WO2017108735A1 - Système électronique d'entraînement pour un entraînement électrique dans un véhicule - Google Patents

Système électronique d'entraînement pour un entraînement électrique dans un véhicule Download PDF

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Publication number
WO2017108735A1
WO2017108735A1 PCT/EP2016/081835 EP2016081835W WO2017108735A1 WO 2017108735 A1 WO2017108735 A1 WO 2017108735A1 EP 2016081835 W EP2016081835 W EP 2016081835W WO 2017108735 A1 WO2017108735 A1 WO 2017108735A1
Authority
WO
WIPO (PCT)
Prior art keywords
drive
capacitor
drive electronics
electronics
heat sink
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.)
Ceased
Application number
PCT/EP2016/081835
Other languages
German (de)
English (en)
Inventor
Thomas Malich
Roland Krieg
Heiko Buss
Frank Fischer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of WO2017108735A1 publication Critical patent/WO2017108735A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • 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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
    • B60L53/22—Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
    • H01G2/08—Cooling arrangements; Heating arrangements; Ventilating arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
    • H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • H02M1/327—Means for protecting converters other than automatic disconnection against abnormal temperatures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
    • H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
    • H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
    • H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/537—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • H02M7/5387—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
    • 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
    • Y02T10/7072—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
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Definitions

  • the invention relates to a drive electronics for an electric drive, in particular a drive of a cooling fan or a pump in a motor vehicle.
  • Drive electronics for electric drives are already known. It is also known that the drive electronics a capacitor and a
  • Drive electronics smaller footprint with an at least has the same power range.
  • a drive electronics according to the invention replaced with a smaller footprint a known drive electronics.
  • the production of the drive electronics is simplified.
  • the capacitor is a polymer electrolytic capacitor.
  • Polymer electrolytic capacitors have a significantly lower space requirement with the same internal resistance compared to other capacitors. It is advantageous that a smaller space requirement is achieved with the same internal resistance.
  • the capacitor is a hybrid polymer electrolytic capacitor.
  • Hybrid polymer electrolytic capacitors have the same
  • Drive electronics is at least partially arranged. As a result, no separate components that form a heat sink needed. Also, the housing provides a large surface area that can be used to dissipate the power dissipation of the capacitor. Furthermore, a simplified assembly, given by the smaller number of components.
  • material with high heat conductivity is arranged between the heat sink and the capacitor.
  • the material with high thermal conductivity is thermal interface material. The material with high thermal conductivity, allows for easy Bridging a gap between the capacitor and the heat sink.
  • the drive drive circuit has at least one electrical switch for driving the electric drive.
  • the electrical switch By means of the electrical switch, at least one coil is actuated offset in time in order to produce a rotating field which causes a torque on a permanently excited rotor of the drive.
  • Figure 1 is a highly simplified circuit diagram of the drive electronics
  • Figure 2 is a sectional view through a capacitor of an inventive
  • FIG. 3 shows a further sectional view through a capacitor of FIG
  • Drive electronics 1 has a capacitor 10 and a
  • Drive drive circuit 15 are connected in parallel to each other electrically.
  • the drive drive circuit 15 is connected to an electric drive 20.
  • the electric drive 20 is brushless
  • the brushless DC motor has a rotor with permanent magnets and a stator with coils 22a, 22b, 22c. The rotor is not shown.
  • the coils 22a, 22b, 22c are of the
  • Driven drive circuit 15 actuated offset in time to create a rotating field, which generates a torque on the rotor.
  • the drive 20 has three phases, each phase having at least one coil.
  • the drive 20 may also be designed as a single-phase, two-phase or multi-phase system.
  • Figure 1 is an example of a
  • the B6 bridge comprises at least six electrical switches 17, wherein always two electrical switches 17 are connected in series with each other.
  • the two electrical switches connected in series with each other are connected in parallel with other electrical circuits connected in series with each other.
  • Each electrical switch pair is associated with one phase of the drive 20, or electrically with this
  • the coils 22 of the drive 20 are interconnected triangularly.
  • the drive electronics 1 also has at least two terminals 3a, 3b.
  • the terminals 3a, 3b allow the production of an electrical connection with a power source 30.
  • the energy source 30 is designed here as a battery.
  • the battery when used in a motor vehicle on a DC voltage of 12V, 24V or 48V.
  • the capacitor 10 and the power source 30 are electrically connected in parallel. Further, the power source 30 is electrically connected in parallel to the drive drive circuit 15.
  • the drive drive circuit 15, together with the coils 22 of the drive 20, converts the AC or DC voltage provided by the energy source 30, in particular DC voltage in a battery in a motor vehicle, into a substantially sinusoidal voltage waveform.
  • the electric drive 20 with three phases are of the Drive control circuit 15 generates three sinusoidal voltage waveforms that have a phase shift to each other.
  • the phase shift is 120 °.
  • the electrical control of the electrical switch 17 of the drive drive circuit 15 by means of at least one
  • each switch 17 is driven with a pulse width modulated drive signal. Due to the pulse width modulated control, the speed and the
  • the coils 22 of the drive 20 are inductors. Depends on the
  • the coils 22 receive power or supply power.
  • the capacitor 10 forms a buffer element which receives positive currents which are output from the coils 22 when switching, and outputs currents received by the coils 22.
  • the capacitor 10 thus prevents the positive and negative current fluctuations in the
  • Energy source 30 arrive and this may adversely affect. Furthermore, the buffering of the currents prevents excessive loading of the components of the drive electronics 1.
  • the capacitor 10 has an internal resistance.
  • the internal resistance leads to a power flow to generate a power loss.
  • the internal resistance should therefore be as small as possible.
  • Previous used in drive electronics wired capacitors, in particular electrolytic capacitors have an internal resistance of 20 milliohms and a diameter of 18 mm at 25 mm in height. At this size, the resulting
  • a drive control 1 according to the invention with a capacitor 10 as SMD (surface-mount device) component allows a reduction in the space required by the capacitors 10 on the drive electronics 1.
  • the capacitor 10 according to the invention has an SMD design.
  • An electrical and mechanical connection is made by means of solderable
  • capacitors 10 which have an SMD design, leads to a reduction in the space requirement on the
  • Polymer electrolytic capacitors include a solid electrolyte of a solid highly conductive polymer.
  • Polymer electrolytic capacitors have, for example, a cylindrical shape with a diameter of 10 mm and a length of 10 mm and a
  • Hybrid polymer electrolytic capacitors include a solid polymer electrolyte as well as a liquid Electrolyte. It is advantageous that hybrid polymer electrolytic capacitors have a low ESR value and low residual currents, as well as
  • the capacitor 10 and a cuboid Insensitivity to transients. According to a development, the capacitor 10 and a cuboid
  • the capacitors 10 are thermally with a
  • Heat sink 40 connected.
  • the heat sink 40 is preferably formed by the housing which at least partially surrounds the drive electronics 1.
  • FIG. 2 is a sectional view through a capacitor 10 of FIG.
  • inventive drive electronics 1 shown.
  • a capacitor 10 is soldered on a circuit board 5 of the drive electronics 1.
  • the capacitor 10 has for this purpose a solderable pad 7.
  • the capacitor 10 is soldered by means of the solderable pad 7 to the circuit board 5.
  • the capacitor 10 interacts with the heat sink 40.
  • the heat sink 40 has for this purpose a recess into which the capacitor can be inserted during assembly. However, due to mounting tolerances, there is a gap 42 between the heat sink 40 and the surface of the capacitor 10.
  • the gap 42 is filled with a material 44 having a high thermal conductivity.
  • the gap 42 is filled with a thermal interface material 44, in particular thermal compound, thermal pads or thermal adhesive.
  • the material 44 with high thermal conductivity allows a dissipation of heat from the capacitor 10. The resulting power loss can thus be dissipated by the capacitor.
  • connection surface 7 Furthermore, there is a removal of heat via the connection surface 7 to the
  • FIG. 3 shows a sectional view through a capacitor 10.
  • the connection of the capacitor 10 to the printed circuit board 5 is the same as in Figure 2.
  • the heat sink 40 has, in particular in the region of the thermal connection of the capacitor 10, a flat, in particular planar, surface.
  • the flat surface is as directly as possible connected to the surface of the capacitor 10, or the side of the capacitor 10, which is trimmed to the heat sink.
  • the occurring due to mounting tolerances gap 42 between the heat sink 40 and the capacitor 10 is filled with the material with a high thermal conductivity.
  • the gap 42 is filled with a thermal interface material 44, in particular thermal compound, thermal pads or thermal adhesive.
  • the material 44 with high thermal conductivity allows a dissipation of heat from the condenser 10 to the heat sink 40.
  • Capacitor 10 resulting power loss can thus be removed from the capacitor 10 by means of the heat sink 40.
  • the capacitor 10 and the heat sink 40 are connected directly to each other.
  • the heat sink 40 is formed by a housing.
  • the drive electronics 1 has a housing or is arranged in at least partially in a housing.
  • the housing forms a protection of the control electronics 1 opposite
  • the housing can form the heat sink 40 in which it dissipates the heat generated by the power loss of the capacitor 10 away.
  • the housing may for this purpose have a corresponding surface, which in turn has an optimal release of heat to the ambient air result.
  • the housing can in particular have ribs on its outer circumference.
  • the drive electronics 1 is not limited to a single one
  • Capacitor 10 limited. Rather, several capacitors 10, in particular on an SMD basis, can be arranged electrically parallel to one another.
  • the capacitors 10 can in this case be cooled by means of a common or a plurality of separate heat sinks 40.
  • the housing may form the heat sink 40.
  • the housing may form the heat sink 40.
  • Condenser 10 introduced into a recess of the heat sink 40 and / or the heat sink 40 has a flat surface which is as directly as possible connected to the surface of the capacitor 10, and the capacitors 10 on.
  • the gap occurring between the heat sink 40 and the condenser 40 due to mounting tolerances is filled up with the material having a high thermal conductivity.
  • the heat sink 40 is also used for cooling the electrical switch 17 of the drive drive circuit 15. Furthermore, the heat sink 40 is preferably formed by the housing.
  • the surface of the capacitor 10 which is not for
  • Pad 7 counts, thermally connected to the heat sink 40.
  • Capacitor 10 connected to the heat sink 40 directly or via the material 44 with high thermal conductivity. As a result, no recesses 42 on the heat sink 40 are necessary.
  • the driven by the drive electronics 40 electrical drives 20 can be used as pumps, in particular cooling liquid pumps, blower for
  • the electric drive 20 can thus be part of a pump, a fan for cooling motor vehicle engines and / or a fan for ventilating the interior.
  • the drive 20 can thus be used for example for driving a pump rotor or a fan wheel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Inverter Devices (AREA)

Abstract

La présente invention concerne un système électronique d'entraînement (1) destiné à un entraînement électrique (20), notamment à l'entraînement d'un ventilateur ou d'une pompe dans un véhicule à moteur, comprenant un condensateur (10) et un circuit de commande d'entraînement (15) qui sont connectés électriquement en parallèle. Selon l'invention, le condensateur (10) présente une forme structurale de CMS et le condensateur (10) est relié thermiquement à un dissipateur thermique (40).
PCT/EP2016/081835 2015-12-21 2016-12-20 Système électronique d'entraînement pour un entraînement électrique dans un véhicule Ceased WO2017108735A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015226149.2 2015-12-21
DE102015226149.2A DE102015226149A1 (de) 2015-12-21 2015-12-21 Antriebselektronik für einen Antrieb

Publications (1)

Publication Number Publication Date
WO2017108735A1 true WO2017108735A1 (fr) 2017-06-29

Family

ID=57680251

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/081835 Ceased WO2017108735A1 (fr) 2015-12-21 2016-12-20 Système électronique d'entraînement pour un entraînement électrique dans un véhicule

Country Status (2)

Country Link
DE (1) DE102015226149A1 (fr)
WO (1) WO2017108735A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0449640A1 (fr) * 1990-03-28 1991-10-02 Mitsubishi Denki Kabushiki Kaisha Méthode pour monter des composants électriques.
EP1010583A2 (fr) * 1998-12-15 2000-06-21 Mannesmann VDO Aktiengesellschaft Dispositif électronique
WO2009012735A1 (fr) * 2007-07-23 2009-01-29 Hüttinger Elektronik Gmbh + Co. Kg Dispositif d'alimentation en plasma
DE102008019797A1 (de) * 2008-04-18 2009-10-22 Sew-Eurodrive Gmbh & Co. Kg Kühlanordnung und Umrichter
EP2337210A1 (fr) * 2008-09-30 2011-06-22 Hitachi Automotive Systems, Ltd. Convertisseur de puissance

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0449640A1 (fr) * 1990-03-28 1991-10-02 Mitsubishi Denki Kabushiki Kaisha Méthode pour monter des composants électriques.
EP1010583A2 (fr) * 1998-12-15 2000-06-21 Mannesmann VDO Aktiengesellschaft Dispositif électronique
WO2009012735A1 (fr) * 2007-07-23 2009-01-29 Hüttinger Elektronik Gmbh + Co. Kg Dispositif d'alimentation en plasma
DE102008019797A1 (de) * 2008-04-18 2009-10-22 Sew-Eurodrive Gmbh & Co. Kg Kühlanordnung und Umrichter
EP2337210A1 (fr) * 2008-09-30 2011-06-22 Hitachi Automotive Systems, Ltd. Convertisseur de puissance

Also Published As

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