FR2830215A1 - Device for cooling drive unit, uses fan fitted on motor shaft to cool power electronics control module mounted beyond end of motor shaft - Google Patents

Device for cooling drive unit, uses fan fitted on motor shaft to cool power electronics control module mounted beyond end of motor shaft Download PDF

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Publication number
FR2830215A1
FR2830215A1 FR0212113A FR0212113A FR2830215A1 FR 2830215 A1 FR2830215 A1 FR 2830215A1 FR 0212113 A FR0212113 A FR 0212113A FR 0212113 A FR0212113 A FR 0212113A FR 2830215 A1 FR2830215 A1 FR 2830215A1
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FR
France
Prior art keywords
power electronics
drive motor
drive unit
fan
motor shaft
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
Application number
FR0212113A
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French (fr)
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FR2830215B1 (en
Inventor
Dominique Fortin
Cyril Bimont
Jean Pierre Alegre
David Garcia
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Still and Saxby SARL
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Still and Saxby SARL
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Publication of FR2830215A1 publication Critical patent/FR2830215A1/en
Application granted granted Critical
Publication of FR2830215B1 publication Critical patent/FR2830215B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • 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
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/06—Arrangement in connection with cooling of propulsion units with air cooling
    • 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
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
    • 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
    • B60L1/00—Supplying electric power to auxiliary equipment of vehicles
    • B60L1/003—Supplying electric power to auxiliary equipment of vehicles to auxiliary motors, e.g. for pumps, compressors
    • 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
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0061—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electrical machines
    • 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
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0084—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to control modules
    • 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/52—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by DC-motors
    • 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
    • B60L7/24—Electrodynamic brake systems for vehicles in general with additional mechanical or electromagnetic braking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/07572—Propulsion arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/07595—Cooling arrangements for device or operator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/33—Drive circuits, e.g. power electronics
    • 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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/043—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
    • 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
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K2007/0046—Disposition of motor in, or adjacent to, traction wheel the motor moving together with the vehicle body, i.e. moving independently from the wheel axle
    • 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
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K2007/0069—Disposition of motor in, or adjacent to, traction wheel the motor axle being perpendicular to the wheel axle
    • B60K2007/0084—Disposition of motor in, or adjacent to, traction wheel the motor axle being perpendicular to the wheel axle the motor axle being vertical
    • 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
    • B60L2200/40—Working vehicles
    • B60L2200/44—Industrial trucks or floor conveyors
    • 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
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/40—Electrical machine applications
    • B60L2220/46—Wheel motors, i.e. motor connected to only one wheel
    • 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
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/50—Structural details of electrical machines
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/10—Vehicle control parameters
    • B60L2240/36—Temperature of vehicle components or parts
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/42—Drive Train control parameters related to electric machines
    • B60L2240/421—Speed
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/42—Drive Train control parameters related to electric machines
    • B60L2240/425—Temperature
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/52—Drive Train control parameters related to converters
    • B60L2240/525—Temperature of converter or components thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/102—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
    • H02K7/1021—Magnetically influenced friction brakes
    • H02K7/1023—Magnetically influenced friction brakes using electromagnets
    • H02K7/1025—Magnetically influenced friction brakes using electromagnets using axial electromagnets with generally annular air gap
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/60—Electric or hybrid propulsion means for production processes
    • 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
    • Y02T10/64—Electric machine technologies 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
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • 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

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Geology (AREA)
  • Civil Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

The transporter has a power electronics controller (1) for the drive motor (2) which is connected through a fixed transmission (3) to a driving wheel (4). A fan (5) is linked to the drive motor rotor (8), and delivers a stream of cooling air over the power electronics unit, which is mounted on the outer end of the drive motor.

Description

<Desc/Clms Page number 1> <Desc / Clms Page number 1>

La présente invention concerne une unité motrice pour un chariot transporteur comportant une électronique de puissance et un moteur électrique reliés par une transmission à démultiplication fixe à une roue motrice directrice.  The present invention relates to a drive unit for a transport trolley comprising power electronics and an electric motor connected by a fixed-gear transmission to a driving drive wheel.

Les chariots transporteurs sont en général équipés d'un moteur électrique assurant l'entraînement d'une roue motrice par l'intermédiaire d'une unité de transmission. L'alimentation électrique du moteur est en général assurée par une électronique de puissance. Lorsque le véhicule fonctionne, l'électronique de puissance chauffe souvent de manière importante. C'est pourquoi elle est fréquemment équipée d'un dispositif de refroidissement et pour cela on connaît des dispositifs refroidis par de l'air et par de l'eau. Cela permet d'éviter la surchauffe de l'électronique de puissance. Dans le cas de dispositifs refroidis par de l'air, l'électronique de puissance est en général reliée à un radiateur alimenté en air par convection soit libre, soit forcée. La convection forcée est en général assurée par une veine d'air de refroidissement créée par un ventilateur.  Transport trolleys are generally equipped with an electric motor ensuring the driving of a driving wheel by means of a transmission unit. The power supply to the motor is generally provided by power electronics. When the vehicle is running, the power electronics often heat up significantly. This is why it is frequently equipped with a cooling device and for this purpose devices are known which are cooled by air and by water. This prevents overheating of the power electronics. In the case of devices cooled by air, the power electronics are generally connected to a radiator supplied with air by convection, either free or forced. Forced convection is generally provided by a cooling air stream created by a fan.

Les dispositifs de refroidissement connus comportent un ventilateur et un radiateur alimentés en air par convection forcée par le ventilateur. Il faut en outre un dispositif pour entraîner en rotation le ventilateur, par exemple un moteur électrique. Globalement, la structure des dispositifs de refroidissement selon l'état de la technique est relativement compliquée et de ce fait coûteuse.  Known cooling devices include a fan and a radiator supplied with air by forced convection by the fan. A device is also required to drive the fan in rotation, for example an electric motor. Overall, the structure of the cooling devices according to the state of the art is relatively complicated and therefore expensive.

La présente invention a pour but de développer une unité d'entraînement ou unité motrice du type défini ci-dessus, permettant d'assurer le refroidissement de l'électronique de puissance avec des moyens réduits.  The object of the present invention is to develop a drive unit or motor unit of the type defined above, making it possible to ensure the cooling of the power electronics with reduced means.

A cet effet, l'invention concerne une unité motrice du type défini ci-dessus, caractérisée en ce que un ventilateur est relié au rotor du moteur d'entraînement, et l'électronique de puissance est installée au niveau du moteur d'entraînement de façon à être refroidie par la veine d'air générée par le ventilateur.  To this end, the invention relates to a power unit of the type defined above, characterized in that a fan is connected to the rotor of the drive motor, and the power electronics are installed at the level of the drive motor. so as to be cooled by the air flow generated by the fan.

La rotation du rotor du moteur crée, par sa liaison avec le ventilateur, la rotation de celui-ci, et ainsi une veine d'air forcée. La veine d'air est assurée à tout moment pendant le fonctionnement du moteur d'entraînement.  The rotation of the motor rotor creates, by its connection with the fan, the rotation of the latter, and thus a forced air stream. The air flow is ensured at all times during the operation of the drive motor.

Suivant une autre caractéristique avantageuse du dispositif ci-dessus, en cas de forte charge du moteur d'entraînement et de la forte élévation de température de l'électronique de puissance qui en résulte, du  According to another advantageous characteristic of the above device, in the event of a high load on the drive motor and the high temperature rise of the power electronics which results therefrom,

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fait de la vitesse de rotation particulièrement élevée du moteur, le ventilateur travaille également à une vitesse plus élevée et renforce ainsi l'alimentation en air assurant un refroidissement rapide de l'électronique de puissance particulièrement sollicitée.  Due to the particularly high speed of rotation of the motor, the fan also works at a higher speed and thus reinforces the air supply ensuring rapid cooling of the particularly stressed power electronics.

L'électronique de puissance est prévue pour l'alimentation électrique du moteur d'entraînement.  The power electronics are intended for the power supply of the drive motor.

Il est avantageux que le ventilateur soit fixé à un arbre du rotor du moteur d'entraînement. Ce montage entraîne le ventilateur lorsque le moteur d'entraînement tourne, d'une manière automatique, et la rotation du ventilateur crée une veine d'air pour refroidir l'électronique de puissance.  It is advantageous if the fan is fixed to a shaft of the rotor of the drive motor. This arrangement drives the fan when the drive motor rotates automatically, and the rotation of the fan creates an air stream to cool the power electronics.

De façon avantageuse, le ventilateur est fixé à l'aide d'une vis du côté frontal dans l'arbre. Cette fixation fait que le ventilateur est relié solidairement en rotation à l'arbre du rotor et ne peut se déplacer par rapport à l'arbre mais tourne en commun avec celui-ci.  Advantageously, the fan is fixed with a screw on the front side in the shaft. This fixing means that the fan is integrally connected in rotation to the rotor shaft and cannot move relative to the shaft but rotates in common with the latter.

Il est également avantageux que la vis tienne au moins une pièce d'un frein du moteur d'entraînement. La vis assure ainsi en même temps plusieurs fonctions de fixation et participe à l'économie d'éléments de fixation.  It is also advantageous for the screw to hold at least one part of a brake of the drive motor. The screw thus ensures at the same time several fixing functions and contributes to the economy of fixing elements.

Pour assurer que l'électronique de puissance, le moteur d'entraînement et le ventilateur se trouvent à tout moment dans la même position relative, l'électronique de puissance est reliée rigidement au moteur. Ainsi, indépendamment de la position de l'unité d'entraînement, on aura le même effet de refroidissement.  To ensure that the power electronics, the drive motor and the fan are in the same relative position at all times, the power electronics are rigidly connected to the motor. Thus, regardless of the position of the drive unit, there will be the same cooling effect.

Selon un développement intéressant de l'invention, l'électronique de puissance est installée à la verticale au-dessus du moteur d'entraînement. Cela garantit que l'électronique de puissance puisse être refroidie normalement dans la zone de circulation de la veine d'air générée par le ventilateur.  According to an interesting development of the invention, the power electronics are installed vertically above the drive motor. This ensures that the power electronics can be cooled normally in the circulation area of the air stream generated by the fan.

La présente invention sera décrite ci-après de manière plus détaillée à l'aide d'un exemple de réalisation représenté schématiquement dans l'unique figure annexée.  The present invention will be described below in more detail with the aid of an embodiment shown schematically in the single appended figure.

La figure montre en coupe une unité d'entraînement selon l'invention.  The figure shows in section a drive unit according to the invention.

Selon la figure, une électronique de puissance 1, alimentant en énergie électrique un moteur d'entraînement 2, est installée à la verticale au-dessus du moteur d'entraînement 2. Le moteur d'entraînement 2 est relié à une transmission à rapport fixe 3 elle-même reliée à une roue  According to the figure, power electronics 1, supplying electric power to a drive motor 2, is installed vertically above the drive motor 2. The drive motor 2 is connected to a fixed ratio transmission 3 itself connected to a wheel

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motrice 4 s'appuyant sur la voie de circulation. La force fournie par le moteur d'entraînement 2 est transmise par la transmission 3 à la roue motrice 4. Les liaisons entre le moteur d'entraînement 2 et la roue motrice 4 ainsi que l'électronique de puissance 4 et le moteur d'entraînement 2 sont réalisées de manière rigide en rotation de sorte que toutes les pièces tournent en commun.  4 driving on the taxiway. The force supplied by the drive motor 2 is transmitted by the transmission 3 to the drive wheel 4. The connections between the drive motor 2 and the drive wheel 4 as well as the power electronics 4 and the drive motor 2 are made rigidly in rotation so that all the parts rotate in common.

A l'intérieur du moteur, suivant l'axe géométrique, se trouve un rotor 8 avec un arbre d'entraînement. De façon annulaire autour de l'arbre d'entraînement on a une unité de frein 7. Une vis 6 fixe un ventilateur 5 à l'arbre du rotor 8 ; la vis 6 fixe en outre une pièce du frein 7. La vis 6 assure ainsi une double fonction comme élément de fixation pour une pièce de l'unité de frein 7 et le ventilateur 5. Les deux pièces sont ainsi bloquées en rotation par rapport au rotor 8 du moteur d'entraînement 2.  Inside the motor, along the geometric axis, is a rotor 8 with a drive shaft. Annularly around the drive shaft there is a brake unit 7. A screw 6 fixes a fan 5 to the rotor shaft 8; the screw 6 also fixes a part of the brake 7. The screw 6 thus performs a double function as a fixing element for a part of the brake unit 7 and the fan 5. The two parts are thus locked in rotation relative to the rotor 8 of the drive motor 2.

Lorsque le moteur d'entraînement 2 tourne, du fait de la liaison rigide ou solidaire en rotation, le ventilateur 5 tourne également et génère ainsi une veine d'air. La disposition de l'électronique de puissance 1, à la verticale au-dessus du moteur d'entraînement 2 et du ventilateur 5 garantit que l'électronique de puissance 1 se trouve toujours dans le canal d'air du ventilateur 5 et soit ainsi refroidie. Lorsque le moteur d'entraînement 2 tourne à une vitesse de rotation particulièrement élevée, l'électronique de puissance 1 étant alors plus fortement sollicitée, la vitesse de rotation du ventilateur 5 sera d'autant plus élevée et le ventilateur 5 pourra générer une veine d'air plus puissante. Ainsi, l'unité d'entraînement selon l'invention permet d'assurer automatiquement un effet de refroidissement de puissance adapté à la charge appliquée à l'électronique de puissance 1.  When the drive motor 2 rotates, due to the rigid or integral connection in rotation, the fan 5 also rotates and thus generates an air stream. The arrangement of the power electronics 1, vertically above the drive motor 2 and the fan 5 ensures that the power electronics 1 is always in the air channel of the fan 5 and is thus cooled . When the drive motor 2 rotates at a particularly high speed of rotation, the power electronics 1 being then more strongly requested, the speed of rotation of the fan 5 will be all the higher and the fan 5 will be able to generate a vein looks more powerful. Thus, the drive unit according to the invention automatically ensures a power cooling effect adapted to the load applied to the power electronics 1.

Ainsi, avec des moyens simples et une mise en oeuvre réduite, la réalisation selon l'invention de l'unité d'entraînement aboutit à une forme très avantageuse de refroidissement de l'électronique de puissance 1. De plus, l'effet de refroidissement est également adapté au degré d'élévation de température de l'électronique de puissance 1. Thus, with simple means and a reduced implementation, the realization according to the invention of the drive unit results in a very advantageous form of cooling of the power electronics 1. In addition, the cooling effect is also adapted to the degree of temperature rise of the power electronics 1.

Claims (1)

REVENDICATIONS 1 ) Unité d'entraînement pour un chariot transporteur comportant une électronique de puissance (1) et un moteur d'entraînement électrique (2) reliés par une transmission fixe (3) à une roue motrice directrice (4), caractérisée en ce qu' un ventilateur (5) est relié au rotor (8) du moteur d'entraînement (2), et l'électronique de puissance (1) est installée au niveau du moteur d'entraînement (2) de façon à être refroidie par la veine d'air générée par le ventilateur (5).  CLAIMS 1) Drive unit for a transport carriage comprising power electronics (1) and an electric drive motor (2) connected by a fixed transmission (3) to a driving drive wheel (4), characterized in that a fan (5) is connected to the rotor (8) of the drive motor (2), and the power electronics (1) are installed at the level of the drive motor (2) so as to be cooled by the air flow generated by the fan (5). 2 ) Unité d'entraînement selon la revendication 1, caractérisée en ce que l'électronique de puissance (1) assure l'alimentation en énergie électrique du moteur d'entraînement (2).  2) Drive unit according to claim 1, characterized in that the power electronics (1) provides the electrical energy supply to the drive motor (2). 3 ) Unité d'entraînement selon l'une quelconque des revendications 1 ou 2, caractérisée en ce que le ventilateur (5) est fixé à l'arbre du rotor (8) du moteur d'entraînement (2).  3) Drive unit according to any one of claims 1 or 2, characterized in that the fan (5) is fixed to the rotor shaft (8) of the drive motor (2). 4 ) Unité d'entraînement selon la revendication 3, caractérisée en ce que le ventilateur (5) est vissé à l'aide d'une vis (6) frontalement contre l'arbre.  4) Drive unit according to claim 3, characterized in that the fan (5) is screwed using a screw (6) frontally against the shaft. 5 ) Unité d'entraînement selon la revendication 4, caractérisée en ce que la vis (6) tient au moins une pièce d'un frein (7) du moteur d'entraînement (2).  5) Drive unit according to claim 4, characterized in that the screw (6) holds at least one part of a brake (7) of the drive motor (2). 6 ) Unité d'entraînement selon l'une quelconque des revendications 1 à 5, caractérisée en ce que l'électronique de puissance (1) est reliée solidairement en rotation au moteur d'entraînement (2).  6) Drive unit according to any one of claims 1 to 5, characterized in that the power electronics (1) is integrally connected in rotation to the drive motor (2). 7 ) Unité d'entraînement selon l'une quelconque des revendications 1 à 6, caractérisée en ce que  7) drive unit according to any one of claims 1 to 6, characterized in that <Desc/Clms Page number 5><Desc / Clms Page number 5> l'électronique de puissance (1) est installée à la verticale au-dessus du moteur d'entraînement (2). the power electronics (1) are installed vertically above the drive motor (2).
FR0212113A 2001-10-01 2002-10-01 COOLING DEVICE FOR A MOTOR UNIT Expired - Fee Related FR2830215B1 (en)

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DE10148457A DE10148457A1 (en) 2001-10-01 2001-10-01 Cooling arrangement for a drive unit

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WO2005043720A1 (en) * 2003-10-30 2005-05-12 Cmg Technology Pty Ltd Variable speed electric motors
AU2004307193B2 (en) * 2003-10-30 2009-03-12 Regal Beloit Australia Pty Ltd Variable speed electric motors
CN109774442A (en) * 2018-12-07 2019-05-21 南京越博动力系统股份有限公司 A kind of electric control and the integrated pure electric power assembly system of bridge case

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DE202005020633U1 (en) 2005-04-15 2006-10-26 Zf Friedrichshafen Ag Drive for ground conveyor, has electronic control arranged parallel to rotational axis of shaft at or in housing of motor, where drive motor is horizontally arranged in gear housing
DE102005058400A1 (en) * 2005-11-30 2007-05-31 Jungheinrich Ag Driving and steering system for wheel of industrial truck, has electronic control unit, which consists of printed circuit board, arranged coaxially between traction motor and steering motor or steering motor and steering gear
DE102014009311A1 (en) * 2014-06-27 2015-12-31 Sew-Eurodrive Gmbh & Co Kg drive
DE102014009312A1 (en) * 2014-06-27 2015-12-31 Sew-Eurodrive Gmbh & Co Kg drive

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US4331209A (en) * 1980-02-29 1982-05-25 Clark Equipment Company Ventilation system for electric vehicles
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US1899741A (en) * 1929-05-24 1933-02-28 Westinghouse Electric & Mfg Co Dynamo-electric machine
US4331209A (en) * 1980-02-29 1982-05-25 Clark Equipment Company Ventilation system for electric vehicles
US4668898A (en) * 1986-04-21 1987-05-26 General Electric Company Electronically commutated motor
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EP0968865A1 (en) * 1998-07-03 2000-01-05 Renault Arrangement of an electrical drive unit

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005043720A1 (en) * 2003-10-30 2005-05-12 Cmg Technology Pty Ltd Variable speed electric motors
AU2004307193B2 (en) * 2003-10-30 2009-03-12 Regal Beloit Australia Pty Ltd Variable speed electric motors
CN109774442A (en) * 2018-12-07 2019-05-21 南京越博动力系统股份有限公司 A kind of electric control and the integrated pure electric power assembly system of bridge case

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FR2830215B1 (en) 2005-08-05
DE10148457A1 (en) 2003-04-17

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