KR20100005924A - Air conditioner for vehicles - Google Patents

Abstract

PURPOSE: An air-conditioner for a vehicle is provided to discharge the condensate and to prevent leakage of condensate by mounting left and right cases. CONSTITUTION: An air-conditioner for a vehicle comprises an air conditioner case(110), a condensate drain part, and a guide member(150). The condensate dropped from an evaporator is guided to one case located outside a parting line of the air conditioner case. A drain groove(155) is formed on the other side case.

Description

Automotive air conditioning unit {AIR CONDITIONER FOR VEHICLES}

The present invention relates to a vehicle air conditioner, and more particularly, in an air conditioner case of an air conditioner, a separate lower case for receiving condensate generated in an evaporator installed inside the air conditioner case and discharging it to the outside. The present invention relates to a vehicle air conditioner which prevents a phenomenon in which condensate may leak between left and right case parting lines of an air conditioning case.

In general, a vehicle air conditioner is a device for cooling or heating an interior of a vehicle by introducing external air into a vehicle interior or by heating or cooling in a process of circulating air into the interior of a vehicle. By keeping the indoor contaminated fresh or at a temperature suitable for activities to maintain a comfortable room.

An evaporator having a cooling function for generating a low temperature by evaporating liquid refrigerant to absorb heat by latent heat of heat by evaporating a refrigerant of the liquid, and a heater core for heating the introduced air. It is configured to selectively blow the air cooled or heated by the evaporator and the heater core to each part of the vehicle interior by using a blowing mode switching door.

The vehicle air conditioner has a three-piece type structure in which the three units are independently provided according to the arrangement of the blower unit, the evaporator, and the heater core unit, the evaporator unit and the heater core unit are built in the air conditioning case, and the blower unit is separate. It can be divided into a semi-center type structure is provided as a unit of, and a center mounting type structure in which all three units are built in the air conditioning case.

FIG. 1 is a perspective view showing a semi center type air conditioner 1 of the vehicle air conditioners, wherein the air conditioner 1 has an air inlet 23 formed at the inlet side and a plurality of air outlets at the outlet side. The air blower unit 10 is formed of an air conditioner case 20 and an air inlet and an air inlet 116 formed on the upper side to selectively introduce internal / external air to forcibly blow the air to the air inlet 23. It is composed.

In addition, as shown in FIG. 2, an evaporator 30 and a heater core (not shown) are sequentially installed in the air conditioning case 20, and a temperature for temperature control is provided in the air conditioning case 20. Control doors (not shown) and mode doors (not shown) for performing various air conditioning modes are installed.

According to the air conditioning apparatus 1, the air blown into the air conditioning case 20 by the operation of the blower unit 10 passes through the evaporator 30, and the air passes through the heater core by the temperature control door. In the process of selectively passing through the cooling or overheating, the cooled or heated air is supplied to the interior of the vehicle through the respective ducts (not shown) connected to the plurality of air outlet 24 to perform the cooling or heating action. .

On the other hand, during operation of the vehicle air conditioner system, since the coolant is circulated inside the evaporator 30, condensed water is generated around the evaporator 30 during the heat exchange process with the outside air.

The condensed water drops to the lower portion of the air-conditioning case 20 by the wind flowing down or blown in the direction of gravity on the evaporator 30, and then the condensate outlet 21 formed in the lower portion of the air-conditioning case 20. It is discharged to the outside through.

In addition, the air conditioning case 20 has a structure in which the upper cases 20a and 20b and the integrated lower case 20c for preventing the leakage of condensate are typically coupled to each other, as shown in FIG. 1. The evaporator 30 is assembled between the 20a and 20b and the lower case 20c. Here, the upper cases 20a and 20b are composed of a left case 20a and a right case 20b.

The conventional air conditioning case 20 has the following problems.

Since the conventional air conditioner case 20 separately configures a lower case 20c for preventing the leakage of condensate generated in the evaporator 30, a problem in that manufacturing cost increases.

In addition, since a screw (screw) is used to couple the lower case 20c to the upper cases 20a and 20b to which the left case 20a and the right case 20b are coupled, the workmanship is increased and the work process efficiency is increased. Falling problem occurs.

The present invention has been made to solve the conventional problems as described above, the object is, the vehicle air conditioning apparatus that can prevent the leakage of condensate even without separately configuring a lower case for preventing the leakage of condensate generated in the evaporator To provide.

In addition, another object of the present invention is to provide a vehicle air conditioner that can modify the structure of the air conditioning case to prevent the leakage of condensate, the process of manufacturing the air conditioning case is simple and can reduce the manufacturing cost.

In order to achieve the above object, the present invention, the air conditioner case coupled to the left case and the right case, and the condensate for discharging the condensate generated in the evaporator installed in the lower portion of the air conditioning case to the outside to the outside In the vehicle air conditioner having a discharge unit, a guide member which is installed in any one case of the air conditioning case to guide the condensate falling from the evaporator to the other case outside the parting line of the air conditioning case is provided, the other case It characterized in that the discharge groove is formed.

In addition, according to the present invention is characterized in that the guide member installed in one case is formed to be inclined at a predetermined angle toward the other case.

The condensate discharge unit may include a first condensate discharge port formed in one side of an air conditioning case in which the discharge groove is formed, and primarily receiving condensate generated in the evaporator and discharging the condensate to the outside; It is installed on the other side of the case opposite to the first drain outlet, the condensed water to the outside by receiving the condensate that can be leaked on the lower coupling surface that is not accommodated in the first drain outlet secondary contact the left and right cases And a second condensate discharge portion to be discharged.

In addition, according to the present invention, the parting lines of the left and right cases in which the condensate discharge parts are formed are shifted, and the upper and lower coupling surfaces of the left and right cases are discharged to the condensate discharge parts.

As described above, according to the vehicle air conditioner according to the present invention, by improving the coupling structure of the left and right cases, the condensate can be drained to the outside without having a separate lower case for preventing the leakage of condensate generated in the evaporator. Has the effect. Therefore, the cost of manufacturing the lower case is reduced and the work process is easy.

In addition, the left and right cases are combined to form an air conditioning case, but the condensed water flows down to any one of the left and right cases, and is drained to the outside, whereby condensate can leak out through the parting line of the air conditioning case. It is effective to prevent. Therefore, since the lower case for collecting a separate condensate is unnecessary, cost reduction and labor can be saved.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the present invention will be described in more detail. The same parts as in the prior art will be described with the same reference numerals.

3 is a perspective view showing a vehicle air conditioner according to the present invention, Figure 4 is an exploded perspective view showing a guide member and a discharge groove of the vehicle air conditioner according to the present invention, Figure 5 is a guide member of the vehicle air conditioner according to the present invention And a perspective view showing a discharge groove, Figure 6 is a side cross-sectional view showing a vehicle air conditioner according to the present invention, Figure 7 is a front sectional view showing a vehicle air conditioner according to the present invention, Figure 8 is a condensate discharge unit according to the present invention It is sectional drawing shown.

As shown in FIG. 3, the vehicle air conditioner 100 according to the present invention includes an air conditioning case 110 formed by combining a left case 110a and a right case 110b with each other, and formed in the air conditioning case 110. It is composed of an intake duct 130 that selectively enters the internal and external air through the internal and external air inlets 131 and 132.

In addition, a blower unit 120 is installed on the downstream side of the intake duct 130 formed in the air conditioning case 110, and the evaporator 101 and the heater which are sequentially installed at regular intervals inside the air conditioning case 110. And a core (Heater Core) 102.

The air conditioning case 110 has a scroll portion 111 is formed on the inlet side, the blower unit 120 is detachably coupled to one side of the scroll unit 111, but the blower fan of the blower unit 120 ( The portion 121 is inserted into the scroll portion 111.

Here, the blower unit 120 is rotatably embedded in the scroll unit 111, the blowing fan 121 for sucking and blowing air and the motor 123 for rotating the blowing fan 121 In addition to the support is made of a motor housing 122 that is detachably bolted to one side of the scroll portion 111.

In addition, the inlet ring for guiding the inside and the outside air introduced into the selection buckles through the intake duct 130 through the intake duct 130 at the other side of the scroll unit 111 is operated. 111a is formed.

And, the air conditioning case 110, the intake duct 130 is coupled to one side of the scroll portion 111 which is the inlet side, the outlet side has a plurality of air discharge openings are controlled by the mode door 113 Is formed.

Here, the air discharge port is a defrost vent (112a) for discharging the air toward the windshield of the vehicle, a face vent (112b) for discharging the air toward the face of the occupant and a floor vent for discharging the air toward the foot of the occupant ( 112c). Therefore, the vents 112a, 112b, and 112c are opened and closed by the mode door 113, and the opening degree thereof is adjusted to perform various air conditioning modes.

In addition, the evaporator 101 and the heater core 102 are sequentially installed on the internal air passage of the air conditioning case 110 with a predetermined distance from each other, between the evaporator 101 and the heater core 102. A temperature control door 114 is installed to adjust the amount of mixing the cold air passing through the evaporator 101 and the warm air passing through the heater core 102 by adjusting the opening degree of the cold air passage and the warm air passage.

In addition, the intake duct 130 is coupled to a side at which the inlet ring 111a of the scroll part 111, which is an inlet side of the air conditioning case 110, is located.

The inside and outside air conversion doors 135 are installed in the intake duct 130 to adjust the opening degree of the inside air inlet 131 and the outside air inlet 132, and the inside and outside air conversion doors 135 are bet or The outside air can be selectively introduced.

In addition, the air conditioning case 110 is formed by combining the left case 110a and the right case 110b.

In addition, the condensate discharge unit 140 for discharging the condensate generated from the evaporator 101 installed inside the air conditioning case 110 to the outside, the description of the condensate discharge unit 140 of the present invention It demonstrates in detail in the vehicle air conditioner.

Meanwhile, in the vehicle air conditioner, according to the present invention, condensed water which is installed in one case of the air conditioning case 110 and falls from the evaporator 101 is transferred to the other case outside the parting line of the air conditioning case 110. It is provided with a guide member 150 for guiding.

As shown in FIG. 4 and FIG. 5, the guide member 150 is formed at a lower portion of an evaporator (not shown) installed inside the air conditioning case 110, and forms a left and right side of the air conditioning case 110. Is installed in any one of the case (110a, 110b) is formed inclined in the direction of the case where the guide member 150 is not installed.

Here, in the vehicle air conditioner illustrated in this drawing, the guide member 150 is installed in the left case 110a in one embodiment.

In addition, the evaporator 101 is inclined at a predetermined angle by the internal shape of the air conditioning case 110 as shown in FIG. 6, and the condensate generated in the evaporator 101 moves the evaporator 101 vertically downward. Ride down.

In this case, the shape of the guide member 150 is formed to be inclined both sides are bent (Vending) downward. Thus, the guide member 150 is formed so that the condensed water flowing down the evaporator 101 to the bent portion can be collected in one place.

In addition, as illustrated in FIG. 7, the guide member 150 formed on the left case 110a passes a parting line of the air conditioning case 110 to which the left and right cases 110a and 110b are coupled. It extends as much as is inclined to the right case (110b).

This is to collect condensate generated in the evaporator 101 in one place and to discharge the condensate to the outside to prevent the condensate from leaking through the parting line of the air conditioning case 110.

At this time, the other case of the guide member 150 installed in one case, that is, the right case 110b of the present embodiment is formed with a discharge groove 155 to accommodate the condensed water condensed water contained in the discharge groove 155 condensate The discharge unit 140 is formed to be discharged to the outside.

In addition, the discharge groove 155 is formed in the width direction of the right case (110b) as shown in Figure 4 and 5 and that the condensate can flow to the left case (110a) beyond the discharge groove (155). In order to prevent the locking step 146 having a step higher than the discharge groove 155 is formed.

At this time, the contact surface of the locking step 146 is in contact with the same line as the contact surface of the left case (110a), which is the same as the contact surface of the condensate discharge unit 140 as shown in Figs.

The discharge groove 155 formed in the lower portion of the right case 110b is formed in communication with the condensate discharge unit 140, the structure of the condensate discharge unit 140 according to the present invention will be described in detail with reference to the drawings shown. do.

As shown in FIGS. 4 to 8, the condensate discharge unit 140 primarily includes a first condensate discharge port 141 that receives condensate water and discharges it to the outside, and is not accommodated in the first condensate discharge port 141. A second condensate discharge port 145 is formed to secondly receive the condensate and discharge it to the outside.

The condensate discharge unit 140 is formed at the lower coupling surface (b) side of the left and right cases (110a) and (110b) constituting the air conditioning case (110), but is based on the lower coupling surface (b). The left and right sides are divided into right and left cases 110a and 110b, respectively.

Here, the first condensate outlet 141 is formed in the right case 110b, and the second condensate outlet 145 is formed in the left case 110a. In addition, the condensate discharge unit 140 is connected to the hose (H) at the end as shown in Figure 4 is discharged from the air conditioning case 110 through the hose (H) to the outside of the vehicle.

In addition, as shown in Figure 8, the condensate discharge unit 140 is composed of a double discharge structure consisting of the first condensate outlet 141 and the second condensate outlet 145, which is a left, right case 110b ) Is for accommodating condensate that may leak vertically downward through the combined surfaces (a, b) coupled to the left side of the first condensate outlet 141 and the second condensate outlet 145 to implement this. The condensed water drops to the bottom surface of the right side case 110b and is discharged to the outside.

Therefore, the upper coupling surface (a) and the lower coupling surface (b) of the first condensate outlet 141 and the second condensate outlet 145 formed on the left case 110a and the right case 110b are alternately formed with each other. It is. By the way, according to the manufacturing situation may be formed based on this drawing, but is preferably formed so that the condensate is not leaked downward and is accommodated in the condensate discharge unit 140 and discharged to the outside.

Here, most of the condensate generated in the evaporator 101 is accommodated in the first condensate outlet 141 and discharged to the outside, and the second condensate outlet 145 is connected to the upper coupling surface (a) of the first condensate outlet 141. The condensate may be leaked, or may be formed to be accommodated by the second condensate outlet 145, which may sometimes flow toward the left case 110a.

The operation state of the air conditioner for a vehicle according to the present invention will be described with reference to the drawings.

First, the vehicle air conditioner 100 is operated to cause the blowing fan 121 of the blower unit 120 to rotate inside the scroll unit 111, and as the blower fan 121 rotates, the air inlet 131 or Through the outside air inlet 132, the inside or outside air is sucked into the intake duct 130.

Next, the air sucked into the intake duct 130 flows into the blowing fan 121 through the inlet ring 111a of the air conditioning case 110, and then the air is blown by the blowing fan 121. It is blown into the air conditioning case (110).

The air blown into the air conditioning case 110 flows along the internal flow path of the air conditioning case 110 to pass through the evaporator 101 according to the cooling and heating modes, and is heated by the temperature control door 114. By passing through or bypassing the core 102, it is changed to hot or cold and discharged into the vehicle interior through the air outlet of the air conditioning case 110.

At this time, as shown in FIGS. 3 to 8, as the air sucked into the air conditioning case 110 exchanges heat with the evaporator 101, condensed water is generated in the evaporator 101, and the air conditioning case 110 is left and right. The condensed water falls to the bottom surface of the right case 110b and the condensed water falling to the left case 110a is left as it is in the evaporator 101 located at the right case 110b. It flows down to the right case (110b) through the guide member 150 formed in the).

The condensate flowed down to the right case (110b) is accommodated in the discharge groove 155 along the inclined bottom surface of the right case (110b), the condensate contained in the discharge groove 155 and the first condensate outlet 141 and The condensed water is discharged to the first condensed water outlet 141 through the discharge groove 155 and is discharged to the outside of the vehicle through the hose H connected to the condensed water discharge unit 140.

Here, the condensed water not partially received by the first condensed water outlet 141 or flowed down to the left case 110a is secondly accommodated in the second condensed water outlet 145 and discharged to the outside through the hose H.

The present invention has been described above with reference to the embodiments illustrated in the drawings, which are merely illustrative, and those skilled in the art may understand that various modifications and equivalent other embodiments are possible. There will be. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

1 is a perspective view showing a semi-center type in a conventional vehicle air conditioner,

Figure 2 is a front view showing a state in which the upper case and the lower case of the conventional air conditioner for vehicles,

3 is a perspective view showing the vehicle air conditioner according to the present invention;

Figure 4 is an exploded perspective view showing a guide member and the discharge groove of the vehicle air conditioner according to the present invention,

5 is a perspective view showing a guide member and a discharge groove of the vehicle air conditioner according to the present invention;

Figure 6 is a side cross-sectional view showing a vehicle air conditioner according to the present invention,

7 is a front sectional view showing a vehicle air conditioner according to the present invention;

8 is a cross-sectional view showing a condensate discharge unit according to the present invention.

♣ Brief description of the main parts of the drawing ♣

100: air conditioner 101: evaporator

102: heater core 110: air conditioning case

110a: left case 110b: right case

111: scroll portion 111a: inlet ring

112a: defrost vent 112b: face vent

112c: Floor vent 113: Mode door

114: temperature control door 120: blower unit

121: blower fan 122: motor housing

123: motor 130: intake duct

131: inlet for inlet 132: inlet for inlet

135: internal and external air conversion door 140: condensate discharge portion

141: first condensate outlet 145: second condensate outlet

146: engaging jaw 150: guide member

155: discharge groove

Claims (4)

The air conditioner case 110 is configured to combine the left case 110a and the right case 110b, and is formed at the bottom of the air conditioning case 110 and is generated by the evaporator 101 installed inside the air conditioning case 110. In the vehicle air conditioner having a condensate discharge unit 140 for discharging the condensate to the outside, The guide member 150 is installed in one case of the air conditioning case 110 and guides the condensed water falling from the evaporator 101 to the other case outside the parting line of the air conditioning case 110. Vehicle air conditioner, characterized in that the discharge groove 155 is formed in the other case. The method of claim 1, The guide member 150 installed in one case is inclined at a predetermined angle in the direction of the other case, characterized in that the vehicle air conditioner. The method of claim 1, The condensate discharge unit 140, A first condensate discharge port 141 formed in one side of the air conditioning case 110 in which the discharge groove 155 is formed and receiving the condensate generated in the evaporator 101 and discharging the condensate to the outside; It is installed in the other case to face the first condensate outlet 141, and is not accommodated in the first condensate outlet 141, and rides on the lower coupling surface (b) in which the left and right cases 110b are in contact And a second condensate outlet (145) for accommodating the condensate that may leak and discharge the condensate to the outside. The method according to claim 1 or 3, Upper and lower engaging surfaces (a, b) of the left and right cases (110b), the condensate discharge portion 140 is formed are shifted, respectively, upper and lower engaging surfaces (a) of the left and right cases (110a, 110b) , b) is coupled to the condensate discharge unit 140, characterized in that discharged to the vehicle air conditioner.

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