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WO2012035817A1 - Regenerative device for motor-driven traveling body, and motor-driven traveling body using same - Google Patents

Regenerative device for motor-driven traveling body, and motor-driven traveling body using same Download PDF

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Publication number
WO2012035817A1
WO2012035817A1 PCT/JP2011/060491 JP2011060491W WO2012035817A1 WO 2012035817 A1 WO2012035817 A1 WO 2012035817A1 JP 2011060491 W JP2011060491 W JP 2011060491W WO 2012035817 A1 WO2012035817 A1 WO 2012035817A1
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Prior art keywords
motor
drive motor
regenerative
traveling body
driven traveling
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PCT/JP2011/060491
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French (fr)
Japanese (ja)
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茂治 清水
清水　幹治
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日本シリコン・エレクトロニクス・テクノロジー株式会社
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Priority to JP2012533882A priority Critical patent/JPWO2012035817A1/en
Publication of WO2012035817A1 publication Critical patent/WO2012035817A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/10—Dynamic electric regenerative braking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/18—Propelling the vehicle
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18027—Drive off, accelerating from standstill
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K16/00—Arrangements in connection with power supply of propulsion units in vehicles from forces of nature, e.g. sun or wind
    • B60K2016/003—Arrangements in connection with power supply of propulsion units in vehicles from forces of nature, e.g. sun or wind solar power driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/26—Rail vehicles
    • 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
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility
    • 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
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/90—Energy harvesting concepts as power supply for auxiliaries' energy consumption, e.g. photovoltaic sun-roof

Definitions

  • the present invention relates to a motor-driven traveling body such as an electric vehicle or an electric vehicle equipped with a driving motor, and particularly reduces the starting torque load when starting the electric vehicle, and can function as a regenerative motor during traveling.
  • the present invention relates to a motor-driven traveling body regeneration device and a motor-driven traveling body using the same.
  • JP 2010-68697A a configuration in which a separately-excited generator is connected to each engine and connected to an inverter is known, but a current corresponding to the startup torque at startup is supplied. It is not configured.
  • the present invention was devised in view of the above circumstances, and its main problem is that, when traveling with a large torque load such as at the time of starting, the auxiliary driving motor that has been decelerated is used as the starting motor for initial braking, and thereafter By driving the main drive motor smoothly and smoothly shifting, a general travel motor with a smaller maximum output can be selected and used in a highly efficient area.
  • the auxiliary drive motor used at start-up is a braking mode that collects electrical energy as a regenerative motor except during start-up, and the main drive motor also functions as a regenerative motor when traveling at high speed or when there is little torque load such as downhill. It is to realize energy saving by efficiently storing regenerative energy.
  • the present invention provides In a regenerative device for a motor-driven traveling body such as a motor such as an electric vehicle, An auxiliary drive motor that drives before the main drive motor when starting the motor-driven traveling body and smoothly transfers the driving force to the main drive motor, regenerates power when the load is low, and charges the battery; It is equipped with a main drive motor that performs regenerative power generation when the drive shaft is braked and charges the battery, and otherwise drives the drive of the motor-driven running body. At startup, it starts with the auxiliary drive motor and then shifts to the main drive motor. Thus, the torque load at the time of starting is reduced.
  • An auxiliary drive motor is provided on a connecting shaft that has been decelerated about 10 times on the drive shaft, and the auxiliary drive motor functions as a starter motor during startup and functions as a regenerative generator during travel. .
  • the main drive motor functions as a regenerative generator during braking.
  • a plurality of capacitors are provided, and the charging mode can be switched to a discharging mode to the main drive motor and / or the auxiliary driving motor. All the capacitors are set to the charging mode at the time of charging, and one capacitor is sequentially set to the discharging mode at the time of discharging.
  • a capacitor that has been discharged and has been discharged is changed to a charge mode, and the next capacitor is controlled to be discharged in order in the discharge mode.
  • a photovoltaic power generation device is connected to the battery as an external power supply, and can be supplementarily charged.
  • the motor-driven traveling body regeneration device according to any one of claims 1 to 5 is used.
  • the main driving motor capable of driving and regenerative braking and the auxiliary motor for starting the initial high torque load, the state at the time of high load starting or general driving or no load depending on the driving state Accordingly, the drive motor or the regenerative generator can be operated as the drive wheel or the regenerative braking wheel. Then, at the time of start-up and high-load start-up running, the auxiliary drive motor is operated to smoothly shift to the main drive motor, so that driving in a highly efficient region can be realized on a flat road. Further, the auxiliary drive motor functions as a regenerative generator except when a high torque load is applied, and the main drive motor can function as a regenerative generator during traveling near no load such as on a flat road or downhill.
  • FIG. 1 It is a block diagram which shows the motor drive and regeneration apparatus of the electric vehicle of Example 1.
  • FIG. 1 It is a block diagram which shows the motor drive and regeneration apparatus of the electric vehicle of Example 1.
  • FIG. 1 is a configuration diagram of a drive system for an electric vehicle according to the present embodiment.
  • the case of rear wheel drive is illustrated and described, but it may be front wheel drive or four wheel drive.
  • reference numeral 1 is a front wheel of an electric vehicle
  • reference numeral 2 is a rear wheel
  • Reference numeral 3 denotes a main drive motor, which is connected to the rear wheel 2 via a drive motor speed reducer 4.
  • the main drive motor 3 functions as a regenerative generator during braking. Further, the drive motor speed reducer 4 decelerates about 10 times in this embodiment.
  • Reference numeral 5 denotes an auxiliary drive motor, which is connected to the rotary shaft of the drive motor speed reducer 4 via the auxiliary drive motor speed reducer 6.
  • the auxiliary drive motor 5 functions as a starter motor during start-up and functions as a regenerative generator during travel.
  • the drive power from the auxiliary drive motor 5 (and the auxiliary drive motor speed reducer 6) or the main drive motor 3 can be switched and transmitted to the rear wheels as drive power. It has become.
  • a first charge / discharge controller 7 is connected to the main drive motor 3 to control charge / discharge between the main drive motor 3 and the battery 9.
  • a second charge / discharge controller 8 is connected to the auxiliary drive motor 5 and controls charge / discharge between the auxiliary drive motor 5 and the battery 9.
  • the capacitor 9 is preferably a capacitor type in consideration of the number of times of charging / discharging.
  • Reference numeral 11 denotes a main control unit, which is a main drive motor 3, a main drive motor speed reducer 4, an auxiliary motor 5, an auxiliary motor speed reducer 6, a first charge / discharge controller 7, a second charge / discharge controller 8, and a capacitor.
  • 9 and the photovoltaic power generation panel 10 are configured to collect information on the operation status from a detection unit (not shown), process and determine, and automatically control them.
  • the plurality of chargers 9 can be switched between a charging mode and a discharging mode by switching the switch by the main control unit 11. Therefore, at the time of charging, the main control unit 11 sets all the capacitors 9 to the charging mode. At the time of discharging, the main control unit 11 sequentially discharges one of the capacitors 9 in the discharge mode, changes the capacitor 9 that has been discharged to the charging mode, and discharges the next capacitor 9 in the discharging mode. In this way, control is performed so that discharging and charging are performed sequentially.
  • the motor side charges the charger 9 when the main or auxiliary drive motors 3 and 5 function as a regenerative generator under the control of the first discharge controller 7 and the second charge controller 8 by the main control unit 11. In the case of functioning as a drive motor, the mode is switched to a mode for receiving discharge.
  • a solar power generation device 10 such as a solar panel may be separately provided as an auxiliary external power source and connected to the charger 9. For example, by installing a solar panel on the roof of the body of an electric vehicle and performing power storage in the daytime, the amount of power storage can be increased and the travel distance without charging can be extended.
  • the auxiliary control motor 5 that decelerates in response to the high torque at the time of start-up is driven by the main control unit 11 at the time of start-up or uphill.
  • the main drive motor 3 is not driven at the start of startup, and can be used in an efficient area.
  • the driving shaft (rear wheel 2) is started by the auxiliary driving motor 5
  • the driving is smoothly switched to the main driving motor 3.
  • the capacity of the main drive motor 3 can be reduced to about a half of the conventional capacity.
  • it is used in a high efficiency region during general traveling, which occupies most of the traveling, and the traveling distance can be extended.
  • the auxiliary drive motor 5 functions as a high-speed regenerative generator by the main control unit 11 except at the time of high torque such as the start-up.
  • the main drive motor 3 can efficiently recover energy by using it as a regenerative braking wheel during braking.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

[Problem] The present invention pertains to a regenerative device that reduces the starting torque load when an electric vehicle etc. starts up, and is capable of functioning as a regenerative motor when traveling. The present invention also pertains to a motor-driven traveling body that uses the regenerative device. [Solution] The regenerative device is provided with: an auxiliary drive motor that provides propulsion when there is a heavy torque load on a drive shaft when a motor-driven traveling body is starting up etc., and that generates regenerative power and charges a capacitor when there is a light load; and a main drive motor that generates regenerative power and charges the capacitor when there is a light torque load or no load on the drive shaft, and that otherwise drives the motor-driven traveling body. The regenerative device is characterized in that the torque load is reduced when starting by switching to the main drive motor after starting with the auxiliary drive motor.

Description

モータ駆動走行体用回生装置及びこれを用いたモータ駆動走行体Motor-driven traveling body regenerative device and motor-driven traveling body using the same
　この発明は、駆動用モーターを装備した電気自動車や電動車両などのモータ駆動走行体に関わり、特に電気自動車の起動時の起動トルク負荷を軽減するとともに、走行時は回生モータとして機能できるようにしたモータ駆動走行体用回生装置及びこれを用いたモータ駆動走行体に関するものである。 The present invention relates to a motor-driven traveling body such as an electric vehicle or an electric vehicle equipped with a driving motor, and particularly reduces the starting torque load when starting the electric vehicle, and can function as a regenerative motor during traveling. The present invention relates to a motor-driven traveling body regeneration device and a motor-driven traveling body using the same.
　電気自動車の起動時は、起動トルクが過大となり大電流が流れることが知られている。
　そのため容量の大きな電動機を駆動装置として備える必要がある。
　また、最近では初期の大電流を供給するためキャパシタが使用される例が増えている。
　電気自動車が通常の走行に入ると、モータ容量の６０％程度で走行することになり電動機の効率も低い部分で使用することになる。
　つまり起動時は大トルクを出力するための大電流が流れるが、そのためにキャパシタなどの準備が必要となると共に、周囲の電気系統に対する大きなリスクが発生し、また走行に入れば電動機が効率の悪い領域で駆動するのでエネルギーロスが発生するという不具合がある。
　また、電力回生システムとして、例えば特開２０１０－６８６９７では、エンジン毎に他励式発電機を接続し、インバータと接続する構成が知られているが、起動時の起動トルクに対応した電流を供給する構成とはなっていない。 It is known that when an electric vehicle is started, the starting torque becomes excessive and a large current flows.
Therefore, it is necessary to provide an electric motor with a large capacity as a drive device.
Recently, an increasing number of capacitors are used to supply an initial large current.
When an electric vehicle enters normal driving, it runs at about 60% of the motor capacity, and is used in a portion where the efficiency of the motor is low.
In other words, a large current for outputting a large torque flows at the time of starting, but this requires preparation of capacitors and the like, and a large risk to the surrounding electric system occurs. Since it is driven in a region, there is a problem that energy loss occurs.
Further, as a power regeneration system, for example, in JP 2010-68697A, a configuration in which a separately-excited generator is connected to each engine and connected to an inverter is known, but a current corresponding to the startup torque at startup is supplied. It is not configured.
特開２０１０－６８６９７公報JP 2010-68697 A
　この発明は、上記事情に鑑みて創案されたものであって、その主たる課題は、起動時などトルク負荷の大きな走行時は減速した補助駆動モータを起動用モータとして使用して初期制動し、その後に主駆動モータを駆動して円滑に移行することで、最大出力のより小さい一般走行用モータの選定と効率の高い領域での使用を可能とした。
　また起動時に用いる補助駆動モータは、起動時以外は回生モータとして電気エネルギーを回収する制動モードとなり、また主駆動モータも高速走行時あるいは下り坂などのトルク負荷が少ない場合は回生モータとして機能して、回生エネルギーを効率よく蓄電することで省エネルギーを実現することにある。 The present invention was devised in view of the above circumstances, and its main problem is that, when traveling with a large torque load such as at the time of starting, the auxiliary driving motor that has been decelerated is used as the starting motor for initial braking, and thereafter By driving the main drive motor smoothly and smoothly shifting, a general travel motor with a smaller maximum output can be selected and used in a highly efficient area.
The auxiliary drive motor used at start-up is a braking mode that collects electrical energy as a regenerative motor except during start-up, and the main drive motor also functions as a regenerative motor when traveling at high speed or when there is little torque load such as downhill. It is to realize energy saving by efficiently storing regenerative energy.
　この発明は、上記課題を解決するために、請求項１の発明では、
　電気自動車等モータなどのモータ駆動走行体用回生装置において、
　モータ駆動走行体の起動時に主駆動モータより先に駆動し駆動力をスムーズに主駆動モータに移行させると共に、低負荷時には回生発電を行い蓄電器に充電する補助駆動モータと、
　駆動軸の制動時に回生発電を行い蓄電器に充電し、それ以外はモータ駆動走行体の走行駆動を行う主駆動モータとを備えてなり
　起動時は補助駆動モータで起動してから主駆動モータに移行して起動時のトルク負荷を軽減することを特徴とする。
　請求項２の発明では、
　駆動軸に約１０倍の減速を行った連結軸に補助駆動モータを設け、該補助駆動モータが起動時は起動用のモータとして機能し、走行時は回生発電機として機能することを特徴とする。
　請求項３の発明では、
　主駆動モータが、制動時には回生発電機として機能することを特徴とする。
　請求項４の発明では、
　蓄電器が複数設けられると共に充電モードと主駆動モータ及び又は補助駆動モータへの放電モードに切り替え可能となっており、充電時には全蓄電器を充電モードとし、放電時には順番に１つの蓄電器を放電モードにして放電を行い放電が終了した蓄電器は充電モードに変更し、次の蓄電器を放電モードにして順次放電を行うように制御したことを特徴とする。
　請求項５の発明では、
　蓄電器に、外部電源として太陽光発電装置が接続されて補助的に充電しうることを特徴とする。
　請求項６のモータ駆動走行体の発明では、
　請求項１から５のモータ駆動走行体用回生装置を用いたことを特徴とする。 In order to solve the above-mentioned problems, the present invention provides
In a regenerative device for a motor-driven traveling body such as a motor such as an electric vehicle,
An auxiliary drive motor that drives before the main drive motor when starting the motor-driven traveling body and smoothly transfers the driving force to the main drive motor, regenerates power when the load is low, and charges the battery;
It is equipped with a main drive motor that performs regenerative power generation when the drive shaft is braked and charges the battery, and otherwise drives the drive of the motor-driven running body. At startup, it starts with the auxiliary drive motor and then shifts to the main drive motor. Thus, the torque load at the time of starting is reduced.
In the invention of claim 2,
An auxiliary drive motor is provided on a connecting shaft that has been decelerated about 10 times on the drive shaft, and the auxiliary drive motor functions as a starter motor during startup and functions as a regenerative generator during travel. .
In the invention of claim 3,
The main drive motor functions as a regenerative generator during braking.
In the invention of claim 4,
A plurality of capacitors are provided, and the charging mode can be switched to a discharging mode to the main drive motor and / or the auxiliary driving motor. All the capacitors are set to the charging mode at the time of charging, and one capacitor is sequentially set to the discharging mode at the time of discharging. A capacitor that has been discharged and has been discharged is changed to a charge mode, and the next capacitor is controlled to be discharged in order in the discharge mode.
In the invention of claim 5,
A photovoltaic power generation device is connected to the battery as an external power supply, and can be supplementarily charged.
In the invention of the motor driven traveling body of claim 6,
The motor-driven traveling body regeneration device according to any one of claims 1 to 5 is used.
　この発明では、駆動及び回生制動可能な主駆動用モータと、初期高トルク負荷起動用補助モータを併用することで、走行状態に応じて、高負荷起動時あるいは一般走行時、無負荷時の状態に応じて、駆動輪又は回生制動輪として駆動モータ又は回生発電機を作動させることができる。
　そして、起動および登坂走行の高負荷起動時は補助駆動モータを作動させ円滑に主駆動モータに移行することで、平坦路では効率の高い領域での駆動を実現できる。
　また、補助駆動モータは、高トルク負荷時以外では回生発電機として機能し、主駆動モータは、平坦路や降坂時など無負荷に近い走行時に回生発電機として機能させることができる。 In this invention, by using the main driving motor capable of driving and regenerative braking and the auxiliary motor for starting the initial high torque load, the state at the time of high load starting or general driving or no load depending on the driving state Accordingly, the drive motor or the regenerative generator can be operated as the drive wheel or the regenerative braking wheel.
Then, at the time of start-up and high-load start-up running, the auxiliary drive motor is operated to smoothly shift to the main drive motor, so that driving in a highly efficient region can be realized on a flat road.
Further, the auxiliary drive motor functions as a regenerative generator except when a high torque load is applied, and the main drive motor can function as a regenerative generator during traveling near no load such as on a flat road or downhill.
実施例１の電気自動車のモータ駆動及び回生装置を示すブロック図である。It is a block diagram which shows the motor drive and regeneration apparatus of the electric vehicle of Example 1. FIG.
　１　　前輪
　２　　後輪（駆動軸）
　３　　主駆動モーター
　４　　主駆動モーター用減速器
　５　　補助モーター
　６　　補助モーター用減速器
　７　　主駆動モーターの充放電用コントローラ
　８　　補助駆動モーターの充放電用コントローラ
　９　　蓄電器
１０　　太陽光発電パネル
１１　　主制御部 1 Front wheel 2 Rear wheel (drive shaft)
DESCRIPTION OF SYMBOLS 3 Main drive motor 4 Reducer for main drive motor 5 Auxiliary motor 6 Reducer for auxiliary motor 7 Charge / discharge controller for main drive motor 8 Charge / discharge controller for auxiliary drive motor 9 Capacitor 10 Photovoltaic panel 11 Main controller
　以下に、この発明のモータ駆動走行体用回生装置及びこれを用いたモータ駆動走行体を電気自動車に適用した好適実施例について図面を参照しながら説明する。 Hereinafter, a preferred embodiment in which a motor-driven traveling body regenerative device of the present invention and a motor-driven traveling body using the same are applied to an electric vehicle will be described with reference to the drawings.
　図１は、本実施例の電気自動車の駆動システムの構成図である。
　本実施例の電気自動車では後輪駆動の場合を図示して説明するが、前輪駆動であっても、あるいは四輪駆動であってもよい。 FIG. 1 is a configuration diagram of a drive system for an electric vehicle according to the present embodiment.
In the electric vehicle of the present embodiment, the case of rear wheel drive is illustrated and described, but it may be front wheel drive or four wheel drive.
　図１において、符号１は電気自動車の前輪、符号２はその後輪である。
　符号３は主駆動モータであり、駆動モータ用減速機４を介して前記後輪２と接続されている。
　上記主駆動モータ３は、制動時には回生用発電機として機能するようになっている。
　また、駆動モータ用減速機４は、本実施例では約１０倍程度の減速を行う。 In FIG. 1, reference numeral 1 is a front wheel of an electric vehicle, and reference numeral 2 is a rear wheel.
Reference numeral 3 denotes a main drive motor, which is connected to the rear wheel 2 via a drive motor speed reducer 4.
The main drive motor 3 functions as a regenerative generator during braking.
Further, the drive motor speed reducer 4 decelerates about 10 times in this embodiment.
　符号５は補助駆動モータであり、補助駆動モータ用減速機６を介して前記駆動モータ用減速機４の回転軸と接続されている。
　上記補助駆動モータ５は、起動時は起動用モータとして機能し、走行時は回生用発電機として機能するようになっている。 Reference numeral 5 denotes an auxiliary drive motor, which is connected to the rotary shaft of the drive motor speed reducer 4 via the auxiliary drive motor speed reducer 6.
The auxiliary drive motor 5 functions as a starter motor during start-up and functions as a regenerative generator during travel.
　そして、前記駆動モータ用減速機４では、前記補助駆動モータ５（及び補助駆動モータ用減速機６）又は前記主駆動モータ３からの駆動力を切り替えて後輪に駆動力として伝達しうる構成となっている。 In the drive motor speed reducer 4, the drive power from the auxiliary drive motor 5 (and the auxiliary drive motor speed reducer 6) or the main drive motor 3 can be switched and transmitted to the rear wheels as drive power. It has become.
　主駆動モータ３には第１充放電用コントローラ７が接続されており、主駆動モータ３と蓄電器９との間での充放電をコントロールする。
　同様に、補助駆動モータ５には第２充放電用コントローラ８が接続されており、補助駆動モータ５と蓄電器９との間での充放電をコントロールする。
　前記蓄電器９は、充放電の回数等考慮して、キャパシタ式が望ましい。 A first charge / discharge controller 7 is connected to the main drive motor 3 to control charge / discharge between the main drive motor 3 and the battery 9.
Similarly, a second charge / discharge controller 8 is connected to the auxiliary drive motor 5 and controls charge / discharge between the auxiliary drive motor 5 and the battery 9.
The capacitor 9 is preferably a capacitor type in consideration of the number of times of charging / discharging.
　符号１１は主制御部であり、主駆動モータ３、主駆動モータ用減速器４、補助モータ５、補助モータ用減速器６、第１充放電用コントローラ７、第２充放電用コントローラ８、蓄電器９、および太陽光発電パネル１０と接続されて、図示しない検出部から作動状況の情報を収集し、処理、判定してこれらを自動制御しうる構成となっている。 Reference numeral 11 denotes a main control unit, which is a main drive motor 3, a main drive motor speed reducer 4, an auxiliary motor 5, an auxiliary motor speed reducer 6, a first charge / discharge controller 7, a second charge / discharge controller 8, and a capacitor. 9 and the photovoltaic power generation panel 10 are configured to collect information on the operation status from a detection unit (not shown), process and determine, and automatically control them.
　また、複数の充電器９は、前記主制御部１１によるスイッチの切り替えで、充電モードと、放電モードに切り替え可能となっている。
　そこで、充電時には、主制御部１１は全蓄電器９を充電モードとする。
　放電時には、主制御部１１は、順番に１つの蓄電器９を放電モードにして放電を行い、放電が終了した蓄電器９は充電モードに変更し、次の蓄電器９を放電モードにして放電を行う。このように順次、放電と充電を行うように制御する。 The plurality of chargers 9 can be switched between a charging mode and a discharging mode by switching the switch by the main control unit 11.
Therefore, at the time of charging, the main control unit 11 sets all the capacitors 9 to the charging mode.
At the time of discharging, the main control unit 11 sequentially discharges one of the capacitors 9 in the discharge mode, changes the capacitor 9 that has been discharged to the charging mode, and discharges the next capacitor 9 in the discharging mode. In this way, control is performed so that discharging and charging are performed sequentially.
　モータ側は、前記主制御部１１による第１放充電コントローラ７及び第２充電コントローラ８の制御で、主又は補助駆動モータ３、５が回生発電機として機能している場合は充電器９へ充電するモードとなり、駆動モータとして機能している場合は放電を受け入れるモードに切り替わるようになっている。 The motor side charges the charger 9 when the main or auxiliary drive motors 3 and 5 function as a regenerative generator under the control of the first discharge controller 7 and the second charge controller 8 by the main control unit 11. In the case of functioning as a drive motor, the mode is switched to a mode for receiving discharge.
　また、補助外部電源として、太陽光パネルなどの太陽光発電装置１０を別に設けて、前記充電器９と接続してもよい。
　例えば　太陽光パネルを電気自動車の車体の屋根に設置し、昼間の蓄電を行うことにより蓄電量を増加し、無充電での走行距離を伸ばすことができる。 Further, a solar power generation device 10 such as a solar panel may be separately provided as an auxiliary external power source and connected to the charger 9.
For example, by installing a solar panel on the roof of the body of an electric vehicle and performing power storage in the daytime, the amount of power storage can be increased and the travel distance without charging can be extended.
　本実施例では、起動時又は登坂路時には、前記主制御部１１により、起動時の高トルクに対応して減速する補助駆動モータ５を駆動する。
　これにより、主駆動用モータ３は起動開始時には駆動しないので、効率のよい領域で使用することができる。 In this embodiment, the auxiliary control motor 5 that decelerates in response to the high torque at the time of start-up is driven by the main control unit 11 at the time of start-up or uphill.
As a result, the main drive motor 3 is not driven at the start of startup, and can be used in an efficient area.
　上記補助駆動モータ５による駆動軸（後輪２）の起動後に、スムーズに主駆動モータ３による駆動に切り替わる。
　主駆動用モータ３の容量を従来の約２分の１にすることができる。
　また、走行の大半を占める一般走行時において高い効率領域で使用することになり、走行距離を伸ばすことができる。 After the driving shaft (rear wheel 2) is started by the auxiliary driving motor 5, the driving is smoothly switched to the main driving motor 3.
The capacity of the main drive motor 3 can be reduced to about a half of the conventional capacity.
In addition, it is used in a high efficiency region during general traveling, which occupies most of the traveling, and the traveling distance can be extended.
　前記補助駆動モータ５は、前記主制御部１１により、前記起動時等の高トルク時以外は、高回転の回生発電機として機能する。
　また、主駆動モータ３は、制動時には回生制動輪として利用することにより、エネルギーを効率的に回収することができる。 The auxiliary drive motor 5 functions as a high-speed regenerative generator by the main control unit 11 except at the time of high torque such as the start-up.
The main drive motor 3 can efficiently recover energy by using it as a regenerative braking wheel during braking.
　上記実施例では電気自動車を例に説明したが、この発明では、電車やその他のモータ駆動走行体に広く適用することができる。
　その他、要するにこの発明の要旨を変更しない範囲で種々設計変更しうること勿論である。 Although the electric vehicle has been described as an example in the above embodiment, the present invention can be widely applied to trains and other motor-driven traveling bodies.
In addition, it goes without saying that various design changes can be made without departing from the scope of the present invention.

Claims (6)

  1. 　電気自動車等モーターなどのモーター駆動走行体用回生装置において、
    　モーター駆動走行体の起動時に主駆動モーターより先に駆動し駆動力をスムーズに主駆動モーターに移行させると共に、低負荷時には回生発電を行い蓄電器に充電する補助駆動モーターと、
    　駆動軸の制動時に回生発電を行い蓄電器に充電し、それ以外はモーター駆動走行体の走行駆動を行う主駆動モーターとを備えてなり
    　起動時は補助駆動モーターで起動してから主駆動モーターに移行して起動時のトルク負荷を軽減することを特徴とするモーター駆動走行体用回生装置。     In regenerative devices for motor-driven traveling bodies such as motors for electric vehicles,
    Auxiliary drive motor that drives prior to the main drive motor when starting the motor-driven traveling body and smoothly transfers the driving force to the main drive motor, regenerates power during low loads, and charges the battery,
    It is equipped with a main drive motor that performs regenerative power generation when the drive shaft is braked and charges the battery, and otherwise drives the drive of the motor-driven running body. A motor-driven traveling body regenerative device characterized by reducing torque load at startup.
  2. 　駆動軸に約１０倍の減速を行った連結軸に補助駆動モーターを設け、該補助駆動モーターが起動時は起動用のモーターとして機能し、走行時は回生発電機として機能することを特徴とする請求項１に記載のモーター駆動走行体用回生装置。 An auxiliary drive motor is provided on a connecting shaft that has been decelerated about 10 times on the drive shaft, and the auxiliary drive motor functions as a starter motor when starting, and functions as a regenerative generator when traveling. The motor-driven traveling body regenerative device according to claim 1.
  3. 　主駆動モーターが、制動時には回生発電機として機能することを特徴とする請求項１又は２に記載のモーター駆動走行体用回生装置。 The motor-driven traveling body regenerative device according to claim 1, wherein the main drive motor functions as a regenerative generator during braking.
  4. 　蓄電器が複数設けられると共に充電モードと主駆動モーター及び又は補助駆動モーターへの放電モードに切り替え可能となっており、充電時には全蓄電器を充電モードとし、放電時には順番に１つの蓄電器を放電モードにして放電を行い放電が終了した蓄電器は充電モードに変更し、次の蓄電器を放電モードにして順次放電を行うように制御したことを特徴とするモーター駆動走行体用回生装置。 It is possible to switch between charge mode and discharge mode to the main drive motor and / or auxiliary drive motor with multiple capacitors, and set all capacitors to charge mode when charging, and sequentially set one capacitor to discharge mode when discharging A regenerative apparatus for a motor-driven traveling body, wherein a storage device that has been discharged and has been discharged is changed to a charging mode, and the next storage device is controlled to discharge sequentially.
  5. 　蓄電器に、外部電源として太陽光発電装置が接続されて補助的に充電しうることを特徴とするモーター駆動走行体用回生装置。 A regenerative device for a motor-driven traveling body, wherein a photovoltaic power generation device is connected as an external power source to a capacitor and can be charged supplementarily.
  6. 　請求項１から５のモーター駆動走行体用回生装置を用いたモーター駆動走行体。 A motor-driven traveling body using the motor-driven traveling body regeneration device according to claim 1.
PCT/JP2011/060491 2010-09-13 2011-04-28 Regenerative device for motor-driven traveling body, and motor-driven traveling body using same WO2012035817A1 (en)

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