EP3857688A1 - Dispositif de commande pour moteur electrique d'un pulseur d'air de vehicule automobile - Google Patents
Dispositif de commande pour moteur electrique d'un pulseur d'air de vehicule automobileInfo
- Publication number
- EP3857688A1 EP3857688A1 EP19795261.7A EP19795261A EP3857688A1 EP 3857688 A1 EP3857688 A1 EP 3857688A1 EP 19795261 A EP19795261 A EP 19795261A EP 3857688 A1 EP3857688 A1 EP 3857688A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- printed circuit
- circuit board
- control device
- electronic component
- electric motor
- 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.)
- Pending
Links
Classifications
-
- 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
- H02K11/02—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for suppression of electromagnetic interference
- H02K11/026—Suppressors associated with brushes, brush holders or their supports
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
- H02K23/66—Structural association with auxiliary electric devices influencing the characteristic of, or controlling, the machine, e.g. with impedances or switches
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2211/00—Specific aspects not provided for in the other groups of this subclass relating to measuring or protective devices or electric components
- H02K2211/03—Machines characterised by circuit boards, e.g. pcb
Definitions
- the invention relates to a control device for an electric motor, in particular an air blower for a ventilation, heating and / or air conditioning device of a motor vehicle.
- the blower generally comprises an electric motor, in particular with brushes, on which a wheel is mounted to set the air in motion.
- the pulser also includes a motor support in which the electric motor is housed, as well as the electric motor control device, the motor and the control device being connected to each other.
- the controller has a male power connector while the electric motor includes an electrical harness and a female power connector.
- the male connector fits into the female connector, which electrically connects the control device and the motor.
- blower has the disadvantage that the entire engine, the control device, their connector and the engine support can be bulky in the vehicle, which is of course not optimal depending on the type of vehicle that the team kicker.
- connection between the motor and the control device must be as reliable as possible, in order to avoid any malfunction of the blower, which would generate a malfunction of the ventilation, heating and / or air conditioning device and would necessarily impact user comfort. of the vehicle.
- the control device and the motor may move away from one another inappropriately, which can cause deterioration of their electrical connection. Indeed, the losses by heating are all the more important as the electric beam is long.
- the control device can comprise one or more electronic components comprising two connection tabs, and soldered on a printed circuit according to the technique known as surface mounting.
- surface mounting is understood to mean that the component is soldered to the surface of the printed circuit.
- connection tabs In the case where the electronic component has connection tabs, these do not pass through the printed circuit, consequently the latter does not have any insertion holes for the connection tabs.
- One difficulty with this type of mounting is to ensure the quality of the solder even when the component to be brazed has slight geometric defects, such as two connection tabs which are not entirely coplanar.
- connection tabs of one of the components are not entirely coplanar, their soldering on the printed circuit is weakened and can break during the life of the vehicle, notably under the effect of vibrations to which the product is subject to during use.
- the object of the invention is to at least partially remedy these drawbacks.
- the subject of the invention is a control device for an electric motor comprising a printed circuit board, said printed circuit board being provided with an electronic component comprising at least two legs, at least one of the legs being mounted on the surface of the printed circuit board and another of the tabs being mounted through said printed circuit board.
- connection tabs make it possible to overcome localization defects in the same plane of the connection tabs.
- the relative arrangement of a connection tab relative to the other is not important to ensure good contact between the connection tab to be soldered on the surface of the printed circuit and the printed circuit itself.
- the electronic component has two tabs. In other words, the electronic component includes only two legs.
- the device comprises an electrical connection crimped with the through lug of the electronic component.
- the electrical connection comprises a braided wire.
- the electrical connection is shaped to electrically connect the electronic component to a brush of the electric motor.
- the electronic component is a coil or a capacitor or a resistor or a transistor or a diode.
- the printed circuit board comprises a passage of the through lug of the electronic component, the passage being a notch formed in an edge of the printed circuit board or a through hole.
- the passage has a general circular or oblong or rectangular or square shape.
- the through tab forms an angle between 88 ° and 92 ° with a plane in which the printed circuit board extends, preferably 90 °.
- the invention also relates to an air blower for a device for the ventilation, heating and / or air conditioning device of a motor vehicle, comprising a control device as described above.
- the invention also relates to a heating, ventilation and / or air conditioning device for a motor vehicle, comprising a blower as described above.
- FIG. 1 illustrates a perspective view of a control device according to the present invention
- FIG. 1 illustrates a side view of a component of the device of Figure 1;
- FIG. 3 illustrates a perspective view of the component of Figure 2 connected to a brush of an electric motor configured to be controlled by the control device of Figure 1;
- - Figure 4 illustrates a variant of the control device of Figure 1;
- Figure 5 is a top view of a detail of Figure 4.
- the subject of the invention is a control device, referenced 1 in the figures.
- the invention also relates to a pulser (not illustrated) comprising the control device 1 as well as an electric motor configured to be controlled by the control device 1.
- the invention also relates to a ventilation, heating and / or air conditioning device for a motor vehicle (not shown) equipped with the blower fitted with the control device 1.
- the ventilation, heating and / or air conditioning device makes it possible to regulate the temperature of an air flow intended for the passenger compartment of the vehicle.
- the blower allows air to enter and circulate in the ventilation, heating and / or air conditioning system.
- control device 1 comprises a printed circuit board 2.
- the printed circuit board 2 is delimited by two parallel faces 3, 3 ′ on which electronic components 4 are mounted.
- the printed circuit board 2 comprises in particular an electronic component, referenced 4L, which is an anti-interference coil in the illustrated embodiment.
- the coil 4L is a dipole comprising two tabs 5, 6 for electrical connection.
- the tab 5 is mounted on the face 3 of the printed circuit board 2. More specifically, the tab 5 is soldered on the surface of the printed circuit board 2.
- the tab 6 is mounted through of the printed circuit board 2, the card 2 comprising a through hole 7 for the passage of the tab 6.
- the through configuration of the tab 6 makes it possible to avoid having to use a connector between the electric motor and the control device 1, as will be explained later.
- the dimensions of the orifice 7 and of the tab 6 are chosen so that there is a clearance between the walls of the orifice 7 and the tab 6.
- the clearance between the surface of the tab 6 and the walls of the orifice 7 is between 1.5 millimeters and 2.5 millimeters. This range of clearance values is particularly suitable for an inductor with a diameter of about 10 millimeters. The insertion of the tab 6 into the printed circuit board 2 is thus greatly facilitated, even when the angle between the tab 5 and the tab 6 of the component does not measure exactly 90 °.
- the clearance is preferably chosen so that the tab 6 extends orthogonally to the faces 3 and 4, with a deviation of ⁇ 2 °.
- the orifice 7 allows protection of the tab 6, which prevents the tab 6 from breaking, even in the event of an untimely movement of the control device 1.
- one end 8 of the tab 6 is free while an opposite end 9 is secured to a body 10 of the coil 4L.
- the coil 4L is electrically connected to a brush 1 1 of the electric motor.
- the electrical connection 12 between the end 8 and the brush 1 1 comprises a braided wire.
- the braided wire is crimped at one of its ends to the tab 6 and at the other of its ends to the brush 11.
- the crimping of the braided wire directly, reliably and inexpensively ensures the electrical connection between the control device 1 and the electric motor, which makes it possible to eliminate any motor power connector.
- the configuration according to the present invention also makes it possible to integrate the control device 1 on the motor, which makes the electrical connection shorter and makes the assembly less bulky.
- the anti-parasite elements are directly integrated into the control device 1, and their assembly does not require wave soldering, unlike the state of the art .
- the printed circuit board 2 is provided with a notch T.
- the notch T comprises an inlet 15 for passage of the tab 6, the tab 6 being held against the wall 16 of the notch
- the through electronic component can be another type of dipole or multipole, such as a capacitor or a resistor or a transistor or a diode.
- the orifice 7 and the notch T may have different types of section, in particular circular or oblong or rectangular or square.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1858686A FR3086468B1 (fr) | 2018-09-25 | 2018-09-25 | Dispositif de commande pour moteur electrique d’un pulseur d’air de vehicule automobile |
PCT/FR2019/052250 WO2020065210A1 (fr) | 2018-09-25 | 2019-09-25 | Dispositif de commande pour moteur electrique d'un pulseur d'air de vehicule automobile |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3857688A1 true EP3857688A1 (fr) | 2021-08-04 |
Family
ID=65243824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19795261.7A Pending EP3857688A1 (fr) | 2018-09-25 | 2019-09-25 | Dispositif de commande pour moteur electrique d'un pulseur d'air de vehicule automobile |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3857688A1 (fr) |
FR (1) | FR3086468B1 (fr) |
WO (1) | WO2020065210A1 (fr) |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2701161A1 (de) * | 1977-01-13 | 1978-07-20 | Bosch Gmbh Robert | Kraftstoffoerderaggregat |
DE2702405C2 (de) * | 1977-01-21 | 1982-04-22 | Robert Bosch Gmbh, 7000 Stuttgart | Elektrisches Kraftstofförderaggregat |
DE3021948A1 (de) * | 1980-06-12 | 1981-12-24 | Rau Swf Autozubehoer | Elektrische antriebseinheit, insbesondere fuer scheibenwischer eines kraftfahrzeuges |
JPS62124292U (fr) * | 1986-01-30 | 1987-08-07 | ||
GB2248348B (en) * | 1990-09-28 | 1994-04-27 | Johnson Electric Sa | A brush holder for an electric motor |
IT1247211B (it) * | 1991-05-14 | 1994-12-12 | Alberto Frigo | Macchina elettrica rotante a collettore perfezionata |
DE9112104U1 (de) * | 1991-09-27 | 1993-01-28 | Robert Bosch Gmbh, 7000 Stuttgart | Vorrichtung zum Fördern von Kraftstoff aus einem Vorratstank zur Brennkraftmaschine eines Kraftfahrzeuges |
FR2797111B1 (fr) * | 1999-07-30 | 2001-10-19 | Ecia Equip Composants Ind Auto | Plaque porte-balais pour moteur electrique, procede de fabrication de cette plaque et module pour groupe moto-ventilateur comportant cette plaque |
ITBO20060477A1 (it) * | 2006-06-20 | 2007-12-21 | Spal Automotive Srl | Struttura di supporto per motori elettrici. |
DE102015108616A1 (de) * | 2015-06-01 | 2016-12-01 | Valeo Wischersysteme Gmbh | Bürstenhalterplatte, insbesondere für einen Scheibenwischermotor, und Scheibenwischermotor |
-
2018
- 2018-09-25 FR FR1858686A patent/FR3086468B1/fr active Active
-
2019
- 2019-09-25 EP EP19795261.7A patent/EP3857688A1/fr active Pending
- 2019-09-25 WO PCT/FR2019/052250 patent/WO2020065210A1/fr unknown
Also Published As
Publication number | Publication date |
---|---|
FR3086468A1 (fr) | 2020-03-27 |
WO2020065210A1 (fr) | 2020-04-02 |
FR3086468B1 (fr) | 2022-01-21 |
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