...Capacitor, ZD...Zener diode.
Claims (1)
磁石20に対面させて配設される固定子5と、上
記回転子4の回転位置に応ずる信号を出力する回
転位置検出手段H1,H2,H3とを設けると共
に、上記回転位置検出手段H1,H2,H3から
の出力信号に応じ上記固定子5に巻装されている
コイル29への通電を、出力トランジスタQ1〜
Q6を介して周期的に制御することにより回転の
制御を行う制御回路30を有して成る電動機であ
つて、上記制御回路30には、さらに、この制御
回路30に入力される回転速度指令信号に応じた
パルス列信号によりパワートランジスタQ7を作
動させて上記出力トランジスタQ1〜Q6への電
源供給時間を制御するスイツチングレギユレータ
回路部32を設け、上記パワートランジスタQ7
のベースには、コンデンサC1とツエナーダイオ
ードZDとの並列回路を介して上記パルス列信号
を入力すべく構成していることを特徴とする電動
機。 A rotor 4 to which a permanent magnet 20 is attached, a stator 5 disposed facing the permanent magnet 20, and rotational position detection means H1, H2, which outputs a signal corresponding to the rotational position of the rotor 4. H3 is provided, and the output transistors Q1 to Q1 are used to energize the coil 29 wound around the stator 5 in accordance with the output signals from the rotational position detecting means H1, H2, and H3.
The motor includes a control circuit 30 that controls the rotation by periodically controlling the rotation speed through the control circuit 30, and the control circuit 30 further includes a rotation speed command signal input to the control circuit 30. A switching regulator circuit section 32 is provided to control the power supply time to the output transistors Q1 to Q6 by operating the power transistor Q7 with a pulse train signal corresponding to the power transistor Q7.
An electric motor characterized in that the base of the motor is configured to receive the pulse train signal through a parallel circuit of a capacitor C1 and a Zener diode ZD.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987194479U JPH01101194U (en) | 1987-12-21 | 1987-12-21 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987194479U JPH01101194U (en) | 1987-12-21 | 1987-12-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01101194U true JPH01101194U (en) | 1989-07-07 |
Family
ID=31485208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987194479U Pending JPH01101194U (en) | 1987-12-21 | 1987-12-21 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01101194U (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS564933A (en) * | 1979-06-14 | 1981-01-19 | Ibm | Logic circuit |
JPS61280787A (en) * | 1985-05-30 | 1986-12-11 | Sanyo Electric Co Ltd | Fan |
-
1987
- 1987-12-21 JP JP1987194479U patent/JPH01101194U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS564933A (en) * | 1979-06-14 | 1981-01-19 | Ibm | Logic circuit |
JPS61280787A (en) * | 1985-05-30 | 1986-12-11 | Sanyo Electric Co Ltd | Fan |
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