JP2900619B2 - Protective device for rotating electric machine for turbocharger - Google Patents
Protective device for rotating electric machine for turbochargerInfo
- Publication number
- JP2900619B2 JP2900619B2 JP3029492A JP2949291A JP2900619B2 JP 2900619 B2 JP2900619 B2 JP 2900619B2 JP 3029492 A JP3029492 A JP 3029492A JP 2949291 A JP2949291 A JP 2949291A JP 2900619 B2 JP2900619 B2 JP 2900619B2
- Authority
- JP
- Japan
- Prior art keywords
- current
- electric machine
- turbocharger
- excessive
- battery
- 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.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Supercharger (AREA)
- Protection Of Generators And Motors (AREA)
Description
【0001】[0001]
【産業上の利用分野】本発明はターボチャージャの回転
軸に取付けた電動−発電機の作動を制御する電力回路を
保護するターボチャージャ用回転電機の保護装置に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a protection device for a rotary electric machine for a turbocharger for protecting a power circuit for controlling the operation of a motor-generator mounted on a rotary shaft of a turbocharger.
【0002】[0002]
【従来の技術】近年、排気ガスによって駆動されるター
ビンにコンプレッサを取付け、該コンプレッサの圧気作
動によりエンジンに過給気を圧送するターボチャージャ
が広く使用されており、また、該ターボチャージャの回
転軸に電動−発電機を配置し、エンジンの運転状態に応
じて回転電機に電動駆動、または発動作動を行わせ、タ
ーボチャージャの過給作動の助勢あるいは排気エネルギ
ーを電力回生することが行われている。2. Description of the Related Art In recent years, a turbocharger has been widely used in which a compressor is mounted on a turbine driven by exhaust gas and a supercharged air is supplied to an engine by a pneumatic operation of the compressor. An electric motor-generator is disposed in the electric motor to cause the rotating electric machine to perform electric drive or start operation according to the operation state of the engine, thereby assisting a supercharging operation of the turbocharger or regenerating electric power of exhaust energy. .
【0003】そして、このようなターボチャージャに取
付けられた回転電機の制御に際しては、例えば回転電機
の回転数に応じて供給電力を制御するようなターボチャ
ージャ用回転電機の制御装置が特開平1−155027
号公報に示されているが、一般的に電力回路として電圧
変換部、インバータ部およびレギュレータ部のような部
分に分けられて、図3に示すように結線され、バッテリ
と回転電機との間に接続されている。In controlling a rotating electric machine mounted on such a turbocharger, for example, a control apparatus for a rotating electric machine for a turbocharger, which controls supply electric power in accordance with the number of revolutions of the rotating electric machine, is disclosed in Japanese Patent Application Laid-Open No. HEI 1-1990. 155027
However, the power circuit is generally divided into parts such as a voltage conversion unit, an inverter unit, and a regulator unit, which are connected as shown in FIG. It is connected.
【0004】[0004]
【発明が解決しようとする課題】上述のような回転電機
の電力回路では、それぞれの部分のうちの一部の故障に
より過大電流が生ずると、他の部分やバッテリにも悪影
響を与え、走行中の車両に危険が生ずる虞がある。In the power circuit of a rotating electric machine as described above, when an excessive current is generated due to a failure of a part of each part, the other parts and the battery are also adversely affected, and the running power is reduced. There is a possibility that danger may occur in the vehicle.
【0005】本発明はこのような問題に鑑みてなされた
ものであり、その目的は回転電機の電力回路に保護回路
を組込むことにより、上述の欠点を解消しようとするタ
ーボチャージャ用回転電機の保護装置を提供することに
ある。The present invention has been made in view of the above problems, and has as its object to protect a rotating electric machine for a turbocharger by solving the above-mentioned drawbacks by incorporating a protection circuit into a power circuit of the rotating electric machine. It is to provide a device.
【0006】[0006]
【課題を解決するための手段】上述の目的を達成するた
めに本発明によれば、ターボチャージャに配置した回転
電機とバッテリとの間に接続され該回転電機を電動/発
電作動せしめる電力回路を保護するターボチャージャ用
回転電機の保護装置において、前記回転電機の電動作動
時における過大電流により溶断されるヒューズと、バッ
テリと電力回路との間の主電流を遮断自在な電流遮断手
段と、該主電流の過大およびバッテリへの供給電圧の過
大を検出して前記電流遮断手段を作動せしめる過大検出
手段とを有するターボチャージャ用回転電機の保護装置
が提供される。According to the present invention, there is provided a power circuit connected between a rotating electric machine disposed in a turbocharger and a battery for operating the rotating electric machine by electric / electric power generation. In a protection device for a rotary electric machine for a turbocharger to be protected, a fuse blown by an excessive current during an electric operation of the rotary electric machine, a current interrupting means capable of interrupting a main current between a battery and a power circuit, An apparatus for protecting a rotary electric machine for a turbocharger, comprising: an excessive detection means for detecting an excessive current and an excessive supply voltage to a battery to activate the current interrupting means.
【0007】[0007]
【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。Next, an embodiment of the present invention will be described in detail with reference to the drawings.
【0008】図1は本発明にかかるターボチャージャ用
回転電機の保護装置の一実施例を示す構成ブロック図で
ある。FIG. 1 is a block diagram showing an embodiment of a protection device for a rotary electric machine for a turbocharger according to the present invention.
【0009】同図において、1は電力回路で、回転電機
2とバッテリ3との間に接続されて回転電機2の運転を
制御するもので、つぎの各部を備えている。In FIG. 1, reference numeral 1 denotes a power circuit which is connected between the rotating electric machine 2 and a battery 3 to control the operation of the rotating electric machine 2, and includes the following components.
【0010】11は電流遮断手段となる半導体制御素子
のGTOで、ゲートに流す電流により主電流を断にする
素子であり、例えば400A程度の容量のものが使用さ
れて、バッテリ3と電圧変換部13との間の配線に介在
され、他方の配線には300A程度で溶断されるヒュー
ズ12が使用されている。Reference numeral 11 denotes a semiconductor control element GTO serving as a current interrupting means, which is an element for interrupting a main current by a current flowing through a gate. The fuse 12 which is interposed between the wires 13 and 13 and is blown at about 300 A is used for the other wire.
【0011】電圧変換部13はバッテリ電圧の12Vを
100V程度に昇圧させるもので、昇圧された出力はイ
ンバータ部14に接続され、該インバータ部14による
所定周波数の交流電力が回転電機2に供給される。The voltage conversion section 13 boosts the battery voltage from 12 V to about 100 V. The boosted output is connected to an inverter section 14, and AC power of a predetermined frequency by the inverter section 14 is supplied to the rotating electric machine 2. You.
【0012】15はレギュレータ部であり、回転電機2
からの交流出力がインバータ部14により直流に変換さ
れた80V程度の電力を、充電用の15Vに降圧させる
もので、該出力は前述のGTO11を介してバッテリ3
に接続されている。なお、レギュレータ部15からバッ
テリ3に至る回路には分流器16が接続され、該分流器
16を通過する電流による微少電圧の計測や、バッテリ
3に供給される電圧の測定は過電圧制御部17により行
われ、これらの値が過大の時はGTO11により回路を
遮断するように構成されている。Reference numeral 15 denotes a regulator unit,
The AC output from the inverter is converted to DC by the inverter unit 14 to reduce the electric power of about 80 V to 15 V for charging. The output is supplied to the battery 3 via the GTO 11 described above.
It is connected to the. A shunt 16 is connected to a circuit from the regulator unit 15 to the battery 3, and measurement of a minute voltage by a current passing through the shunt 16 and measurement of a voltage supplied to the battery 3 are performed by the overvoltage control unit 17. When these values are excessive, the circuit is shut off by the GTO 11.
【0013】4はコントローラで、過電圧制御部17に
制御指令を発してその作動を制御するもの、5は表示器
で、過電圧制御部17の作動に基づいてエラーや、スト
ップなどを表示してドライバーに警告するものである。Reference numeral 4 denotes a controller, which issues a control command to the overvoltage control unit 17 to control its operation. Reference numeral 5 denotes a display, which displays an error or stop based on the operation of the overvoltage control unit 17 and displays a driver. Warning.
【0014】このように構成された本実施例では、例え
ば電圧変換部13の内部素子の故障によってバッテリ3
から過大電流が流れた場合にはヒューズ12の断によっ
て、通電が断たれてバッテリ3への悪影響が防止され、
また、レギュレータ部13の内部素子の故障時の過大電
圧や不時の短絡などで大電流が分流器16を通過する
と、検出した過電圧制御部17に基づきGTO11が作
動して回路を遮断し、更に再通電を行い該通電が正常の
場合は通電が継続されるように作動するものであり、図
2の処理フロー図に従い本実施例における作動の一例を
説明する。In the present embodiment configured as described above, for example, the failure of the internal
When an excessive current flows from the battery, the fuse 12 is cut off, the current is cut off, and an adverse effect on the battery 3 is prevented.
When a large current passes through the shunt 16 due to an excessive voltage at the time of failure of an internal element of the regulator unit 13 or a short circuit at an emergency, the GTO 11 operates based on the detected overvoltage control unit 17 to cut off the circuit. Re-energization is performed, and when the energization is normal, the operation is performed so that the energization is continued. An example of the operation in the present embodiment will be described with reference to the processing flowchart of FIG.
【0015】まずステップ1にてGTO11がオンにさ
れると排気エネルギーによって運転される回転電機2か
らの電力はインバータ部14、レギュレータ部13を介
してバッテリ3に送られるが、この場合分流器16に通
ずる電流が適切な電流値であり、また過電圧制御部17
に入力される検出ラインAからの電圧値が過大電圧でな
い場合はステップ3,4を介してステップ5に進んで通
常運転が行われる。First, when the GTO 11 is turned on in step 1, the electric power from the rotating electric machine 2 driven by the exhaust energy is sent to the battery 3 via the inverter section 14 and the regulator section 13. In this case, the shunt 16 The current flowing through the overvoltage control unit 17 is an appropriate current value.
If the voltage value from the detection line A input to the terminal is not an excessive voltage, the process proceeds to step 5 via steps 3 and 4, and normal operation is performed.
【0016】ステップ3にて例えば不注意などで+ライ
ンが接地側に接触して短絡するなど分流器16に過大電
流が流れるとステップ6に進んで過電圧制御部17の制
御によってGTO11がオフとなって瞬間的に電流が断
となり、ステップ7にて表示器にエラー表示が行われる
が、ステップ8ではコントローラ4からの指令に基づき
再度GTO11に信号が送られて回路をオンする。つい
で、分流器16を通過する電流値が再チェックされ、ス
テップ9にて過大電流が検出されるとGTO11を再度
オフにして表示器5にストップの警告を示すが(ステッ
プ11,12))、所定の電流値の場合はステップ10
に進んで通常運転が行われる。In step 3, if an excessive current flows through the shunt 16 such that the + line contacts the ground side and short-circuits due to carelessness or the like, the process proceeds to step 6 and the GTO 11 is turned off under the control of the overvoltage control unit 17. Then, the current is momentarily cut off, and an error is displayed on the display in step 7, but in step 8, a signal is sent to the GTO 11 again based on a command from the controller 4 to turn on the circuit. Next, the value of the current passing through the shunt 16 is checked again, and if an excessive current is detected in step 9, the GTO 11 is turned off again to show a stop warning on the display 5 (steps 11 and 12). Step 10 if the current value is a predetermined value
And the normal operation is performed.
【0017】また、前述のステップ4で過大電圧の場合
はレギュレータ部15などに異常の発生が想定されるの
でステップ13に移行し、過電圧制御部17の制御によ
ってGTO11が断にされるとともに、表示器5にはス
トップが表示されてドライバーに警告することになる。If it is determined in step 4 that the voltage is excessive, an abnormality is assumed to occur in the regulator unit 15 or the like. Therefore, the process proceeds to step 13, where the GTO 11 is turned off by the control of the overvoltage control unit 17, and the display is performed. The stop is displayed on the device 5 to warn the driver.
【0019】以上、本発明を上述の実施例を用いて説明
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、これらの変形を本発明の範囲から排除するものでは
ない。As described above, the present invention has been described using the above-described embodiment. However, various modifications are possible within the scope of the present invention, and these modifications are not excluded from the scope of the present invention.
【発明の効果】上述の実施例により説明したように本発
明によれば、回転電機を制御する電力回路にGTOを設
けて過大電流に基づいて断制御するとともに、溶断する
ヒューズを配置したので、電力回路内の異常の発生時に
はGTOやヒューズによってバッテリの回路を断にする
ことによってバッテリを保護する効果が得られ、また、
不注意による+ラインのアース時には瞬間的にGTOが
断となってバッテリへの悪影響を防ぎ、さらに再通電が
行われて電流値に異常のない場合は通電が継続されると
いう利点が得られる。According to the present invention, as described in the above embodiment, a GTO is provided in a power circuit for controlling a rotating electric machine to perform disconnection control based on an excessive current, and a fuse to be disconnected is arranged. When an abnormality occurs in the power circuit, the effect of protecting the battery can be obtained by disconnecting the battery circuit by using a GTO or a fuse.
When the + line is inadvertently grounded, the GTO is momentarily cut off to prevent an adverse effect on the battery. Further, when the power supply is performed again and the current value is normal, the power supply is continued.
【図1】本発明にかかるターボチャージャ用回転電機の
保護装置の一実施例を示す構成ブロック図である。FIG. 1 is a configuration block diagram showing one embodiment of a protection device for a rotary electric machine for a turbocharger according to the present invention.
【図2】本実施例の作動の一例を示す処理フロー図であ
る。FIG. 2 is a processing flowchart illustrating an example of the operation of the present embodiment.
【図3】従来の回転電機の電力回路の内部構成の一例を
示すブロック図である。FIG. 3 is a block diagram illustrating an example of an internal configuration of a power circuit of a conventional rotating electric machine.
1…電力回路 2…回転電機 3…バッテリ 4…コントローラ 5…表示器 11…GTO 12…ヒューズ 17…過電圧制御部 DESCRIPTION OF SYMBOLS 1 ... Power circuit 2 ... Rotating electric machine 3 ... Battery 4 ... Controller 5 ... Display 11 ... GTO 12 ... Fuse 17 ... Overvoltage control part
Claims (3)
ッテリとの間に接続され該回転電機を電動/発電作動せ
しめる電力回路を保護するターボチャージャ用回転電機
の保護装置において、前記回転電機の電動作動時におけ
る過大電流により溶断されるヒューズと、バッテリと電
力回路との間の主電流を遮断自在な電流遮断手段と、該
主電流の過大およびバッテリへの供給電圧の過大を検出
して前記電流遮断手段を作動せしめる過大検出手段とを
有することを特徴とするターボチャージャ用回転電機の
保護装置。1. A protection device for a rotary electric machine for a turbocharger, which is connected between a rotary electric machine arranged in a turbocharger and a battery, and protects a power circuit for operating the rotary electric machine for electric / power generation. A fuse blown by an excessive current at the time, a current interrupting unit capable of interrupting a main current between the battery and the power circuit, and detecting the excessive current of the main current and the excessive supply voltage to the battery to detect the excessive current. A protection device for a rotary electric machine for a turbocharger, comprising: an excessive detection means for operating the means.
に電流遮断手段を作動せしめた後、再通電を行い通常電
流の検出時は通電を継続せしめることを特徴とする請求
項1記載のターボチャージャ用回転電機の保護装置。2. The system according to claim 1, wherein said excessive detecting means activates the current interrupting means instantaneously when the main current is excessive, re-energizes the electric current, and continues the energizing when the normal current is detected. Protection device for rotating electric machine for turbocharger.
るGTOを採用したことを特徴とする請求項1記載のタ
ーボチャージャ用回転電機の保護装置。3. The protection device for a rotary electric machine for a turbocharger according to claim 1, wherein said current interruption means employs a GTO comprising a semiconductor control element.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3029492A JP2900619B2 (en) | 1991-01-30 | 1991-01-30 | Protective device for rotating electric machine for turbocharger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3029492A JP2900619B2 (en) | 1991-01-30 | 1991-01-30 | Protective device for rotating electric machine for turbocharger |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH04246238A JPH04246238A (en) | 1992-09-02 |
JP2900619B2 true JP2900619B2 (en) | 1999-06-02 |
Family
ID=12277572
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3029492A Expired - Fee Related JP2900619B2 (en) | 1991-01-30 | 1991-01-30 | Protective device for rotating electric machine for turbocharger |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2900619B2 (en) |
-
1991
- 1991-01-30 JP JP3029492A patent/JP2900619B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH04246238A (en) | 1992-09-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |