KR20040102761A - Air conditioner for vehicle - Google Patents

Abstract

PURPOSE: An air conditioner for a vehicle is provided to reduce the flow resistance through improvement of a flow line of air passing through a heater core and to improve the freedom of design in positioning a drain hole for discharging condensate. CONSTITUTION: An air conditioner for a vehicle is installed between a dash panel(P1) for diving an engine room, and an in-panel(P2) for dividing the room of the vehicle. The air conditioner comprises an air conditioner case(110) having an air passage(111) and having vent openings(113,114) and a floor opening(115); a heater core(130) adjacent to the dash panel side of the air passage of the air conditioner; an evaporator(120) arranged to the in-panel side of the air passage; and a warm air guide unit(140) for selectively guiding warm air passing through the heater core to the floor opening and/or the vent openings correspondently to a mode selected by a passenger. The air-conditioned air discharged to the upper part of the room of the vehicle flows in the vent opening. The floor opening is arranged to the in-panel side and air-conditioned air discharged from the lower part of the room of the vehicle flows in the floor opening.

Description

Air conditioner for vehicle

The present invention relates to a vehicle air conditioner, and more particularly, to a vehicle air conditioner for supplying cold air and / or warmth into a vehicle in response to a mode selected by a passenger.

In general, the vehicle air conditioner is to create a comfortable environment by adjusting the temperature and humidity in the vehicle cabin, and includes a cooling device for cooling the interior of the vehicle and a heating device for heating the interior of the vehicle according to the purpose.

The air conditioner is a device for producing cold air by absorbing the latent heat of vaporization necessary for evaporation of the refrigerant from the air flowing around the evaporator while the refrigerant flows into the evaporator, and supplies the produced cold air into the cabin.

The heating apparatus generally induces high temperature coolant that has cooled the engine to the heater core, and generates warmth by heating air flowing around the heater core by the coolant induced in the heater core. It is a device to supply into the cabin.

To this end, generally, an air conditioner for a vehicle includes an air conditioning case having an air flow path through which air flows, and a heat exchanger for cooling and heating arranged sequentially in the air flow path of the air conditioning case to produce cold or warm air.

1 is a cross-sectional view schematically showing a conventional vehicle air conditioner.

Referring to the drawings, the vehicle air conditioner is installed between a dash panel (P ₁ ) partitioning the engine compartment and an in panel (P ₂ ) partitioning the vehicle compartment. The air conditioner for a vehicle includes an air conditioner case 10 having an air flow path 11 through which air introduced into the air inlet 12 by a blower unit (not shown) flows, and the air conditioner case 10 of the air conditioner 10. An evaporator 20 and a heater core 30 which are cooling and heating heat exchangers sequentially arranged in the air passage 11 are provided. On the other hand, the temp door 16 is rotated to control the opening and closing of the connection passage formed between the evaporator 20 and the heater core 30. In such a vehicle air conditioner, when the occupant selects a desired mode, the opening and closing of the switching doors is controlled according to the selected mode. ) Is taken out and discharged into the vehicle compartment.

However, in the conventional vehicle air conditioner configured as described above, the heater core 30 is an air conditioning case 10 to blow air passing through the heater core 30 toward the openings 13, 14, and 15. Since it is located in the approximately central portion of the heater core 30, the flow passage should be formed at the rear of the air conditioner case is thickened to occupy a lot of interior space of the vehicle. For this reason, it is not possible to adequately respond to the demands of the vehicle manufacturers who have recently demanded a thinner air conditioner in order to maximize the space in the cabin.

In addition, since the flow line of air passing through the heater core 30 is formed to be curved, the flow resistance of the air increases.

Furthermore, the position of the drainage hole for draining the condensed water condensed in the evaporator is limited to the bottom of the air conditioning case 10 corresponding between the evaporator 20 and the heater core 30, so that the degree of freedom in designing the positioning of the drainage hole Falls.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object thereof is to provide a vehicle air conditioner that can be thinned by reducing the width in the front and rear directions of the vehicle.

In addition, it is another object to provide a vehicle air conditioner to reduce the flow resistance by improving the flow line of air passing through the heater core.

Furthermore, it is another object to provide a vehicle air conditioner which improves the degree of freedom of design for the positioning of the drainage hole draining the condensed water condensed in the evaporator.

In addition, another object is to provide a vehicle air conditioner that can flexibly respond to the mode selected by the occupant.

1 is a cross-sectional view schematically showing a conventional vehicle air conditioner,

2 is a cross-sectional view schematically showing a vehicle air conditioner according to an embodiment of the present invention;

3 is a perspective view showing an embodiment of the warmth guide means shown in FIG.

<Brief description of symbols for the main parts of the drawings>

110 ... HVAC case 110a ... HVAC case bottom wall

110b ... air conditioner side wall 111 ... air flow path

112 ... inlet 113 ... defrost opening

114 ... face opening 115 ... floor opening

116 ... sliding door 120 ... evaporator

130 Heater core 140 Warming means

141 rotating shaft 142 induction pipe

142a ... Induction route 142b ... Cold passage

143 ... Rotating means P ₁ ... dash panel

P ₂ ... in panel

In order to achieve the above object, the vehicle air conditioner of the present invention is installed between the dash panel for partitioning the engine room and the in-panel partitioning the car compartment, and forms an air flow path therein, and is disposed at the upper end to An air conditioning case defining a vent opening through which air air discharged into the upper half flows and a floor opening through which air conditioning air discharged into the lower half of the compartment is introduced; A heater core adjacent to the dash panel side in the air flow path of the air conditioning case and disposed substantially parallel to the dash panel; An evaporator disposed adjacent to the in-panel side of the air passage of the air conditioning case; And warmth guide means for selectively directing warmth that has passed through the heater core toward the floor opening and / or vent opening corresponding to the mode selected by the occupant.

Here, the warmth inducing means is preferably installed at a portion where the warmth passing through the heater core and the cold air passing through the evaporator are mixed.

In addition, the warmth induction means is a rotational shaft rotatably installed on the inner wall of the air conditioning case, the induction furnace is fixed to the rotational shaft at predetermined intervals along the axial direction, the warmth passing through the heater core therein is guided And a plurality of induction pipes forming a cold air passage through which the cold air passing through the evaporator passes, and rotating means for rotating the rotating shaft in response to a mode selected by the occupant.

In addition, the evaporator is preferably installed substantially parallel to the heater core.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 is a cross-sectional view schematically showing a vehicle air conditioner according to an embodiment of the present invention, Figure 3 is a perspective view showing an embodiment of the warmth induction means shown in FIG.

Referring to the drawings, the vehicle air conditioner according to the embodiment of the present invention is installed between the dash panel (P ₁ ) for partitioning the engine room and the in-panel (P ₂ ) partitioning the vehicle compartment. The air conditioner installed as described above includes an air conditioner case 110 having an air flow path 111 through which the introduced air flows, and an evaporator sequentially disposed in the air flow path 111 of the air conditioning case 110. And a heater core 130.

The upper end of the air conditioning case 110 is formed with a vent opening through which the air is discharged to the upper half of the vehicle compartment, such as the defrost opening 113 and the face opening 114, and the phosphorus of the air conditioning case 110 is formed. On the side of the panel P ₂ , there is formed a floor opening 115 through which air conditioning air discharged to the lower half of the vehicle compartment flows.

The heater core 130 is close to the dash panel (P ₁₎ side and substantially parallel with the dash panel (P _1). On the other hand, the evaporator 120 is disposed to be adjacent to the in-panel P ₂ side. Here, the evaporator 120 and the heater core 130 may be disposed in substantially parallel to further reduce the width in the front and rear direction of the vehicle.

The air inlet 112 of the air flowing into the air passage 111 of the air conditioning case 110 is formed to be adjacent to the phosphorous panel P ₂ at the bottom of the evaporator 120. The side wall 110b of the air conditioning case adjacent to the heater core 130 is substantially perpendicular to the bottom wall 110a of the air conditioning case.

The air passing through the evaporator 120 and / or the heater core 130 is blown out into the vent openings 113 and 114 and / or the floor opening 115 in response to a mode selected by the user. Here, the evaporator 120 and the heater The temporal door 116 installed between the cores 130 controls the opening degree of the connection passage formed between the evaporator 120 and the heater core 130. The temporal door 116 may reduce the width in the front and rear directions of the vehicle by using a sliding door as shown.

According to an aspect of the present invention configured as described above, the air conditioner selectively warms the heat passing through the heater core 130 in response to the mode selected by the occupant the floor opening 115 and / or vent opening 113, 114 It is provided with a warmth guide means 140 that can guide toward.

As shown in FIG. 2 and FIG. 3, the warmth inducing means 140 may be installed at a portion where the warmth passing through the heater core 130 and the cold air passing through the evaporator 120 are mixed. In addition, the warmth induction means 140, the rotary shaft 141 is rotatably installed on the inner wall of the air conditioning case 110, and a plurality of induction pipes fixed to the rotary shaft 141 at predetermined intervals along its axial direction. 142, and a rotation means 143 for rotating the rotary shaft 141 corresponding to the mode selected by the occupant, such as a motor. An induction path 142 is formed inside the induction pipe 142 to guide the warmth passing through the heater core 130, and between the induction pipes 142 on the outside of the induction pipe 142. The cold air passage 142b through which the cold air passing through the evaporator 120 passes is formed. Referring to the operation of the warmth induction means 140 is as follows.

When the occupant selects a mix mode in which warm air is blown out to the floor opening 115 and cold air is blown out into the vent openings 113 and 114, the driving means 143 controlled by the controller (not shown) is the rotating shaft 141. ) To rotate the induction pipe 142 to the position of "A". When the induction pipe 142 is rotated to the position of "A", the warmth passing through the heater core 130 is directed toward the floor opening 115 through the induction path 142a formed inside the induction pipe 142. The cold air passing through the evaporator 120 flows toward the vent openings 113 and 114 through the cold air passage 142b formed outside the induction pipe 142. Therefore, the cold air and warm air are easily separated, and the warm air is blown out into the floor opening 115, and the cold air is blown out into the vent openings 113 and 114.

On the other hand, when the occupant selects the vent mode to blow out the air-conditioning air mixed with hot and cold air toward the vent openings 113 and 114, the induction pipe 142 is rotated to the position of "B". As such, when the induction pipe 142 is rotated to the position of "B", the warmth passing through the heater core 130 is guided toward the vent openings 113 and 114 through the induction path 142a and passes through the evaporator 120. The cold air flows toward the vent openings 113 and 114 through the cold air passage 142b. The warm and cold air moved toward the vent openings 113 and 114 are combined with each other and discharged into the vehicle interior through the vent openings 113 and 114.

According to the embodiment of the present invention configured as described above, not only can the hot and cold air can be easily separated by using the warmth induction means 140, but also the warmth can be easily induced toward each of the openings 113, 114, and 115. The passenger can flexibly respond to the selected mode. In addition, the side wall 110b of the air conditioning case adjacent to the heater core 130 may be installed substantially perpendicular to the bottom wall 110a of the air conditioning case, thereby reducing the width in the front and rear directions of the vehicle. Further, by installing the evaporator 120 and the heater core 130 in substantially parallel, the width in the front and rear direction of the vehicle can be further reduced. In addition, the air inlet 112 is formed at the lower portion of the evaporator 120 so as to be adjacent to the in panel P ₂ , so that the space utilization rate inside the air conditioning case 110 is optimized. That is, the evaporator 120 may be located at an approximately center portion of the air conditioning case 110. Accordingly, the flow resistance of the flowing air can be reduced by connecting toward the openings 113, 114, and 115 without forming the curved flow line of the air. In addition, since the position of the drainage hole 113 through which the condensed water condensed by the evaporator 120 is drained can be formed not only on the in-panel P ₂ side but also on the dash panel P ₁ side, the position of the drainage hole 113. Freedom of design for configuration is improved.

As described above, according to the vehicle air conditioner according to the present invention, the following effects can be obtained.

First, not only can the hot and cold air be easily separated by using the warmth induction means, but also the warmth can be easily induced toward each opening, and thus it is possible to flexibly respond to the mode selected by the occupant.

Second, it is possible to reduce the width in the front and rear direction of the vehicle to be thinner. Therefore, it is possible to meet the demand of the vehicle manufacturer.

Third, it is possible to reduce the flow resistance of the air by improving the flow line of air passing through the heater core.

Fourth, it is possible to improve the design freedom of the drain hole of the condensate condensed in the evaporator.

Although the present invention has been described with reference to the embodiments illustrated in the accompanying drawings, it is merely an example, and those skilled in the art may realize various modifications and equivalent other embodiments therefrom. Will understand. Therefore, the true scope of protection of the present invention should be defined by the technical spirit of the appended claims.

Claims (4)

In the vehicle air conditioner installed between the dash panel for partitioning the engine room and the in-panel partitioning the vehicle compartment, An air flow path is formed therein, and a vent opening is formed at the upper end to allow air to be discharged into the upper half of the compartment, and a floor opening is provided to the air panel disposed at the in panel side to discharge air to the lower half of the compartment. An air conditioning case; A heater core adjacent to the dash panel side in the air flow path of the air conditioning case and disposed substantially parallel to the dash panel; An evaporator disposed adjacent to the in-panel side of the air passage of the air conditioning case; And And a warmth induction means for selectively inducing warmth passing through the heater core toward the floor opening and / or the vent opening corresponding to a mode selected by a passenger. The method of claim 1 The warm air inducing means is installed on the hot air passing through the heater core and the cold air passing through the evaporator is installed in a vehicle air conditioner, characterized in that. The method of claim 2 The warmth guide means, and the rotating shaft is rotatably installed on the inner wall of the air conditioning case, A plurality of inductions are fixed to the rotating shaft at predetermined intervals along the axial direction, and form an induction path through which the warmth passing through the heater core is induced, and a cold air passage through which the cold air passing through the evaporator passes through the outside. Tube, And a rotating means for rotating the rotary shaft in response to a mode selected by the occupant. The method according to any one of claims 1 to 3 And the evaporator is installed in substantially parallel with the heater core.