JPS63302132A - Turbocharger provided with rotary electric machine - Google Patents
Turbocharger provided with rotary electric machineInfo
- Publication number
- JPS63302132A JPS63302132A JP13345687A JP13345687A JPS63302132A JP S63302132 A JPS63302132 A JP S63302132A JP 13345687 A JP13345687 A JP 13345687A JP 13345687 A JP13345687 A JP 13345687A JP S63302132 A JPS63302132 A JP S63302132A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- turbocharger
- electric machine
- thin film
- blade
- 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
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
- Supercharger (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明はエンジンの排気エネルギにて駆動されるターボ
チャージャに電動−発電機を接続した回転電機付ターボ
チャージャに関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a turbocharger with a rotating electrical machine, in which an electric motor-generator is connected to a turbocharger driven by engine exhaust energy.
（従来の技術）
エンジンより排出される排気ガスエネルギを利用してタ
ービンを駆動し、このタービンに直結したコンプレッサ
により吸入空気を圧縮してエンジンに過給気を圧送する
ターボチャージャが広く用いられている。そしてこの種
のターボチャージャの回転軸に三対以上の磁極を持った
永久磁石回転子とフェライトコア固定子を有する交流回
転電機を直結した超高速電動−発電機の提案が特願昭６
０−１９００９５号に示されている。(Prior art) Turbochargers are widely used in which exhaust gas energy discharged from an engine is used to drive a turbine, and a compressor directly connected to the turbine compresses intake air and pressurizes the supercharged air to the engine. There is. A patent application was submitted in 1983 for an ultra-high-speed electric motor-generator in which a permanent magnet rotor with three or more pairs of magnetic poles and an AC rotating electric machine with a ferrite core stator were directly connected to the rotating shaft of this type of turbocharger.
No. 0-190095.
（発明が解決しようとする問題点）
上述の超高速電動−発電機の提案においては回転子が多
極となり、また固定子コアとして高周波特性のよい素材
を用いて高速回転時の発電効率の部上を計っているが、
回転子の回転速度や回転時の回転子と固定子との相互位
置を検出する手段を欠いている。(Problems to be Solved by the Invention) In the proposal for the above-mentioned ultra-high-speed electric generator, the rotor has multiple poles, and the stator core is made of a material with good high-frequency characteristics to improve power generation efficiency during high-speed rotation. I'm measuring above, but
It lacks means for detecting the rotational speed of the rotor and the relative positions of the rotor and stator during rotation.
したがって、上記の回転速度や相互位置が未知のため、
タービン回転や発電効率の制御が十分に行われない不具
合を生じている。Therefore, since the above rotational speed and mutual position are unknown,
Problems have arisen in which turbine rotation and power generation efficiency are not adequately controlled.
本発明はこのような問題に鑑みてなされたものであり、
その目的はターボチャージャのコンプレッサブレードに
回転子の磁極位置に対応する磁気変化を生じ□させる磁
性体を取付け、その磁気変化を検出して磁極の回転や関
係位置を検知しようとする回転電機付ターボチャージャ
を提供するにある。The present invention was made in view of such problems,
The purpose of this is to install a magnetic material on the compressor blades of a turbocharger that causes a magnetic change that corresponds to the position of the rotor's magnetic poles, and to detect this magnetic change to detect the rotation of the magnetic poles and their related positions. Provide charger.
（問題点を解決するための手段）
本発明によれば、ターボチャージャの回転軸に直結した
回転電機と、該回転電機の回転磁極位置に対応して磁気
変化を生ぜしめる磁性体薄膜を背面に設けたコンプレッ
サブレードと、該磁性体薄膜を挟着してコンプレッサブ
レードに固定する非磁性体の円板と、コンプレッサブレ
ードの背面の外周に近接して取付けられ前記磁性体薄膜
による磁気変化を検出する磁気センサとを備えた回転電
機付ターボチャージャが提供される。(Means for Solving the Problems) According to the present invention, a rotating electrical machine directly connected to the rotating shaft of a turbocharger, and a magnetic thin film that produces a magnetic change corresponding to the position of the rotating magnetic pole of the rotating electrical machine are provided on the back surface of the rotating electrical machine. A compressor blade is provided, a non-magnetic disc is fixed to the compressor blade by sandwiching the magnetic thin film, and the disk is attached close to the outer periphery of the back surface of the compressor blade to detect magnetic changes caused by the magnetic thin film. A turbocharger with a rotating electric machine is provided.
（作用）
本発明では、回転子の磁極位置に対応して変形させた磁
性体薄膜の回転による磁気変化を、磁気センサにより検
出するので、高速回転するタービンの回転数や回転電機
の磁極位置が時間の遅れなく検出される作用がある。(Function) In the present invention, a magnetic sensor detects the magnetic change due to the rotation of a magnetic thin film that is deformed in accordance with the magnetic pole position of the rotor, so the rotational speed of a high-speed rotating turbine and the magnetic pole position of a rotating electric machine can be detected by a magnetic sensor. It has an effect that can be detected without time delay.
（実施例）
つぎに本発明の実施例について図面を用いて詳細に説明
する。(Example) Next, an example of the present invention will be described in detail using the drawings.
第１図は本発明の一実施例を示す構成断面図であり、第
２図はその実施例に用いる磁性体薄膜の平面図である。FIG. 1 is a cross-sectional view of the configuration of an embodiment of the present invention, and FIG. 2 is a plan view of a magnetic thin film used in the embodiment.
第１図において、１はターボチャージャでありタービン
ハウジング２１に圧送される排気ガスの圧力によりター
ビンブレード２が駆動され、回転軸３を介して直結され
た非磁性材よりなるコンプレッサブレード４の回転によ
り、吸気を圧縮してコンプレッサハウジンク４１を通じ
て図示していないエンジンに過給するものである。In FIG. 1, reference numeral 1 denotes a turbocharger. Turbine blades 2 are driven by the pressure of exhaust gas fed to a turbine housing 21, and are driven by the rotation of compressor blades 4 made of a non-magnetic material that are directly connected via a rotating shaft 3. , compresses intake air and supercharges an engine (not shown) through a compressor housing 41.
５は回転子であり、強力な残留磁気力を有する永久磁石
よりなり、例えばラジアル方向に二極の磁極となるよう
着磁されている。６は回転子５に対応して設けられた固
定子で、固愛子リード線６１が引出されて回転電機が発
電機作動時には所定の電気負荷に電力供給し、電動機作
動時には電源からの電力が供給されるものである。A rotor 5 is made of a permanent magnet having a strong residual magnetic force, and is magnetized to have two magnetic poles in the radial direction, for example. Reference numeral 6 denotes a stator provided corresponding to the rotor 5, from which a fixed lead wire 61 is pulled out, and when the rotating electric machine is operating as a generator, power is supplied to a predetermined electrical load, and when the motor is operating, power is supplied from the power source. It is something that will be done.
７はアモルファスの珪素鋼材のプレートよりなる磁性体
薄膜であり、コンプレッサブレード４の背面に取付けら
れ、第２図に示すようにその周縁部分の１８０°の扇形
部フ１を切欠き、残りの周縁部分は磁性体がコンプレッ
サブレード４の背面の外縁に達する形状に形成されてい
る。８はセラミックプレートで、炭化珪素、窒化珪素、
アルミナなどよりなり、コンプレッサブレード４の背面
と同一直径の円板に形成されている。そして、回転軸３
には回転子５、スペーサ３１、セラミックプレート８、
磁性体薄膜７を有するコンプレッサブレード４の順序に
て締付ネジ３２にて取付けられるが、磁性体薄膜フの扇
形部７１の端部Ａ、 Ｂの位置は回転子５のＮＳ磁極位
置とそれぞれ対応し、高速回転時にもその対応位置がず
れを生ずることなく、また遠心力により飛散を防止する
ようセラミックプレート８にて保護されて堅牢に締付け
られている。Reference numeral 7 denotes a magnetic thin film made of an amorphous silicon steel plate, which is attached to the back of the compressor blade 4. As shown in FIG. The portion is formed in such a shape that the magnetic material reaches the outer edge of the back surface of the compressor blade 4. 8 is a ceramic plate made of silicon carbide, silicon nitride,
It is made of alumina or the like and is formed into a disc having the same diameter as the back surface of the compressor blade 4. And the rotation axis 3
includes a rotor 5, a spacer 31, a ceramic plate 8,
The compressor blades 4 having the magnetic thin film 7 are attached with the tightening screws 32 in the order in which the positions of the ends A and B of the fan-shaped portion 71 of the magnetic thin film 7 correspond to the NS magnetic pole positions of the rotor 5, respectively. However, it is protected by a ceramic plate 8 and fastened firmly so that its corresponding position does not shift even during high-speed rotation and prevents scattering due to centrifugal force.
９は磁気センサで、その近傍の磁気抵抗の変化を検出し
て信号を発するものであり、コンプレッサブレード４の
背面の外周の近くに取付けられている。そして、磁気セ
ンサ９は図示していない検知装置に接続され、前記の磁
性体薄膜７の回転により端部Ａ、Ｂにて生ずる磁気抵抗
変化を磁気センサ９が検出して信号を送信すると、検知
装置は検出信号により回転子５の回転数や磁極位置を検
知するよう構成されている。Reference numeral 9 denotes a magnetic sensor, which detects changes in magnetic resistance in the vicinity and generates a signal, and is attached near the outer periphery of the back surface of the compressor blade 4. The magnetic sensor 9 is connected to a detection device (not shown), and when the magnetic sensor 9 detects a change in magnetic resistance that occurs at the ends A and B due to the rotation of the magnetic thin film 7 and sends a signal, it is detected. The device is configured to detect the rotation speed and magnetic pole position of the rotor 5 based on the detection signal.
なお、１０は回転軸３を軸支するベアリング、１１はベ
アリング１０に送油する潤滑油通路である。Note that 10 is a bearing that supports the rotating shaft 3, and 11 is a lubricating oil passage that supplies oil to the bearing 10.
このように構成された本実施例の作動を説明すると、エ
ンジンの排気エネルギによりタービンブレード２が駆動
され、回転軸３に取付けた回転子５、セラミックプレー
ト８、磁性体薄膜フ、コンプレッサブレード４などが高
速度に回転駆動される。この回転駆動により磁性体薄膜
フの端部Ａ。To explain the operation of this embodiment configured in this way, the turbine blades 2 are driven by the exhaust energy of the engine, and the rotor 5 attached to the rotating shaft 3, the ceramic plate 8, the magnetic thin film, the compressor blade 4, etc. is rotated at high speed. This rotational drive causes the end portion A of the magnetic thin film to be rotated.
Ｂが回転すると、磁気センサ９は磁気抵抗の増大または
減少による変化を感することになり、検出信号を検知装
置に発信する。そしてこの検出信号の回数によりターボ
チャージャ１の回転数が検知でき、また磁気抵抗変化の
傾向を検知することにより回転子５の磁極位置が検知で
きることになる。When B rotates, the magnetic sensor 9 senses a change due to an increase or decrease in magnetic resistance and sends a detection signal to the detection device. The number of rotations of the turbocharger 1 can be detected based on the number of times this detection signal is generated, and the magnetic pole position of the rotor 5 can be detected by detecting the tendency of change in magnetic resistance.
以上本発明を一実施例によって説明したが、本発明の主
旨の範囲内で種々の変形が可能であり、これらを本発明
の範囲から排除するものではない。Although the present invention has been described above using one embodiment, various modifications can be made within the scope of the gist of the present invention, and these are not excluded from the scope of the present invention.
（発明の効果）
本発明によれば、ターボチャージャのコンプレッサブレ
ードの背面に磁性体薄膜を取付けてセラミックプレート
で保護して固定し、その回転時の磁性体薄膜による磁気
変化を磁気センサで検出して回転数や対応する磁極位置
を検知するので、磁気作用のためタイミングの遅延なく
適確に回転数や磁極位置が検知でき、タービン回転や回
転電機の制御に不可欠のデータが得られる効果がある。(Effects of the Invention) According to the present invention, a magnetic thin film is attached to the back surface of the compressor blade of a turbocharger, protected and fixed with a ceramic plate, and magnetic changes caused by the magnetic thin film during rotation are detected by a magnetic sensor. Since the rotation speed and the corresponding magnetic pole position are detected by the magnetic action, the rotation speed and magnetic pole position can be accurately detected without any timing delay due to the magnetic effect, which has the effect of obtaining essential data for controlling turbine rotation and rotating electric machines. .
また、本発明ではコンプレッサブレードの背面に１８０
°分割した単純な形状として磁性体薄膜を形成したので
、磁性体薄膜の回転により得られる信号の処理が容易と
なり、単に増幅するのみで複雑な信号処理機構が省略で
きる利点がある。In addition, in the present invention, 180 mm is attached to the back of the compressor blade.
Since the magnetic thin film is formed in a simple shape divided by degrees, it is easy to process the signal obtained by rotating the magnetic thin film, and there is an advantage that a complicated signal processing mechanism can be omitted by simply amplifying it.
さらに、本発明では磁気変化を生ぜしめる磁性体として
アモルファスの珪素鋼の薄膜を使用しセラミックプレー
トで保護して固定したので、軽量にて容積が少なく、高
い剛性と磁気変化量が十分に得られ、安定した検出出力
が得られる効果もある。Furthermore, in the present invention, a thin film of amorphous silicon steel is used as the magnetic material that causes magnetic change, and it is protected and fixed with a ceramic plate, so it is lightweight, has a small volume, and has high rigidity and a sufficient amount of magnetic change. This also has the effect of providing stable detection output.
第１図は本発明の一実施例を示す構成説明図、第２図は
本実施例に用いる磁性体薄膜の平面図である。
１・・・ターボチャージャ、３・・・回転軸、４・・・
コンプレッサブレード、５・・・回転子、６・・・固定
子、７・・・磁性体薄膜、８・・・セラミックプレート
、９・・・磁気センサ。FIG. 1 is a configuration explanatory diagram showing one embodiment of the present invention, and FIG. 2 is a plan view of a magnetic thin film used in this embodiment. 1...Turbocharger, 3...Rotating shaft, 4...
Compressor blade, 5... Rotor, 6... Stator, 7... Magnetic thin film, 8... Ceramic plate, 9... Magnetic sensor.
Claims (2)
、該回転電機の回転磁極位置に対応して磁気変化を生ぜ
しめる磁性体薄膜を背面に設けたコンプレッサブレード
と、該磁性体薄膜を挟着してコンプレッサブレードに固
定する非磁性体の円板と、コンプレッサブレードの背面
の外周に近接して取付けられ前記磁性体薄膜による磁気
変化を検出する磁気センサとを備えたことを特徴とする
回転電機付ターボチャージャ。(1) A rotating electric machine directly connected to the rotating shaft of the turbocharger, a compressor blade with a magnetic thin film on the back that produces magnetic changes corresponding to the position of the rotating magnetic pole of the rotating electric machine, and the magnetic thin film sandwiched together. A rotating electric machine comprising: a non-magnetic disk fixed to a compressor blade; and a magnetic sensor attached close to the outer periphery of the back surface of the compressor blade to detect magnetic changes caused by the magnetic thin film. With turbocharger.
とする特許請求の範囲第（１）項記載の回転電機付ター
ボチャージャ。(2) The turbocharger with a rotating electric machine according to claim (1), wherein the disk is a ceramic plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13345687A JPH0791996B2 (en) | 1987-05-30 | 1987-05-30 | Turbocharger with rotating electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13345687A JPH0791996B2 (en) | 1987-05-30 | 1987-05-30 | Turbocharger with rotating electric machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63302132A true JPS63302132A (en) | 1988-12-09 |
| JPH0791996B2 JPH0791996B2 (en) | 1995-10-09 |
Family
ID=15105204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13345687A Expired - Lifetime JPH0791996B2 (en) | 1987-05-30 | 1987-05-30 | Turbocharger with rotating electric machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0791996B2 (en) |
-
1987
- 1987-05-30 JP JP13345687A patent/JPH0791996B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0791996B2 (en) | 1995-10-09 |
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