Motor vehicle having roof ventilation device with lateral roof ventilation channel and ventilation device
By designing the U-shaped air distribution channel and lateral ventilation channel of the roof ventilation equipment in motor vehicles, combined with the ventilation device, the problems of low ceiling height and insufficient ventilation system in glass roof vehicles are solved, and the vehicle is achieved Effective cooling of the inner room.
Patent Information
- Application Number
- CN202380037963.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2022-05-03
- Filing Date
- 2023-04-25
- Publication Date
- 2024-12-13
AI Technical Summary
Existing ventilation systems are not suitable for motor vehicles with lower ceiling heights and/or partial or full glass roofs, because there is insufficient structural space for ventilation passages in these vehicles to effectively cool the interior of the vehicle.
A roof ventilation device is designed, and the air distribution channel contained above the rear window glass is connected to the side-extending roof ventilation channel. It adopts a U-shaped design, and air is sucked from the interior chamber of the vehicle through a ventilation device and transported to the vehicle. In the top ventilation passage, air inlets are provided in the roof ventilation equipment to optimize air flow, ensuring that cooling air can be sucked in the top cover direction and guided to the side ventilation passage.
This design is not only suitable for vehicles with low ceiling heights, but also enables effective cooling in vehicles with glass roofs. Through the integration of lateral ventilation channels and air distribution channels, a cooling solution for panoramic glass roofs is provided to ensure that The interior of the vehicle can be fully cooled when sunlight is exposed to.
Smart Images
Figure CN119137002A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to a motor vehicle having a vehicle interior, a vehicle roof and a ventilation system, wherein the ventilation system comprises: an air conditioning device arranged in a front area of the motor vehicle, the air conditioning device having at least one outlet arranged in the front area for conditioned air to enter the vehicle interior; and a roof ventilation device having at least one roof-side air inlet and a laterally extending roof ventilation duct. Background Art
[0002] For example, DE 102 11 927 A1 discloses a motor vehicle with lateral roof ventilation ducts. DE 10 2014 011 834 A1 discloses another roof ventilation device for a motor vehicle without lateral ventilation ducts. DE 100 14 203 A1 shows a motor vehicle with a plurality of air conditioners.
[0003] The ventilation systems known to date have been found to be unsuitable for use in motor vehicles with low roof heights and / or partially or completely glass roofs. This is because, on the one hand, in vehicles with low roof heights, there is little structural space available for ventilation ducts in the vehicle roof, and in the case of glass roofs, in particular completely panoramic glass roofs, there is no structural space available. Summary of the invention
[0004] The object of the present invention is to provide a motor vehicle with a ventilation system in which the above-mentioned disadvantages can be avoided.
[0005] This object is achieved by the features of the independent claim. Advantageous embodiments with expedient developments are given in the dependent claims.
[0006] That is, a motor vehicle is proposed, which has a vehicle interior, a vehicle roof and a ventilation system, wherein the ventilation system has: an air conditioning device arranged in the front area of the motor vehicle, the air conditioning device having at least one outlet arranged in the front area for conditioned air to enter the vehicle interior; and a roof ventilation device, the roof ventilation device having at least one roof-side air inlet and a laterally extending roof ventilation duct. It is provided that the roof ventilation device has an air distribution duct arranged above the rear window in the rear area of the motor vehicle, the air distribution duct extends substantially in the width direction of the motor vehicle and is connected to the laterally extending roof ventilation duct, wherein the air inlet of the roof ventilation device is arranged in the air distribution duct, wherein an air exchange device is arranged in the air distribution duct for each laterally extending roof ventilation duct, and the air exchange device is provided for sucking in conditioned air from the vehicle interior and conveying it to the lateral roof ventilation duct.
[0007] Together with the air distribution duct and the lateral roof ventilation ducts, the roof vent has a U-shaped design, so that in particular no air guide ducts are provided in the region of the vehicle roof, so that the roof vent can be used not only in vehicles with a low roof height but also in vehicles with a (partial) glass roof. Thus, when cooling the interior of the motor vehicle, the conditioned (cooled) air blown in the direction of the roof can be sucked in at the intake opening in the rear upper region of the motor vehicle and guided to the lateral roof ventilation ducts. As a result, the cooling of the motor vehicle can be optimized.
[0008] In motor vehicles, the vehicle roof can be designed at least partially as a glass roof, in particular a sliding glass roof and / or a panoramic glass roof. A panoramic glass roof, which is usually designed as a full surface, can also be designed in multiple parts, in particular with movable and non-movable glass roof parts, so that a sliding roof function can also be integrated into the panoramic glass roof.
[0009] In a motor vehicle, the lateral roof ventilation ducts can have air outlets from which the conditioned air fed into the lateral roof ventilation ducts escapes along the side windows of the motor vehicle. Thus, a (cold) air curtain can be formed along the lateral areas of the motor vehicle, in particular the side windows and doors, close to the wall or close to the window.
[0010] In a motor vehicle, lateral roof ventilation ducts and / or air distribution ducts can be integrated into the roof trim of the vehicle roof. The air distribution ducts can also be integrated into the rear roof frame trim.
[0011] In a motor vehicle, an outlet for conditioned air into the vehicle interior arranged in the front region, based on the vehicle width, can be arranged substantially centrally below the windshield of the motor vehicle in order to generate a central air flow in the motor vehicle. Here, the central air flow can be directed backwards along the windshield and the roof in the central or middle region of the motor vehicle, in particular between the vehicle seats. This makes it possible, for example, to achieve sufficient cooling even when the sun shines, in the case of a glass roof.
[0012] In a motor vehicle, the air inlet opening can be arranged substantially centrally on the air distribution channel, based on the vehicle width, so that the air inlet opening is located in the region of the central air flow generated by the air conditioning system. This improves the intake of conditioned, in particular cooled, air and its distribution to the sides, particularly in combination with a substantially central conditioned air outlet in the front region.
[0013] In a motor vehicle, the ventilation device of the air conditioning system and the roof ventilator can be controlled and operated independently of one another. In particular, the ventilation device can be switched on and off manually or automatically. This can be done, for example, as a function of measured temperatures, such as the ambient temperature, the interior temperature, etc. It is also conceivable to take into account the occupancy of the motor vehicle, in particular the seat position of a person. In general, the ventilation device of the roof ventilator can also be said to be self-sufficient relative to the other components of the entire ventilation system of the motor vehicle.
[0014] In a motor vehicle, the flow connection between the air conditioning system and the roof ventilator for the conditioned air can be established only through the vehicle interior. This is achieved in particular by the design of the central air flow already described above. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Further advantages and details of the invention will be found in the following description of an embodiment with reference to the sole accompanying drawing. In the drawing:
[0016] Figure 1 A motor vehicle having a ventilation system with a roof ventilator is shown schematically and in a simplified plan view. DETAILED DESCRIPTION
[0017] exist Figure 1 1 shows a motor vehicle 10 schematically and in a simplified top view. The motor vehicle 10 has a vehicle interior 12. The vehicle interior 12 is surrounded in a known manner by side doors 14, side windows 16, a front window 18 and a rear window 20. The vehicle interior 12 is delimited upward by a vehicle roof 22. The vehicle roof 22 can be designed at least partially as a glass roof 22a, which is particularly advantageous in the case of a vehicle interior 12 having a plurality of side doors 14, a side window 16, a front window 18 and a rear window 20. Figure 1 In particular, the glass roof 22a can be designed as a sliding glass roof and / or a substantially full-face panoramic glass roof.
[0018] The motor vehicle 10 comprises a ventilation system 24. The ventilation system 24 comprises an air conditioning device 26 arranged in the front region FB of the motor vehicle 10, the air conditioning device having at least one outlet 28 arranged in the front region FB for conditioned air KL to enter the vehicle interior 12, a roof ventilator having at least one roof-side air inlet 32 and a laterally extending roof ventilation duct 34.
[0019] The roof ventilator 30 has an air distribution channel 36 arranged above the rear window 20 in the rear area HB of the motor vehicle 10, and the air distribution channel extends substantially in the width direction Y of the motor vehicle 10. The air distribution channel 36 is connected to the roof ventilation channel 34 extending laterally. The air inlet 32 of the roof ventilator 30 is arranged in the air distribution channel 36. In the air distribution channel 36 or in the transition from the air distribution channel 36 to the corresponding roof ventilation channel 34, an air exchange device 38 is arranged for each laterally extending roof ventilation channel 34. The air exchange device 38 is particularly configured to suck in conditioned air KL from the vehicle interior 12 and convey it to the lateral roof ventilation channel 34.
[0020] The lateral roof ventilation duct 34 has an air outlet opening 40 , from which the conditioned air KL supplied into the lateral roof ventilation duct 34 escapes downward along the side windows 16 of the motor vehicle 12 .
[0021] Together with the air distribution duct 36 and the lateral roof ventilation ducts 34, the roof ventilator 30 has a U-shaped design, so that in particular no air guide ducts are provided in the region of the vehicle roof 22. As a result, the roof ventilator 30 can be used not only in vehicles with a low roof height, but also in vehicles with a (partial) glass roof 22a. As a result, when cooling the vehicle interior 12 of the motor vehicle 10, the conditioned (cooled) air KL blown in the direction of the roof 22, 22a can be sucked in at the intake opening 32 in the rear upper region of the motor vehicle 10 and guided to the lateral roof ventilation ducts 34. As a result, the cooling of the motor vehicle 10 can be optimized.
[0022] The lateral roof ventilation ducts 34 and / or the air distribution ducts 36 can be integrated in the headliner trim (not shown here) of the vehicle roof 22. The air distribution ducts 36 can also be integrated in the rear roof frame trim (not shown).
[0023] The outlet 28 for conditioned air KL into the vehicle interior 12, which is arranged in the front region FB and is based on the vehicle width BR, is arranged essentially centrally below the windshield 18 of the motor vehicle 10 in order to generate a central air flow (indicated by the parallel arrows KL) in the motor vehicle 10. The outlet 28 is arranged in particular on the upper side 42 of a front trim 44 for the vehicle cockpit.
[0024] The air inlet 32 of the air distribution channel 36 in the rear region is arranged essentially centrally on the air distribution channel 36 relative to the vehicle width BR so that it is located in the region of the central air flow (indicated by parallel arrows KL) generated by the air conditioning device 26 .
[0025] Here, the central air flow (indicated by the parallel arrows KL) can be directed backwards along the windshield 18 and the roof 22, 22a in the center or middle area of the motor vehicle 10, in particular between the vehicle seats (not shown). As a result, for example, in the case of a glass roof 22a, sufficient cooling can also be achieved when the sun shines.
[0026] The motor vehicle 10 comprises a control device 46, which is shown simplified as a rectangle, and is provided for controlling and operating the ventilation device 38 of the air conditioning system 26 and the roof ventilator 30 independently of one another. The ventilation device 38 can be switched on or off manually or automatically. This can be done, for example, as a function of measured temperatures, such as the ambient temperature, the interior temperature, etc. It is also conceivable to take into account the occupancy of the motor vehicle 10, in particular which position or seat a person is sitting in. For example, when no passengers are transported in the rear row of the motor vehicle 10, the ventilation device can be inoperative or switched off.
[0027] In the motor vehicle 10 , the flow connection for conditioned air KL between the air conditioning system 26 or the outlet 28 and the roof ventilator 30 is established exclusively via the vehicle interior 12 .
Claims
1. A motor vehicle (10), comprising: The interior of the vehicle (12), The vehicle roof (22) and A ventilation system (24), wherein The ventilation system (24) has: an air conditioning system (26) arranged in the front region (FB) of the motor vehicle (10), the air conditioning system having at least one outlet (28) arranged in the front region (FB) for letting conditioned air (KL) into the vehicle interior (12), a roof ventilator (30) having at least one roof-side air inlet (32) and a laterally extending roof vent duct (34), It is characterized in that A roof ventilation device (30) has an air distribution channel (36) arranged above a rear window glass (20) in a rear area (HB) of a motor vehicle (10), the air distribution channel extending substantially in a width direction (Y) of the motor vehicle (10) and connected to laterally extending roof ventilation channels (34), wherein an air inlet (32) of the roof ventilation device (30) is arranged in the air distribution channel (36), wherein a ventilation device (38) is arranged in the air distribution channel (36) for each laterally extending roof ventilation channel (34), the ventilation device being configured to draw in conditioned air (KL) from a vehicle interior (12) and convey it to the lateral roof ventilation channels (34).
2. The motor vehicle (10) according to claim 1, characterized in that The vehicle roof (22) is at least partially designed as a glass roof (22a), in particular a sliding glass roof and / or a panoramic glass roof.
3. The motor vehicle (10) according to claim 1 or 2, characterized in that The lateral roof ventilation duct (34) has an air outlet opening (40) from which conditioned air (KL) supplied into the lateral roof ventilation duct (34) escapes along a side window (16) of the motor vehicle (10).
4. The motor vehicle (10) according to any one of the preceding claims, characterized in that Lateral roof ventilation ducts (34) and / or air distribution ducts (36) are integrated into a ceiling trim of a vehicle roof (22).
5. The motor vehicle (10) according to any one of the preceding claims, characterized in that An outlet (28) for conditioned air (KL) into a vehicle interior (12) arranged in a front region (FB) based on the vehicle width (BR) is arranged essentially centrally below a windshield (18) of a motor vehicle (10) in order to generate a central air flow in the motor vehicle (10).
6. The motor vehicle (10) according to any one of the preceding claims, characterized in that The air inlet (32) is arranged substantially centrally on the air distribution channel (36) relative to the vehicle width (BR) so that the air inlet is located in the region of a central air flow generated by the air conditioning device (26).
7. The motor vehicle (10) according to any one of the preceding claims, characterized in that The air conditioning system (26) and the air exchange device (38) of the roof ventilator (30) can be controlled and operated independently of each other.
8. The motor vehicle (10) according to any one of the preceding claims, characterized in that The flow connection between the air conditioning system (26) and the roof ventilator (30) for the conditioned air (KL) is established exclusively via the vehicle interior.