EP3752380A2 - Dispositif de régulation d'un flux d'air pour un module de face avant d'un véhicule automobile - Google Patents
Dispositif de régulation d'un flux d'air pour un module de face avant d'un véhicule automobileInfo
- Publication number
- EP3752380A2 EP3752380A2 EP19755086.6A EP19755086A EP3752380A2 EP 3752380 A2 EP3752380 A2 EP 3752380A2 EP 19755086 A EP19755086 A EP 19755086A EP 3752380 A2 EP3752380 A2 EP 3752380A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- flaps
- rotation
- flap
- drive plate
- common drive
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- B60K11/08—Air inlets for cooling; Shutters or blinds therefor
- B60K11/085—Air inlets for cooling; Shutters or blinds therefor with adjustable shutters or blinds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
Definitions
- the field of the present invention is that of the heat treatment of different zones or components of a motor vehicle.
- the present invention relates more specifically to the cooling units used for this purpose, and more particularly to the devices used to modulate the circulation of an air flow within such units.
- movable flaps for example placed on the front of the vehicle, to reduce, in particular, the drag coefficient of a motor vehicle.
- Such movable flaps whose movements are, for example, governed by an actuator connected to an electric drive motor, also improve the cooling performance and / or air conditioning in the vehicle.
- movable shutters make it possible to control the circulation of an air flow intended to pass through one or more elements arranged in a motor compartment of the vehicle.
- Such devices are preferably placed at a front grille of the motor vehicle concerned, and are known under the acronym AGS for "Active Grid Shutter".
- AGS Active Grid Shutter
- air can circulate through the calender and participate, in particular, in the cooling of the vehicle engine, for example by passing through one or more heat exchangers of a vehicle cooling unit.
- the closed position of the movable flaps of such devices the air flow through the calender is blocked, which reduces the drag of the vehicle, thus reducing fuel consumption and, in particular, the emission of carbon dioxide.
- An AGS device as just mentioned thus allows, as long as the engine of the vehicle does not require cooling by outside air, to reduce the energy consumption of the vehicle and the pollution generated by the latter.
- the movable flaps of such devices together form a substantially flat surface.
- the evolution of design and the constant desire to reduce the pollution generated by motor vehicles generate increasingly complex and significant constraints in terms of, in particular, congestion and implementation of components of motor vehicles, sometimes making impossible to implement a conventional AGS device as just mentioned.
- the technical problem therefore lies in setting up a device for controlling the passage of an air flow intended to pass through one or more components of a cooling unit of a motor vehicle, in an environment in which the implantation of an AGS device as known by the state of the art is impossible.
- the components of the cooling unit intended to be traversed by the aforementioned air flow may be, non-exhaustively, a front grille of the vehicle in question, one or more heat exchangers, and / or any other element of a cooling unit of one or more elements of the vehicle.
- the subject of the invention is a device for regulating an air flow for a front-end module of a motor vehicle, the regulating device comprising:
- the axes of rotation of the flaps are contained in at least two distinct planes.
- the device for regulating an airflow seen in profile is configured so that not all the axes of rotation of the shutters are aligned in the same plane, or on a single straight line. .
- all the axes of rotation of the flaps are aligned on at least two distinct segments of the line.
- the regulating device according to the invention is such that the axes of rotation of the flaps are contained in at least three distinct alignment planes.
- the device for regulating an airflow seen in profile is configured so that all the axes of rotation of the flaps are aligned on at least 3 distinct line segments.
- the regulating device comprises N flaps
- the axes of rotation of the flaps are all contained in at least 2, 3, or 4 distinct planes, or even up to N-i distinct planes.
- the regulating device corresponds to a set of shutters for a front-end module, in other words a cooling unit, of a motor vehicle, the set of shutters comprising at least:
- a plurality of flaps each of which is rotatable about an axis substantially parallel to a principal direction of elongation of the flap, and passing through a junction zone of the flap and a structural element of the vehicle, that this latter either a housing of the cooling unit or a structural wall of the vehicle,
- the axes of rotation of the flaps are arranged together according to a non-planar surface.
- the cooling unit comprises a frame or frame inside which can be accommodated, in a non-exhaustive manner, one or more heat exchangers, a shell of the vehicle, one or more heat transfer fluid circuits, etc.
- the shutters are inscribed in a curved or curved surface
- the shutters are inscribed in a concave surface
- the device further comprises a common drive plate for simultaneously rotating each flap about their respective axis of rotation, each flap being connected to the common drive plate;
- the common drive plate has secondary lights each of which is configured to receive a connecting pin of a flap;
- a plurality of secondary light has an oblong shape
- the secondary lights have, in their main direction of extension, different dimensions
- the common drive plate comprises a main light configured to receive a finger of a motion control actuator of the common drive plate
- the device comprises a frame having bearings in which the flaps can be introduced, the frame being having a curved profile.
- the invention also relates to a front-panel module comprising such a device for regulating an air flow.
- the invention also relates to a motor vehicle in which is installed such a device for regulating an air flow and such a front-end module.
- a set of flaps comprises several identical flaps together, all assembled on the common drive plate to form the set of flaps according to the invention.
- each flap is in the general form of a thin strip or panel extending in a main direction of elongation also referred to below as the longitudinal direction of the flap in question.
- the transverse direction of a shutter is defined as the direction which defines, with the previously defined longitudinal direction, the active surface of the shutter, that is to say the surface of the shutter intended to be placed in a flow of air to change or not the flow before it reaches a cooling unit of the vehicle.
- the vertical direction of the shutter is also defined perpendicular to both the longitudinal direction and the transverse direction of the shutter, previously defined, the vertical direction defining the thickness of the flap.
- each flap may have a substantially convex shape in its transverse direction.
- the vertical direction of a flap will be defined as that in which the thickness of the flap constituting the flap considered at the vertex of the curvature of the convex shape extends. It should be noted that, in all cases, the vertical direction mentioned above can, for each flap of the flap assembly according to the invention, have any orientation with respect to the vertical direction of the vehicle.
- each flap is rotatable about an axis of rotation substantially parallel to the longitudinal direction, that is to say to the main direction of elongation, of this flap. More specifically, each flap of the set of flaps according to the invention is movable between a first extreme position, closed, and a second extreme position, open, between which it can occupy all the intermediate angular positions around its axis of rotation.
- a closed position of the set of flaps according to the invention in which the flaps that this set comprises are all simultaneously in their closed position
- an open position of the set of flaps according to the invention wherein the flaps that this set comprises are all simultaneously in their open position.
- all the flaps are advantageously, at each moment, in the same relative angular position relative to their previously defined axis of rotation.
- all the shutters are simultaneously rotated at the same angle around their respective axis of rotation.
- the flaps of this set together form a substantially continuous surface. More specifically, this substantially continuous surface is configured to block the passage of an air flow through the set of flaps according to the invention.
- the closed position of the flap assembly according to the invention may correspond to a substantially zero angular rotation of each flap about its axis of rotation, the angular position corresponding to the closed position of each flaps then being defined as the initial angular position for measuring the angle of rotation of these flaps.
- the flaps of this assembly allow the passage of a flow of air through the flap assembly according to the invention without modifying the flow of significant.
- the open position of the flap assembly according to the invention may correspond to an angular rotation of the order of 90 ° of each flap about its axis of rotation, the rotation angle being measured from an arbitrarily defined initial angular position.
- the shutters of the set of flaps according to the invention can take all the intermediate angular positions, so that, placed in a flow of air intended to pass through, the set of shutters according to the invention modulates the flow of such an air flow in greater or lesser proportions.
- the flaps of the flap assembly according to the invention are assembled in such a way that their respective axes of rotation are, with manufacturing and assembly tolerances close, substantially parallel to each other.
- the flaps of the assembly according to the invention are assembled such that their longitudinal directions are all parallel to each other, without being confused.
- the longitudinal direction of the assembly of flaps according to the invention is defined as any one of the longitudinal directions of each of the flaps of this set, all of them being parallel to one another.
- the flaps are assembled such that, in the closed position, previously defined, this set of flaps, they are placed substantially side by side along their longitudinal edges.
- the flaps may have on these longitudinal edges a flexible lip.
- the flaps can be arranged in the aforementioned closed position, the flaps are advantageously arranged in such a way that there remains, between two adjacent flaps, sufficient space to allow the rotation of each of these flaps, while preventing, in the closed position of each of these flaps, the passage of any flow of air.
- the set of shutters according to the invention comprises the common drive plate.
- the common drive plate is a piece of complex shape, substantially flat, arranged in the assembly of shutters according to the invention, substantially perpendicular to the manufacturing and assembly tolerances close to the direction longitudinal, previously defined, the set of flaps according to the invention, that is to say substantially perpendicular to the direction of the axes of rotation of each of the flaps, the latter being, as previously indicated, all parallel to each other.
- each of the flaps is connected, at one of its ends in its longitudinal direction, to the common drive plate, via at least one guide pad, so that a movement of the latter causes simultaneously a corresponding movement of all components of the assembly according to the invention.
- each of the flaps is connected, at one of its ends in its longitudinal direction, on the one hand to a structural element, for example the frame or frame of the front-end module, or the housing of the cooling unit. or a support frame having bearings in which are introduced the flaps, including the axes of rotation of the flaps, also called trunnions, and secondly to the common drive plate.
- the displacement of the plate causes the displacement of the point of connection of each shutter on the plate and thus the pivoting respective flaps around the fixed point of rotation formed by the junction zone of the flap and the structural element.
- the flaps are arranged in such a way that their axes of rotation together form a non-planar surface.
- the points of intersection of the axis of rotation of each of the flaps with the structural element, respectively the guide pins flaps cooperating with the plate are arranged on a curve which is not a right, unlike sets of movable flaps as known by the state of the art.
- the invention also has one or more of the following characteristics, taken separately or in combination:
- the common drive plate has a plurality of secondary lights each of which is configured to receive a connecting pin of a movable flap.
- the connection zone between each flap of the flap assembly according to the invention and the common drive plate comprises a secondary light arranged in the common drive plate and a pin arranged at one end. ends, according to its longitudinal direction, the flap considered.
- each of these pins extends substantially in the main direction of elongation of the corresponding flap, that is to say substantially in the longitudinal direction of the flap considered, that is to say still substantially in the direction of the axis of rotation of this flap.
- the common drive plate comprises at least as many secondary lights that the set of flaps according to the invention comprises flaps.
- the common drive plate comprises a main light configured to receive a finger of a motion control actuator of the common drive plate.
- the movements of the common drive plate can be governed by an electric motor, via an actuator rotated by this electric motor and in turn driving the common drive plate.
- the actuator comprises an eccentric finger engaged in the main light so that the implementation of the shareholder generates a rotational movement of the finger around the axis of rotation of the shareholder and therefore a displacement of the common platinum driving in rotation, about an axis substantially parallel to the axes of rotation of the flaps of the assembly according to the invention.
- each of these flaps being, at one of its ends in its longitudinal direction, connected to the common drive plate, it follows from the foregoing that the rotational movement about an axis substantially parallel to the axes of rotation each of the flaps, the common drive plate, in turn drives each flap in a rotational movement about its previously defined axis of rotation.
- the actuator simply by means of a single movement of the actuator, a simultaneous movement of rotation of all the flaps of the assembly of flaps according to the invention around their axes of rotation is realized.
- the invention provides that the finger of the actuator, engaged in the main light of the common drive plate to perform the drive in rotation thereof, is substantially parallel to the common direction of the axes of rotation of the different flaps, that is to say the main directions of elongation of each of the flaps of the set of flaps according to the invention, that is to say still to the longitudinal direction, previously defined, of the set of shutters according to the invention.
- a plurality of secondary lights previously defined has an oblong shape.
- each oblong secondary light extends in a main direction of extension located in the plane of the common drive plate.
- the oblong shape of these secondary lights arranged in the common drive plate is dictated by the complex shape of the latter and by the complex shape of the surface formed by the set of axes of rotation of each of the components of the assembly. shutters according to the invention. This oblong shape makes it possible in particular, when the common drive plate is rotated by the previously defined actuator, to provide a simultaneous rotation of all the flaps, by different displacements of each of the corresponding pins in the corresponding secondary light.
- the pins of each of the flaps of the set of flaps according to the invention are driven in movement, in the main direction of extension of the corresponding secondary light, between the edges of the latter.
- the respective dimensions of the pins and secondary lights mentioned above are advantageously defined so that the clearance between the edges of each secondary light, and the corresponding pin, is minimal in order to ensure guiding of this pin by these edges.
- the direction and the amplitude of this movement are defined by the location of the axis of rotation of the flap considered in the complex surface formed by the axes of rotation of the flaps of the assembly according to the invention.
- each secondary light according to its main direction of extension is defined so that, in the first extreme position, closed, of the assembly according to the invention, the pin engaged in this secondary light is at one of the ends, in this main direction of extension, of this secondary light, and for this pin to be, in the second extreme open position, of the assembly according to the invention, at the opposite end of this secondary light according to the main direction of extension thereof.
- the secondary lights are arranged in series, from a first end of the plate to a second opposite end, with the secondary lights disposed at the ends of the series which have a circular shape, of dimensions adjusted to those of the guide pin of the corresponding flap , while the other secondary lights have an oblong shape as previously defined.
- a game is allowed during the displacement of the plate and the drive accordingly flaps at oblong shaped lights, and it controls the movement of the plate at each opening and closing by the presence of shape lights circular.
- the previously defined main light, arranged in the common drive plate is oblong.
- the main light advantageously extends in a main direction of extension located in the plane of the common drive plate.
- the oblong shape of each of the secondary lights previously defined the oblong shape of the main light arranged in the common drive plate is dictated by the complex shape of the latter and by the complex shape of the surface formed by the set of axes of rotation of each of the flaps of the set of flaps according to the invention.
- This oblong shape makes it possible in particular for the actuator finger to slide when the common drive plate is rotated by the previously defined actuator, and thus to allow a simultaneous rotational drive of all the shutters according to the same value. angular with respect to their respective axes of rotation.
- the game allows rotation without blocking the common drive plate, and therefore without blocking in the opening and closing movement of the flaps. More specifically, when the common drive plate is rotated by the previously defined actuator, the previously defined finger of this actuator is driven in rotation and tends to bear against one of the edges of this light. main. The thrust that is performed by the finger generates a rotational movement of the plate about a theoretical axis parallel to the main direction of extension of the flaps, or longitudinal direction. To this end, the respective dimensions of the finger of the actuator and the main light are advantageously defined so that the clearance between the edges of the main light and the finger of the actuator is minimal in order to guarantee immediate guidance of said finger. the actuator by these edges.
- the theoretical axis of rotation of the plate is defined by the arrangement of the axes of rotation of the flaps and the axes of rotation of the guide pads in the secondary lights of the plate. It will be understood that, in order to regularly reproduce the position of the theoretical axis of rotation, the secondary lights arranged at the end of the series of lights are not oblong, as has been previously stated.
- the set of flaps according to the invention comprises a common retaining plate.
- the common holding plate has a shape similar to that of the common drive plate, and it is advantageously placed in the set of flaps according to the invention, at the end of the flaps opposite the end, by which each of these components is linked to the common drive plate.
- the common holding plate is driven in motion by the rotational movements of the flaps of the set of flaps according to the 'invention.
- the common retaining plate is not motorized and has a flap guiding function to ensure that the flaps do not deform during movement.
- each of the flaps of the flap assembly according to the invention is connected to the common retention plate, at the level of the second longitudinal end of the shutter, as well as to a structural element, and for example a wall of the housing of the cooling unit.
- the common holding plate has a plurality of oblong slots, each of which is configured to receive a lug arranged substantially longitudinally at the end of one of the flaps.
- each flap of the flap assembly according to the invention is connected to the common holding plate by a holding zone which comprises an oblong slot configured to receive a lug arranged substantially in the longitudinal direction of the flap. considered, at the end of this component.
- each flap is aligned in a curved or curved plane.
- the regulation device 500 of an airflow seen in profile is such that the axes of rotation are aligned according to a rotation axis alignment curve which can be of a concave or convex nature according to the voluminal constraints at within the engine compartment. It is also possible to envisage an embodiment where the alignment curve of the axes of rotation may present a point of inflection. In other words, the flaps are arranged in a non-planar surface having a point of curvature.
- FIG. 1 is a schematic perspective view of a set of flaps according to the invention, in its closed position
- FIG. 2 is a diagrammatic view, on the side of the common drive plate, of a set of flaps according to the invention, in its closed position,
- FIG. 3 is a schematic view, on the side of the common drive plate, a set of flaps according to the invention in its open position.
- a regulation device 500 of an air flow according to the invention may comprise a support frame having N bearings or even the frame of the front-face module, in which are inserted N flaps , tb, ... tN, each flap being rotatable about an axis of rotation, respectively 100a, 100b, ... 100N.
- N flaps , tb, ... tN each flap being rotatable about an axis of rotation, respectively 100a, 100b, ... 100N.
- the regulation device 500 of an air flow according to the invention is intended to be placed in a flow of air materialized by the arrow A in FIG. 1, in order to modulate the flow as a function of the position flaps 1a, ... 1N relative to the flow direction of the air flow A.
- the regulator 500 of an air flow according to the invention may be intended to be placed between an air inlet of a motor vehicle, not shown in the figures, and a cooling unit of the vehicle, not shown in the figures, or be placed at the outlet of the cooling unit, between the latter and the elements of the vehicle to be cooled .
- the cooling unit may be, without limitation, a heat exchanger of a refrigerant circuit, or any other element of a heat transfer fluid circuit for cooling one or more components of the vehicle concerned.
- a shutter t 1 of the regulation device 500 of an air flow according to the invention is in the general form of a thin strip or panel extending in one direction main elongation Li, also referred to in the following as the longitudinal direction Li of the shutter ti.
- the transverse direction Ti of the flap li is defined as the direction which, with the longitudinal direction Li mentioned above, defines an active surface Si of the flap ti.
- the term active surface is understood to mean the surface of the shutter ti intended to be placed in the aforementioned air flow A to modulate the flow as a function of the relative orientation of the surface Si with respect to the direction of the flow of A.
- the shutter ti has, in its transverse direction Ti, a substantially convex shape whose apex of the curvature is oriented opposite the flow of aforesaid air.
- a vertical direction Vi of the shutter li is defined, perpendicular to both the longitudinal direction Li and the transverse direction Ti mentioned above.
- the vertical direction Vi will be defined as being the direction in which the thickness of the flap 11 at the top of the curvature of the convex shape that this flap takes in its transverse direction Ti.
- the longitudinal direction Li, the transverse direction Ti and the vertical direction Vi form a direct trihedron (Li, Ti, Vi) shown in FIG.
- the shutters t i are assembled in such a way that their longitudinal directions Li are all substantially parallel to each other, to the tolerances of manufacturing and assembly close. More specifically, it is clear from FIG. 1 that the shutters t 1 are stacked to form the regulation device 500 of an air flow according to the invention in such a way that their longitudinal directions Li, substantially parallel to each other, are non confused with each other.
- the term longitudinal direction of the regulating device 500 of an air flow according to the invention will be any of the longitudinal directions Li above.
- each flap ti is rotatable about an axis of rotation tooi substantially parallel to the longitudinal direction Li of this flap ti.
- the axes of rotation 10 oi of the different flaps ti of the regulation device 500 of an air flow according to the invention are all, with manufacturing and assembly tolerances, distinct from each other. others and substantially parallel to each other.
- Each flap li of the regulation device 500 of an air flow according to the invention is movable between a first extreme position, closed, and a second extreme position, open, between which it can take all the intermediate angular positions with respect to its axis of rotation tooi. It should be noted that, according to the invention, all flaps li are, at each moment, in the same relative angular position with respect to their respective axes of rotation tooi. In other words, in the regulation device 500 of an air flow according to the invention, all the flaps li are simultaneously rotated at the same angle around their respective axes of rotation tooi.
- Figures 1 and 2 illustrate more precisely the control device 500 of an air flow according to the invention in the closed position of all the flaps that this set comprises.
- This position is also called position, or closed configuration of the regulator 500 of an air flow.
- the active surfaces Si, previously defined, flaps 11 together form a substantially continuous surface S.
- the substantially continuous surface S is configured to prevent the passage air flow A previously defined through the control device 500 of an air flow and it has a curvature adapted to the integration of the set of flaps in the motor vehicle.
- each flap ti is movable in rotation about an axis of rotation 10 oi and is configured to pass from a configuration or so-called open position or opening of the frame 10 where each flap ti is least opposed to the passage of the air flow through the opening defined by the frame 10, to a configuration or said closed position or closure or closure of the frame 10 where each flap ti opposes the maximum flow of the flow d air, the set of flaps ti preventing the flow of air through the opening of the frame 10.
- each flap ti is arranged within the regulator 500 of an air flow such that, in the closed position thereof, they are placed substantially side by side along their edges longitudinal.
- the angular position of each flap ti about its axis of rotation 10 oi in the closed position of the shutter considered will be arbitrarily designated by o degree.
- the flaps ti In the open position of the flaps ti, visible in FIG. 3 and also called the open position of the regulation device 500 of an air flow according to the invention, the flaps ti allow the passage of an air flow A to through the regulator 500 of a flow of air without significantly changing the flow of this air flow.
- the angular position of each shutter ti about its axis of rotation 1001 in the open position of the shutter ti considered, may be, as non-limiting example, of the order of 90 degrees.
- the flaps 11 that this assembly comprises can take all the intermediate angular positions with respect to their respective axes of rotation, in order to modifying the amount of air passing through the regulator 500 of an air flow and, therefore, of modulating the flow of air A through said regulator 500 of an air flow.
- the axes of rotation 10 oi different flaps 11 of the device 500 of a flow of air, substantially parallel to each other, to the manufacturing tolerances and assembly close, as indicated above, are registered together in a non-planar surface S ', more particularly a curved or curved surface S'.
- the flaps ti, and the panels of the flaps 11, together define a substantially curved surface consisting of a plurality of planar segments corresponding to each flap ti.
- the pins arranged at the ends of the flaps to cooperate with the corresponding plate are arranged so that the centers of these pins define a curved line according to the curvature that takes all the shutters in the closed position.
- each flap ti is substantially plane in its transverse direction Ti
- the aforementioned surface S ' is substantially parallel to the substantially continuous surface S defined above, formed in the closed position of the regulating device 500 of a air flow according to the invention, by all the active surfaces Si previously defined.
- the surface S 'mentioned above may, by way of nonlimiting example, be substantially parallel to the surface formed by the different tangents at the top of the convex form of each shutter ti.
- Such an arrangement has a major difference with sets of movable flaps as known in the state of the art, in which the axes of rotation of the different flaps together define a plane, with tolerances of manufacture and assembly close.
- the arrangement according to the invention allows, in particular, the implantation of the regulation device 500 of an air flow according to the invention in vehicle environments in which, for example, congestion is severely limited.
- Such an arrangement also opens up wide possibilities of design.
- a regulation device 500 of an air flow according to the invention can be placed on the front face of the vehicle, for example at a curved calender of the latter or inside the front compartment. to circumvent constituent elements of this compartment.
- the regulation device 500 of an air flow also comprises a common drive plate 2.
- the common drive plate 2 is a complex part, substantially flat, arranged substantially perpendicularly to the manufacturing and assembly tolerances close to the longitudinal direction L, previously defined, of the regulation device 500 of an air flow, that is to say also substantially perpendicular to the axes of rotation 1001 of the shutters 11 that this set includes.
- the common drive plate 2 is in the general form of an arc having an actuating portion 2a forming a projecting heel a guide portion 2b defining the arc shape.
- the guide portion is substantially concave along its length, its curvature being oriented opposite the actuating portion 2a.
- a curve clearance is provided between the heel of the actuating portion and an end of the arcuate guide portion, here to minimize the size and weight of the device.
- each flap ti of the regulation device 500 of an air flow is bonded, at one of its ends along its longitudinal direction Li defined above, on the one hand to a structural element 5, for example the housing of the cooling unit, to define a fixed axis of rotation of the flap and secondly to the common drive plate 2, to achieve, via this plate, the drive around the fixed point of rotation.
- a movement of the latter simultaneously causes a rotation of each flap ti of the same angular value around its axis of rotation 1001.
- FIG. 2 more particularly illustrates the closed position of a regulation device 500 of an air flow according to the invention
- FIG. 3 more particularly illustrates the open position of such an assembly.
- the common drive plate 2 comprises a main light 25, configured to receive a finger 30 of an actuator 3 for controlling the movements of the common drive plate 2.
- the main light 25 can be arranged in the heel of the actuation portion, previously defined, of the common drive plate 2.
- the finger 30 of the control actuator 3 has a substantially cylindrical shape, and takes an eccentric position so that its axis 300 is parallel to the axis. of rotation 30 of the actuator 3, and substantially perpendicular to manufacturing and assembly tolerances close to the plane of the common drive plate 2.
- the main light 25 has, in the plane of the common drive plate 2, an oblong shape whose largest dimension extends in a main extension direction 250, and whose lateral dimension, which extends, in the plane of the common drive plate 2, in a lateral direction 251 perpendicular to the main extension direction 250 above, is slightly greater than a diameter of the finger 30 of the actuator 3. More precisely , the invention provides that the lateral dimension of the main light 25 is defined so that any movement of the finger 30 of the actuator 3, in the plane of the common drive plate 2, relative to the main light 25, generates a immediate contact against the side edges of the main light 25 tending to push the platen, which generates a rotational movement thereof. In other words, the relative dimensions of the finger 30 and the main light 25 are defined so that the only relative movement that these two elements can have relative to each other is a movement of the finger 30 along the main extension direction 250 of the main light 25, guided by the lateral edges of the latter.
- Each flap comprises on the one hand a finger 121 intended to be mounted in a bearing carried by the structural element, to form a fixed axis of rotation specific to each flap, and on the other hand means for connecting each of the flaps 11 with the common drive plate 2. This connection is made by engaging a pin ni, carried by the flap 11 and separate from the finger, in a corresponding secondary slot 201 arranged on the common drive plate 2.
- each pin and each finger 121 are arranged at the end of the flap 11 by which the latter is connected to the common drive plate 2, substantially in the longitudinal direction Li of this flap, that is, that is to say also in the direction of the axis of rotation 1001 of the flap li considered. More specifically, each pin and each finger 121 form a longitudinal protrusion at the end of the flap li corresponding. According to a particularly advantageous embodiment, but not exclusive, of the invention, these pins and these fingers 121 have a substantially cylindrical shape whose axis is parallel to the longitudinal direction Li above.
- the secondary lights 201 are advantageously arranged in the vicinity of the curved edge of the previously defined guide portion.
- the secondary lights are arranged in the plane of the common drive plate 2, and in series along the curved edge from a first end of the guide portion to a second opposite end. It should be distinguished, as shown in Figures 2 and 3, first secondary lights 211, which have a circular shape of dimensions substantially equal to those of the pins to be housed in these lights, and second secondary lights 221 which have a oblong shape.
- first secondary lights 211 which have a circular shape of dimensions substantially equal to those of the pins to be housed in these lights
- second secondary lights 221 which have a oblong shape.
- a main direction is defined extension 2001, in which extends the largest dimension of the secondary light 201 considered, and a lateral direction 2101, perpendicular, in the plane of the common drive plate 2, the main direction of extension 200i supra .
- each second secondary lumen 221 that is to say the dimension of each second secondary lumen 201 according to its lateral direction 2101 mentioned above, is defined so that the lateral play of the pin nor intended to be engaged in this second secondary light 201 is minimal.
- the lateral dimension of each second secondary lumen 221 is very slightly greater than the diameter of the pin nor intended to be engaged in this secondary light, such that any movement of the common drive plate 2 generates an immediate contact with the pin against the lateral edges of the second secondary light, which contributes to the movement of the shutters simultaneously to the displacement of the plate.
- the relative dimensions n1 and second secondary lights 221 are defined so that the only relative movement a pin can take relative to the second secondary light 201 in which it is engaged is a movement along the main extension direction 2001 of this second secondary light 201, guided by the lateral edges of the latter.
- any rotational movement of the common drive plate 2 about an axis substantially perpendicular to the plane in which it extends generates the drive in rotation, around the same axis, a pion nor engaged in a second secondary light 201 corresponding.
- Such a rotation, leading to a movement of the pion and not only directed in the main direction of extension 2001 of the secondary light 201 considered, will result in the simultaneous combination of a movement of the pawn nor in the main direction of extension 2001 aforementioned, within said second secondary lumen 201, and a rotational movement, about its axis of rotation 1001, the flap 11 corresponding.
- the first secondary lights have a circular shape with dimensions adjusted to those of the corresponding pin to ensure a repeatable movement of the shutters corresponding to the displacement of the common drive plate 2 and the oblong shape of the second secondary lights to manage the game induced by the simultaneous movement of all the shutters.
- the common drive plate 2 comprises at least as many secondary slots 201 that the regulator 500 of an air flow according to the invention comprises shutters ti.
- FIG. 2 illustrates the regulation device 500 of an air flow according to the invention in its closed position, that is to say in the closed position, previously defined, of all the shutters t 1 that make up this assembly.
- the finger 30 of the actuator 3, engaged in the main light 25 defined above is advantageously placed at one of the ends, in the main direction of extension 250 defined above, thereof.
- each peg nor shutters t 1 of the regulation device 500 of an air flow, engaged in a corresponding secondary slot 201 is advantageously placed at one end of this secondary light. 201 according to the main extension direction 2001 of the latter.
- the actuator 3 When the actuator 3 is rotated, by an electric motor 4 not shown in the figures, about the axis of rotation 300 defined above, it drives the finger 30 previously defined in rotation about a center on the actuator, according to a direction of rotation illustrated by the arrow F1 in FIG. 2. It then results from the dimensions, mentioned above, of the finger 30 of the actuator 3 and of the main light 25 arranged in the common drive plate 2 that under the effect of this rotation, the finger 30 rotates the drive plate in the direction of rotation illustrated by the arrow F2, around an instantaneous center of revolution whose theoretical position is inside the curve platinum, pushing against the side edges of the main light.
- the oblong shape of this light allows a movement of the finger between the edges of the main light 25 in the main direction of extension 250 of the latter, to manage the assembly games of the various parts set in motion.
- the rotation of the common drive plate 2 according to the illustrated direction by the arrow F2 is reflected by a rotation in the same direction, illustrated by the arrow F3, secondary lights 201 arranged in the common drive plate 2. It then results from the relative configuration, previously described, pawns and shutters 11 and secondary lights 201 and, in particular, dimensions of these pins relative to the dimensions, in the lateral direction 2101, of each of the secondary slots 201, that the rotational displacement of the common drive plate 2 generates a rotation , in the same direction, each of the aforementioned pins, rotation which results in a rotation, according to the direction of rotation illustrated by the arrow F3, each corresponding flap 11.
- each pion neither of a flap 11 is placed at the end of the secondary light 201 opposite, according to the main direction of extension 2001 defined above, at the end at which this pin is placed when the regulator 500 of an air flow according to the invention is in its closed position.
- the finger 30 of the actuator 3 is placed in an intermediate position in the main lumen 25 between the two ends.
- the finger 30 is disposed at a first end of the main light in the closed position, and that it is disposed at the opposite second end when the finger has rotated 90 °. .
- the open position of the assembly is such that the finger has rotated by an angle of greater than 90 °, and the finger has thus made a partial displacement from the second end that he had reached after the 90 ° rotation.
- FIGS. 2 and 3 show that the main directions of extension 2001 of secondary lights 201 are not parallel to each other, and that secondary lights 201 do not all have the same dimension according to their respective main directions of extension. 2001. These different characteristics are dictated, on the one hand, by the complex shape of the surface S 'formed by all the axes of rotation 1001 of the flaps 11 of the regulation device 500 of an air flow according to the invention and on the other hand, by the will of simultaneous rotation, of the same angular value, flaps 11 during a movement of the common drive plate 2.
- the main light 25 is arranged in the heel forming the actuating portion 2a, previously defined, of the common plate of 2, the secondary lights 201 being arranged along the edge of the guide portion.
- the secondary lights are all located at different distances from the main light 25 of the common drive plate 2 and therefore at different distances from the finger 30 of the actuator 3 and its axis of rotation 300.
- the regulation device 500 of an air flow according to the invention also advantageously comprises a common holding plate, not visible in the figures.
- the common support plate substantially flat, is placed opposite the common drive platen 2 in the longitudinal direction L, previously defined, of the regulator 500 of an air flow according to the invention.
- the common holding plate is connected to each of the flaps 11 of the regulator 500 of an air flow according to the invention, and it is arranged, in the longitudinal direction L above, opposite the end of these flaps by which they are linked to the common drive plate 2.
- the common holding plate comprises a plurality of connection ports 501 each of which is configured to receive a pin of a flap 11.
- Each lug extends substantially longitudinally at the end of the flap 11 of which it is placed.
- each lug has a substantially cylindrical shape whose axis is parallel to manufacturing and assembly tolerances close to the axis of rotation 1001 of the flap 11 considered.
- each connecting slot arranged in the plane of the common holding plate, has an oblong shape.
- a primary direction of extension in which the largest dimension of the connecting light considered, and a lateral direction, perpendicular to the plane of the connection, are defined.
- common holding plate to the aforementioned main direction of extension.
- the common holding plate has a shape similar to that of the common drive plate 2, but the common holding plate is not motorized, that is to say that it is not rotated by an actuator of an electric motor. It is here the shutters 11 of the regulator 500 of an air flow according to the invention which, driven in rotation by the movement of the common drive plate 2, itself driven in rotation by the actuator 3 , in turn, drive the common platen for maintaining rotation substantially parallel to the common drive plate 2, manufacturing tolerances and close assembly.
- the common holding plate therefore ensures, in particular, that the rotational movement of each flap 11 is uniform over the entire dimension, in the longitudinal direction Li of said flap 11, without torsion.
- the common holding plate also contributes to stiffening and reinforcing the regulation device 500 of an air flow according to the invention.
- the regulating device 500 may comprise a frame 10 having bearings in which the flaps are introduced, the frame 10 having a curved profile.
- the shape of the frame 10 viewed from the side is curved.
- the invention achieves the goals it has set for itself, by allowing, by the implementation of the regulation device 500 of an air flow such as has just been described and illustrated, to simply modulate an air flow intended to be conveyed to a cooling unit of a motor vehicle.
- the regulation device 500 of an air flow according to the invention can, in addition, be implanted in an environment with high space constraints.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Air-Flow Control Members (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1851188A FR3077779B1 (fr) | 2018-02-13 | 2018-02-13 | Dispositif de regulation d'un flux d'air pour un module de face avant d'un vehicule automobile |
PCT/FR2019/050240 WO2019158836A2 (fr) | 2018-02-13 | 2019-02-04 | Dispositif de régulation d'un flux d'air pour un module de face avant d'un véhicule automobile |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3752380A2 true EP3752380A2 (fr) | 2020-12-23 |
Family
ID=62528570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19755086.6A Withdrawn EP3752380A2 (fr) | 2018-02-13 | 2019-02-04 | Dispositif de régulation d'un flux d'air pour un module de face avant d'un véhicule automobile |
Country Status (5)
Country | Link |
---|---|
US (1) | US20210023937A1 (fr) |
EP (1) | EP3752380A2 (fr) |
CN (1) | CN111954607A (fr) |
FR (1) | FR3077779B1 (fr) |
WO (1) | WO2019158836A2 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7355669B2 (ja) * | 2020-02-05 | 2023-10-03 | 株式会社アイシン | グリルシャッタ装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3010502B1 (fr) * | 2013-09-09 | 2016-04-29 | Valeo Systemes Thermiques | Volet d'obturation de ventilation pour automobile |
FR3036662B1 (fr) * | 2015-05-29 | 2018-12-07 | Valeo Systemes Thermiques | Panneau de volets et vehicule automobile |
FR3047204B1 (fr) * | 2016-02-03 | 2019-06-14 | Valeo Systemes Thermiques | Systeme de gestion d'entree d'air pour face avant de vehicule automobile |
FR3048645B1 (fr) * | 2016-03-09 | 2019-04-19 | Valeo Systemes Thermiques | Dispositif d'obturation pour face avant muni de volets non plans |
FR3050404B1 (fr) * | 2016-04-22 | 2019-08-02 | Compagnie Plastic Omnium | Dispositif d'ouverture et de fermeture de volets |
-
2018
- 2018-02-13 FR FR1851188A patent/FR3077779B1/fr not_active Expired - Fee Related
-
2019
- 2019-02-04 CN CN201980024630.3A patent/CN111954607A/zh active Pending
- 2019-02-04 EP EP19755086.6A patent/EP3752380A2/fr not_active Withdrawn
- 2019-02-04 US US16/969,717 patent/US20210023937A1/en not_active Abandoned
- 2019-02-04 WO PCT/FR2019/050240 patent/WO2019158836A2/fr unknown
Also Published As
Publication number | Publication date |
---|---|
WO2019158836A3 (fr) | 2020-01-16 |
WO2019158836A2 (fr) | 2019-08-22 |
FR3077779A1 (fr) | 2019-08-16 |
US20210023937A1 (en) | 2021-01-28 |
FR3077779B1 (fr) | 2020-09-11 |
CN111954607A (zh) | 2020-11-17 |
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