[0001] The present invention relates to a vehicle installation structure for arranging at
a vehicle partition panel and which comprises a loudspeaker device. The invention
further relates to a vehicle structure comprising a vehicle partition panel and such
vehicle installation structure, and to a vehicle comprising such vehicle structure.
[0002] In the automotive field, loudspeaker devices are commonly used for providing audio
output to listeners situated in vehicles like cars. A loudspeaker device typically
employs a magnetic driving unit causing a diaphragm connected to a frame of the loudspeaker
device to move back and forth. This vibration creates sound that is produced by the
loudspeaker. The frame is commonly enclosed by a housing of the loudspeaker device.
When the loudspeaker device is a subwoofer, typically an air communication duct connects
an inner space of the housing to an outside space.
[0003] In known arrangements, such loudspeaker device is installed at a vehicle panel (such
as a vehicle body) which has a separate opening to an outside space of the vehicle.
The loudspeaker device comprises a housing including an air volume which is communicated
at a backside of the diaphragm through an air communication duct and the opening with
the outside space of the vehicle. Such arrangement enables the loudspeaker device
to be placed in small locations such as in a vehicle side space adjacent to a vehicle
panel. For connecting the air communication duct to the outside, an opening needs
to be provided in the vehicle panel, which may form part of the vehicle body. Typically,
such opening is a dedicated hole in a vehicle structure, such as a vehicle panel,
which may cause additional noise to enter the vehicle. Further, in a case in which
such loudspeaker device is a customer option, when no loudspeaker device is installed,
a plug or cover needs to cover such hole, which causes additional costs.
[0004] DE 101 44 786 A1 discloses a vehicle which has a loudspeaker for radiating sound waves into the passenger
compartment and an air channel for air conditioning the passenger compartment. The
air channel has an air channel opening facing the passenger compartment. The loudspeaker
is mounted in the air channel so that the sound waves can be radiated through the
air channel opening into the passenger compartment. In this configuration, the back
space of the loudspeaker device is connected to the internal air duct of the air conditioning
system arranged in or adjacent to the dashboard (i.e. after a ventilation system which
introduces the outside air from the outside to the passenger compartment), so that
the reversed back sound enters the passenger compartment through the internal air
duct. This provides the disadvantage that the sound quality deteriorates, particularly
if the loudspeaker device is configured to operate in the subwoofer range.
[0005] EP 2 858 377 A1 discloses an in-car audio system including a speaker unit. A frame of the speaker
unit is fixed to a support plate serving as part of the structural member of a vehicle
via a partition wall member. The support plate has an opening formed therein. A duct
is connected to the opening, and the opening communicates with the outside of the
vehicle. A space surrounded by the speaker unit, the support plate, and a partition
wall member serves as a first acoustic resonance space, and a communication channel
located inside the duct serves as a second acoustic resonance space. The opening is
a dedicated hole in the vehicle partition wall member, which causes additional noise
to enter the vehicle and decreases the strength of the vehicle partition wall member.
[0006] EP 2 941 011 A1 discloses a vehicle installation structure for attaching to a vehicle panel which
comprises an air extraction duct and which is configured to extract air from an inner
space to an outside space of a vehicle. A loudspeaker device is configured to face
a first side of the vehicle panel and comprises a housing and an air communication
duct which is configured to be attached to the vehicle panel and to connect an inner
space of the housing to a space facing a second side of the vehicle panel which is
opposite the first side through an opening in the vehicle panel. A duct part of the
air extraction duct is at a first end acoustically closed at least at a frequency
band at which the loudspeaker device is configured to operate while air is extractable
from the inner space to the outside space through the air extraction duct.
[0007] JP 2012 121455 A discloses an on-board loudspeaker device capable of preventing a decrease in a sound
pressure of a loudspeaker installed on an automobile and relieving a tentative rise
of the air pressure in an inner space of the automobile into a vehicle outside space.
A vehicle duct having a lid is mounted to an inner side panel of the automobile. When
a housing of a loudspeaker device is mounted to the vehicle duct, the lid is pushed
by a pressing part provided on the housing, and an exhaust port is opened. The loudspeaker
and a communicating tube are mounted to the housing. A ventilation regulation part
having a movable valve is provided on the communicating tube. The ventilation regulation
part hardly passes the sound pressure generated from the loudspeaker therethrough,
but when the pressure of an in-vehicle space is temporarily increased, the air passes
through the ventilation regulation part and can be relieved from the inner space of
the housing to the vehicle outside space.
[0008] It is an object of the present invention to provide a vehicle installation structure
including a loudspeaker device which is capable of providing good sound quality while
helping to reduce additional noise to enter the vehicle and not decrease the strength
of a vehicle partition wall member.
[0009] The present invention is related to a vehicle installation structure, a vehicle structure
comprising such vehicle installation structure, and to a vehicle comprising such vehicle
structure according to the features of the appended claims.
[0010] Aspects and embodiments of the invention will now be described with reference to
the drawings, in which
- Fig. 1
- shows a vehicle installation structure comprising an air duct of a vehicle ventilation
system and a loudspeaker device according to the invention,
- Fig. 2
- shows a vehicle installation structure with an air duct and a recirculating air duct
of a vehicle ventilation system and a loudspeaker device according to a further embodiment
of the invention in a first state of operation,
- Fig. 3
- shows a vehicle installation structure with an air duct and a recirculating air duct
of a vehicle ventilation system and a loudspeaker device according to a further embodiment
of the invention in a second state of operation.
[0011] Fig. 1 shows a vehicle installation structure 1 comprising an air duct 4 of a vehicle
ventilation system 2 and a loudspeaker device 20 according to an embodiment of the
invention. According to an embodiment, the vehicle installation structure 1 is configured
to form a part of a vehicle ventilation system 2. Particularly, such vehicle ventilation
system 2 is arranged for introducing fresh outside air from an outside space 100 of
the vehicle to an inside passenger space 200 of the vehicle, and distributing it inside
the passenger space 200, as commonly known in the art. For introducing the outside
air into the passenger space (or passenger compartment) 200 which accommodates the
seats for the driver and passenger(s), such ventilation system 2 comprises at least
one fan 3 (typically in the front part of the vehicle body, e.g. in the dashboard)
operating by rotation of blades blowing the air from the outside to the inside of
the vehicle along one or more air ducts. Nowadays, a ventilation system typically
is, or forms part of, a vehicle air conditioning system. In addition to a conventional
ventilation system, an air conditioning system comprises a heat exchanger (not shown)
by means of which the air moved in the air ducts may be cooled or heated, as is commonly
known, but which is not essential for the purposes of the present invention. In the
present embodiment, the ventilation system 2 is such air conditioning system.
[0012] According to the schematic depiction according to Fig. 1, air duct 4 forms part of
the ventilation system or air conditioning system 2 of the vehicle and is configured
for introducing outside air 10 from the outside space 100 of the vehicle to the passenger
space 200 of the vehicle. The air duct 4 comprises a first terminal 41 coupled to
an opening 51 in a partition panel 50 of the vehicle. For example, the first terminal
41 is attached to the partition panel 50 such that it is connected to the opening
51 for suctioning outside air into the passenger compartment 200. According to another
embodiment, the air duct 4 may be connected to another hollow body which is attached
to the partition panel 50. The partition panel 50 separates the outside space 100
from an inner space 300 of the vehicle which may be, in principle, any space inside
the vehicle body, for example a hollow installation space for any vehicle components
or an inner space inside a dashboard. For example, the partition panel 50 forms an
outer skin portion of the vehicle body. In an embodiment, it may be a partition panel
separating the cabin from the outside of the vehicle. An outside space of the vehicle
as described herein may encompass, in principle, any space outside the passenger compartment
which has access to air outside of the vehicle body (such as the engine compartment
which typically is open to the outside at its bottom) and which may be used by the
ventilation or air conditioning system for air suctioning of outside air from it into
the passenger compartment through an opening in a vehicle partition panel. For instance,
the partition panel 50 may be a part of a multilayer panel structure with two side
portions and a hollow space included in between the side portions, wherein the panel
50 as shown in Fig. 1 may form any of the side portions, i.e. an inner side (or skin)
portion or an outer side (or skin) portion of such multiple layer panel structure.
[0013] The air duct 4 further comprises a second terminal 42 for coupling to a fan 3. The
fan 3 causes the outside air 10 to flow from the outside space 100 of the vehicle
to the inside passenger space 200 of the vehicle. For example, the air duct 4 houses
the fan 3, such that the fan 3 is positioned inside the air duct 4 at the second terminal
42. For instance, the air duct 4 may be any hollow body (such as a circular or rectangular
body, e.g. a tube) having a fan located therein at a particular position which is
designated herein as the second terminal of the air duct. According to another embodiment,
the air duct 4 may be a hollow body (such as a circular or rectangular body, e.g.
a tube) having the second terminal 42 located at a position which is remote from the
first terminal 41, wherein the second terminal 42 is coupled, e.g. connected, to another
hollow body which houses or is connected to the fan 3. In principle, the air duct
4 between the first terminal 41 and second terminal 42 can be any structure which
spans a hollow extension between a first location (first terminal 41) and a second
location (second terminal 42) and which is appropriate for transporting an air flow
in it along the hollow extension. With respect to the air flow of the outside air
10, the first terminal 41 is upstream of the second terminal 42. The air duct 4 is
an air duct external to the passenger compartment 200. Particularly, it is an air
duct which is upstream of the fan 3.
[0014] According to an embodiment, the air duct 4 forms part of the air conditioning system
2 of the vehicle and may be integrally formed with, or forms part of, a box (so-called
climate box) of the air conditioning system 2 for accommodating the fan 3. As such,
the air duct 4 has the function of a conventional air duct for introducing outside
air which is commonly installed in vehicles. The opening 51 may be formed as commonly
known in vehicle ventilation or air conditioning systems. For example, it has a cover
on the outside (not shown) for preventing particles from entering into the air duct
4 and the fan 3. In the present embodiment, when installed in the vehicle structure
of a vehicle, the vehicle installation structure 1, particularly the air duct 4, is
attached to the vehicle panel 50 or otherwise fixed with respect to the vehicle panel
50.
[0015] The vehicle installation structure 1 further comprises a loudspeaker device 20. The
loudspeaker device 20 may be a commonly available loudspeaker device and comprises
a magnetic driving unit (so-called driver) 22 and a frame 24 connected to the magnetic
driving unit 22. A housing 21 surrounds and encloses at least a part of the frame
24, to which a diaphragm 23 is attached which is operated by the magnetic driving
unit 22 for emitting sound 5 to the inside passenger space 200 of the vehicle from
a first side 231 of the diaphragm 23 in accordance with the operation of the magnetic
driving unit 22. In the present embodiment, the diaphragm 23 has a cone shape and
is supported by an outer circumferential portion of the frame 24, wherein the concave
side of the diaphragm 23 forms the first side 231 of the diaphragm. The housing 21
surrounds a second side 232 (here: back side 232) of the diaphragm 23 which is opposite
the first side 231 (here: front side 231) from which the sound 5 is emitted.
[0016] The diaphragm 23 delimits an inner space 26 of the housing 21 forming an air volume
chamber or back chamber facing the back side 232 of the diaphragm 23. The back chamber
26 is communicating air to the outside of the housing 21 in accordance with the operation
of the magnetic driving unit 22.
[0017] To this end, the loudspeaker device 20 comprises a communication channel 25 which
is configured to allow the back chamber 26 of the housing 21 to communicate with the
outside space 100 of the vehicle. The communication channel 25 of the loudspeaker
device 20 is connected to the air duct 4 between the first terminal 41 and second
terminal 42, i.e. between the opening 51 of the partition panel 50 and the fan 3.
[0018] The loudspeaker device 20 can thus be arranged closely to the opening 51 of the air
conditioning system 2 to the outside of the vehicle and is connected to the duct system
of the air conditioning system. The acoustical impedance of the loudspeaker device
20 from the port of the air communication channel 25 to the outside is thus quite
low because the port may be arranged quite close at the opening 51 to the outside
of the vehicle. While the front side 231 of the diaphragm 23 emits sound into the
passenger compartment 200 of the vehicle, the acoustical impedance from the front
side 231 of the loudspeaker device to the port of the air communication channel 25
at the air duct 4 is quite high, since for the emitted sound waves 5 the extension
of the duct system including the fan 3 of the air conditioning system 2 from the passenger
compartment 200 back to the port of the air communication channel 25 is quite long.
Thus, a high amount of reversed back sound 6 is emitted through the opening 51 in
the vehicle partition panel 50 to the outside space 100. As such, there is formed
a baffle structure in order to prevent the interference between sound waves 5 radiating
from the sound radiating side 231 of the diaphragm 23 to the passenger compartment
200 and opposite-phase sound waves 6 radiating from the opposite side 232 of the diaphragm
23. As a result, this provides good sound quality, especially when the diaphragm 23
vibrates at a frequency in a sub-woofer frequency range (e.g., at a frequency below
200 Hz).
[0019] Fig. 2 shows a vehicle installation structure with an air duct and a recirculating
air duct of a vehicle ventilation system and a loudspeaker device according to a further
embodiment of the invention. The vehicle installation structure is in most parts similar
to the structure according to the embodiment of Fig. 1, so that the same or similar
components thereof have the same reference signs and are not described again. In this
respect, it is referred to the above description.
[0020] In addition to the structure as described with reference to Fig. 1, the structure
according to Fig. 2 comprises a recirculating air duct 7 which is connected to the
air duct 4 at a third terminal 43 which is arranged between the first terminal 41
and the second terminal 42 as described above. A first gating device 31 is disposed
in the air duct 4 between the first terminal 41 and the third terminal 43 at the port
of the recirculating air duct 7, and is provided for regulating an air flow in the
air duct 4 between a closed position and an open position. In the closed position,
the first gating device 31 prevents air to flow in the air duct 4. In the open position,
the first gating device 31 enables air to flow in the air duct 4. There may also be
intermediate positions in which the air flow can be reduced continuously and/or in
steps. For example, the first gating device is any one of a regulating valve, variable
blades, flaps, or throttle as commonly used in such automotive ventilation systems
for regulating air flow in an air duct.
[0021] Moreover, there is provided a second gating device 32 disposed in the recirculating
air duct 7 for regulating an air flow in the recirculating air duct 7 between a closed
position preventing air to flow in the recirculating air duct 7 and an open position
enabling air to flow in the recirculating air duct 7. Similarly, there may also be
intermediate positions in which the air flow in the recirculating air duct 7 can be
reduced continuously and/or in steps. The second gating device may be implemented
similarly as the first gating device. The communication channel 25 of the loudspeaker
device 20 is connected to the air duct 4 between the first terminal 41 and the first
gating device 31.
[0022] With provision of the first and second gating devices, the user and/or the air conditioning
system 2 itself may switch between introducing fresh air into the passenger compartment
200 or recirculating of air within the passenger compartment 200, or regulate any
states in between, that is partial fresh air and recirculating operation at the same
time.
[0023] The structure according to Fig. 2 is shown in a first state of operation in which
the first gating device 31 is in open position and the second gating device is in
closed position. That is, in this operation state, fresh air 10 is introduced into
the passenger compartment 200. In this operation state, from sound perspective the
behaviour and sound quality is similar to that according to the embodiment of Fig.
1 since the recirculating air duct 7 is closed for the opposite-phase sound waves
6. For closed gating device 32, the only connection from the front side 231 of the
diaphragm 23 to the port of the communication channel 25 is through the long air ducts
of the air conditioning system 2. The fan 3 and the long air ducts function as silencer,
and noise and reversed back sound are almost vanished.
[0024] The structure according to Fig. 3, which has the same components as the structure
according to Fig. 2, is shown in a second state of operation in which the first gating
device 31 is in closed position and the second gating device is in open position.
That is, in this operation state, fresh air 10 is prevented from being introduced
into the passenger compartment 200, and the air in the passenger compartment 200 is
recirculated through duct 7. In this operation state, from sound perspective the gating
device 31 is in closed position and acts as a shutter preventing the reversed back
sound 6 from entering into the passenger compartment 200 through the air duct 4. In
addition, since the first gating device 31 is closed, there is no connection for emitted
sound waves between the front side 231 of the diaphragm 23 and the port of the air
communication channel 25.
[0025] For mixed (fresh air and recircular) ventilation operation (not shown), both gating
devices 31, 32 will be partially open. There will be a connection for emitted sound
waves between the front side 231 of the diaphragm 23 and the port of the air communication
channel 25. The front side 231 of the diaphragm 23 emits sound into the passenger
compartment 200 and through the partially open gating devices 31, 32 back to the port
of the air communication channel 25. There may potentially be some influence, but
it is possible to minimize it with varying the length of at least some of the air
ducts of the air conditioning system 2, so that the fan 3 and the length of the air
ducts increase the acoustical impedance and function as silencer, and noise and influence
of reversed back sound are reduced.
1. A vehicle installation structure (1), comprising
- an air duct (4) configured to form part of a ventilation system (2) of a vehicle
for introducing outside air (10) from an outside space (100) of the vehicle to an
inside passenger space (200) of the vehicle,
- the air duct (4) comprising a first terminal (41) adapted to couple to an opening
(51) in a partition panel (50) of the vehicle which separates the outside space (100)
from an inner space (300) of the vehicle,
- a fan (3) causing the outside air (10) to flow from the outside space (100) of the
vehicle to the inside passenger space (200) of the vehicle,
- the air duct (4) comprising a second terminal (42) which is coupled to the fan (3),
- a loudspeaker device (20) comprising a driver (22) and a diaphragm (23), and which
is configured to emit sound (5) towards the passenger space (200) of the vehicle from
a first side (231) of the diaphragm (23),
- the loudspeaker device (20) further comprising a housing (21) surrounding a second
side (232) of the diaphragm (23) opposite the first side (231) and a communication
channel (25) which is configured to allow a back chamber (26) of the housing (21)
facing the second side (232) of the diaphragm (23) to communicate with the outside
space (100) of the vehicle,
- wherein the communication channel (25) of the loudspeaker device (20) is connected
to the air duct (4) between the first terminal (41) and the second terminal (42).
2. The vehicle installation structure according to claim 1, wherein the air duct (4)
is configured to form part of an air conditioning system (2) of the vehicle.
3. The vehicle installation structure according to claim 1 or 2, further comprising a
box of the ventilation system (2) for accommodating the fan (3), wherein the air duct
(4) is integrally formed with, or forms part of, the box.
4. The vehicle installation structure according to one of claims 1 to 3, further comprising,
- a recirculating air duct (7) connected to the air duct (4) at a third terminal (43)
which is arranged between the first terminal (41) and the second terminal (42),
- a first gating device (31) for regulating an air flow in the air duct (4) between
a closed position preventing air to flow in the air duct (4) and an open position
enabling air to flow in the air duct (4), the first gating device (31) disposed in
the air duct (4) between the first terminal (41) and the third terminal (43),
- a second gating device (32) disposed in the recirculating air duct (7) for regulating
an air flow in the recirculating air duct (7) between a closed position preventing
air to flow in the recirculating air duct (7) and an open position enabling air to
flow in the recirculating air duct (7),
- the communication channel (25) of the loudspeaker device (20) is connected to the
air duct (4) between the first terminal (41) and the first gating device (31).
5. The vehicle installation structure according to one of claims 1 to 4, wherein the
diaphragm (23) has a cone shape and is supported by an outer circumferential portion
of a frame (24), wherein the concave side of the diaphragm (23) forms the first side
(231) of the diaphragm.
6. The vehicle installation structure according to one of claims 1 to 5, wherein the
loudspeaker device (20) is configured such that the diaphragm (23) vibrates at a frequency
in a sub-woofer frequency range.
7. A vehicle structure comprising a vehicle partition panel (50), and a vehicle installation
structure (1) according to any of the preceding claims, wherein the air duct (4) is
arranged to introduce outside air (10) from the outside space (100) of the vehicle
to the inside passenger space (200) of the vehicle through an opening (51) in the
vehicle partition panel (50).
8. The vehicle structure according to claim 7, wherein the vehicle partition panel (50)
forms an outer skin portion of a vehicle body.
9. A vehicle comprising a vehicle structure according to one of claims 7 to 8.
10. The vehicle according to claim 9, further comprising a vehicle compartment in front
of the passenger space (200) of the vehicle and comprising a dashboard, wherein the
air duct (4) is positioned in the vehicle compartment, in a part of the vehicle beneath
or in front of the dashboard, or in the dashboard.
1. Fahrzeuginstallationsstruktur (1), aufweisend
- einen Luftkanal (4), der dazu ausgebildet ist, Teil eines Belüftungssystems (2)
eines Fahrzeugs zu bilden, um Außenluft (10) von einem Außenraum (100) des Fahrzeugs
in einen inneren Fahrgastraum (200) des Fahrzeugs einzuleiten,
- wobei der Luftkanal (4) einen ersten Anschluss (41) aufweist, der zur Kopplung mit
einer Öffnung (51) in einer Trennwand (50) des Fahrzeugs ausgebildet ist, die den
Außenraum (100) von einem Innenraum (300) des Fahrzeugs trennt,
- einen Lüfter (3), der die Außenluft (10) von dem Außenraum (100) des Fahrzeugs in
den inneren Fahrgastraum (200) des Fahrzeugs strömen lässt,
- wobei der Luftkanal (4) einen mit dem Lüfter (3) gekoppelten zweiten Anschluss (42)
aufweist,
- eine Lautsprechervorrichtung (20), die einen Treiber (22) und eine Membran (23)
aufweist und dazu ausgebildet ist, Schall (5) von einer ersten Seite (231) der Membran
(23) in Richtung auf den Fahrgastraum (200) des Fahrzeugs abzugeben,
- wobei die Lautsprechervorrichtung (20) ferner ein Gehäuse (21) aufweist, das eine
zweite Seite (232) der Membran (23) gegenüber der ersten Seite (231) umgibt, sowie
einen Kommunikationskanal (25) aufweist, der dazu ausgebildet ist, dass eine der zweiten
Seite (232) der Membran (23) zugewandte rückwärtige Kammer (26) des Gehäuses (21)
mit dem Außenraum (100) des Fahrzeugs kommunizieren kann,
- wobei der Kommunikationskanal (25) der Lautsprechervorrichtung (20) zwischen dem
ersten Anschluss (41) und dem zweiten Anschluss (42) mit dem Luftkanal (4) verbunden
ist.
2. Fahrzeuginstallationsstruktur nach Anspruch 1,
wobei der Luftkanal (4) dazu ausgebildet ist, Teil eines Klimaanlagensystems (2) des
Fahrzeugs zu bilden.
3. Fahrzeuginstallationsstruktur nach Anspruch 1 oder 2,
die ferner Kasten des Belüftungssystems (2) zur Unterbringung des Lüfters (3) aufweist,
wobei der Luftkanal (4) mit dem Kasten in integraler Weise ausgebildet ist oder einen
Teil davon bildet.
4. Fahrzeuginstallationsstruktur nach einem der Ansprüche 1 bis 3,
weiterhin aufweisend
- einen Rezirkulationsluftkanal (7), der mit dem Luftkanal (4) an einem dritten Anschluss
(43) verbunden ist, der zwischen dem ersten Anschluss (41) und dem zweiten Anschluss
(42) angeordnet ist,
- eine erste Absperrvorrichtung (31) zum Regulieren eines Luftstroms in dem Luftkanal
(4) zwischen einer geschlossenen Position, die verhindert, dass Luft in dem Luftkanal
(4) strömt, und einer offenen Position, die das Strömen von Luft in dem Luftkanal
(4) ermöglicht, wobei die erste Absperrvorrichtung (31) in dem Luftkanal (4) zwischen
dem ersten Anschluss (41) und dem dritten Anschluss (43) angeordnet ist,
- eine in dem Rezirkulationsluftkanal (7) angeordnete zweite Absperrvorrichtung (32)
zum Regulieren eines Luftstroms in dem Rezirkulationsluftkanal (7) zwischen einer
geschlossenen Position, die verhindert, dass Luft in dem Rezirkulationsluftkanal (7)
strömt, und einer offenen Position, die das Strömen von Luft in dem Rezirkulationsluftkanal
(7) ermöglicht,
- wobei der Kommunikationskanal (25) der Lautsprechervorrichtung (20) zwischen dem
ersten Anschluss (41) und der ersten Absperrvorrichtung (31) mit dem Luftkanal (4)
verbunden ist.
5. Fahrzeuginstallationsstruktur nach einem der Ansprüche 1 bis 4,
wobei die Membran (23) eine Kegelform aufweist und von einem Außenumfangsbereich eines
Rahmens (24) abgestützt wird, wobei die konkave Seite der Membran (23) die erste Seite
(231) der Membran bildet.
6. Fahrzeuginstallationsstruktur nach einem der Ansprüche 1 bis 5,
wobei die Lautsprechervorrichtung (20) derart ausgebildet ist, dass die Membran (23)
mit einer Frequenz in einem Subwoofer-Frequenzbereich schwingt.
7. Fahrzeugstruktur mit einer Fahrzeugtrennwand (50) und einer Fahrzeuginstallationsstruktur
(1) nach einem der vorhergehenden Ansprüche, wobei der Luftkanal (4) dazu ausgebildet
ist, Außenluft (10) von dem Außenraum (100) des Fahrzeugs durch eine Öffnung (51)
in der Fahrzeugtrennwand (50) in den inneren Fahrgastraum (200) des Fahrzeugs einzuleiten.
8. Fahrzeugstruktur nach Anspruch 7,
wobei die Fahrzeugtrennwand (50) einen Außenhautbereich einer Fahrzeugkarosserie bildet.
9. Fahrzeug mit einer Fahrzeugstruktur nach einem der Ansprüche 7 bis 8.
10. Fahrzeug nach Anspruch 9,
das ferner einen Fahrzeugraum vor dem Fahrgastraum (200) des Fahrzeugs aufweist sowie
ein Armaturenbrett aufweist, wobei der Luftkanal (4) in dem Fahrzeugraum, in einem
Teil des Fahrzeugs unter oder vor dem Armaturenbrett oder in dem Armaturenbrett angeordnet
ist.
1. Structure de montage (1) destinée à un véhicule, comprenant :
- un conduit pour l'air (4) configuré pour faire partie d'un système de ventilation
(2) d'un véhicule destiné à introduire de l'air extérieur (10) à partir d'un espace
extérieur (100) du véhicule jusqu'à un espace intérieur (200) du véhicule, réservé
aux passagers ;
- le conduit pour l'air (4) comprenant une première extrémité (41) conçue pour son
accouplement à une ouverture (51) dans une paroi de séparation (50) du véhicule, qui
sépare l'espace extérieur (100) d'un espace interne (300) du véhicule ;
- un ventilateur (3) faisant en sorte que l'air extérieur (10) s'écoule à partir de
l'espace extérieur (100) du véhicule jusqu'à l'espace intérieur (200) du véhicule,
réservé aux passagers ;
- le conduit pour l'air (4) comprenant une deuxième extrémité (42) qui est couplée
au ventilateur (3) ;
- un dispositif (20) faisant office de haut-parleur comprenant une commande (22) et
un diaphragme (23), et qui est configuré pour émettre un son (5) en direction de l'espace
intérieur (200) du véhicule, réservé aux passagers à partir d'un premier côté (231)
du diaphragme (23) ;
- le dispositif (20) faisant office de haut-parleur comprenant en outre un logement
(21) qui entoure un deuxième côté (232) du diaphragme (23) à l'opposé du premier côté
(231) et un canal de communication (25) qui est configuré pour permettre à une chambre
arrière (26) du logement (21) opposée au deuxième côté (232) du diaphragme (23) de
communiquer avec l'espace extérieur (100) du véhicule ;
- dans laquelle le canal de communication (25) du dispositif (20) faisant office de
haut-parleur est relié au conduit pour l'air (4) entre la première extrémité (41)
et la deuxième extrémité (42).
2. Structure de montage destinée à un véhicule selon la revendication 1, dans laquelle
le conduit pour l'air (4) est configuré pour faire partie d'un système de conditionnement
de l'air (2) du véhicule.
3. Structure de montage destinée à un véhicule selon la revendication 1 ou 2, comprenant
en outre un boîtier du système de ventilation (2) pour que vienne s'y loger le ventilateur
(3) ; dans laquelle le conduit pour l'air (4) est réalisé en une seule pièce avec
le boîtier ou fait partie de ce dernier.
4. Structure de montage destinée à un véhicule selon l'une quelconque des revendications
1 à 3, comprenant en outre
- un conduit pour l'air de remise en circulation (7) relié au conduit pour l'air (4)
à une troisième extrémité (43) qui est disposée entre la première extrémité (41) et
la deuxième extrémité (42) ;
- un premier dispositif de déclenchement (31) destiné à réguler un écoulement d'air
dans le conduit pour l'air (4) entre une position fermée qui empêche l'air de s'écouler
dans le conduit pour l'air (4) et une position ouverte qui permet à l'air de s'écouler
dans le conduit pour l'air (4), le premier dispositif de déclenchement (31) étant
disposé dans le conduit pour l'air (4) entre la première extrémité (41) et la troisième
extrémité (43) ;
- un deuxième dispositif de déclenchement (32) disposé dans le conduit pour l'air
de remise en circulation (7) destiné à réguler un écoulement d'air dans le conduit
pour l'air de remise en circulation (7) entre une position fermée qui empêche l'air
de s'écouler dans le conduit pour l'air de remise en circulation (7) et une position
ouverte qui permet à l'air de s'écouler dans le conduit pour l'air de remise en circulation
(7) ;
- le canal de communication (25) du dispositif (20) faisant office de haut-parleur
est relié au conduit pour l'air (4) entre la première extrémité (41) et le premier
dispositif de déclenchement (31).
5. Structure de montage destinée à un véhicule selon l'une quelconque des revendications
1 à 4, dans laquelle le diaphragme (23) possède une configuration en forme de cône
et est supporté par une portion circonférentielle externe d'un cadre (24) ; dans laquelle
le côté concave du diaphragme (23) forme le premier côté (231) du diaphragme.
6. Structure de montage destinée à un véhicule selon l'une quelconque des revendications
1 à 5, dans laquelle le dispositif (20) faisant office de haut-parleur est configuré
d'une manière telle que le diaphragme (23) vibre à une fréquence qui se situe dans
une plage de très basses fréquences.
7. Structure pour un véhicule comprenant une paroi de séparation de véhicule (50) et
une structure de montage (1) destinée à un véhicule selon l'une quelconque des revendications
précédentes, dans laquelle le conduit pour l'air (4) est conçu pour introduire de
l'air extérieur (10) à partir de l'espace extérieur (100) du véhicule jusqu'à l'espace
intérieur (200) du véhicule, réservé aux passagers en passant par une ouverture (51)
pratiquée dans la paroi de séparation de véhicule (50).
8. Structure pour un véhicule selon la revendication 7, dans laquelle la paroi de séparation
de véhicule (50) forme une portion d'une carrosserie d'un véhicule, faisant office
d'enveloppe externe.
9. Véhicule comprenant une structure pour un véhicule selon l'une quelconque des revendications
7 à 8.
10. Véhicule selon la revendication 9, comprenant en outre un compartiment de véhicule
à l'avant de l'espace du véhicule (200) réservée aux passagers et comprenant un tableau
de bord ; dans lequel le conduit pour l'air (4) est disposé dans le compartiment de
véhicule, dans une partie du véhicule située en dessous ou à l'avant du tableau de
bord ou encore dans le tableau de bord.