JPH01190286A - Three-phase brushless-motor device - Google Patents
Three-phase brushless-motor deviceInfo
- Publication number
- JPH01190286A JPH01190286A JP63014321A JP1432188A JPH01190286A JP H01190286 A JPH01190286 A JP H01190286A JP 63014321 A JP63014321 A JP 63014321A JP 1432188 A JP1432188 A JP 1432188A JP H01190286 A JPH01190286 A JP H01190286A
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- transistors
- supply terminal
- stator winding
- 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.)
- Granted
Links
- 238000004804 winding Methods 0.000 claims abstract description 36
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 239000003990 capacitor Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、停止制御即ちブレーキ制御を行うことができ
る３相ブラシレスモータ装覆に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a three-phase brushless motor arrangement capable of performing stop control or brake control.
［従来の技術］
３相ブラシレスモータの固定子巻線と直流電源との間に
３相インバータ（直流−交流変換器）を接続し、直流を
３相交流に変換して３相Ｙ結線の固定子巻線に供給する
ことは、例えば米国特許第４．２４９，１１６号明細書
等で公知である。[Conventional technology] A three-phase inverter (DC-AC converter) is connected between the stator winding of a three-phase brushless motor and a DC power source to convert DC to three-phase AC and fix the three-phase Y-connection. Feeding child windings is known, for example from US Pat. No. 4,249,116.
また、この種の３相ブラシレスモータの停止制御を行う
ために、第４図に示す如く、３相固定子巻線１ａ、１ｂ
、１ｃが接続されている３相電源ライン２ａ、２ｂ、２
ｃの間に機械的スイッチＳ１、Ｓ２を接続し、電源オフ
時にリレーＲＶに応答してスイッチＳ１、Ｓ２をオンに
なし、固定子巻線１ａ、１ｂ、１ｃを含む閉回路を形成
して電気的にブレーキをかけることも行われている。In addition, in order to perform stop control of this type of three-phase brushless motor, as shown in FIG.
, 1c are connected to the three-phase power lines 2a, 2b, 2
Mechanical switches S1 and S2 are connected between the terminals c and the switches S1 and S2 are turned on in response to the relay RV when the power is turned off, forming a closed circuit including the stator windings 1a, 1b and 1c to generate electricity. Brakes are also applied.
［発明が解決しようとする課題］
しかし、第４図に示すブレーキ専用のスイッチＳ１．３
２には比較的大きな電流が流れるので、スイッチＳ１、
Ｓ２が高価になるばがってなく、装置が大型になった。[Problem to be solved by the invention] However, the brake-specific switch S1.3 shown in FIG.
Since a relatively large current flows through switches S1 and
Not only did the S2 become more expensive, but the device also became larger.
また、スイッチＳ１、Ｓ２は機械的スイッチであるので
、信頼性が低かった。Further, since the switches S1 and S2 are mechanical switches, their reliability is low.
そこで、本発明の目的は、停止制御を容易且つ確実に行
うことができる３相ブラシレスモータ装置を提供するこ
とにある。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a three-phase brushless motor device that can easily and reliably perform stop control.
［課題を解決するための手段］
上記目的を達成するための本発明は、永久磁石から成る
回転子と、第１、第２及び第３の固定子巻線を含む固定
子とから成るモータと、直流電圧を供給するための第１
及び第２の電源端子と、前記第１の電源端子と前記第１
の固定子巻線との間に接続された第１のトランジスタと
、前記第１の固定子巻線と前記第２の電源端子との開に
接続された第２のトランジスタと、前記第１の電源端子
と前記第２の固定子巻線との闇に接続された第３のトラ
ンジスタと、前記第２の固定子巻線と前記第２の電源端
子との間に接続された第４のトランジスタと、前記第１
の電源端子と前記第３の固定子巻線との間に接続された
第５のトランジスタと、前記第３の固定子巻線と前記第
２の電源端子との間に接続された第６のトランジスタと
、前記第１及び第２の電源端子間の直流電圧を前記第１
、第２及び第３の固定子巻線に印加するための３相交流
電圧に変換するための前記第１、第２、第３、第４、第
５及び第６のトランジスタの制御信号を形成し、前記第
１、第２、第３、第４、第５及び第６のトランジスタに
供給する直流−交流変換制御回路とから成る３相ブラシ
レスモータ装置において、前記モータを停止ｆｆｉ制御
する時に、前記第１、第３及び第５のトランジスタをオ
フ状態になし、前記第２、第４及び第６のトランジスタ
の内の少なくとも２つを同時にオン制御゛する手段を設
けたことを特徴とする３相ブラシレスモータ装置に係わ
るものである。[Means for Solving the Problems] To achieve the above object, the present invention includes a motor including a rotor made of a permanent magnet, and a stator including first, second, and third stator windings. , the first for supplying the DC voltage
and a second power supply terminal, and the first power supply terminal and the first power supply terminal.
a first transistor connected between the first stator winding and the second power supply terminal; a second transistor connected between the first stator winding and the second power supply terminal; a third transistor connected between the power supply terminal and the second stator winding; and a fourth transistor connected between the second stator winding and the second power supply terminal. and the first
a fifth transistor connected between the power supply terminal and the third stator winding; and a sixth transistor connected between the third stator winding and the second power supply terminal. The DC voltage between the transistor and the first and second power supply terminals is
, forming control signals for said first, second, third, fourth, fifth and sixth transistors for conversion into a three-phase alternating current voltage for application to the second and third stator windings; In a three-phase brushless motor device comprising a DC-AC conversion control circuit that supplies the first, second, third, fourth, fifth, and sixth transistors, when controlling the motor to stop ffi, 3, characterized in that a means is provided for turning off the first, third and fifth transistors and turning on at least two of the second, fourth and sixth transistors at the same time. This relates to a phase brushless motor device.
［作 用コ
上記発明における第１、第２及び第３のトランジスタは
、直流を３相交流に変換するためのスイッチ素子として
働くのみでなく、第１、第２及び第３の固定子巻線を含
む閉回路を形成して停止制御を行うためのスイッチ素子
としても働く。[Function] The first, second and third transistors in the above invention not only function as switching elements for converting direct current into three-phase alternating current, but also act as switching elements for the first, second and third stator windings. It also functions as a switch element to perform stop control by forming a closed circuit including.
［実施例コ
次に、本発明の実施例に係わる３相ブラシレスモータ装
置を第１図〜第３図を参照して説明する。[Embodiment] Next, a three-phase brushless motor device according to an embodiment of the present invention will be described with reference to FIGS. 1 to 3.
第１図においてモータＭは、Ｙｗ！Ｊ線され且つ３相電
源ライン２ａ、２ｂ、２Ｃに接続された第１、第２及び
第３の固定子巻線１ａ、１ｂ、ＩＣを含む固定子と、モ
ータ軸３に結合された永久磁石から成る回転子４とを有
する。固定子磁心（図示せず）に巻かれた第１、第２及
び第３の固定子巻線１ａ、１ｂ、１ｃに３相交流電圧が
印加されると、回転磁界が生じ、３相同期電動機の原理
で回転子４が回転する。In FIG. 1, the motor M is Yw! A stator including first, second and third stator windings 1a, 1b and an IC connected to J-wire and three-phase power lines 2a, 2b, 2C, and a permanent magnet coupled to a motor shaft 3. It has a rotor 4 consisting of. When a three-phase AC voltage is applied to the first, second, and third stator windings 1a, 1b, and 1c wound around a stator magnetic core (not shown), a rotating magnetic field is generated, and a three-phase synchronous motor The rotor 4 rotates according to the principle.
モータＭを駆動するためのインバータ回路５は、３相ブ
リツジ型インバ一タ回路であって、第１の電源端子６と
第１の固定子巻線１ａとの間に接続された第１のトラン
ジスタＱ１と、第１の固定子巻線１ａと第２の電源端子
７との間に接続された第２のトランジスタＱ２と、第１
の電源端子６と第２の固定子巻線１ｂとの間に接続され
た第３のトランジスタＱ３と、第２の固定子巻線１ｂと
第２の電源端子７との間に接続された第４のトランジス
タＱ４と、第１の電源端子６と第３の固定子巻線ＩＣと
の間に接続された第５のトランジスタＱ５と、第３の固
定子巻線ＩＣと第２の電源端子７との間に接続された第
６のトランジスタＱ６とから成る。なお、各トランジス
タＱ１〜Ｑ６に並列に第１〜第６の保護用ダイオードＤ
１〜Ｄ６が接続されている。The inverter circuit 5 for driving the motor M is a three-phase bridge type inverter circuit, and includes a first transistor connected between a first power supply terminal 6 and a first stator winding 1a. Q1, a second transistor Q2 connected between the first stator winding 1a and the second power supply terminal 7, and a first
a third transistor Q3 connected between the power supply terminal 6 and the second stator winding 1b; and a third transistor Q3 connected between the second stator winding 1b and the second power supply terminal 7. a fifth transistor Q5 connected between the first power supply terminal 6 and the third stator winding IC, the third stator winding IC and the second power supply terminal 7; and a sixth transistor Q6 connected between. Note that first to sixth protective diodes D are connected in parallel to each transistor Q1 to Q6.
1 to D6 are connected.
回転子位置検出器８は量定子側に電気角１２０度間障で
配置されたホール素子から成る周知のものであり、ホー
ル素子の出力に基づいて第３図（Ａ）（Ｂ）（Ｃ）に示
す回転子位置信号Ｈａ、Ｈｂ 、Ｈｃを出力する。The rotor position detector 8 is a well-known type consisting of a Hall element arranged on the quantizer side with an electrical angle of 120 degrees, and based on the output of the Hall element, the output of the sensor shown in FIGS. 3(A), (B), and (C) It outputs rotor position signals Ha, Hb, and Hc shown in FIG.
直流−交流変換制御回路９は、回転子位置検出器８に接
続され、ここから供給される回転子位置信号Ｈａ 、Ｈ
ｂ 、Ｈｃに応答して第３図（Ｄ＞（Ｅ）（Ｆ）（Ｇ）
（Ｈ）（Ｉ＞に示す第１〜第６のトランジスタＱ１〜Ｑ
６の制御信号を形成し、第１〜第６のトランジスタＱ１
〜Ｑ６のベースに供給する。この直流−交流変換制御回
路９の電源端子は第１及び第２の電源端子６．７に接続
されている。第３図（Ｄ）〜（Ｉ）に示す制御信号を形
成する制御回路９は、３相ブラシレスモータ及び３相イ
ンバータにおいて周知なものであるので、詳しい説明は
省略する。The DC-AC conversion control circuit 9 is connected to the rotor position detector 8 and receives rotor position signals Ha, H supplied therefrom.
b, in response to Hc, Fig. 3 (D>(E)(F)(G)
(H) The first to sixth transistors Q1 to Q shown in (I>
6 control signals are formed, and the first to sixth transistors Q1
~Supply to the base of Q6. The power supply terminal of this DC-AC conversion control circuit 9 is connected to the first and second power supply terminals 6.7. The control circuit 9 that generates the control signals shown in FIGS. 3(D) to (I) is well known in three-phase brushless motors and three-phase inverters, and therefore detailed description thereof will be omitted.
第３図（Ｄ）〜（Ｉ）の制御信号に基づいて第１及び第
４のトランジスタＱｉ 、Ｑ４が同時にオン、第１及び
第６のトランジスタＱ１ 、Ｑ６が同時にオン、第３及
び第６のトランジスタＱ３ 、Ｑ６が同時にオン、第３
及び第２のトランジスタＱ３、Ｑ２が同時にオン、第５
及び第２のトランジスタＱ５ 、Ｑ２が同時にオン、第
５及び第４のトランジスタＱ５ 、Ｑ４が同時にオンの
状態がこの順番で生じると、電源ライン２ａ、２ｂ、２
Ｃに３相交流が得られる。Based on the control signals shown in FIGS. 3(D) to (I), the first and fourth transistors Qi and Q4 are turned on simultaneously, the first and sixth transistors Q1 and Q6 are simultaneously turned on, and the third and sixth transistors are turned on simultaneously. Transistors Q3 and Q6 are turned on at the same time, and the third
and the second transistors Q3 and Q2 are turned on simultaneously, and the fifth
When the second transistors Q5 and Q2 are turned on at the same time and the fifth and fourth transistors Q5 and Q4 are turned on at the same time in this order, the power supply lines 2a, 2b, 2
A three-phase alternating current is obtained at C.
停止制御回路１０は本発明に従って設けられたものであ
り、この電源ライン１１．１２がインバータ回路５の第
１及び第２の電源端子６．７に接続され、またこの出力
ライン１３が逆流阻止ダイオードＤ７ 、Ｄ８ 、Ｄ９
を介して第２、第４及び第６のトランジスタＱ２ 、Ｑ
４ 、Ｑ６のベースに接続されている。この停止制御回
８８１０は電源オフに応答して第２、第４及び第６のト
ランジスタＱ２ 、、Ｑ４ 、Ｑ６をオン駆動し、モー
タＭに電気的ブレーキをかけるように構成されている。A stop control circuit 10 is provided according to the invention, whose power supply line 11.12 is connected to the first and second power supply terminals 6.7 of the inverter circuit 5, and whose output line 13 is connected to a backflow blocking diode. D7, D8, D9
through the second, fourth and sixth transistors Q2, Q
4, connected to the base of Q6. This stop control circuit 8810 is configured to turn on the second, fourth, and sixth transistors Q2, Q4, and Q6 in response to power off, and apply an electric brake to the motor M.
第２図は第１図の停止制御回！！１ｓ１０を詳しく示す
。一対の電源ライン１１．１２間には電源電圧検出用抵
抗１４．１５が接続され、更に、逆流阻止用ダイオード
１６を介して電源用コンデンサ１７が接続されている。Figure 2 is the stop control time of Figure 1! ! 1s10 is shown in detail. A power supply voltage detection resistor 14.15 is connected between the pair of power supply lines 11.12, and a power supply capacitor 17 is further connected via a reverse current blocking diode 16.
コンデンサ１７の両端間には抵抗１８を介して基準電圧
を得るためのツェナーダイオード１９が接続されている
。電圧比較器２０は電源オフ又は低下を検出するための
ものであり、この一方の入力端子は電源電圧検出用抵抗
１４．１５の分圧点に接続され、他方の入力端子はツェ
ナーダイオード１９のカソードに接続されている。また
、比較器２０の電源端子はコンデンサ１７の両端に接続
されている。駆動用トランジスタ２１のベースは比較器
２０の出力端子に接続され、エミッタはコンデンサ１７
の一端に接続され、コレクタは出力ライン１３に接続さ
れている。A Zener diode 19 for obtaining a reference voltage is connected between both ends of the capacitor 17 via a resistor 18. The voltage comparator 20 is for detecting power off or drop, and one input terminal is connected to the voltage dividing point of the power supply voltage detection resistor 14 and 15, and the other input terminal is connected to the cathode of the Zener diode 19. It is connected to the. Further, the power terminal of the comparator 20 is connected to both ends of the capacitor 17. The base of the driving transistor 21 is connected to the output terminal of the comparator 20, and the emitter is connected to the capacitor 17.
The collector is connected to the output line 13.
（動 作）
インバータ回路５に駆動電圧が正常に供給されている時
には、直流−交流変換制御回路９から第３図（Ｄ）〜（
Ｉ）に示すような制御信号が発生し、第１及び第２の電
源端子６．７の直流電圧が交流電圧に変換されてモータ
Ｍに供給される。(Operation) When the drive voltage is normally supplied to the inverter circuit 5, the DC-AC conversion control circuit 9 sends signals from FIGS.
A control signal as shown in I) is generated, and the DC voltage at the first and second power supply terminals 6.7 is converted into an AC voltage and supplied to the motor M.
その後、第１及び第２の電源端子６．７による電力供給
が遮断されると、直流−交流変換制御回路９に基づく制
御信号の形成も不可能になり、トランジスタＱ１〜Ｑ６
に第３図（Ｄ）〜（Ｉ）に示すような制御信号が供給さ
れなくなる。Thereafter, when the power supply from the first and second power supply terminals 6.7 is cut off, it becomes impossible to form a control signal based on the DC-AC conversion control circuit 9, and the transistors Q1 to Q6
The control signals shown in FIGS. 3(D) to 3(I) are no longer supplied.
ところで、第２図のコンデンサ１７は電源遮断前に充電
されているので、電源遮断後においても電源として機能
する。比較器２０は抵抗１４．１５の分圧点の電圧がツ
ェナーダイオード１９で与えられる基準電圧よりも低く
なったことを検出し、低レベル出力を送出し、停止駆動
用トランジスタ２１がオンになる。この結果、コンデン
サ１７を電源としてインバータ回＃１５の第２、第４及
び第６のトランジスタＱ２ 、Ｑ４ 、Ｑ６にベース電
流が供給され、これ等のトランジスタＱ２ 、Ｑ４、Ｑ
６が同時にオンになる。このため、固定子巻線１ａ、１
ｂ、ＩＣが第２、第４及び第６のトランジスタＱ２ 、
Ｑ４ 、Ｑ６によって短絡された状態になり、電気的制
動状態が生じ、回転子４の回転が急速に停止する。By the way, since the capacitor 17 shown in FIG. 2 is charged before the power is cut off, it functions as a power source even after the power is cut off. The comparator 20 detects that the voltage at the voltage dividing point of the resistor 14.15 has become lower than the reference voltage given by the Zener diode 19, and sends out a low level output, turning on the stop drive transistor 21. As a result, base current is supplied to the second, fourth, and sixth transistors Q2, Q4, and Q6 of the inverter #15 using the capacitor 17 as a power source, and these transistors Q2, Q4, and Q
6 are turned on at the same time. For this reason, the stator windings 1a, 1
b, the IC is the second, fourth and sixth transistor Q2,
Q4 and Q6 become short-circuited, an electrical braking condition occurs, and the rotation of the rotor 4 is rapidly stopped.
本実施例は次の利点を有する。This embodiment has the following advantages.
（１） インバータ回路５の変換用トランジスタＱ２
、Ｑ４ 、Ｑ６を兼用してモータＭの停止制御を行うの
で、停止制御専用のスイッチが不要になり、モータ装！
の小形化及び低コスト化が達成される。(1) Conversion transistor Q2 of inverter circuit 5
, Q4, and Q6 are also used to control the stop of the motor M, so there is no need for a dedicated switch for stop control.
A reduction in size and cost is achieved.
（２） 停止制御に機械的スイッチを使用しないで、ト
ランジスタＱ２ 、Ｑ４ 、Ｑ６を使用するので、信頼
性が高くなる。(2) Transistors Q2, Q4, and Q6 are used instead of mechanical switches for stop control, which increases reliability.
〈３） コンデンサ１７を設けたので、電源遮断後のト
ランジスタＱ２ 、Ｑ４ 、Ｑ６の駆動が可能になる。(3) Since the capacitor 17 is provided, the transistors Q2, Q4, and Q6 can be driven after the power is cut off.
（４） 比較器２０によって電源遮断を検出するので、
自動的にブレーキをかけることができる。(4) Since power cutoff is detected by the comparator 20,
Brakes can be applied automatically.
［変形例］
本発明は上述の実施例に限定されるものでなく、例えば
次の変形が可能なものである。[Modifications] The present invention is not limited to the above-described embodiments, and, for example, the following modifications are possible.
〈１） 停止創世時に、３つのトランジスタＱ２、Ｑ４
、Ｑ６から選択された２つを同時にオンにしてもブレー
キ効果を得ることができる。(1) At the time of stop generation, three transistors Q2 and Q4
, Q6 can be turned on at the same time to obtain a braking effect.
（２） 回転子位置検出器８をホール素子等の磁気感応
素子を使用しないで、近接スイッチ、光電変換素子（ホ
トカプラー）、回転トランス等を使用して構成してもよ
い。(2) The rotor position detector 8 may be constructed using a proximity switch, a photoelectric conversion element (photocoupler), a rotary transformer, etc., without using a magnetically sensitive element such as a Hall element.
（３） モータＭに加える電圧を制御するために、第３
図（Ｄ）〜（Ｉ）に示す制御信号のパルス幅を制御する
か、又はインバータ回路５の入力段に高周波チョッパ回
路を設け、この出力パルスのデユティ比を制御してもよ
い。(3) In order to control the voltage applied to the motor M, the third
The pulse width of the control signals shown in FIGS. (D) to (I) may be controlled, or a high frequency chopper circuit may be provided at the input stage of the inverter circuit 5 to control the duty ratio of this output pulse.
（４） 回転子位置検出器８の出力に顆らないで、矩形
波パルス発生回路に基づいて第３図（Ｄ）〜（Ｉ）の制
御信号を形成するように直流−交流変換制御回路９を構
成してもよい。(4) The DC-AC conversion control circuit 9 is configured to generate the control signals shown in FIGS. 3(D) to (I) based on the rectangular wave pulse generation circuit without depending on the output of the rotor position detector 8. may be configured.
（５） 電源遮断時以外の停止制御にも適用可能である
。この場合には、インバータ回路５の第１、第３及び第
５のトランジスタＱ１ 、Ｑ３ 、Ｑ５をオフ制御し、
第２、第４及び第６のトランジスタＱ２、Ｑ４、Ｑ６を
オン制御すればよい。(5) Applicable to stop control other than when power is cut off. In this case, the first, third, and fifth transistors Q1, Q3, and Q5 of the inverter circuit 5 are controlled to be off,
It is sufficient to turn on the second, fourth, and sixth transistors Q2, Q4, and Q6.
（６） トランジスタＱ１〜Ｑ６を電界効果トランジス
タ（ＦＥＴ）としてもよい。(6) The transistors Q1 to Q6 may be field effect transistors (FETs).
（７） コンデンサ１７の代りに第１及び第２の電源端
子６．７に接続される電源とは別の電源としてもよい。(7) Instead of the capacitor 17, a power source different from the power source connected to the first and second power terminals 6.7 may be used.
［発明の効果］
以上のように、本発明によれば、直流を３相交流に変換
するためのトランジスタを停止ＩＩ御に兼用するので、
装置の低コスト化、小型化が達成できる。[Effects of the Invention] As described above, according to the present invention, since the transistor for converting direct current to three-phase alternating current is also used for stop II control,
It is possible to reduce the cost and size of the device.
第１図は本発明の実施例に係わる３相ブラシレスモータ
装置を示す回路図、
第２図は第１図の停止制御回路を詳しく示す回路図、
第３図は第１図の各部の状態を示す電圧波形図、第４図
は従来の３相ブラシレスモータの一部を示す回路図であ
る。
Ｑ１〜Ｑ６・・・トランジスタ、１ａ・・・第１の固定
子巻線、１ｂ・・・第２の固定子巻線、ＩＣ・・・第３
の固定子巻線、４・・・回転子、５・・・インバータ回
路、９・・・直流−交流変換制御回路、１０・・・停止
制御回路。Fig. 1 is a circuit diagram showing a three-phase brushless motor device according to an embodiment of the present invention, Fig. 2 is a circuit diagram showing the stop control circuit in Fig. 1 in detail, and Fig. 3 shows the state of each part in Fig. 1. The voltage waveform diagram shown in FIG. 4 is a circuit diagram showing a part of a conventional three-phase brushless motor. Q1 to Q6...transistor, 1a...first stator winding, 1b...second stator winding, IC...third
4... Rotor, 5... Inverter circuit, 9... DC-AC conversion control circuit, 10... Stop control circuit.
Claims (1)
３の固定子巻線を含む固定子とから成るモータと、 直流電圧を供給するための第１及び第２の電源端子と、 前記第１の電源端子と前記第１の固定子巻線との間に接
続された第１のトランジスタと、 前記第１の固定子巻線と前記第２の電源端子との間に接
続された第２のトランジスタと、 前記第１の電源端子と前記第２の固定子巻線との間に接
続された第３のトランジスタと、 前記第２の固定子巻線と前記第２の電源端子との間に接
続された第４のトランジスタと、 前記第１の電源端子と前記第３の固定子巻線との間に接
続された第５のトランジスタと、 前記第３の固定子巻線と前記第２の電源端子との間に接
続された第６のトランジスタと、 前記第１及び第２の電源端子間の直流電圧を前記第１、
第２及び第３の固定子巻線に印加するための３相交流電
圧に変換するための前記第１、第２、第３、第４、第５
及び第６のトランジスタの制御信号を形成し、前記第１
、第２、第３、第４、第５及び第６のトランジスタに供
給する直流−交流変換制御回路と から成る３相ブラシレスモータ装置において、前記モー
タを停止制御する時に、前記第１、第３及び第５のトラ
ンジスタをオフ状態になし、前記第２、第４及び第６の
トランジスタの内の少なくとも２つを同時にオン制御す
る手段を設けたことを特徴とする３相ブラシレスモータ
装置。[Claims] [1] A motor consisting of a rotor made of permanent magnets, a stator including first, second and third stator windings, and first and third stator windings for supplying direct current voltage. a second power supply terminal; a first transistor connected between the first power supply terminal and the first stator winding; and the first stator winding and the second power supply terminal. a third transistor connected between the first power supply terminal and the second stator winding, and the second stator winding. a fourth transistor connected between the second power supply terminal; a fifth transistor connected between the first power supply terminal and the third stator winding; and a third transistor connected between the first power supply terminal and the third stator winding. a sixth transistor connected between the stator winding and the second power supply terminal; and a DC voltage between the first and second power supply terminals.
said first, second, third, fourth and fifth for converting into a three-phase AC voltage for application to the second and third stator windings;
and a control signal for the sixth transistor;
, a DC-AC conversion control circuit that supplies second, third, fourth, fifth and sixth transistors, when controlling the motor to stop, the first and third transistors A three-phase brushless motor device, further comprising means for turning on a fifth transistor and turning on at least two of the second, fourth, and sixth transistors at the same time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63014321A JP2536010B2 (en) | 1988-01-25 | 1988-01-25 | 3-phase brushless motor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63014321A JP2536010B2 (en) | 1988-01-25 | 1988-01-25 | 3-phase brushless motor device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01190286A true JPH01190286A (en) | 1989-07-31 |
| JP2536010B2 JP2536010B2 (en) | 1996-09-18 |
Family
ID=11857818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63014321A Expired - Fee Related JP2536010B2 (en) | 1988-01-25 | 1988-01-25 | 3-phase brushless motor device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2536010B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5914582A (en) * | 1997-01-27 | 1999-06-22 | Hitachi, Ltd. | Permanent magnet synchronous motor controller and electric vehicle controller |
| EP0935336A2 (en) * | 1998-02-07 | 1999-08-11 | AKO-Werke GmbH & Co. KG | Method and device for controlling a synchronous motor |
| EP1533892A1 (en) * | 2003-11-14 | 2005-05-25 | ebm-papst Mulfingen GmbH & Co.KG | Method to reduce the braking time of a motor |
| JP2007129813A (en) * | 2005-11-02 | 2007-05-24 | Nissan Motor Co Ltd | Method of controlling power converter |
| KR100838385B1 (en) * | 2005-09-21 | 2008-06-13 | 인터내쇼널 렉티파이어 코포레이션 | Protection circuit for permanent magnet synchronous motor in field weakening operation |
| JP2013165536A (en) * | 2012-02-09 | 2013-08-22 | Minebea Co Ltd | Drive controller of brushless motor |
| JP2016192844A (en) * | 2015-03-31 | 2016-11-10 | ミネベア株式会社 | Motor drive control device and motor drive control method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58172992A (en) * | 1982-03-31 | 1983-10-11 | Hitachi Ltd | Drive circuit for motor |
-
1988
- 1988-01-25 JP JP63014321A patent/JP2536010B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58172992A (en) * | 1982-03-31 | 1983-10-11 | Hitachi Ltd | Drive circuit for motor |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5914582A (en) * | 1997-01-27 | 1999-06-22 | Hitachi, Ltd. | Permanent magnet synchronous motor controller and electric vehicle controller |
| EP0935336A2 (en) * | 1998-02-07 | 1999-08-11 | AKO-Werke GmbH & Co. KG | Method and device for controlling a synchronous motor |
| EP0935336A3 (en) * | 1998-02-07 | 2001-05-30 | Diehl AKO Stiftung & Co. KG | Method and device for controlling a synchronous motor |
| EP1533892A1 (en) * | 2003-11-14 | 2005-05-25 | ebm-papst Mulfingen GmbH & Co.KG | Method to reduce the braking time of a motor |
| KR100838385B1 (en) * | 2005-09-21 | 2008-06-13 | 인터내쇼널 렉티파이어 코포레이션 | Protection circuit for permanent magnet synchronous motor in field weakening operation |
| JP2007129813A (en) * | 2005-11-02 | 2007-05-24 | Nissan Motor Co Ltd | Method of controlling power converter |
| JP2013165536A (en) * | 2012-02-09 | 2013-08-22 | Minebea Co Ltd | Drive controller of brushless motor |
| JP2016192844A (en) * | 2015-03-31 | 2016-11-10 | ミネベア株式会社 | Motor drive control device and motor drive control method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2536010B2 (en) | 1996-09-18 |
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| LAPS | Cancellation because of no payment of annual fees |