EP1058785A1 - Dispositif pour la commande d'un demarreur de vehicule automobile - Google Patents
Dispositif pour la commande d'un demarreur de vehicule automobileInfo
- Publication number
- EP1058785A1 EP1058785A1 EP99961159A EP99961159A EP1058785A1 EP 1058785 A1 EP1058785 A1 EP 1058785A1 EP 99961159 A EP99961159 A EP 99961159A EP 99961159 A EP99961159 A EP 99961159A EP 1058785 A1 EP1058785 A1 EP 1058785A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- switch
- starter
- power
- electric motor
- controlled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007858 starting material Substances 0.000 title claims abstract description 41
- 230000003068 static effect Effects 0.000 claims abstract description 20
- 238000004804 winding Methods 0.000 description 9
- 230000009849 deactivation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
- F02N15/003—Starters comprising a brake mechanism
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0859—Circuits or control means specially adapted for starting of engines specially adapted to the type of the starter motor or integrated into it
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/087—Details of the switching means in starting circuits, e.g. relays or electronic switches
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0848—Circuits or control means specially adapted for starting of engines with means for detecting successful engine start, e.g. to stop starter actuation
Definitions
- the present invention relates to devices for controlling a motor vehicle starter.
- the power supply of the electric motor of a starter is controlled by an electromagnetic power contact (coil relay) which is actuated according to the state of the contact switch of the vehicle, either directly or by the management electronics integrated or not integrated into the starter.
- the starter is deactivated, the armature does not return to stop immediately.
- the armature rotation speed is maximum at the time of deactivation, then it gradually decreases as a function of time. The duration of this deceleration depends on the maximum speed, the inertia of the armature and the friction losses.
- the stop time can reach several seconds during which the starter emits noise at different frequencies.
- these noises cause annoyances because they are easily perceptible inside the passenger compartment of the vehicle.
- starter structures have also been proposed in which a mechanical auxiliary contact carries out the electrical grounding of the starter motor supply terminal as soon as the starter power contact returns to its open position. .
- An object of the invention is to provide a device which is of greater simplicity and which makes it possible to achieve braking of the electric motor of a motor vehicle starter which is reliable over time and which does not penalize the performance of said starter.
- Another object of the invention is to propose a solution for braking the electric motor of a starter which can be used in the case where said electric motor is controlled by such a static relay.
- the invention provides a device for controlling the supply of power to the electric motor of a vehicle starter, particularly a motor starter, comprising a power switch mounted in series with said electric motor, means for controlling said switch. power, as well as an auxiliary switch which short-circuits said electric motor when the power switch opens, characterized in that said auxiliary switch is a static electronic component.
- a static electronic component is a transistor;
- the auxiliary switch is controlled by a microcontroller which manages the control of the power supply to the electric motor;
- the static electronic component which constitutes the auxiliary switch is controlled by a pulse signal with modulated width
- the device comprises shunt type means which are connected to an analog / digital input of the microcontroller and which transmit to said input a voltage proportional to the intensity of the current flowing through the static electronic component which constitutes the switch;
- the device includes means for closing the auxiliary switch when the starter contact switch and the power contact (K) are open and to open it in other cases.
- the invention also relates to a starter of a vehicle, in particular an automobile, comprising an electric motor, a pinion driven by said motor, means for moving said pinion from a rest position to a position where it meshes with a crown of the heat engine, as well as a device of the aforementioned type for controlling the supply of its electric motor.
- FIG. 2 shows schematically a starter comprising a control device according to another possible embodiment for the invention.
- the starter D shown in FIG. 1 comprises an electric motor M and a power contactor 1.
- This electric motor M is mounted between earth and a + Bat terminal at the battery supply voltage.
- the power contactor 1 is, in the particular example which is shown in the figure, a mechanical relay. It includes a movable contact K, which is interposed between the supply terminal + Bat and the motor M, as well as a winding B, the supply of which moves the pinion of the starter and closes the contact K.
- This coil B is mounted, between the + Bat terminal and earth, in series with a controlled switch T1.
- This switch T1 is for example a MOSFET type transistor, the gate of which is voltage-controlled by an output terminal if from a management unit 2.
- a switch T2 is mounted in parallel with the motor M, between the two ends of that -this.
- This switch T2 is also controlled by the management unit 2. It is for example constituted by a MOSFET type transistor, the gate of which is voltage-controlled by an output terminal s2 of said management unit 2.
- a resistor R2 mounted between the gate of transistor T2 and the ground puts said gate at the same potential as the source of transistor T2 in the absence of a signal on output s2.
- the management unit 2 is constituted by a microcontroller, an analog input e1 of which is connected to the power supply terminal + Bat by means of a switch 3, which constitutes the vehicle start switch.
- This management unit 2 is constantly powered up and is therefore supplied with the voltage delivered by the + Bat terminal by a link independent of that on which the start switch 3 is located. It incorporates a standby system, not shown, which allows electronic consumption to be limited when the vehicle is not operating and thus prevents the battery from being discharged too quickly.
- the output if of the electronic circuit delivers on the grid of T1 a pulse voltage with modulated width which makes it possible to supply the coil B according to a determined current law.
- the voltage which is supplied controls the gate of the transistor T1 so that a high "inrush current" crosses the winding B to move the starter pinion and close the contact K.
- the gate of the transistor T1 is controlled so as to deliver to the winding B a "holding" current of lower intensity.
- the management unit 2 When the management unit 2 detects the start of the thermal engine, its output if goes low and blocks the transistor T1, which deactivates the starter. Simultaneously, its output s2 goes high, turning on the transistor T2 and thus short-circuiting the electric motor M. As long as the armature turns, the starter operates as a generator. The kinetic energy of the rotor is dissipated by the Joules effect in the transistor T2, the armature of the motor M and the electrical connections. This results in rapid braking of the armature.
- a first possibility for this purpose is to have in series with the transistor T2 an additional resistor (not shown) making it possible to reduce the short-circuit current.
- Another solution consists in driving the gate of transistor T2 with a pulse width modulated voltage.
- the duty cycle of this control voltage can then: - either respond to a variation law stored in the management unit 2 (open-loop control);
- the contact K is replaced by a static relay, which is for example a power MOSFET transistor whose gate is controlled by an output of the management unit 2.
- the supply of the coil B then ensures only the movement of the starter pinion.
- a device for controlling the power supply to the electric motor of a starter comprising a static relay has already been described in patent application FR-98.11550 of the applicant, to which reference will advantageously be made. Also in a variant, as illustrated in FIG. 2, the starter contact switch 3 can directly control the contact K, instead of controlling it via the management unit 2.
- the relay 1 comprises two windings B1, B2, one common point of which is connected to the end of the contact switch 3 opposite the terminal + Bat.
- the end of the winding B1 opposite to this common point is connected to ground, while the end of the winding B2 which is opposite to this common point is connected to a point between the contact K and the motor M.
- a MOSFET transistor T2 is mounted in parallel between the ends of the motor M.
- the gate of this transistor T2 is voltage-controlled by an output if from a management unit 2. It is also connected to ground via a resistor R2.
- This management unit 2 is powered by the + Bat terminal. It receives on an input e1 the voltage at the end of the contact switch 3.
- the input e1 of the management unit 2 allows said management unit to know the state (open or closed) of the ignition key 3.
- the voltage difference between the inputs e2 and e3 allows said management unit 2 to know the state (open or closed) of the power contact K, by comparison with a reference threshold Vref.
- the winding B2 When the contact K is closed, the winding B2 is in short circuit, while the winding B1 maintains said power contact K in its closed position.
- the transistor T2 is then controlled by the management unit 2 so as to be on when the contact switch 3 and the power contact K are open, and to be closed otherwise.
- transistor T2 is controlled according to the following truth table:
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Direct Current Motors (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Motor And Converter Starters (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9816327 | 1998-12-23 | ||
FR9816327A FR2787946B1 (fr) | 1998-12-23 | 1998-12-23 | Dispositif pour la commande d'un demarreur de vehicule automobile |
PCT/FR1999/003271 WO2000039453A1 (fr) | 1998-12-23 | 1999-12-23 | Dispositif pour la commande d'un demarreur de vehicule automobile |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1058785A1 true EP1058785A1 (fr) | 2000-12-13 |
EP1058785B1 EP1058785B1 (fr) | 2003-02-05 |
Family
ID=9534399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99961159A Expired - Lifetime EP1058785B1 (fr) | 1998-12-23 | 1999-12-23 | Dispositif pour la commande d'un demarreur de vehicule automobile |
Country Status (9)
Country | Link |
---|---|
US (1) | US6486625B1 (fr) |
EP (1) | EP1058785B1 (fr) |
KR (1) | KR100639165B1 (fr) |
CN (1) | CN1107799C (fr) |
BR (1) | BR9908185A (fr) |
DE (1) | DE69905239T2 (fr) |
ES (1) | ES2192875T3 (fr) |
FR (1) | FR2787946B1 (fr) |
WO (1) | WO2000039453A1 (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004060458A (ja) * | 2002-07-25 | 2004-02-26 | Denso Corp | 内燃機関用スタータ |
US7023159B2 (en) * | 2002-10-18 | 2006-04-04 | Black & Decker Inc. | Method and device for braking a motor |
US7075257B2 (en) * | 2002-10-18 | 2006-07-11 | Black & Decker Inc. | Method and device for braking a motor |
DE102005016278A1 (de) * | 2005-04-08 | 2006-10-12 | Siemens Ag | Vorrichtung zum Steuern eines elektromechanischen Energiewandlers, insbesondere eines Elektromotors und/oder -generators |
KR100954368B1 (ko) * | 2005-05-18 | 2010-04-26 | 후지쓰 텐 가부시키가이샤 | 엔진 시동 제어 장치 및 방법 |
MX2007015387A (es) * | 2005-06-06 | 2008-02-19 | Lutron Electronics Co | Metodo y aparato para control de velocidad de motor variable silencioso. |
US7489094B2 (en) | 2005-11-18 | 2009-02-10 | Lutron Electronics Co., Inc. | Method and apparatus for quiet fan speed control |
JP5165669B2 (ja) | 2009-12-03 | 2013-03-21 | 日立オートモティブシステムズ株式会社 | エンジン始動装置 |
FR2959891B1 (fr) * | 2010-05-07 | 2016-06-03 | Valeo Equip Electr Moteur | Dispositif de commande electronique pour contacteur electromagnetique a double contact et demarreur pour moteur thermique l'incorporant |
JP5059907B2 (ja) * | 2010-05-20 | 2012-10-31 | 三菱電機株式会社 | エンジン始動装置 |
WO2016205598A1 (fr) * | 2015-06-19 | 2016-12-22 | Briggs & Stratton Corporation | Moteur de démarreur doté d'un commutateur à semi-conducteurs intégré |
TWI730281B (zh) | 2018-01-03 | 2021-06-11 | 美商米沃奇電子工具公司 | 電動工具中之電子制動技術 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61108870A (ja) * | 1984-11-02 | 1986-05-27 | Kiyoshi Nagae | エンジンスタ−タ |
US4710841A (en) * | 1985-10-23 | 1987-12-01 | Bottrell Gerald W | System for production of induction machines against damage from residual voltage effects |
US5057962A (en) * | 1990-01-22 | 1991-10-15 | General Electric Company | Microprocessor-based protective relay system |
US5350992A (en) * | 1991-09-17 | 1994-09-27 | Micro-Trak Systems, Inc. | Motor control circuit |
US5434738A (en) * | 1993-07-12 | 1995-07-18 | American Standard Inc. | Apparatus and method for protecting induction motors from momentary power loss |
-
1998
- 1998-12-23 FR FR9816327A patent/FR2787946B1/fr not_active Expired - Fee Related
-
1999
- 1999-12-23 KR KR1020007009329A patent/KR100639165B1/ko active IP Right Grant
- 1999-12-23 ES ES99961159T patent/ES2192875T3/es not_active Expired - Lifetime
- 1999-12-23 WO PCT/FR1999/003271 patent/WO2000039453A1/fr active IP Right Grant
- 1999-12-23 BR BR9908185-7A patent/BR9908185A/pt not_active IP Right Cessation
- 1999-12-23 DE DE69905239T patent/DE69905239T2/de not_active Expired - Lifetime
- 1999-12-23 EP EP99961159A patent/EP1058785B1/fr not_active Expired - Lifetime
- 1999-12-23 US US09/622,862 patent/US6486625B1/en not_active Expired - Fee Related
- 1999-12-23 CN CN99803910A patent/CN1107799C/zh not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO0039453A1 * |
Also Published As
Publication number | Publication date |
---|---|
ES2192875T3 (es) | 2003-10-16 |
DE69905239T2 (de) | 2003-11-06 |
BR9908185A (pt) | 2000-10-24 |
FR2787946A1 (fr) | 2000-06-30 |
EP1058785B1 (fr) | 2003-02-05 |
WO2000039453A1 (fr) | 2000-07-06 |
DE69905239D1 (de) | 2003-03-13 |
KR100639165B1 (ko) | 2006-10-27 |
CN1107799C (zh) | 2003-05-07 |
FR2787946B1 (fr) | 2001-03-23 |
CN1292849A (zh) | 2001-04-25 |
KR20010041237A (ko) | 2001-05-15 |
US6486625B1 (en) | 2002-11-26 |
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