KR101928334B1 - Air distributing system for the third and/or fourth zone of a three- or four zones-air conditioning appliance of automobile - Google Patents

Abstract

The present invention relates to an air distribution system for a third zone and / or a fourth zone of a 3 or 4 zone automotive air conditioning system (1), i.e. for a rear seat row of an automobile,
- By including the hot wind path 7 guided through one or more heat heat exchangers 8, consequently the air cooled by the evaporator passes through the heat exchanger 8 by the hot wind path 7 Heated,
- a cold air path (14) guided not by way of one or more heat heat exchangers (8) but by way of said heat heat exchangers,
(1) comprises at least one ventilation outlet (3) arranged at the same height and at least one floor space outlet (4), wherein the hot air path (7) 9 which is connected to the ventilation outlet 3 and which is connected to the limiting wall 12 at its inlet opening 11 and which restrictive wall 12 is arranged so that the warm air The discharge opening 13 of the hot air channel 7 is directly connected to the ventilation outlet 3 outside the hot air channel 7 from the hot air path 7 to block the flow path directly flowing into the ventilation outlet 3, (3).
-In order to control the ratio of the warm air discharged from the hot air channel 9 and the proportion of the cold air flowing into the ventilation outlet 3 from the cold air path 14, Air distribution flap valve 16, and
- one or more air distribution flap valves (18) at the inlet into one or more floor space outlets (4).
According to the present invention, the level of demand associated with temperature distribution within at least one of the third zone and the fourth zone can be reached.

Description

TECHNICAL FIELD [0001] The present invention relates to an air distribution system for a third zone and / or a fourth zone of a three- or four-zone automobile air-conditioning system, and more particularly to an air distribution system for an air-

The present invention relates to an air distribution system for third and / or fourth zones of a three- or four-zone-car air conditioning system.

The heating- / air-conditioning system with three or four different temperature zones has a front zone, i.e. a first and / or second zone for the driver and passenger, and a rear zone, i.e. the second or second And a separate mixing zone for the third and / or fourth zone for the seat row. For all temperature zones, there are requirements for the temperature control curve or the temperature difference between the various outlets of the heating / air conditioning unit. Since the prior solutions for the heating, ventilation and / or air conditioning of the rear, third and / or fourth zones of an automobile interior have mostly been associated with the front, first and / or second zones, The problem of temperature layer formation between the outlets has not been raised. Also solutions for the formation of the first and / or second zone temperature layer can no longer be applied because the shape and size of the mixing chamber for the front and rear zones and the number and arrangement of the outlets to be fed are very It can be different. For the third and / or fourth zone, the installation space for the mixing chamber is more restricted than in the case of the mixing chambers for the front zone. This situation causes another flow characteristic and mixing characteristic of the air to be introduced from the hot air path and the cold air path. As a result, this fact can again cause inserts, such as channels and air guide devices, in the mixing chamber of the third and / or fourth zone, which may differ from known inserts of the front zone.

The requirements for distributing the air to the outlets of the third and / or fourth zones, that is to say the ventilation outlets and the floor space outlets, are varied according to the air distribution mode which is raised by the user or the vehicle. In winter, more air should flow out of the floor space outlet and less air should flow out of the ventilation outlet, and vice versa in the summer. There are further corresponding intermediate positions at the turnaround time. It is difficult to meet the requirements raised for temperature distribution for all air distribution modes as a result of the partially clear differences in air distribution affecting the temperature distribution as well.

An object of the present invention is to provide an air distribution system for a third and / or fourth zone of a 3- or 4-zone air conditioning system for heating, ventilation or air conditioning of an automobile interior, Depending on the system, optimization can be achieved in the requirements related to temperature distribution within the third and / or fourth zones.

The above problem is solved by an apparatus having the features of claim 1. According to the concept according to the invention, the heating of the third and / or fourth zone, heating for ventilation or air conditioning, by combination of channels and other air guide devices and possibly by air distribution flap valve- - Optimization of the formation of the temperature layer between the outlets of the air conditioning system is achieved.

The present invention comprises an air distribution system for the third and / or fourth zone of the 3- or 4-zone-car air conditioning system,

By including a hot air path guided through one or more heat heat exchangers, the result is that the air cooled by the evaporator is heated by the hot air path as it passes through the heat heat exchanger,

- a cold air path which is guided directly, i.e. not through one or more heat heat exchangers but through said heat heat exchangers,

- at least one ventilation outlet and one or more floor space outlets into the interior of the car arranged at the same height, wherein the hot air path is connected to the ventilation outlet through a hot air channel disposed in the lower part of the flow direction of the heat heat exchanger, Wherein the restrictive wall is arranged to block a flow path directly entering the ventilation outlet outside the hot air channel from the warm air warm air path, The discharge opening of the hot air channel is positioned directly inside the ventilation outlet,

- one or more air distribution flap valves at the inlet into the ventilation outlet to control the ratio of the hot air flow from the hot air channel and the proportion of cold air flowing into the ventilation outlet from the cold air path,

At least one air distribution flap valve at an inlet into one or more floor space outlets.

In order to meet the requirements raised for temperature distribution, the present invention proposes the above-described warm-air channel. This hot-air channel is also used in all air distribution modes as it is necessary for all air distribution modes. The warm air channel guides the warm air directly to the ventilation outlet. The hot air channel is preferably connected to the horizontal limiting wall by its inlet opening, which cuts off the flow path of the hot air which again leads to the ventilation outlet. This preferably horizontal wall prevents, among other things, the flow of excess air into the warm air direct vent outlet in the air distribution mode used for winter and seasons. The outlet of the hot air channel must be positioned directly inside the ventilation outlet. This avoids the situation where, in certain operating conditions, the cold air completely or partially blocks the flow path through the outlet of the warm air channel and / or into the warm air vent outlet due to being bypassed through the outlet.

The present invention preferably relates to an arrangement in which the ventilation vent / ventilation outlets are arranged at the same height as the two floor space outlets between the two floor space outlets, i.e., the right and left floor space outlets.

According to one embodiment of the present invention, a direct flow path is formed from the cold air path into the at least one ventilation outlet. A direct flow path formed within the at least one bottom space from the hot air path is also desirable.

According to a particularly preferred embodiment of the present invention, a limiting wall is provided at a boundary to one or more floor space outlets at the end of the cold air path, the limiting wall having a direct flow path from the cold air path into one or more floor space outlets Partially or completely. For example, if two outer floor space outlets and one intermediate ventilation outlets are arranged, a vertical limiting wall may be provided at the outer right and left edges of the cold air path to block direct flow paths from the cold air path into the floor space outlet As shown in Fig. The size of the vertical restraint wall, in other words, the height and length, is a parameter that can be adapted to various situations of the individual heating / air conditioning facility, such as the requirements raised for installation space and temperature distribution . Preferably, the vertical limiting walls are formed such that this limiting wall prevents direct flow from the cold air into the floor space outlet in the air distribution mode used above all else in summer.

In order to avoid blocking or limiting the flap valve travel path of the air distribution flap valve through the hot air channel, a short section of one section, for example a flap valve blade, was provided in the hot air channel area within the air distribution flap valve for the ventilation outlet. In other words, if the installation space is small, one section may necessarily be required in the area of the warm air channel inside the air distribution flap valve for the ventilation vent, because otherwise the flap valve movement path is blocked / limited by the warm air channel And all air distribution modes can not be set. The cross-section of the hot-air channel in size and shape is a parameter that can be adapted to various situations of the individual heating- / air-conditioning facility, such as the requirements raised for installation space and temperature distribution.

According to a further preferred embodiment, the air distribution flap valves for the one or more floor space outlets and for the ventilation outlets are fixed to a single shaft.

The hot air channel and the restrictive wall may be at least partially formed inside the stand which can be inserted into the housing of the vehicle air conditioning system. Preferably, however, the hot-air channels and the restrictive walls are integrated within a portion of the housing of the heating- / air-conditioning facility.

With the present invention, the requirements associated with temperature distribution in the third and / or fourth zones can be reached.

An object of the present invention is to provide an air distribution system for a third and / or fourth zone of a 3- or 4-zone air conditioning system for heating, ventilation or air conditioning of an automobile interior, Depending on the system, optimization can be achieved in the requirements related to temperature distribution within the third and / or fourth zones.

Further details, features and advantages of the present invention are set forth in the following description of embodiments with reference to the accompanying drawings. Drawing Description:
BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is an external perspective view of a vehicle air conditioning system for heating, ventilation and air conditioning of the third and /
2 is a front view of a vehicle air conditioning system 1 for heating, ventilation and air conditioning of the third and / or fourth zones of the vehicle interior,
Fig. 3 is a cross-sectional view showing the heating / air-conditioning equipment for heating, ventilation and air conditioning in the third and /
Fig. 4 is a cross-sectional view of the heating and / or air conditioning equipment for heating, ventilation and air conditioning of the third and /
5 is a schematic view showing a frame portion incorporating a vertical restrictive wall for the warm air channel and the floor space outlet for the floor space outlet.

1 is an external perspective view of an automotive air conditioning system 1 for heating, ventilation and air conditioning in a third and / or fourth zone of a motor vehicle interior. The automotive air conditioning system 1 comprises a housing 2 having ventilation and floor space outlets 3 and 4 at the bottom for third and / or fourth spaces arranged at the same height have. In the embodiment of Fig. 1, the ventilation outlet 3 is disposed at the same height between the right floor space outlet 4a and the left floor space outlet 4b. In this case, the opening 5 of the ventilation outlet 3 faces forward while the opening 6 of the floor space outlet faces downward.

2 is a front view of a vehicle air conditioning system 1 for heating, ventilation and air conditioning of the third and / or fourth zones of the vehicle interior. In the figure, a cutting plane in which the housing 2 is cut vertically is shown to facilitate understanding of the following drawings. This cutting plane 2a lies in the region close to the center of the ventilation outlet 3 while a vertical plane in the region of the floor space outlet 4a is selected as the cutting plane 2b.

3 is a sectional view showing a region of the ventilation outlet 3 along a cutting plane 2a in which the housing 2 is vertically cut. In the area of this vehicle air-conditioning system 1, a heat-exchanger 8 arranged in the flow direction as an air tempering device and, in some cases, a hot wind path 7 passing under the additional heating element 8a Is guided by a substantially vertically oriented hot-air channel (9) connected behind it. As shown in FIG. 3, the hot air can be turned downward in the direction of the hot air channel 9 and the ventilation outlet 3 through the air guide element 10 bent at the inner wall of the housing 2. The hot air channel 9 is connected by its inlet opening 11 to a substantially horizontal limiting wall 12 which again blocks the flow path of the hot air from this area to the ventilation outlet 3. The hot air channel (9) guides the hot air directly to the ventilation outlet (3). For this purpose, the discharge opening 13 of the hot-air channel 9 is positioned directly inside the ventilation outlet 3. The hot air channel 9 is necessary for all air distribution modes. The horizontal wall 12 prevents, among other things, from flowing into the excessively large number of warm air direct ventilation outlets 3 in the air distribution mode used for winter and seasonal changes.

Furthermore, in the area of the automobile air conditioning system 1 shown in Fig. 3, the cold air passage 14 is directly connected to the ventilation outlet 3 (not shown), not shown, . In the ventilation outlet 3, the air discharged from the hot air path 7 and the cold air path 14 is mixed with the mixed air stream, and the mixed air flows through the opening 5 to the third and / And flows into the fourth zone.

The discharge opening 13 of the hot air channel 9 is positioned directly in the ventilation outlet 3 so that the cold air is guided through the discharge opening 13 of the hot air channel 9 and / The situation in which the flow path is completely or partially blocked from flowing into the warm air vent port 3 is avoided. An air distribution flap valve 16 is provided at the end of the cold air path 14 and at the inlet into the ventilation outlet 3 to control the air distribution of cold air and hot air within the ventilation outlet 3. In the embodiment shown in Figure 3, less space is provided due to the space requirement for the hot air channel 9 in the pivoting region of the air distribution flap valve 16. [ In other words, due to the hot air channel 9, the flap valve movement path can be blocked or restricted, so that no air distribution mode can be set. Therefore, in order to prevent such a situation, the area of the hot air channel 9 inside the air distribution flap valve 16 for the ventilation outlet 3 is provided with, for example, a recess in the short axis of the flap valve blade or a recess in the flap valve blade The same section 17 was provided.

4 shows a cutting plane 2b cut vertically from the housing 2 of the automotive air conditioning system 1 in a floor space outlet area in the floor space outlet 4, i.e. in the area of the right floor space outlet 4a. As shown in Fig. In this case, although the right floor space outlet 4a is shown, the features shown also apply to the left floor space outlet 4b. Thus, the hot air is guided to the floor space outlet 4 through the air guide element 10 at the outer right and left edges of the hot air path 7 without additional obstacles, in this case the hot wind enters the floor space outlet 4 An air distribution flap valve 18 is provided at the inlet. At the ends of the right and left edges of the cold air path 14, the boundary to the inlet into the floor space outlet 4 is provided with a clearance to partially or completely block the direct flow path from the cold air path to the bottom space outlet 4 And the vertical limiting wall 19 are positioned one by one, respectively. This vertical restricting wall 19 was formed to prevent cold air from flowing directly into the floor space outlet in an air distribution mode in which this wall is used more than any other summer. Therefore, the cold air is mixed with the warm air that has already been discharged from the hot air path before entering the floor space outlet (4).

An air distribution flap 18 for the right bottom outlet 4a and the left bottom outlet 4b and an air distribution flap 18 for the ventilation outlet 3 intermediate between the two bottom outlets 4a and 4b, The valve 18 is fixed to one shaft.

Fig. 5 shows a stand 20 which can be inserted into the housing 2 of the vehicle air-conditioning system 1. Fig. A horizontal limiting wall 12 and a vertical limiting wall 19 are formed in the stand 20 as well as the warm air channel 9. [ The limiting walls may also be referred to as guide blades (12, 19). The wall of the hot air channel 9 not yet formed is formed by the inner wall of the housing 2 after the stand 20 is inserted. Although not shown in the drawings, it is also possible to integrate the warm air channel 9 and the limiting walls 12, 19 into the interior of the housing 2 of the heating / air conditioning facility.

1: Automobile air conditioning equipment
2: Housing
2a: cutting plane (area of floor space outlet)
2b: Cutting plane (area of ventilation vent)
3: Ventilation outlet
4: Floor space outlet
4a: Right floor space outlet
4b: Left floor space outlet
5: opening of ventilation vent
6: opening of floor space outlet
7: Warm wind path
8: Heating heat exchanger
8a: heating element
9: Warm-air channel
10: air guide element
11: inlet opening of (warm air channel 8)
12: (horizontal) limiting wall
13: exhaust opening of (warm air channel 9)
14: cold wind route
15: Mixed air flow
16: Air distribution flap valve
17: (within the air distribution flap valve 16)
18: Air distribution flap valve
19: (vertical) limiting walls; Guide blade
20: Stand

Claims (9)

An air distribution system for rear seat heat of a three- or four-zone vehicle air-conditioning system (1)
- a hot wind path (7) comprising at least one heating heat exchanger (8) for heating the air cooled by the evaporator,
- a cold air path (14) guiding cold air bypassing said heat heat exchanger,
(3) and at least one floor space outlet (4) arranged at the same height, wherein the hot air path (7) comprises a hot air channel (5) arranged downstream of the heating heat exchanger (7) 9 to the ventilation outlet 3,
The inlet opening 11 of the hot air channel 9 further comprises a restriction wall 12 for blocking a part of the hot air path while extending the cold air path 14 into the ventilation outlet 3, Is formed in the restriction wall (12), and the discharge opening (13) of the hot air channel (9) is disposed in the ventilation outlet (3)
And a ventilation outlet (12) provided inside the restrict wall (12) for controlling the ratio of the hot air blown from the hot air channel (9) and the ratio of the cold air flowing into the ventilation outlet (3) 3, wherein the hot air supplied from the hot air channel (9), regardless of the position of the air distribution flap valve (16), is always supplied to the ventilation outlet (3), and
- at least one air distribution flap valve (18) at an inlet into one or more floor space outlets (4). The method according to claim 1,
Characterized in that the ventilation outlet (3) is arranged between the two floor space outlets (4a, 4b) and at the same height as the two floor space outlets (4a, 4b). delete The method according to claim 1,
Characterized in that a flow path is formed extending from the hot air path (7) into one or more floor space outlets (4, 4a, 4b). The method according to claim 1,
At the end of the cold air path 14 a limiting wall 19 is provided at the boundary to one or more floor space outlets 4, 4a, 4b,
Characterized in that the restrictive wall partly or completely blocks the flow path from the cold air path (14) into one or more of the floor space outlets (4, 4a, 4b). The method according to claim 1,
In order to prevent interference between the air distribution flap valve 16 and the restrictive wall passing through the hot air channel 9, the area of the hot air flow channel 9 within the air distribution flap valve 16 for the ventilation outlet 3, (17) is provided in the air distribution system. The method according to claim 1,
Air distribution flap valves (16, 18) for one or more floor space outlets (4, 4a, 4b) and ventilation outlets (3) are fixed to the shaft. 8. The method according to any one of claims 5 to 7,
Characterized in that the warm air channel (9) and the limiting walls (12, 19) are at least partly formed inside a stand (20) which can be inserted into the housing (2) of the vehicle air conditioning system. 8. The method according to any one of claims 5 to 7,
Characterized in that the hot air channel (9) and the limiting walls (12, 19) are integrally formed in the housing of the air conditioning installation (2).

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