WO2023285361A1 - Heizungs-, lüftungs- und/oder klimaanlage - Google Patents
Heizungs-, lüftungs- und/oder klimaanlage Download PDFInfo
- Publication number
- WO2023285361A1 WO2023285361A1 PCT/EP2022/069291 EP2022069291W WO2023285361A1 WO 2023285361 A1 WO2023285361 A1 WO 2023285361A1 EP 2022069291 W EP2022069291 W EP 2022069291W WO 2023285361 A1 WO2023285361 A1 WO 2023285361A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ventilation
- heating
- air inlet
- air conditioning
- conditioning system
- Prior art date
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 79
- 238000010438 heat treatment Methods 0.000 title claims abstract description 77
- 238000009423 ventilation Methods 0.000 title claims abstract description 77
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 99
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000005494 condensation Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
- B60H1/00835—Damper doors, e.g. position control
- B60H1/00849—Damper doors, e.g. position control for selectively commanding the induction of outside or inside air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00007—Combined heating, ventilating, or cooling devices
- B60H1/00021—Air flow details of HVAC devices
- B60H2001/00078—Assembling, manufacturing or layout details
- B60H2001/00085—Assembling, manufacturing or layout details of air intake
Definitions
- the invention relates to a heating, ventilation and/or air conditioning system for a motor vehicle.
- Heating, ventilation and/or air conditioning systems are designed to generate one or more temperature-controlled air flows. Such systems are used in motor vehicles for ventilation and air conditioning of a vehicle interior.
- an air flow is first sucked in by means of a fan via a fresh air inlet, which can then be tempered by means of an evaporator and a heating device.
- a heating, ventilation and/or air conditioning system for a motor vehicle with a fresh air inlet, a movably mounted flap which is assigned to the fresh air inlet and which blocks an air flow through the fresh air inlet in a closed position and an air flow through the fresh air inlet in an open position releases, and with a water drainage channel which runs at least in sections on an outside of the heating, ventilation and / or air conditioning system along a lower edge of the fresh air inlet.
- the term "lower edge” refers to an installed condition of the heating, ventilation and/or air conditioning system in a motor vehicle.
- Water can already be drained from the area surrounding the fresh air inlet through the water drainage channel before the water can penetrate into the fresh air inlet. It is particularly advantageous that water which accumulates in front of the flap when the flap is closed can be discharged particularly quickly or that it is avoided that a larger amount of water accumulates in front of the flap at all. When the flap is opened, accumulated water could run into the heating, ventilation and/or air conditioning system/filter.
- the heating, ventilation and/or air conditioning system comprises a filter which is arranged in a filter housing downstream of the fresh air inlet, the water drainage channel being formed at least in sections in the filter housing.
- the water drainage channel can open into an interior of the heating, ventilation and/or air conditioning system and continue to a condensed water outlet.
- the result of this is that water is not distributed in an uncontrolled manner, but is guided in a controlled manner via the water drainage channel to the condensed water outlet and reliably discharged from the heating, ventilation and/or air conditioning system.
- the water drainage channel in the interior of the heating, ventilation and/or air conditioning system is fluidically separated from an air duct of the heating, ventilation and/or air conditioning system.
- This has the advantage that air or water which enters the interior of the heating, ventilation and/or air conditioning system via the mouth of the water drainage duct does not flow through the air conditioning system but is discharged as quickly as possible.
- the opening of the water drainage channel into the interior cannot be closed so that even when the flap is closed, a small amount of water or air can always penetrate into the heating, ventilation and/or air conditioning system via the water drainage channel. Due to the fluidic separation, the operation of the heating, ventilation and/or air conditioning system is not influenced by water or air penetrating via the water drainage channel.
- the fresh air inlet is surrounded, for example, by an air inlet flange that covers the water drainage channel, a channel being formed in the air inlet flange, in which inlet openings to the water drainage channel are provided.
- a cross section of the channel preferably tapers towards the inlet openings, in particular in the shape of a funnel. In this way, water can be collected particularly well in the water drainage channel.
- a further water drainage duct runs in an interior of the heating, ventilation and/or air conditioning system along a lower edge of the fresh air inlet.
- the two water drainage channels run parallel, at least in sections, for example.
- the two water drainage channels Downstream of the opening of the water drainage channel into the interior, the two water drainage channels continue, for example as a common channel.
- the further water drainage channel can open into the first water drainage channel after the mouth. This also contributes to a compact design of the heating, ventilation and/or air conditioning system, since only one water drainage channel is required, at least in sections.
- a further air inlet can be provided, which is arranged in a vehicle interior, with the air inlet also being assigned a movably mounted flap which, in a closed position, opens Blocks air flow through the air inlet and releases an air flow through the air inlet in an open position.
- the additional air inlet serves to recirculate the air from the vehicle interior and is arranged, for example, in the footwell.
- a web is preferably provided in the interior of the heating, ventilation and/or air conditioning system, which delimits a direct air flow from the fresh air inlet to the additional air inlet.
- the web is intended to prevent fresh air flowing in through the fresh air inlet from flowing directly through the further air inlet into the vehicle interior without first being air-conditioned in the heating, ventilation and/or air conditioning system.
- the web achieves an increased flow resistance from the fresh air inlet to the further air inlet.
- the bridge also prevents water that has penetrated from flowing directly into the footwell.
- the further water drainage channel is formed in particular in the web and a multiplicity of ribs are formed within the water drainage channel.
- the ribs ensure increased flow resistance. In other words, the ribs have a throttling effect and ensure increased back pressure. Without the ribs, a certain proportion of air could flow into the footwell despite the web due to the air pressure built up in front of the flap.
- the ribs are designed in such a way that water can flow off unhindered through the water drainage channel.
- an air duct can run to an evaporator of the heating, ventilation and/or air conditioning system. This enables air conditioning of the air flowing in through the fresh air flap.
- FIG. 2 schematically shows the heating, ventilation and/or air conditioning system from FIG. 1 in a construction space environment
- FIG. 3 shows a perspective sectional view of the heating, ventilation and/or air conditioning system from FIG.
- FIG. 4 shows an interior view of the heating, ventilation and/or air conditioning system from FIG.
- FIG. 5 shows a cross section through a filter housing of the heating, ventilation and/or air conditioning system from FIG.
- FIG. 6 an outlet opening in a bottom of the filter housing
- FIG. 7 shows a section of a water drainage channel
- FIG. 8 shows a sectional representation in the area of a water drainage channel of the heating, ventilation and/or air conditioning system from FIG.
- FIG. 9 shows a sectional view in the area of a fresh air inlet of the heating, ventilation and/or air conditioning system from FIG.
- FIG. 1 shows a heating, ventilation and/or air conditioning system 10 for a motor vehicle, an air routing unit of the heating, ventilation and/or air conditioning system 10 not being shown.
- FIG. 2 the heating, ventilation and/or air conditioning system 10 is shown in an installed state in a vehicle environment, the heating, ventilation and/or air conditioning system 10 in FIG 2 is shown schematically. Only a fresh air inlet 14 of the heating, ventilation and/or air conditioning system 10 can be seen in FIG.
- a cover 16 which is in the form of a grid at least in sections, is arranged on the fresh air inlet 14 and serves to keep coarse dirt, for example leaves, away from the fresh air inlet 14 .
- the fresh air inlet 14 is also surrounded by a frame 111 .
- the frame 111 is used, among other things, to align the cover 16.
- the fresh air inlet is assigned a movably mounted flap 18 which blocks an air flow through the fresh air inlet 14 in a closed position and releases an air flow through the fresh air inlet 14 in an open position.
- the fresh air is sucked in by means of a fan 20 (see FIG. 3).
- an air duct 22 runs to an evaporator of the heating, ventilation and/or air conditioning system 10.
- the evaporator is covered by an evaporator housing 24 in FIG.
- the air duct 22 is formed in particular by various housing walls of the heating, ventilation and/or air conditioning system 10 .
- a course of the air duct 22 is shown in FIG. 1 in a roughly schematic manner using a dashed line.
- another air inlet 26 is provided, which is arranged in a vehicle interior, in particular in a footwell.
- the air inlet 26 is also associated with a movably mounted flap 28 which blocks an air flow through the air inlet 26 in a closed position and releases an air flow through the air inlet 26 in an open position.
- a filter 30, which is shown transparently in FIG. 3, is arranged downstream of the fresh air inlet 14 and upstream of the evaporator.
- the filter 30 is accommodated in a filter case 32 .
- the filter 30 serves to clean the fresh air before it enters the vehicle interior.
- a water drainage channel 34 which runs at least in sections on an outside of the heating, ventilation and/or air conditioning system 10 along a lower edge of the fresh air inlet 14 .
- FIG. 3 shows a perspective sectional representation of the heating, ventilation and/or air conditioning system 10 .
- the water drainage channel 34 extends over the full width of the fresh air inlet 14.
- the water drainage channel 34 is directly adjacent to the fresh air inlet 14 .
- the water drainage channel 34 is formed in sections in the filter housing 32 .
- the air inlet flange 17 which surrounds the fresh air inlet 14 covers the water drainage channel 34 in an area along the fresh air inlet 14 .
- a channel 36 is formed in the air inlet flange 17, in which inlet openings 38 to the water drainage channel 34 are provided.
- the air inlet flange 17 thus forms a cover for the water drainage channel 34 without impeding water drainage.
- the channel 36 tapers towards the water drainage channel 34 .
- FIG. 4 shows an interior view of the heating, ventilation and/or air conditioning system 10 in the area of the air inlets 14, 26. In this view it can be seen that there is a further water drainage channel 42 which runs along a lower edge of the fresh air inlet 14 in the interior of the heating, ventilation and/or air conditioning system 10 .
- the additional water drainage channel 42 is formed in the web 40, which contributes to a compact design.
- a multiplicity of ribs 44 are optionally formed in the water drainage channel 42 or in the web 40 .
- the ribs 44 are jagged in the embodiment shown. However, other shapes are also conceivable.
- the ribs 44 ensure an increased flow resistance between the fresh air inlet 14 and the further air inlet 26, so that an air flow from the fresh air inlet 14 to the further air inlet 26 is made more difficult.
- the first water drainage channel 34 opens into the interior of the heating, ventilation and/or air conditioning system 10.
- a section of the water drainage channel 34 is formed by a circumferentially closed channel 46 in the filter housing 32 .
- FIG. 5 shows a cross section through the filter housing 32, so that the interior of a floor pan 50 of the filter housing 32 can be seen.
- the channel 46 has an outlet opening 48 into the base pan 50 of the filter housing 32.
- the water drainage channel 34 continues to an outlet opening 52 in the floor pan 50.
- a partition wall 54 is formed in the floor pan 50 and delimits the water drainage channel 34 .
- the partition wall 54 divides the outlet opening 52 into two areas, with the water drainage channel 34 only being assigned one area and the other area Area of the air duct 22 of the heating, ventilation and / or air conditioning system 10 and the water drainage channel 42 is assigned.
- the water drainage channel 34 in the interior of the heating, ventilation and/or air conditioning system 10 is fluidically separated from the air duct 22 of the heating, ventilation and/or air conditioning system 10 by the partition wall 54 and the channel 46 that is closed all the way around, as well as the filter 30 .
- a line 56 is connected to the outlet opening 52 (see FIG. 7), in which the water drainage channel 34 and the water drainage channel 42 continue and which runs to a condensation water outlet 58 .
- the condensed water outlet 58 is preferably formed in a bottom of the evaporator housing 24 .
- FIG. 7 shows the condensation water outlet 58 as an example. However, the condensed water outlet 58 does not have to be in the position shown in FIG.
- the condensation water outlet 38 is usually arranged at the lowest point in the evaporator housing 24 in the installation position, so that water can drain off particularly well.
- the further water drainage channel 42 extends downward on the filter housing 32 , in particular along the channel 46 on the outside.
- FIG. 8 uses a sectional view to illustrate a scenario that is to be avoided according to the invention.
- FIG. 8 shows a state of the heating, ventilation and/or air conditioning system 10 in which the fresh air inlet 14 is completely closed by the flap 18 and water has accumulated in the area in front of the fresh air inlet 14 .
- FIG. 9 also shows schematically how a flow resistance is increased by web 40 when flaps 18, 28 are open.
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202280049219.3A CN117642298A (zh) | 2021-07-13 | 2022-07-11 | 供暖、通风和/或空气调节系统 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102021118042.2 | 2021-07-13 | ||
DE102021118042.2A DE102021118042A1 (de) | 2021-07-13 | 2021-07-13 | Heizungs-, Lüftungs- und/oder Klimaanlage |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023285361A1 true WO2023285361A1 (de) | 2023-01-19 |
Family
ID=82547048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2022/069291 WO2023285361A1 (de) | 2021-07-13 | 2022-07-11 | Heizungs-, lüftungs- und/oder klimaanlage |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN117642298A (de) |
DE (1) | DE102021118042A1 (de) |
WO (1) | WO2023285361A1 (de) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010062406A1 (de) * | 2010-12-03 | 2012-06-06 | Visteon Global Technologies, Inc. | Klimagerät für ein Fahrzeug |
DE102014105896A1 (de) * | 2014-04-28 | 2015-10-29 | Valeo Klimasysteme Gmbh | Ansaugeinrichtung einer Fahrzeugklimaanlage |
DE102015107708A1 (de) * | 2014-05-28 | 2015-12-03 | Halla Visteon Climate Control Corporation | Lufteinlass eines Klimatisierungssystems eines Kraftfahrzeugs |
US20170341484A1 (en) * | 2016-05-27 | 2017-11-30 | Denso International America, Inc. | Casing for air conditioning unit |
-
2021
- 2021-07-13 DE DE102021118042.2A patent/DE102021118042A1/de active Pending
-
2022
- 2022-07-11 CN CN202280049219.3A patent/CN117642298A/zh active Pending
- 2022-07-11 WO PCT/EP2022/069291 patent/WO2023285361A1/de active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010062406A1 (de) * | 2010-12-03 | 2012-06-06 | Visteon Global Technologies, Inc. | Klimagerät für ein Fahrzeug |
DE102014105896A1 (de) * | 2014-04-28 | 2015-10-29 | Valeo Klimasysteme Gmbh | Ansaugeinrichtung einer Fahrzeugklimaanlage |
DE102015107708A1 (de) * | 2014-05-28 | 2015-12-03 | Halla Visteon Climate Control Corporation | Lufteinlass eines Klimatisierungssystems eines Kraftfahrzeugs |
US20170341484A1 (en) * | 2016-05-27 | 2017-11-30 | Denso International America, Inc. | Casing for air conditioning unit |
Also Published As
Publication number | Publication date |
---|---|
DE102021118042A1 (de) | 2023-01-19 |
CN117642298A (zh) | 2024-03-01 |
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