KR20220068552A - Air conditioner for vehicle - Google Patents

Abstract

An embodiment of the present invention relates to an air conditioner for a vehicle comprising: a blower unit; an air conditioning unit for adjusting the temperature of air supplied from the blower unit; and a distribution unit for distributing the air discharged from the air conditioning unit to a specific position in a vehicle room. The distribution unit includes: a housing arranged to communicate with the air conditioning unit; and an air volume adjusting door and a blower arranged successively on a rear seat channel, where air supplied from the air conditioning unit moves. The rotational center (C2) of the blower, which is arranged below the rotational center (C1) of the air volume adjusting door, is arranged with a gap therebetween behind the rotational center (C1) with respect to an anteroposterior direction. Accordingly, the air conditioner for a vehicle can control air supplied to a moving console to be optimized.

Description

Air conditioner for vehicle {AIR CONDITIONER FOR VEHICLE}

The embodiment relates to an air conditioner for a vehicle. In detail, it relates to an air conditioner for a vehicle that is provided to distribute and supply conditioned air to a specific location in a vehicle interior in response to a moving console applied to maximize the utilization of an interior space of a vehicle.

Cars are equipped with an air conditioning system to control the indoor air temperature and ventilation. In addition, the vehicle air conditioner generates heat in winter to keep the interior of the vehicle warm, and generates cool air in summer to keep the interior of the vehicle cool. Here, the vehicle air conditioner includes an air conditioning unit that controls the temperature of air through heat exchange between air and a heat exchange medium, a blower unit that supplies air to the air conditioning unit, and distributes the air discharged from the air conditioning unit to a specific location in the vehicle interior. It may include a distribution unit that

In addition, the vehicle air conditioner may include a discharge port, a door, and a plurality of ducts connected to the distribution unit for independent air conditioning and individual control of the vehicle interior. Accordingly, the conventional air conditioner for a vehicle may implement individual air conditioning for the front seat (front seat) or the rear seat (rear seat) of the vehicle interior.

However, there is a problem in that the conventional air conditioner for a vehicle cannot properly respond to a moving console applied to maximize the utilization of the vehicle's interior space in terms of air conditioning quality. For example, when a console box providing conditioned air to the rear seat of a vehicle is movably disposed inside the vehicle (hereinafter referred to as a 'moving console'), the duct connecting the conventional air conditioner for a vehicle and the console box Since the length is variable, the ventilation resistance is increased, and there is a difficulty in securing the air volume for the rear seat. Accordingly, there is a problem in that the air conditioning quality provided by the conventional vehicle air conditioner for the rear seat is deteriorated.

Accordingly, there is a demand for an air conditioning device for a vehicle structurally improved in response to the moving console installed in the interior of the vehicle to utilize the interior space of the vehicle.

The embodiment provides an air conditioner for a vehicle structurally improved in response to a moving console. In detail, the embodiment shows the air conditioning quality even when the moving console is installed through the arrangement relationship of the door that controls the amount of air supplied to the distribution unit and the blower that adds a discharge force in response to the air supplied through the door. To provide an air conditioning system for a vehicle that improves.

The embodiment provides an air conditioner for a vehicle that uses a distribution unit formed in a separate structure to improve productivity according to common use of the upper distribution unit, and to improve design freedom, assembling, and accessibility for A/S of the lower distribution unit.

The problems to be solved by the present invention are not limited to the problems mentioned above, and other problems not mentioned here will be clearly understood by those skilled in the art from the following description.

The task is a blower unit; an air conditioning unit for controlling the temperature of the air supplied from the blower unit; and a distribution unit for distributing the air discharged from the air conditioning unit to a specific location in a vehicle interior, wherein the distribution unit is disposed in communication with the air conditioning unit and includes a housing having a front seat outlet and a rear seat outlet; and in the air conditioning unit and an air volume control door and an auxiliary blower sequentially arranged on the rear seat channel through which the supplied air moves, wherein the air volume control door adjusts the air volume discharged to the rear seat outlet, and the air volume control door and the auxiliary blower , and the rear seat outlet is achieved by an air conditioner for a vehicle disposed below the front seat outlet.

Here, the rotational center (C2) of the auxiliary blower disposed on the lower side than the rotational center (C1) of the air volume control door may be disposed to be spaced apart from the rear side of the rotational center (C1) based on the front-rear direction.

In addition, the air conditioning unit includes a central air conditioning channel in which a heat exchanger and a heater are disposed, a lower air conditioning channel forming a flow of air bypassing the central air conditioning channel, and air passing through the central air conditioning channel and air passing through the lower air conditioning channel It may include a mixing area in which is mixed.

In addition, the air volume control door may be disposed to be spaced apart from the mixing area formed in the air conditioning unit to extend the mixing area.

The task is a blower unit; an air conditioning unit for controlling the temperature of the air supplied from the blower unit; and a distribution unit for distributing the air discharged from the air conditioning unit to a specific position in the vehicle interior, wherein the air conditioning unit includes a central air conditioning channel in which a heat exchanger and a heater are disposed, and a lower part through which the air flowing separately from the central air conditioning channel moves an air conditioning channel, and a mixing area in which the air passing through the central air conditioning channel and the air passing through the lower air conditioning channel meet and mix, wherein the distribution unit includes a housing disposed in communication with the air conditioning unit, and in the air conditioning unit and an air volume control door and an auxiliary blower sequentially disposed on a rear seat channel formed to allow the supplied air to move, wherein the air volume control door is spaced apart from the mixing area of the air conditioning unit in communication with the rear seat channel to have a predetermined distance. It is achieved by an air conditioner for a vehicle disposed.

On the other hand, the end of the air volume control door moves between an open position in which the rear seat channel is in an open state and a closed position in which the rear seat channel is in a closed state. A rotation center C2 of the auxiliary blower may be disposed between the second virtual line L2 disposed in the vertical direction in the closed position.

And, the first distance D1 from the first line (L1) to the rotation center (C2) of the auxiliary blower based on the front-rear direction is the rotation center (C2) of the auxiliary blower in the second line (L2) It may be smaller than the second distance D2 to .

And, on the third imaginary line L3 extending in the vertical direction, the rotation center C2 of the auxiliary blower and the end of the air volume control door in a half-open state are disposed, and the air volume control door is in the half-open state It may be defined as half-opening the rear seat channel.

In addition, the rotation center C2 of the auxiliary blower is disposed on an imaginary third line L3 extending in the vertical direction, and the first line L1 and the third line L3 based on the front-rear direction. A rotation center (C3) of the mode door module may be disposed therebetween.

In addition, the rotation center C2 of the auxiliary blower may be disposed within the range of the angle θ between the open position and the closed position with respect to the rotation center C1 of the air volume control door.

On the other hand, the distribution unit includes a mode door module disposed on the downstream side of the air discharged through the auxiliary blower,

The rotation center (C3) of the mode door module may be disposed between the rotation center (C1) of the air volume control door and the rotation center (C2) of the auxiliary blower based on the front-rear direction. Here, the mode door module may control the air discharged through the rear seat floor vent and the console vent, and the length of the console duct connected to the console vent may be variable.

Also, the blower unit and the air conditioning unit may be disposed in an engine room partitioned by a dash panel, and the distribution unit may be disposed in a vehicle interior partitioned by the dash panel.

Here, the distribution unit includes an upper distribution unit and a lower distribution unit detachably disposed on the upper distribution unit, the air volume control door is disposed inside the upper distribution unit, and the auxiliary blower is the lower distribution unit can be placed inside of

In addition, the auxiliary blower is provided as a wheel blower in which at least two fans are disposed on an axial line of the shaft, and the lower distribution unit may include two air inlets to correspond to each of the two fans.

In addition, the dash panel may include a step portion formed on the lower side with respect to the vertical direction, the step portion is formed concavely toward the engine room, and a portion of the lower distribution unit may be disposed in an area where the step portion is formed.

The embodiment may control to optimize the air supplied to the moving console by using the door, the blower, and their arrangement relationship disposed inside the distribution unit connected to the moving console. In detail, by defining the relationship of the installation position of the blower based on the installation position of the door, it is possible to optimize the flow of air according to the opening amount of the air volume control door to minimize ventilation resistance.

In addition, the embodiment uses a distribution unit formed in a separate structure to commonize the upper distribution unit and improve the assembling of the lower distribution unit, thereby improving productivity, accessibility for A/S and design freedom for each vehicle. size can be optimized. Accordingly, the embodiment improves the freedom of arrangement of other parts to be installed in the vehicle and at the same time makes it possible to secure the space inside the vehicle.

Various and advantageous advantages and effects of the embodiments are not limited to the above, and will be more easily understood in the course of describing specific embodiments of the embodiments.

1 is a view showing an air conditioner for a vehicle according to an embodiment disposed in a vehicle;
2 is a view showing the arrangement relationship of a blower unit, an air conditioning unit, and a distribution unit of an air conditioner for a vehicle according to an embodiment;
3 is a cross-sectional view illustrating an arrangement relationship between an air conditioning unit and a distribution unit of an air conditioner for a vehicle according to an embodiment;
Figure 4 is an enlarged view of a part of Figure 3,
5 and 6 are views showing a lower distribution unit of an air conditioner for a vehicle according to an embodiment;
7 is a perspective view illustrating a mode door module disposed inside a lower distribution unit of an air conditioner for a vehicle according to an embodiment;
8 is a view showing a coupling of a distribution unit and a variable console duct of an air conditioner for a vehicle according to an embodiment;
9 is a view showing a distribution partition wall according to another embodiment disposed in the distribution unit of the air conditioner for a vehicle according to the embodiment.

Since the present invention may have various changes and may have various embodiments, specific embodiments will be illustrated and described in the drawings. However, this is not intended to limit the present invention to specific embodiments, and it should be understood to include all modifications, equivalents and substitutes included in the spirit and scope of the present invention.

Terms including an ordinal number such as 1st, 2nd, etc. may be used to describe various elements, but the elements are not limited by the terms. The above terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the second component may be referred to as the first component, and similarly, the first component may also be referred to as the second component. and/or includes a combination of a plurality of related listed items or any of a plurality of related listed items.

When an element is referred to as being “connected” or “connected” to another element, it is understood that it may be directly connected or connected to the other element, but other elements may exist in between. it should be On the other hand, when it is said that a certain element is "directly connected" or "directly connected" to another element, it should be understood that the other element does not exist in the middle.

In the description of the embodiment, in the case where one component is described as being formed on "on or under" of another component, above (above) or below (below) (on or under) includes both components in which two components are in direct contact with each other or in which one or more other components are disposed between the two components indirectly. In addition, when expressed as 'up (up) or down (on or under)', a meaning of not only an upward direction but also a downward direction based on one component may be included.

The terms used in the present application are only used to describe specific embodiments, and are not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In the present application, terms such as “comprise” or “have” are intended to designate that a feature, number, step, operation, component, part, or combination thereof described in the specification exists, but one or more other features It should be understood that this does not preclude the existence or addition of numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning in the context of the related art, and should not be interpreted in an ideal or excessively formal meaning unless explicitly defined in the present application. does not

Hereinafter, the embodiment will be described in detail with reference to the accompanying drawings, but the same or corresponding components are given the same reference numerals regardless of reference numerals, and overlapping descriptions thereof will be omitted.

1 is a view showing an air conditioner for a vehicle according to an embodiment arranged in a vehicle, FIG. 2 is a view showing an arrangement relationship between a blower unit, an air conditioning unit, and a distribution unit of the air conditioner for a vehicle according to the embodiment, and FIG. 3 is an embodiment It is a cross-sectional view showing the arrangement relationship of the air conditioning unit and the distribution unit of the air conditioner for a vehicle according to an example, and FIG. 4 is an enlarged view of a part of FIG. 3 . 1 to 3 , an x-direction may indicate a front-rear direction of a vehicle body with respect to a vehicle, and a y-direction may indicate a vehicle width direction. In addition, the z-direction may indicate an up-down direction or a vertical direction. In addition, the x direction, the y direction, and the z direction may be perpendicular to each other. In this case, the y-direction may be a longitudinal direction of the dash panel DP. Here, the front-rear direction may include an interior direction (rear) that is a direction toward the interior of the vehicle, and an engine room direction (front) that is opposite to the interior direction.

Meanwhile, reference numeral 5 in FIG. 3 may indicate a cowl crossbar of a vehicle. And, reference numeral 6 may indicate an instrument center panel of the vehicle.

1 to 4 , the air conditioner 1 for a vehicle according to the embodiment is a blower unit 100 , an air conditioning unit 200 , and air whose temperature is controlled by the air conditioning unit 200 is specified in the interior of a vehicle. It may include a distribution unit 300 for distributing to a position, and a variable console duct 400 that is detachably coupled to one side of the distribution unit 300 .

Accordingly, the air introduced into the vehicle air conditioner 1 by the blower unit 100 is cooled in the air conditioning unit 200, and then, the temperature is adjusted in the air conditioning unit 200, and then, through the distribution unit 300, the vehicle interior (4). ) can be distributed. At this time, the vehicle air conditioner 1 discharges the temperature-controlled air to individual areas of the vehicle interior 4 divided using the air conditioning unit 200 , the distribution unit 300 , and the console duct 400 . , allowing individual temperature control for each area of the vehicle interior 4 .

As shown in FIG. 2 , the vehicle may be divided into an engine room 3 and an interior 4 of the vehicle by a dash panel DP. Here, since the blower unit 100 and the air conditioning unit 200 may be disposed in the engine room 3, the arrangement of the blower unit 100 and the air conditioning unit 200 and Design freedom can be improved. That is, since only the split-type distribution unit 300 is disposed in the interior 4 of the vehicle, it is possible to secure a space inside the vehicle. In this case, the center of the air conditioning unit 200 and the center of the distribution unit 300 may be eccentrically disposed in the vehicle to form a predetermined offset in consideration of interference with peripheral devices disposed in the vehicle. have.

Meanwhile, referring to FIG. 3 , the dash panel DP may include a step portion DPB formed by partially bending the dash panel DP in the front-rear direction. In this case, since the step portion DPB is bent forward, a portion of one surface may be concave toward the front. Here, the step portion DPB may be formed on the lower side of the dash panel DP. Accordingly, as shown in FIG. 3 , a space S is formed, and a lower portion of the distribution unit 300 may be disposed in the space S. In detail, since a part of the lower distribution unit 300b may be disposed in the space S, a partial configuration on the rear side of the air conditioning unit 200 is similar to a partial configuration on the front side of the lower distribution unit 300b in the vertical direction. may be arranged to overlap.

Accordingly, the vehicle air conditioner 1 utilizes the space S to arrange a portion of the distribution unit 300 disposed in the interior 4, thereby further securing a vehicle interior space.

The blower unit 100 may use a blower including a fan and an actuator for driving the fan to supply bet or outside air introduced into the inside to the air conditioning unit 200 . Accordingly, the blower unit 100 may have a passage through which the bet or outside air is introduced. Here, the blower disposed in the blower unit 100 may be referred to as a main blower. In addition, the fan may be a sirocco fan or a radial fan, and the actuator may be a motor. And, the bet may mean air circulating inside the interior of the vehicle. In addition, the outside air may mean air introduced into the vehicle from the outside of the vehicle.

In addition, in the vehicle air conditioner 1, the heat exchanger of the air conditioning unit 200 and the blower of the blower unit 100, which can act as noise or vibration inducing factors, are disposed in the engine room 3 side, thereby reducing noise and vibration can be reduced.

The air conditioning unit 200 may be disposed in the engine room 3 together with the blower unit 100 . Accordingly, the vehicle air conditioner 1 can improve indoor convenience by maximizing the securing of an indoor space.

The air conditioning unit 200 may be formed to communicate with the blower unit 100 and the distribution unit 300 .

Referring to FIG. 3 , the air conditioning unit 200 includes an air conditioning case 210 having an upper air conditioning channel CH1, a central air conditioning channel CH2, and a lower air conditioning channel CH3 formed therein, and the air conditioning case 210. A first heat exchanger 220 and a second heat exchanger 230 and a heater 240 disposed therein, and a plurality of temperature control doors for controlling the air moving along the channels CH1, CH2, CH3 can do. Here, the channel may be referred to as a flow path. Also, the heater 240 may be referred to as a third heat exchanger.

The air conditioning case 210 forms an outer shape of the air conditioning unit 200, and a space through which air flows may be formed. In addition, one side of the air conditioning case 210 may be formed to communicate with the blower unit 100 , and the other side may be formed to communicate with the distribution unit 300 . Accordingly, the air supplied from the blower unit 100 is to be discharged to the distribution unit 300 after exchanging heat with any one of the first heat exchanger 220 , the second heat exchanger 230 , and the heater 240 . can

In addition, an upper air conditioning channel CH1 , a central air conditioning channel CH2 , and a lower air conditioning channel CH3 may be formed in the air conditioning case 210 .

Accordingly, the air that has passed through the first heat exchanger 220 may move through at least one of the upper air conditioning channel CH1, the central air conditioning channel CH2, and the lower air conditioning channel CH3.

The upper air conditioning channel CH1, the central air conditioning channel CH2, and the lower air conditioning channel CH3 may be implemented in the air conditioning case 210 in various ways. For example, by using the second heat exchanger 230, the heater 240, a plurality of temperature control doors, and a support member supporting them, the upper air conditioning channel CH1, the central air conditioning channel CH2, and the lower air conditioning channel ( CH3) can also be formed. Alternatively, as shown in FIG. 3 , an upper partition wall 211 disposed between the upper air conditioning channel CH1 and the central air conditioning channel CH2 and between the central air conditioning channel CH2 and the lower air conditioning channel CH3 The upper air conditioning channel CH1, the central air conditioning channel CH2, and the lower air conditioning channel CH3 may be formed through the lower partition wall 212 disposed on the .

Meanwhile, the air conditioning unit 200 may include a central partition wall 213 so that air passing through the central air conditioning channel CH2 can be divided into upper and lower portions to move.

The middle partition wall 213 may be disposed on a downstream side of the inside of the air conditioning case 210 . 3 , the middle partition wall 213 may be disposed to be spaced apart from the upper partition wall 211 and the lower partition wall 212 .

Accordingly, an upper outlet 214 may be formed between the downstream end of the upper partitioning wall 211 and the middle partitioning wall 213 by the middle partitioning wall 213 . In addition, a lower outlet 215 may be formed between the downstream end of the lower partition wall 212 and the middle partition wall 213 by the middle partition wall 213 . Here, the middle partition wall 213 is a support member for supporting the temperature control door disposed at the upper outlet 214 and the lower outlet 215 together with the upper partition wall 211 and the lower partition wall 212 . may be used. Accordingly, the upper partition wall 211 may be called an upper support part, the lower partition wall 212 may be called a lower support part, and the middle partition wall 213 may be called a middle support part.

The first heat exchanger 220 enables the temperature of the vehicle interior to be controlled by heat exchange between the air supplied into the air conditioning unit 200 and the first heat exchange medium. At this time, since the first heat exchanger 220 is disposed on the engine room 3 side, it is easy to replace.

In addition, the first heat exchanger 220 may be disposed upstream of the upper air conditioning channel CH1, the central air conditioning channel CH2, and the lower air conditioning channel CH3 based on the air flow.

In addition, the first heat exchanger 220 may be an evaporator, and the first heat exchange medium may be a refrigerant. Accordingly, the vehicle air conditioner 1 includes a pipe (not shown) disposed to circulate the first heat exchange medium, a compressor (not shown) disposed in the pipe, an external condenser (not shown), and an expansion means (not shown). ) and the like. Here, an expansion valve may be used as the expansion means.

Accordingly, the evaporator provided to the first heat exchanger 220 may exchange heat between the liquid first heat exchange medium at low temperature and low pressure and the air introduced into the air conditioning unit 200 . And, the air that has passed through the first heat exchanger 220 may move through at least one of the upper air conditioning channel CH1, the central air conditioning channel CH2, and the lower air conditioning channel CH3.

The second heat exchanger 230 and the heater 240 are disposed on the central air conditioning channel CH2 and may be supported by the upper partition wall 211 and the lower partition wall 212 . Accordingly, the second heat exchanger 230 and the heater 240 may control the temperature of the air moving along the central air conditioning channel CH2.

The second heat exchanger 230 enables heat exchange between the air that has passed through the first heat exchanger 220 and a heat exchange medium flowing along the inside of the second heat exchanger 230 . Accordingly, the second heat exchanger 230 controls the temperature of the air that has passed through the first heat exchanger 220 to control the temperature of the vehicle interior.

The second heat exchanger 230 may be an internal condenser, and the internal condenser may be disposed on a pipe to which the evaporator is connected. Here, an example of the flow of the first heat exchange medium in the interior of the second heat exchanger 230 by using an internal condenser as the second heat exchanger 230 is not necessarily limited thereto. For example, the second heat exchanger 230 may be disposed on a separate cooling water circulation line through which a second heat exchange medium such as cooling water flows. Accordingly, in the second heat exchanger 230 , the air that has passed through the first heat exchanger 220 may exchange heat with the cooling water.

The heater 240 may be disposed on a downstream side of the second heat exchanger 230 .

The heater 240 may be a positive temperature coefficient heater. Accordingly, the heater 240 increases the temperature of the air that has passed through the second heat exchanger 230 to adjust the temperature of the vehicle interior.

The plurality of temperature control doors may control air moving along the channels CH1, CH2, and CH3. Accordingly, the air whose temperature is adjusted in the air conditioning unit 200 may be controlled by the temperature control door and supplied to the distribution unit 300 .

The plurality of temperature control doors include an upper temperature control door 260a for controlling the amount of air moving to the upper air conditioning channel CH1, and a central temperature for controlling the discharge amount of air moving along the central air conditioning channel CH2. It may include control doors 260b and 260c, and a lower temperature control door 260d for controlling the amount of air moving to the lower air conditioning channel CH3.

The upper temperature control door 260a may adjust the opening amount of the upper air conditioning channel CH1. In this case, the upper temperature control door 260a may be disposed on the upstream side of the upper air conditioning channel CH1, unlike the central temperature control doors 260b and 260c.

The central temperature control doors 260b and 260c may be disposed on the downstream side of the central air conditioning channel CH2 to control the discharge amount of air moved along the central air conditioning channel CH2.

Referring to FIG. 3 , the air conditioning unit 200 includes a first temperature control door 260b for controlling the opening amount of the upper outlet 214 and a second temperature control for adjusting the opening amount of the lower outlet 215 . A door 260c may be included. At this time, since the upper outlet 214 and the lower outlet 215 are spaced apart from the coupling portion, a predetermined mixing area may be formed in the air conditioning unit 200 . Here, the coupling part is a region where the air conditioning unit 200 and the distribution unit 300 are coupled, and may exist on the dash panel DP. In addition, the mixing region may be a region in which the air moving along the upper air conditioning channel CH1 or the lower air conditioning channel CH3 and the air moving along the central air conditioning channel CH2 are mixed.

The first temperature control door 260b may be disposed at the upper outlet 214 communicating with the upper air conditioning channel CH1. Accordingly, when the first temperature control door 260b opens the upper outlet 214, the air that has moved along the upper air conditioning channel CH1 and the air that has passed through the upper outlet 214 are mixed (mixed). After forming the first mixed air, it may be supplied to the distribution unit 300 through the upper side of the central partition wall 213 . Here, the mixing area of the air conditioning unit 200 in which the first mixed air is formed may be referred to as a first mixing area or an upper mixing area.

Referring to FIG. 3 , the first temperature control door 260b may be a plate-shaped flap door.

The second temperature control door 260c may be disposed at the lower outlet 215 communicating with the lower air conditioning channel CH3. Therefore, when the second temperature control door 260c opens the lower outlet 215, the air moving along the lower air conditioning channel CH3 and the air passing through the lower outlet 215 are mixed (mixed). After forming the second mixed air, it may be supplied to the distribution unit 300 through the lower side of the central partition wall 213 . Here, the mixing area of the air conditioning unit 200 in which the second mixed air is formed may be referred to as a second mixing area A or a lower mixing area.

Referring to FIG. 3 , the second temperature control door 260c may be a dome-shaped door.

The lower temperature control door 260d may adjust the opening amount of the lower air conditioning channel CH3. In this case, the lower temperature control door 260d may be disposed on the upstream side of the lower air conditioning channel CH3, unlike the central temperature control doors 260b and 260c.

The distribution unit 300 may distribute the air whose temperature has been adjusted by the air conditioning unit 200 to a specific location in the vehicle interior. At this time, the distribution unit 300 may be disposed in the room (4). And, the distribution unit 300 may include a plurality of outlets.

5 and 6 are views illustrating a lower distribution unit of the air conditioner for a vehicle according to an embodiment, and FIG. 7 is a perspective view illustrating a mode door module disposed inside the lower distribution unit of the air conditioner for a vehicle according to the embodiment.

3 to 7 , the distribution unit 300 includes a housing 310 in which a front seat channel CH4 and a rear seat channel CH5 are formed, a plurality of outlets formed in the housing 310, and discharges through the outlets. It may include a plurality of mode doors for controlling the flow and amount of air, an air volume control door 370 and a blower 380 sequentially disposed on the rear seat channel CH5. In this case, the plurality of outlets may be divided into a front seat outlet for discharging air to a front seat of the vehicle interior and a rear seat outlet for discharging air to a rear seat of the vehicle interior. In addition, the air volume control door 370 , the blower 380 , and the rear seat outlet may be disposed below the front seat outlet in the vertical direction.

Here, the housing 310 may be referred to as a distribution case. In addition, the front seat channel CH4 may be a flow path for guiding air to the front seat outlet, and may be referred to as a first channel or an upper channel. In addition, the rear seat channel CH5 may be a flow path for guiding air to the rear seat outlet, and may be referred to as a second channel or a lower channel. In addition, the blower 380 of the distribution unit 300 may be called an auxiliary blower or a rear seat blower in order to distinguish it from the blower disposed in the blower unit 100 .

Accordingly, the air introduced into the distribution unit 300 is supplied to the interior of the vehicle through at least one of the front seat channel CH4 and the rear seat channel CH5 to provide an individual temperature in an individual area of the vehicle interior 4 . enable control.

In this case, the distribution unit 300 may be composed of an upper distribution unit 300a for supplying the temperature-controlled air to the front seat side and a lower distribution unit 300b for supplying the temperature-controlled air to the rear seat side. Here, the lower distribution unit 300b may be detachably coupled to the lower side of the upper distribution unit 300a. Such a separable structure may improve design freedom along with accessibility for A/S and ease of arrangement of a door disposed therein, a blower 380, and the like.

The housing 310 forms an outer shape of the distribution unit 300 and may be disposed in communication with one side of the air conditioning unit 200 . Accordingly, the air conditioned by the air conditioning unit 200 may move into the housing 310 . Here, in order to implement the upper distribution unit 300a and the lower distribution unit 300b, the housing 310 may be formed in a separate structure. For example, the housing 310 may include an upper housing coupled to the air conditioning unit 200 and a lower housing detachably disposed under the upper housing.

Meanwhile, inside the housing 310, a front seat channel (CH4) is formed to allow air to flow for air conditioning on the front seat side, and a rear seat channel (CH5) is formed to allow air to flow for air conditioning on the rear seat side. may include In this case, the front seat channel CH4 and the rear seat channel CH5 may be separated by a distribution partition wall 311 formed inside the housing 310 . The distribution partition wall 311 may be formed to extend the central partition wall 213 in the front-rear direction.

The distribution partition wall 311 may be formed in various structures. For example, as shown in FIG. 3 , the distribution partition wall 311 may be provided in an open type in which a part of the front seat channel CH4 and the rear seat channel CH5 communicate with each other. Alternatively, as shown in FIG. 9 , the distribution partition wall 311 may be provided in a closed type in which the front seat channel CH4 and the rear seat channel CH5 are closed and separated.

A plurality of the discharge ports are formed in the housing 310 to discharge the temperature-controlled air to individual areas divided in the interior of the vehicle.

3 to 7 , the distribution unit 300 includes a defrost vent 320 , a face vent 330 , and a first-row floor vent 340 provided to the front seat outlet for air conditioning on the front seat side. may include In addition, the defrost vent 320 , the face vent 330 , and the first-row floor vent 340 may be disposed in the upper distribution unit 300a. In addition, a mode door disposed to correspond to each of the defrost vent 320 , the face vent 330 , and the first row floor vent 340 may be disposed. Here, the mode door may selectively open and close each of the defrost vent 320 , the face vent 330 , and the first row floor vent 340 , and may be referred to as an all-seat mode door.

In addition, the distribution unit 300 may include a second-row floor vent 350 and a console vent 360 provided to the rear seat outlet for air conditioning on the rear seat side. Here, the second row floor vent 350 and the console vent 360 may be disposed in the lower distribution unit 300b.

In addition, the defrost vent 320 , the face vent 330 , the first row floor vent 340 , and the second row floor vent 350 may be formed in pairs for left and right independent air conditioning.

Accordingly, the air moving through the front seat channel CH4 is regulated by the front seat mode door and then passes through at least one of the defrost vent 320 , the face vent 330 , and the first row floor vent 340 . It may be discharged to the front seat side. Also, the air moving through the rear seat channel CH5 may be discharged to the rear seat side through at least one of the second row floor vent 350 and the console vent 360 after being controlled by the mode door. In this case, the air moving through the rear seat channel CH5 may be controlled and guided by the air volume control door 370 . Accordingly, the air volume control door 370 may adjust the air volume discharged to the rear seat outlet.

The defrost vent 320 may be formed in the housing 310 to discharge air toward the windshield of the vehicle.

The face vent 330 may be formed in the housing 310 to discharge air toward the face of the front seat passenger. Here, four face vents 330 may be formed in the housing 310 .

The first row floor vent 340 may be formed in the housing 310 to discharge air to the foot side of the front seat (front seat) occupant. Here, the first row floor vent 340 may be referred to as an all-seat floor vent.

The second-row floor vent 350 may be formed in the housing 310 to discharge air to the foot side of a rear seat (rear seat) occupant. In this case, the second row floor vent 350 may be connected to a separate duct (not shown) to discharge air to the foot side of the rear seat passenger. Here, the second row floor vent 350 may be referred to as a rear seat floor vent.

In addition, as shown in FIGS. 5 and 6 , a pair of the second row floor vents 350 may be arranged for left and right independent air conditioning.

The console vent 360 may be formed in the housing 310 to discharge air toward the face of a rear seat (rear seat) occupant. For example, the console vent 360 is connected to a console duct 400 connected to a moving console (not shown) to discharge air toward the face of a rear seat (rear seat) occupant.

The air volume control door 370 may control the air flowing into the rear seat channel CH5. For example, the air volume control door 370 may control the flow and amount of air mixed in the mixing area (A). Here, the air volume control door 370 may be a dome-shaped door, and rotation may be controlled by an actuator.

Referring to FIG. 3 , the air volume control door 370 may be disposed to be spaced apart from the rear side of the second temperature control door 260c. In this case, the air volume control door 370 may be disposed under the distribution dividing wall 311 . And, the air volume control door 370 may be disposed in the upper distribution unit (300a).

Therefore, the air volume control door 370 is spaced apart from the mixing area (A) formed in the air conditioning unit 200 to extend the mixing area (A), so that the air moved along the central air conditioning channel (CH2) and It is possible to expand (extend) an area in which air moving along the lower air conditioning channel CH3 can be mixed. Accordingly, the distribution unit 300 provides a sufficient mixing area in which the air moving along the central air conditioning channel CH2 and the air moving along the lower air conditioning channel CH3 can be mixed. It is possible to improve the air conditioning quality of the air moving toward the rear seat channel (CH5) without disposing a separate heat exchanger.

Meanwhile, the end of the air volume control door 370 moves between an open position in which the rear seat channel is in an open state and a closed position in which the rear seat channel is in a closed state, thereby controlling the air flowing into the rear seat channel CH5.

The blower 380 may control the amount of air flowing into the rear seat channel CH5 together with the air volume control door 370 . For example, the distribution unit 300 may be driven according to the opening amount of the air volume control door 370 .

In this case, the blower 380 may be disposed on the downstream side of the airflow control door 370 based on the flow of air. For example, the blower 380 may be disposed in the lower distribution unit 300b. Accordingly, since the air volume control door 370 and the blower 380 can implement a vertical arrangement structure, space utilization of the vehicle interior 4 can be improved.

Here, the distribution unit 300 may improve air conditioning quality by minimizing ventilation resistance through the arrangement relationship between the air volume control door 370 and the blower 380 . In detail, the vehicle air conditioner 1 is controlled to optimize the air supplied to the moving console by providing an optimized position of the air volume control door 370 and the blower 380 of the distribution unit 300 . can do.

3 and 4 , the air volume control door 370 and the blower 380 may be disposed between the dash panel DP and the instrument center panel 6 in the front-rear direction. In detail, the air volume control door 370 and the blower 380 may be located in front of the instrument center panel 6 in the front-rear direction.

In addition, the rotation center C1 of the air volume control door 370 may be overlapped within the range of the outermost shell (outer diameter) of the blower 380 based on the vertical direction. In addition, the rotation center C3 of the mode door module 390, which will be described later, may be disposed to overlap within the outermost range of the blower 380 based on the vertical direction.

In addition, the rotation center C2 of the blower may be disposed within the range of the angle θ between the open position and the closed position with respect to the rotation center C1.

And, the rotation center (C2) of the blower 380 disposed on the lower side than the rotation center (C1) of the air volume control door 370 is spaced apart from the rear side than the rotation center (C1) based on the front-rear direction can be placed. Accordingly, it is possible to minimize the ventilation resistance by optimizing the flow of air according to the opening amount of the air volume control door 370 . If the rotation center (C1) of the air volume control door 370 is disposed behind the rotation center (C2) of the blower 380, ventilation resistance is increased, which is disadvantageous to noise, and it is difficult to secure a smooth air volume. Occurs.

In detail, the rotation center C2 of the blower 380 based on the front-rear direction is a virtual first line L1 extending in the vertical direction from the open position of the air volume control door 370 and the closed position. It may be disposed between the imaginary second lines L2 extending in the vertical direction.

At this time, based on the front-rear direction, the first distance D1 from the first line L1 to the rotation center C2 of the blower 380 is the rotation center C2 of the blower from the second line L2. ) by arranging the rotation center C2 of the blower 380 so as to be smaller than the second distance D2 to ) to optimize the arrangement position of the blower 380 in response to the air flowing along the rear seat channel CH5. have.

Furthermore, by arranging the center of rotation C2 of the blower 380 on an imaginary third line L3 extending in the direction from the half-open position where the end of the air volume control door 370 in the half-open state is disposed, The arrangement position of the blower 380 may be further optimized. Here, the half-open state may be defined as that the end of the air volume control door 370 is positioned at a position where the air volume control door opens only half of the rear seat channel CH5.

Referring to FIG. 6 , the blower 380 may be a bidirectional wheel blower in which two fans are disposed on the axis of the shaft of the motor. For example, as shown in FIG. 6 , the blower 380 may be implemented in a form in which the fan is coupled to one end and the other end of the shaft. Here, the shaft (shaft) of the motor may be disposed in the vehicle width direction.

In addition, the lower distribution unit 300b may include two air inlets 300b-1 formed to correspond to each of the fans. Here, the two air inlets 300b - 1 may be formed in the upper portion of the lower housing.

A plurality of the mode doors correspond to the defrost vent 320 , the face vent 330 , the first row floor vent 340 , the second row floor vent 350 , and the console vent 360 of the housing 310 . A plurality may be disposed therein. Accordingly, since the flow and air discharge amount of the air supplied from the air conditioning unit 200 can be controlled by the mode door, the vehicle air conditioner 1 can perform various air discharge modes.

For example, some of the plurality of mode doors may be disposed inside the upper distribution unit 300a to correspond to the defrost vent 320 , the face vent 330 , and the first row floor vent 340 . In addition, some of the plurality of mode doors may be disposed inside the lower distribution unit 300b to correspond to the second row floor vent 350 and the console vent 360, and the distribution unit 300 is a door module. can be used to control the air flowing through the second row floor vent 350 and the console vent 360 .

3 to 7 , the distribution unit 300 may further include a mode door module 390 for controlling the air flowing through each of the second row floor vent 350 and the console vent 360 .

The mode door module 390 is disposed on the downstream side of the air discharged through the blower 380 to control the air discharged through the second row floor vent 350 and the console vent 360 .

As shown in FIG. 7 , the mode door module 390 is provided as an assembly in which a plurality of mode doors are disposed to share a single rotation center C3, so that the second row floor vent 350 and the console vent 360 are provided. ) can effectively control the air moving through

Here, it is exemplified that the mode door module 390 is provided as an assembly in which a plurality of mode doors are assembled to share one center of rotation, but is not limited thereto. For example, a plurality of mode doors having different rotation centers may be provided in terms of air conditioning quality through individual control, but the mode door module 390 may be selected in terms of assembly tolerance, assembly efficiency, and control efficiency.

Referring to FIG. 7 , the mode door module 390 may include two first mode doors 390a and one second mode door 390b disposed on one rotation center C3 . Here, the second mode door 390b may be disposed between the two first mode doors 390a. In addition, the first mode door 390a may open and close the second row floor vent 350 , and the second mode door 390b may open and close the console vent 360 . In this case, the first mode door 390a may be called a second row floor vent door or a rear seat floor vent door, and the second mode door 390b may be called a console vent door.

And, the rotation center (C3) of the mode door module 390 is to be disposed between the rotation center (C1) of the air volume control door 370 and the rotation center (C2) of the blower 380 based on the front-rear direction. can

8 is a view illustrating a coupling of a distribution unit and a variable console duct of an air conditioner for a vehicle according to an embodiment.

Referring to FIG. 8 , the console duct 400 may be detachably coupled to one side of the console vent 360 . Accordingly, the air discharged through the console vent 360 may be supplied to the console box by the console duct 400 .

The console duct 400 may have a variable length corresponding to the moving console. For example, the console duct 400 may be formed in a structure in which some ducts constituting the console duct 400 move along the inside of another duct, such as an antenna type.

Accordingly, since the vehicle air conditioner 1 can provide the distribution unit 300 in which the arrangement relationship between the air volume control door 370 and the blower 380 is optimized, even if the position of the moving console is changed, the air volume control door Air with improved air conditioning quality may be supplied to the vehicle interior 4 through the 370 , the blower 380 , and the mode door module 390 .

Although the above has been described with reference to the embodiments of the present invention, those of ordinary skill in the art can variously modify and modify the present invention within the scope without departing from the spirit and scope of the present invention described in the claims below. You will understand that it can be changed. And, it should be construed as being included in the scope of the present invention defined in the appended claims for differences related to such modifications and changes.

1: Vehicle air conditioning system
100: blower unit
200: air conditioning unit
210: air conditioning case 220: first heat exchanger
230: second heat exchanger 240: heater
300: distribution unit
310: housing 370: air volume control door
380: blower 390: mod door module
400: console duct
A: Mixing Area

Claims (16)

blower unit;
an air conditioning unit for controlling the temperature of the air supplied from the blower unit; and
and a distribution unit for distributing the air discharged from the air conditioning unit to a specific location in the vehicle interior;
The distribution unit is disposed in communication with the air conditioning unit and includes a housing having a front seat outlet and a rear seat outlet, and an air volume control door and an auxiliary blower that are sequentially disposed on the rear seat channel through which the air supplied from the air conditioning unit moves. ,
The air volume control door controls the amount of air discharged to the rear seat outlet,
The air conditioner door, the auxiliary blower, and the rear seat outlet are disposed below the front seat outlet. According to claim 1,
The rotational center (C2) of the auxiliary blower disposed on the lower side than the rotational center (C1) of the air flow control door is an air conditioner for a vehicle that is disposed to be spaced apart from the rear side of the rotational center (C1) based on the front-rear direction. 3. The method of claim 2,
The air conditioning unit is
A central air conditioning channel in which a heat exchanger and a heater are disposed;
a lower air conditioning channel forming a flow of air bypassing the central air conditioning channel; and
and a mixing area in which the air passing through the central air conditioning channel and the air passing through the lower air conditioning channel meet and mix. 4. The method of claim 3,
The air conditioner door is disposed to be spaced apart from the mixing area formed in the air conditioning unit to extend the mixing area. blower unit;
an air conditioning unit for controlling the temperature of the air supplied from the blower unit; and
and a distribution unit for distributing the air discharged from the air conditioning unit to a specific location in the vehicle interior;
The air conditioning unit includes a central air conditioning channel in which a heat exchanger and a heater are disposed, a lower air conditioning channel through which air flowing separately from the central air conditioning channel moves, and air passing through the central air conditioning channel and air passing through the lower air conditioning channel meet a mixing area to be mixed;
The distribution unit includes a housing arranged in communication with the air conditioning unit, and an air volume control door and an auxiliary blower sequentially arranged on a rear seat channel formed to allow air supplied from the air conditioning unit to move,
The air conditioner door is disposed to be spaced apart from the mixing area of the air conditioning unit in communication with the rear seat channel to have a predetermined distance. 6. The method of claim 1 or 5,
The end of the air volume control door moves between an open position in which the rear seat channel is in an open state and a closed position in which the rear seat channel is in a closed state,
For a vehicle in which the center of rotation C2 of the auxiliary blower is disposed between a first virtual line L1 disposed in the vertical direction in the open position and a second virtual line L2 disposed in the vertical direction in the closed position air conditioner. 7. The method of claim 6,
The first distance D1 from the first line L1 to the rotation center C2 of the auxiliary blower based on the front-rear direction is from the second line L2 to the rotation center C2 of the auxiliary blower The air conditioner for a vehicle smaller than the second distance (D2). 8. The method of claim 7,
On the virtual third line (L3) extending in the vertical direction, the rotation center (C2) of the auxiliary blower and the end of the air volume control door in the semi-open state are disposed,
The half-open state is defined as that the air volume control door half-opens the rear seat channel. 8. The method of claim 7,
A rotation center C2 of the auxiliary blower is disposed on a virtual third line L3 extending in the vertical direction,
An air conditioner for a vehicle in which a center of rotation (C3) of the mode door module is disposed between the first line (L1) and the third line (L3) based on the front-rear direction. 7. The method of claim 6,
A vehicle air conditioner in which the rotation center (C2) of the auxiliary blower is disposed within the range of the angle (θ) between the open position and the closed position based on the rotation center (C1) of the air volume control door. 6. The method of claim 1 or 5,
The distribution unit includes a mode door module disposed on the downstream side of the air discharged through the auxiliary blower,
The rotation center (C3) of the mode door module is disposed between the rotation center (C1) of the air volume control door and the rotation center (C2) of the auxiliary blower based on the front-rear direction. 12. The method of claim 11,
The mode door module controls the air discharged through the rear seat floor vent and the console vent,
The console duct connected to the console vent has a variable length. 6. The method of claim 1 or 5,
The blower unit and the air conditioning unit are disposed in an engine room partitioned by a dash panel,
The distribution unit is an air conditioner for a vehicle that is disposed in a vehicle interior partitioned by the dash panel. 14. The method of claim 13,
The distribution unit includes an upper distribution unit and a lower distribution unit detachably disposed on the upper distribution unit,
The air volume control door is disposed inside the upper distribution unit,
The auxiliary blower is an air conditioner for a vehicle disposed inside the lower distribution unit. 15. The method of claim 14,
The auxiliary blower is provided as a wheel blower in which at least two fans are disposed on the axial line of the shaft,
The lower distribution unit corresponding to each of the two fans includes two air inlets. 15. The method of claim 14,
The dash panel includes a step portion formed on the lower side with respect to the vertical direction,
The step portion is concavely formed toward the engine room,
A part of the lower distribution unit is an air conditioner for a vehicle disposed in an area where the step portion is formed.

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